Mining flame-proof LED illuminating lamp
By using the depth drawing process in mine lamps to make the cavity and weld it and mold it, combined with the cylindrical hinge structure, the problems of numerous processes and unstable quality in the casting process of existing mine lamps are solved, and high-quality and low-cost production is achieved.
Patent Information
- Application Number
- CN202323079129.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-15
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2033-11-15
AI Technical Summary
There are many processes in the casting process of existing mine lamps, which are difficult to accurately control, resulting in unstable casting quality and easy to produce defects such as shrinkage, shrinkage, and air holes.
The power cavity and light source cavity are made by a deep drawing process, and they are welded into one through a welding process. The back cover is fixed by a cylindrical hinge to ensure the stability and mechanical properties of the shell.
It avoids the occurrence of defects such as shrinkage, shrinkage, and air pores, improves the quality and mechanical properties of the castings, simplifies the production process, and is suitable for large-scale automated production.
Smart Images
Figure CN222559888U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a flameproof LED lighting lamp for mining, which is applied to underground coal mines with explosive gas mixtures of methane and coal dust, and is a lamp integrating welding and deep drawing processes for lighting places such as tunnels, chambers, and mining working faces. Background Art
[0002] With the continuous progress of science and technology, various production processes emerge in an endless stream. At present, the methods of casting explosion-proof housings used in explosion-proof lamps used in mines are basically pouring, injection, suction, etc., and there are many processes in the casting process, which are difficult to control accurately, resulting in unstable quality of castings, and internal defects such as shrinkage cavities, shrinkage porosity, and air holes. The mechanical properties are low, the labor intensity is high, and the conditions are poor. Utility Model Content
[0003] The invention aims to overcome the problem that the lamp housing has many steps in the casting process, is difficult to accurately control, has unstable casting quality, and is prone to internal defects such as shrinkage cavities, shrinkage porosity, and pores.
[0004] In order to achieve the above-mentioned purpose of the invention, the utility model provides a flameproof LED lighting lamp for mining, whose external main structure consists of a back cover, a power cavity, a light source cavity and a glass pressure plate, and is characterized in that the power cavity and the light source cavity are two cavities made by a deep drawing process, the upper surface of the light source cavity is welded to the lower surface of the power cavity by a welding process, the back cover is fixed above the power cavity by a cylindrical hinge, a back cover sealing ring is arranged between the back cover and the power cavity, a light source board and a reflector are fixed in sequence from top to bottom inside the light source cavity, the glass pressure plate fixes the glass to the lower surface of the reflector inside the light source cavity, a glass sealing ring is arranged between the glass pressure plate and the glass, a through-wall terminal, a wiring terminal and a flameproof drive are fixed inside the power cavity, the bracket is fixed to the outside of the power cavity by a crown tooth, and two cable introduction devices are welded to the same side of the outside of the power cavity.
[0005] The beneficial effects of the utility model are:
[0006] 1. The power cavity and light source cavity are made by deep drawing process, which not only meets the use requirements of the shell, avoids the generation of defects such as shrinkage holes, shrinkage, and air holes, but also can be produced in the simplest, most economical and most efficient way.
[0007] 2. The power cavity and the light source cavity are welded together through a welding process, which has a fast speed and small deformation. It can be carried out at room temperature or under special conditions. The welding equipment is simple and can also be welded by laser, which can be accurately positioned and applied to mass automated production.
[0008] 3. The cylindrical hinge structure is adopted, and the back cover and the power cavity will not be separated during disassembly, which is convenient for the installation and maintenance of the lamp. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 The utility model is a schematic diagram of the overall cross-sectional structure principle of the explosion-proof LED lighting lamp for mining.
[0010] Figure 2 The utility model is a schematic top view of the internal structure of the power cavity of the explosion-proof LED lighting lamp for mining.
[0011] Figure 3 This is an overall structural effect diagram of the explosion-proof LED lighting lamp for mining involved in the utility model.
[0012] In the figure: 1. Back cover, 2. Power cavity, 3. Light source cavity, 4. Glass pressure plate, 5. Reflector, 6. Light source board, 7. Glass, 8. Glass sealing ring, 9. Bracket, 10. Cylindrical hinge, 11. Through-wall terminal, 12. Wiring terminal, 13. Cable entry device, 14. Flameproof drive, 15. Crown gear, 16. Back cover sealing ring DETAILED DESCRIPTION
[0013] The technical solution of the utility model is further described below in conjunction with the accompanying drawings.
[0014] The utility model relates to a flameproof LED lighting lamp for mining, such as Figure 1 As shown, its external main structure consists of a back cover (1), a power cavity (2), a light source cavity (3) and a glass pressure plate (4), characterized in that the power cavity (2) and the light source cavity (3) are two cavities made by a deep drawing process, the upper surface of the light source cavity (3) is welded to the lower surface of the power cavity (2) by a welding process, the back cover (1) is fixed to the top of the power cavity (2) by a cylindrical hinge (10), a back cover sealing ring (16) is arranged between the back cover (1) and the power cavity (2), a light source board (6) and a reflector (5) are fixed in sequence from top to bottom inside the light source cavity (3), the glass pressure plate (4) fixes the glass (7) to the lower surface of the reflector (5) inside the light source cavity (3), and a glass sealing ring (8) is arranged between the glass pressure plate (4) and the glass (7). Figure 2 As shown, a through-wall terminal (11), a wiring terminal (12), and a flameproof drive (14) are fixed inside the power cavity (2), a bracket (9) is fixed to the outside of the power cavity (2) through a crown tooth (15), and two cable lead-in devices (13) are welded to the same side of the outside of the power cavity (2).
Claims
1. A flameproof LED lighting lamp for mining, wherein the main external structure is composed of a rear cover (1), a power cavity (2), a light source cavity (3) and a glass pressure plate (4), and ... The rear cover (1) is fixed to the top of the power cavity (2) via a cylindrical hinge (10); a rear cover sealing ring (16) is provided between the rear cover (1) and the power cavity (2); a light source board (6) and a reflector (5) are fixed in sequence from top to bottom inside the light source cavity (3); the glass pressing plate (4) fixes the glass (7) to the lower surface of the reflector (5) inside the light source cavity (3); and a glass sealing ring (8) is provided between the glass pressing plate (4) and the glass (7).
2. The explosion-proof LED lighting lamp for mining according to claim 1 is characterized in that The power cavity (2) and the light source cavity (3) are two cavities manufactured by a stretching process, and the upper surface of the light source cavity (3) is welded to the lower surface of the power cavity (2) by a welding process.
3. The explosion-proof LED lighting lamp for mining according to claim 1 is characterized in that A through-wall terminal (11), a wiring terminal (12), and a flameproof drive (14) are fixed inside the power cavity (2); the bracket (9) is fixed to the outside of the power cavity (2) via a crown tooth (15); and the cable introduction device (13) is welded to a position of the power cavity (2) opposite to the cylindrical hinge (10).