Double-cavity independent heat dissipation die-casting integrated tunnel lamp

By using a dual-cavity independent heat dissipation structure and a suspended heat dissipation cavity design, the problems of heat accumulation and low installation efficiency of traditional tunnel lights are solved, achieving efficient heat dissipation and convenient installation.

CN224479601UActive Publication Date: 2026-07-10SHANGHAI GUANTUO SOLAR ENERGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI GUANTUO SOLAR ENERGY CO LTD
Filing Date
2025-09-26
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Traditional tunnel lighting fixtures suffer from problems such as heat accumulation, uneven heat dissipation, and low installation efficiency. In particular, the power supply is installed inside the lamp body, leading to poor heat dissipation and heat accumulation between the light source and the power supply.

Method used

It adopts a dual-cavity independent heat dissipation structure. The power supply is installed in an independent power supply mounting cavity. The suspended heat dissipation cavity realizes air convection. The PCB board is closely attached to the lamp body. The lens plate is detachably connected to the main body. The mounting bracket is convenient for fixing.

Benefits of technology

It achieves efficient heat dissipation, avoids heat accumulation, improves installation efficiency, and ensures the heat dissipation effect and ease of installation of the lamps.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224479601U_ABST
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Abstract

The utility model discloses a kind of die-casting integrated tunnel lamps of double-cavity independent heat dissipation, including lamp body, power supply, power supply cover plate, PCB board, lens plate, lamp body includes main part, power supply mounting portion being arranged on main part, the inside of power supply mounting portion has power supply mounting cavity, the bottom of power supply mounting cavity is equipped with wire-through power supply hole, it is equipped with suspended heat dissipation cavity between main part and power supply mounting portion, main part is equipped with main body hole;Power supply can be installed in power supply mounting cavity, power supply cover plate and power supply mounting portion are detachably connected;PCB board is installed at the bottom of main part, power supply is connected with PCB board by wire, wire passes through wire-through power supply hole and main body hole;Lens plate is installed at the outside of PCB board, lens plate and main part are detachably connected.The utility model uses double-cavity empty suspension independent heat dissipation structure, can realize efficient heat dissipation, heat dissipation effect is greatly promoted, and new structure lamp is assembled power supply, without inverting, installation efficiency is higher.
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Description

Technical Field

[0001] This utility model relates to the field of lighting fixtures technology, and in particular to a die-cast integrated tunnel luminaire with dual-cavity independent heat dissipation. Background Technology

[0002] Traditional tunnel lighting fixtures typically feature a separate power supply and lamp body design, or the power supply and its housing are located on top of the lamp body, protruding upwards. The power supply housing is integrally molded with the lamp body. A cavity is designed in the center of the bottom of the lamp body to house the power supply, which is located within the lamp body. A PCB board is then mounted on the bottom surface of the lamp body, connecting to the power supply. LED chips are mounted on the PCB board. This design presents several problems: First, because of the cavity at the bottom of the lamp body to house the power supply, the PCB board in that cavity cannot effectively adhere to the lamp body for heat dissipation, leading to heat problems. Second, the existing structure does not separate the power supply and light source, causing heat to accumulate between them. Third, the current structure requires the power supply to be installed upside down, affecting overall installation efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a die-cast integrated tunnel luminaire with dual-cavity independent heat dissipation, which aims to solve the technical problems of easy heat accumulation, uneven heat dissipation, poor heat dissipation effect and low installation efficiency in the prior art.

[0004] The technical solution of this utility model is: a die-cast integrated tunnel light fixture with dual-cavity independent heat dissipation, comprising a light body, a power supply, a power supply cover plate, a PCB board, and a lens plate. The light body includes a main body and a power supply mounting part located on the top of the main body. The power supply mounting part has a power supply mounting cavity inside, and a power supply hole is provided at the bottom of the power supply mounting cavity. A suspended heat dissipation cavity is provided between the main body and the power supply mounting part. A main body hole is provided on the main body. The power supply is installed in the power supply mounting cavity, and the power supply cover plate is detachably connected to the power supply mounting part. The PCB board is installed at the bottom of the main body, and the power supply is connected to the PCB board through a wire, which passes through the power supply hole and the main body hole. The lens plate is installed on the outside of the PCB board and is detachably connected to the main body.

[0005] Furthermore, in this utility model, the main body and the power supply mounting part are integrally formed.

[0006] Furthermore, in this utility model, the power mounting cavity is formed by the downward recess of the top surface of the power mounting part, the edge of the power mounting part is provided with a plurality of first connecting parts, and the power cover plate is provided with a plurality of second connecting parts corresponding one-to-one with each of the first connecting parts. The upper and lower corresponding first connecting parts and second connecting parts are connected and fixed by a first locking screw.

[0007] Furthermore, the suspended heat dissipation cavity described in this utility model has two cavities arranged side by side below the power supply mounting cavity, and the front and rear sides of each suspended heat dissipation cavity extend through the front and rear sides of the lamp body. The suspended heat dissipation cavity can achieve a good air convection effect.

[0008] Furthermore, the PCB board of this utility model includes a substrate, a central hole located at the center of the substrate, and a plurality of LED beads located on the bottom surface of the substrate. The wire passes through the central hole and connects to the bottom surface of the substrate.

[0009] Furthermore, in this utility model, the power supply hole and the main body hole, as well as the main body hole and the center hole, are arranged vertically in correspondence.

[0010] Furthermore, the lens plate in this utility model includes a fixing plate, and the fixing plate is provided with a plurality of protruding lenses corresponding one-to-one with each of the LED beads. The lenses cover the outside of the LED beads, and the edge of the fixing plate is connected and fixed to the main body by a plurality of second locking screws.

[0011] Furthermore, a sealing silicone strip is provided between the fixing plate and the main body in this utility model.

[0012] Furthermore, the left and right ends of the lamp body in this utility model are respectively provided with mounting brackets for installing and fixing the entire lamp.

[0013] Compared with the prior art, this utility model has the following advantages: The lamp of this utility model adopts a double-cavity suspended independent heat dissipation structure, which gives the optical cavity a complete and independent heat dissipation contact surface, and the PCB substrate can be completely attached to the lamp body, which can achieve efficient heat dissipation; at the same time, the independent power supply mounting cavity can not only dissipate heat better for the power supply, but also prevent the accumulation of heat in the light source and power supply, thus greatly improving the heat dissipation effect; in addition, the new structure lamp does not need to be inverted when assembling the power supply, which makes the installation more efficient. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a perspective view of the present invention from another angle;

[0016] Figure 3 This is a front view of the present invention;

[0017] Figure 4 This is a schematic diagram of the internal structure of the lamp body described in this utility model;

[0018] Figure 5 This is a schematic diagram showing the arrangement of the main body holes described in this utility model;

[0019] Figure 6 This is a schematic diagram of the specific structure of the PCB board described in this utility model;

[0020] Figure 7 This is a schematic diagram of the installation structure of the lens plate described in this utility model.

[0021] in:

[0022] 1. Lamp body; 101. Main body; 101a. Main body hole; 102. Power supply mounting part; 102a. Power supply mounting cavity; 102b. Power supply hole for wiring; 102c. First connecting part; 103. Suspended heat dissipation cavity;

[0023] 2. Power supply cover; 2a. Second connection part;

[0024] 3. PCB board; 301. Substrate; 302. Center hole; 303. LED beads;

[0025] 4. Lens plate; 401. Fixing plate; 402. Lens;

[0026] 5. First locking screw;

[0027] 6. Second locking screw;

[0028] 7. Install the bracket. Detailed Implementation

[0029] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0030] Example:

[0031] The accompanying drawings illustrate a specific embodiment of the die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation according to this utility model. Figure 1 , Figure 2 The lamp mainly includes a lamp body 1, a power supply, a power supply cover 2, a PCB board 3, and a lens board 4. The lamp body 1 serves as the carrier, the power supply is installed inside the lamp body 1 from the top, the power supply cover 2 is installed on the power supply, the PCB board 3 is installed against the bottom of the lamp body 1 and connected to the power supply, and the lens board 4 is installed on the outside of the PCB board 3.

[0032] Specifically, refer to Figure 3 , Figure 4The lamp body 1 includes a main body 101, and a power supply mounting part 102 is provided at the top center of the main body 101. The main body 101 and the power supply mounting part 102 are integrally formed.

[0033] The power supply mounting part 102 has a power supply mounting cavity 102a inside, which is formed by a downward indentation from the top surface of the power supply mounting part 102. The power supply is installed inside the power supply mounting cavity 102a. A power supply hole 102b is provided at the bottom of the power supply mounting cavity 102a for the power supply cable to pass through. The power supply mounting part 102 is square or rectangular. First connecting parts 102c are provided at each of the four corners of the power supply mounting part 102. The power supply cover plate 2 has four second connecting parts 2a corresponding to each of the first connecting parts 102c. The corresponding first connecting parts 102c and second connecting parts 2a are connected and fixed by first locking screws 5, thereby allowing the power supply cover plate 2 to be detachably connected to the power supply mounting part 102. The first connecting part 102c is a support with a threaded hole in the middle, and the second connecting part 2a is a support with a through hole in the middle. The first locking screw 5 passes through the second connecting part 2a and then into the first connecting part 102c for threaded locking connection.

[0034] Combination Figure 5 The main body 101 has a through hole 101a extending vertically, and a power supply hole 102b is provided vertically corresponding to the main body hole 101a. The power supply wire passes downward from the power supply hole 102b into the main body hole 101a and exits from the bottom of the main body 101 for easy connection to the PCB board 3.

[0035] Two suspended heat dissipation cavities 103 are also provided between the main body 101 and the power supply mounting part 102. The two suspended heat dissipation cavities 103 are arranged side by side below the power supply mounting cavity 102a. The front and rear sides of each suspended heat dissipation cavity 103 extend through the front and rear sides of the lamp body 1. The suspended heat dissipation cavity 103 with the above structure can achieve a good air convection effect, thereby achieving efficient heat dissipation.

[0036] PCB board 3 is installed at the bottom of the main body 101, combined with Figure 6 The PCB board 3 includes a substrate 301, the top surface of which is attached to the main body 101. A central hole 302 is provided at the center of the substrate 301, and a main body hole 101a is vertically aligned with the central hole 302. Wires passing through the main body hole 101a pass through the central hole 302 and then through the central hole 302 to the bottom surface of the substrate 301, where they are electrically connected. A plurality of LED beads 303 are provided on the bottom surface of the substrate 301.

[0037] Lens plate 4 is mounted on the outside of PCB board 3, combined with Figure 7The lens plate 4 includes a fixing plate 401, on which a plurality of protruding lenses 402 corresponding one-to-one with each LED bead 303 are provided, and the lenses 402 cover the outside of the LED bead 303. The edge of the fixing plate 401 is connected and fixed to the main body 101 by a plurality of spaced second locking screws 6, thereby realizing a detachable connection between the lens plate 4 and the main body 101. A sealing silicone strip is also provided between the fixing plate 401 and the main body 101.

[0038] In addition, the left and right ends of the lamp body 1 are respectively provided with mounting brackets 7 for installing and fixing the entire lamp. The mounting brackets 7 and the lamp body 1 are detachably connected by screws or other fasteners. The mounting brackets 7 are provided with mounting holes, and the entire lamp can be quickly installed through the mounting brackets 7.

[0039] The lamp of this utility model adopts a dual-cavity suspended independent heat dissipation structure, which gives the optical cavity a complete and independent heat dissipation contact surface. The PCB substrate can be completely attached to the lamp body, which can achieve efficient heat dissipation. At the same time, the independent power supply mounting cavity not only allows the power supply to dissipate heat better, but also prevents the accumulation of heat in the light source and power supply, thus greatly improving the heat dissipation effect. In addition, the new structure lamp does not need to be inverted when assembling the power supply, which makes the installation more efficient.

[0040] Of course, the above embodiments are only for illustrating the technical concept and features of this utility model, and their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be used to limit the protection scope of this utility model. All modifications made in accordance with the spirit and essence of the main technical solution of this utility model should be covered within the protection scope of this utility model.

Claims

1. A die-cast integrated tunnel luminaire with dual-cavity independent heat dissipation, characterized in that: The system includes a lamp body (1), a power supply, a power supply cover (2), a PCB board (3), and a lens board (4). The lamp body (1) includes a main body (101) and a power supply mounting part (102) located on the top of the main body (101). The power supply mounting part (102) has a power supply mounting cavity (102a) inside, and a power supply hole (102b) is provided at the bottom of the power supply mounting cavity (102a). A suspended heat dissipation cavity (103) is provided between the main body (101) and the power supply mounting part (102). The main body (101) is equipped with... The main body hole (101a) is installed in the power supply mounting cavity (102a), and the power supply cover (2) is detachably connected to the power supply mounting part (102); the PCB board (3) is installed at the bottom of the main body part (101), and the power supply is connected to the PCB board (3) through a wire, which passes through the power supply hole (102b) and the main body hole (101a); the lens plate (4) is installed on the outside of the PCB board (3), and the lens plate (4) is detachably connected to the main body part (101).

2. The die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 1, characterized in that: The main body (101) and the power supply mounting part (102) are integrally formed.

3. The die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 2, characterized in that: The power mounting cavity (102a) is formed by the downward recess of the top surface of the power mounting part (102). The edge of the power mounting part (102) is provided with a plurality of first connecting parts (102c). The power cover plate (2) is provided with a plurality of second connecting parts (2a) corresponding one-to-one with each of the first connecting parts (102c). The first connecting parts (102c) and the second connecting parts (2a) corresponding to each other are connected and fixed by a first locking screw (5).

4. The die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 2, characterized in that: The suspended heat dissipation cavity (103) has two and is arranged side by side below the power supply mounting cavity (102a). The front and rear sides of each suspended heat dissipation cavity (103) penetrate the front and rear sides of the lamp body (1).

5. The die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 1, characterized in that: The PCB board (3) includes a substrate (301), a central hole (302) located at the center of the substrate (301), and a plurality of LED beads (303) located on the bottom surface of the substrate (301). The wire passes through the central hole (302) and connects to the bottom surface of the substrate (301).

6. The die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 5, characterized in that: The power supply hole (102b) and the main body hole (101a), and the main body hole (101a) and the center hole (302) are respectively arranged vertically.

7. A die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 5, characterized in that: The lens plate (4) includes a fixing plate (401). The fixing plate (401) is provided with a plurality of protruding lenses (402) corresponding one-to-one with each of the LED beads (303). The lenses (402) cover the outside of the LED beads (303). The edge of the fixing plate (401) is connected and fixed to the main body (101) by a plurality of second locking screws (6).

8. A die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation as described in claim 7, characterized in that: A sealing silicone strip is provided between the fixing plate (401) and the main body (101).

9. A die-cast integrated tunnel lighting fixture with dual-cavity independent heat dissipation according to claim 1, characterized in that: The lamp body (1) is also provided with mounting brackets (7) at both the left and right ends for mounting and fixing the entire lamp.