CN220828774U

CN220828774U - Radiating outdoor street lamp cap

Info

Publication number: CN220828774U
Application number: CN202322819842.7U
Authority: CN
Inventors: 黄炳基; 黄志龙
Original assignee: Zhongshan Macao Srang Electronic Technology Co ltd
Current assignee: Zhongshan Macao Srang Electronic Technology Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-04-23
Anticipated expiration: 2033-10-19

Abstract

The utility model discloses a radiating outdoor street lamp cap which comprises a lamp shade, wherein an aluminum top cover is arranged on the top of the lamp shade, and a heat conducting coating is arranged on the outer surface of the aluminum top cover. The bottom of the lampshade is provided with a fixed base, the top of the fixed base is provided with a containing groove, the bottom of the fixed base is provided with a mounting pipe, a radiating hole communicated with the containing groove is arranged in the mounting pipe, and the containing groove is provided with a driving power supply. The lamp shade is internally provided with a spiral tube, the bottom end of the spiral tube is fixedly connected with the accommodating groove, the top end of the spiral tube is connected with a heat conducting nut, the aluminum top cover is connected with the heat conducting nut through a heat conducting bolt, the spiral tube is provided with a heat radiating plate, the bottom of the heat conducting nut is abutted with the top of the heat radiating plate, the top of the heat radiating plate is provided with a plurality of heat radiating fins, and the bottom of the heat radiating plate is provided with an LED lamp panel. The heat of the LED lamp panel is conducted to the heat radiating fins and the heat conducting nuts through the heat conducting bolts, the heat conducting coating of the aluminum top cover is conducted to the heat radiating plate, high air flow flows through the heat conducting coating of the aluminum top cover, heat of the aluminum top cover is taken away, and therefore heat of the LED lamp panel is conducted out, and damage of the LED lamp panel is avoided.

Description

Radiating outdoor street lamp cap

Technical Field

The utility model relates to the field of outdoor street lamp equipment, in particular to a radiating outdoor street lamp cap.

Background

Outdoor lights are commonly installed in roadways, landscapes, buildings, etc. to provide illumination. In order to achieve a better lighting effect, the outdoor lamp on the market generally uses a high-power LED lamp. The high-power LED lamp emits high heat when working, if the heat cannot be timely LED out or emitted, the lamp body is damaged, and the outdoor lamp is usually installed at high altitude, so that the maintenance is inconvenient once the lamp is damaged. To assist in heat dissipation from the LED lamp, the LED lamp of the outdoor lamp is typically mounted on a heat sink, and the heat sink distribution position of the outdoor lamp is typically disposed inside or outside the lamp housing, both of which have advantages. The first radiator is arranged outside the lampshade, the LED lamp is arranged in the lampshade, the radiating effect is good, the radiator can influence the appearance of the outdoor lamp, and the material of the radiator is limited by the outdoor environment. The second radiator and the LED lamp are arranged in the lampshade, so that the radiator cannot influence the appearance of the outdoor lamp, cannot be damaged by outdoor factors, and has the defect of poor radiating effect.

For example, chinese patent publication No. CN112483949 a discloses an intelligent dimmable olive-shaped outdoor street lamp holder, a radiator of which is arranged in a lamp shade, and a radiator fan is arranged on the radiator, so that heat on the auxiliary radiator is led out of the lamp shade, but the led-out heat in this way increases the power consumption of the outdoor street lamp holder, and does not conform to the present environment-friendly concept. In view of the above, the present utility model provides a heat dissipation outdoor street lamp cap to solve the above-mentioned problems.

Disclosure of utility model

The utility model overcomes the defects of the technology and provides the radiating outdoor street lamp cap.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The heat dissipation outdoor street lamp cap comprises a lamp shade, wherein an upper opening is formed in the top of the lamp shade, an aluminum top cover is covered at the upper opening, and a nano heat conduction coating is arranged on the outer surface of the aluminum top cover; the LED lamp comprises a lamp shade, and is characterized in that a lower opening is formed in the bottom of the lamp shade, a fixing base used for supporting the lamp shade is arranged below the lower opening, an accommodating groove is formed in the top of the fixing base, a mounting tube is arranged at the bottom of the fixing base, a radiating hole communicated with the accommodating groove is formed in the mounting tube, a driving power supply is arranged in the accommodating groove, a screw tube extending along the vertical direction is arranged in the lamp shade, the bottom end of the screw tube is fixedly connected with the accommodating groove, a heat conducting nut is connected with the top end of the screw tube through a heat conducting bolt, a heat radiating plate is arranged on the screw tube, the bottom of the heat conducting nut is in butt joint with the top of the heat radiating plate, a plurality of radiating fins are circumferentially arranged at the top of the heat radiating plate around the heat conducting nut, and an LED lamp panel is arranged at the bottom of the heat radiating plate.

Preferably, the heat conducting nut and the heat conducting bolt are made of copper, and the outer surfaces of the heat conducting nut and the heat conducting bolt are provided with nanometer heat conducting coatings.

Preferably, the top of the heat radiation fin and the top of the heat radiation plate are respectively provided with a nano heat conduction coating.

Preferably, the aluminum top cover is provided with a waterproof ventilation valve communicated with the lampshade.

Preferably, the one end that aluminium top cap was towards the lamp shade is equipped with the light source groove, install the light filling lamp plate towards the heating panel light-emitting in the light source groove, the light filling lamp plate is connected with the drive power supply electricity.

Preferably, the waterproof ventilation valve penetrates through the light source groove and the outside of the aluminum top cover, and the light supplementing lamp panel is located below the waterproof ventilation valve.

Preferably, the aluminum top cover is provided with a countersink, a screw rod of the heat conduction bolt is connected with the heat conduction nut through the countersink, the countersink of the heat conduction bolt is fixed in the countersink, a decorative cover is covered above the countersink, and a nano heat conduction coating is arranged on the outer surface of the decorative cover.

Preferably, the screw tube is made of a heat conducting material, the heat conducting nut is provided with a first threading hole, and the electric wire of the driving power supply extends into the screw tube from the bottom of the screw tube and is electrically connected with the LED lamp panel and the light supplementing lamp panel after extending out of the screw tube from the first threading hole.

Preferably, the fixing base is provided with a circle of first sealing groove around the containing groove, a first sealing ring clung to the outer side face of the containing groove is arranged in the first sealing groove, the lower opening is provided with a circle of first sealing edge, and the first sealing edge is clamped in a gap between the inner side face of the first sealing groove and the first sealing ring.

Preferably, the aluminum top cover is provided with a circle of second sealing groove around the light source groove, a second sealing ring clung to the outer side face of the light source groove is arranged in the second sealing groove, the upper opening part is provided with a circle of second sealing edge, and the second sealing edge is clamped in a gap between the inner side face of the second sealing groove and the second sealing ring.

The heat dissipation process of the outdoor street lamp cap is as follows: the heat generated by the operation of the driving power supply is conducted out of the heat dissipation holes. The heat generated by the working of the LED lamp panel is transferred to the radiating plate, and the heat of the radiating plate is transferred to the radiating fins and the heat conducting nut; the heat of the heat conducting nut is conducted to the heat conducting coating of the aluminum top cover through the heat conducting bolt, the heat of the heat radiating fins is conducted to the aluminum top cover through air, and the heat of the heat radiating fins can be directly emitted out of the outdoor street lamp cap through the waterproof ventilation valve; high air current flows through the heat conduction coating of the aluminum top cover, takes away the heat of the aluminum top cover, and finally realizes the heat export of the LED lamp panel. Heat generated by the operation of the light supplementing lamp panel is led out of the outdoor street lamp holder through the waterproof ventilation valve and the aluminum top cover.

Compared with the prior art, the utility model has the beneficial effects that:

1. The LED lamp panel is arranged at the bottom of the heat radiation plate, the heat radiation plate conducts heat generated by the working of the LED lamp panel to the heat radiation fins and the heat conduction nuts in a contact manner, and then the heat radiation nuts conduct heat to the heat conduction coating of the aluminum top cover through the heat conduction bolts, so that high air flow flows through the heat conduction coating of the aluminum top cover to take away heat of the aluminum top cover, heat of the LED lamp panel is conducted out in time, and damage to the LED lamp panel due to overhigh temperature is avoided. Compared with the heat dissipation by the heat dissipation plate and the heat dissipation fins, the heat dissipation efficiency is higher. And the fixed base is provided with a heat dissipation hole, so that heat generated during the working of the driving power supply can be led out, and the heat dissipation performance of the outdoor street lamp holder is further improved.

2. The heat conducting nut and the heat conducting bolt are made of copper and have excellent heat conductivity. The aluminum top cover not only has excellent heat conductivity, but also can prevent rust. The aluminum top cover, the heat conducting nut, the heat conducting bolt, the heat radiating fins and the heat radiating plate are all provided with nano heat conducting coatings, so that the heat radiation performance of the outdoor street lamp cap is further improved.

3. The aluminum top cover is provided with a light supplementing lamp panel for eliminating a dark area formed by shielding of the heat radiating plate and the heat radiating fins and improving the lighting effect of the street lamp cap. Heat generated by the operation of the light supplementing lamp panel is led out of the outdoor street lamp cap through the waterproof ventilation valve and the aluminum top cover, and damage to the light supplementing lamp panel caused by overhigh temperature is avoided. The conducting wire of the driving power supply is electrically connected with the LED lamp panel and the light supplementing lamp panel after passing through the spiral tube, and the spiral tube is made of a heat conducting material and can assist the conducting wire to dissipate heat.

4. A first sealing ring is arranged between the fixed base and the lampshade, and a second sealing ring is arranged between the aluminum top cover and the lampshade and used for preventing rainwater from entering the lamp cap. The utility model has both waterproofness and heat dissipation.

Drawings

FIG. 1 is a top view of a heat dissipating outdoor street lamp cap of the present utility model;

FIG. 2 is an overall schematic diagram of a heat dissipating outdoor street lamp cap of the present utility model;

FIG. 3 is a cross-sectional view of the A-A plane of FIG. 1;

FIG. 4 is an exploded view of a heat dissipating outdoor street lamp cap of the present utility model;

FIG. 5 is a schematic view of the structure of the fixing base of the present utility model;

fig. 6 is a schematic structural view of the aluminum top cover of the present utility model.

The implementation, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed Description

The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:

As shown in fig. 1 to 6, a heat dissipation outdoor street lamp cap includes a lamp housing 11. The top of the lampshade 11 is provided with an upper opening, an aluminum top cover 2 is covered at the upper opening, and a heat conducting coating is arranged on the outer surface of the aluminum top cover 2. The bottom of the lamp shade 11 is provided with a lower opening, and a fixed base 3 for supporting the lamp shade 11 is arranged below the lower opening. The unable adjustment base 3 top is equipped with accepting groove 31, and unable adjustment base 3 bottom is equipped with mounting tube 35, is equipped with the louvre 352 with accepting groove 31 intercommunication in the mounting tube 35, and accepting groove 31 is equipped with drive power supply 32, and drive power supply 32 work heat that produces is derived from louvre 352, avoids the too high circumstances of damaging of drive power supply 32 temperature.

As shown in fig. 5, the mounting tube 35 is for plugging with a lamp post such that the outdoor street lamp head is mounted on the lamp post. The mounting tube 35 has a second threading hole 351 communicating with the housing groove 31, and an output wire of the external power supply is electrically connected to the driving power supply 32 through the second threading hole 351.

As shown in fig. 3, a coil 6 extending along the vertical direction is arranged in the lamp shade 11, the bottom end of the coil 6 is fixedly connected with the accommodating groove 31, a heat conducting nut 61 is connected with the top end of the coil 6 in a threaded manner, the aluminum top cover 2 is connected with the heat conducting nut 61 through a heat conducting bolt 21, a heat radiating plate 4 is arranged on the coil 6, the bottom of the heat conducting nut 61 is abutted to the top of the heat radiating plate 4, an LED lamp panel 5 is arranged at the bottom of the heat radiating plate 4, a plurality of heat radiating fins 42 are arranged at the top of the heat radiating plate 4 around the circumference of the heat conducting nut 61, and the heat radiating area of the heat radiating plate 4 is increased.

The heat dissipation process of the LED lamp panel 5 is as follows: the heat generated by the operation of the LED lamp panel 5 is transferred to the heat dissipation plate 4, and the heat of the heat dissipation plate 4 is transferred to the heat dissipation fins 42 and the heat conduction nuts 61; the heat of the heat conducting nut 61 is conducted to the heat conducting coating of the aluminum top cover 2 through the heat conducting bolt 21, the heat of the heat radiating fins 42 is conducted to the aluminum top cover 2 through air, high air flow flows through the heat conducting coating of the aluminum top cover 2, the heat of the aluminum top cover 2 is taken away, and finally the heat conduction of the LED lamp panel 5 is realized. Compared with the heat dissipation by the heat dissipation plate 4 and the heat dissipation fins 42, the heat dissipation efficiency is higher, and the LED lamp panel 5 with high power can be adapted.

Specifically, the heat conductive nut 61 and the heat conductive bolt 21 are made of copper, and have excellent heat conductivity. The aluminum top cover 2 has excellent heat conductivity and can prevent rust. The aluminum top cover 2, the heat conducting nut 61, the heat conducting bolt 21, the heat radiating fins 42 and the heat radiating plate 4 are all provided with nano heat conducting coatings, so that the heat radiation performance of the outdoor street lamp cap is further improved.

As shown in fig. 1 and 4, the aluminum top cover 2 is provided with a plurality of waterproof and ventilation valves 27. The one end that aluminium top cap 2 was equipped with light source groove 26 towards lamp shade 11, installs light filling lamp plate 25 in the light source groove 26, and light filling lamp plate 25 goes out light towards heating panel 4, eliminates the dark space that is sheltered from by heating panel 4, heat radiation fins 42 and forms, improves the illuminating effect of street lamp holder.

In the present utility model, the LED lamp panel 5 is a monochromatic light source, and the light-compensating lamp panel 25 is a color light source controlled by RGB.

The waterproof ventilation valve 27 penetrates through the light source groove 26 and the outside of the aluminum top cover 2, and the light supplementing lamp panel 25 is located below the waterproof ventilation valve 27. The heat that the work of light filling lamp plate 25 produced is led out outdoor street lamp holder through waterproof ventilation valve 27 and aluminium top cap 2, avoids the high temperature to cause the damage to light filling lamp plate 25. The heat of the radiating fins 42 can also be directly radiated out of the outdoor street lamp holder through the waterproof ventilation valve 27, so that the heat radiation performance of the outdoor street lamp holder is further improved.

The lampshade 11 is spherical, and the aluminum top cover 2 is of a cambered surface structure and is matched with the shape of the lampshade 11. The aluminum top cover 2 covers the upper opening, so that the outdoor street lamp cap is spherical.

The aluminum top cover 2 is provided with a counter bore 22, a screw rod of the heat conduction bolt 21 is connected with the heat conduction nut 61 through the counter bore 22, the counter bore of the heat conduction bolt 21 is fixed in the counter bore 22, and a decorative cover 23 is covered above the counter bore 22 and used for preventing rainwater from entering the outdoor street lamp holder from the counter bore 22. The outer surface of the decorative cover 23 is provided with a heat conducting coating to assist the heat dissipation of the heat conducting bolt 21.

The heat conducting nut 61 is provided with a first threading hole 611, and a conductive wire of the driving power supply 32 extends into the coil 6 from the bottom of the coil 6, and extends out of the coil 6 from the first threading hole 611 to be electrically connected with the LED lamp panel 5 and the light supplementing lamp panel 25. The screw 6 can fix and protect the conductive wire of the driving power supply 32, and can be used for connecting the fixed base 3, the heat dissipation plate 4 and the aluminum top cover 2, so that the practicability is high. And the coil 6 is made of a heat conducting material, so that heat dissipation of the electric wire can be assisted. As shown in fig. 4, the center of the heat dissipation plate 4 is provided with a flange threaded hole 41, and the heat dissipation plate 4 is in threaded connection with the coil 6 through the flange threaded hole 41, so that the heat dissipation plate 4 is fixedly mounted on the coil 6. The LED lamp panel 5 is provided with a central through hole for the passage of the screw 6. An integrated polarized lens 7 is arranged below the LED lamp panel 5, and the integrated polarized lens 7, the LED lamp panel 5 and the heat dissipation plate 4 are fixedly connected through screws.

The reflection cup 8 is arranged below the integrated polarized lens 7, the lamplight of the LED lamp panel 5 can be deflected through the integrated polarized lens 7, and the reflection cup 8 reflects the lamplight upwards, so that the lamplight irradiates to the outer side of the lampshade 11, and the illumination efficiency is improved.

A plurality of support columns 33 are arranged in the accommodating groove 31, the support columns 33 are arranged around the driving power supply 32, the support columns 33 and the fixed base 3 are integrally formed, the top of each support column 33 is connected with a support plate 34, the support plates 34 are fixedly connected with fixing nuts (not shown in the drawing), and the bottoms of the spiral tubes 6 are in threaded connection with the fixing nuts, so that the spiral tubes 6 are fixedly connected with the fixed base 3.

The outside of the solenoid 6 is sleeved with a decorative outer tube 62, and the integrated polarized lens 7 is provided with a tube joint 71 integrally formed with the integrated polarized lens 7. The bottom of the decorative outer tube 62 is propped against the supporting plate 34, the top of the decorative outer tube 62 is clamped with the pipe joint 71, the connecting area of the decorative outer tube 62 and the integrated polarized lens 7 is large, the connection is stable, and the supporting frame supports the integrated polarized lens 7 through the decorative outer tube 62, so that the damage caused by overlarge bearing of the screw 6 is avoided.

The reflecting cup 8 is of a conical structure, and a connecting hole matched with the decorative outer tube 62 is formed in the top of the reflecting cup 8. The reflecting cup 8 is covered on the supporting plate 34, the bottom end of the decorative outer tube 62 is propped against the supporting plate 34 after passing through the connecting hole, and the decorative outer tube 62 is clamped with the connecting hole.

The fixed base 3 is provided with a circle of first sealing groove 36 around the containing groove 31, a first sealing ring (not shown in the drawing) which is clung to the outer side surface of the containing groove 31 is arranged in the first sealing groove 36, a circle of first sealing edge 12 is arranged at the lower opening, the first sealing edge 12 is clamped in a gap between the inner side surface of the first sealing groove 36 and the first sealing ring, and rainwater is prevented from entering the lamp holder.

The aluminum top cover 2 is provided with a circle of second sealing groove 24 around the light source groove 26, a second sealing ring (not shown in the drawing) which is clung to the outer side surface of the light source groove 26 is arranged in the second sealing groove 24, a circle of second sealing edge 13 is arranged at the upper opening, the second sealing edge 13 is clamped in a gap between the inner side surface of the second sealing groove 24 and the second sealing ring, and rainwater is prevented from entering the lamp holder.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims

1. The heat dissipation outdoor street lamp cap is characterized by comprising a lamp shade (11), wherein an upper opening is formed in the top of the lamp shade (11), an aluminum top cover (2) is covered at the upper opening, and a nano heat conduction coating is arranged on the outer surface of the aluminum top cover (2); the LED lamp is characterized in that a lower opening is formed in the bottom of the lamp shade (11), a fixing base (3) used for supporting the lamp shade (11) is arranged below the lower opening, an accommodating groove (31) is formed in the top of the fixing base (3), an installation tube (35) is arranged at the bottom of the fixing base (3), a radiating hole (352) communicated with the accommodating groove (31) is formed in the installation tube (35), a driving power supply (32) is arranged in the accommodating groove (31), a spiral tube (6) extending along the vertical direction is arranged in the lamp shade (11), the bottom end of the spiral tube (6) is fixedly connected with the accommodating groove (31), a heat conducting nut (61) is connected to the top end of the spiral tube (6), a radiating plate (4) is arranged on the spiral tube (6) through a heat conducting bolt (21), the bottom of the heat conducting nut (61) is in butt with the top of the radiating plate (4), a plurality of fins (42) are arranged on the top of the radiating plate (4) around the heat conducting nut (61), and an LED lamp (5) is installed at the bottom of the radiating plate (4).

2. The outdoor street lamp cap according to claim 1, wherein the heat conducting nut (61) and the heat conducting bolt (21) are made of copper, and the outer surfaces of the heat conducting nut (61) and the heat conducting bolt (21) are provided with nanometer heat conducting coatings.

3. The outdoor street lamp head according to claim 1, wherein the top of the heat dissipation fins (42) and the top of the heat dissipation plate (4) are provided with nano heat conduction coatings.

4. A heat dissipating outdoor street lamp head as defined in claim 1, characterized in that the aluminum top cover (2) is provided with a waterproof ventilation valve (27) in communication with the lamp shade (11).

5. The outdoor street lamp cap according to claim 4, wherein a light source groove (26) is formed in one end, facing the lamp shade (11), of the aluminum top cover (2), a light supplementing lamp plate (25) for supplementing light to the heat dissipation plate (4) is installed in the light source groove (26), and the light supplementing lamp plate (25) is electrically connected with the driving power supply (32).

6. The outdoor street lamp head with heat dissipation according to claim 5, wherein the waterproof ventilation valve (27) is arranged outside the light source groove (26) and the aluminum top cover (2) in a penetrating mode, and the light supplementing lamp panel (25) is arranged below the waterproof ventilation valve (27).

7. The heat dissipation outdoor street lamp holder according to claim 1, wherein the aluminum top cover (2) is provided with a countersunk hole (22), a screw rod of the heat conduction bolt (21) is connected with a heat conduction nut (61) through the countersunk hole (22), a countersunk head of the heat conduction bolt (21) is fixed in the countersunk hole (22), a decorative cover (23) is covered above the countersunk hole (22), and a nano heat conduction coating is arranged on the outer surface of the decorative cover (23).

8. The outdoor street lamp head according to claim 5, wherein the screw tube (6) is made of a heat conducting material, the heat conducting nut (61) is provided with a first threading hole (611), and the conductive wire of the driving power supply (32) extends into the screw tube (6) from the bottom of the screw tube (6) and is electrically connected with the LED lamp panel (5) and the light supplementing lamp panel (25) after extending out of the screw tube (6) from the first threading hole (611).

9. The outdoor street lamp holder according to claim 1, wherein the fixing base is provided with a circle of first sealing groove (36) around the containing groove (31), a first sealing ring clung to the outer side surface of the containing groove (31) is arranged in the first sealing groove (36), a circle of first sealing edge (12) is arranged at the lower opening, and the first sealing edge (12) is clamped in a gap between the inner side surface of the first sealing groove (36) and the first sealing ring.

10. The outdoor street lamp holder of claim 5, wherein the aluminum top cover (2) is provided with a circle of second sealing groove (24) around the light source groove (26), a second sealing ring which is tightly attached to the outer side surface of the light source groove (26) is arranged in the second sealing groove (24), the upper opening is provided with a circle of second sealing edge (13), and the second sealing edge (13) is clamped in a gap between the inner side surface of the second sealing groove (24) and the second sealing ring.