LED explosion-proof working lamp
By setting up water passages and integrated power chambers, light source chambers and wiring chambers in the LED explosion-proof working lights, the problems of water accumulation, light spots and poor heat dissipation are solved, and higher waterproof performance and heat dissipation are achieved, extending service life and improving lighting quality.
Patent Information
- Application Number
- CN202420700851.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-07
AI Technical Summary
Existing LED explosion-proof working lights are prone to water accumulation when it rains or snows, affecting normal work; light spots exist during lighting, affecting lighting quality; and poor heat dissipation effect, resulting in a shortened service life.
An LED explosion-proof working light is designed. By setting a water passage on the wiring cover, rainwater and snow water can flow directly into the wiring cavity and discharge it, improving waterproof performance; the power supply cavity, light source cavity and wiring cavity are integrated to simplify the production process and improve the heat dissipation effect; the power supply cavity is located on the circumference of the lamp main body for easy maintenance; the light source cavity and the power cavity are arranged staggered to reduce the working temperature.
It improves the waterproof performance and heat dissipation effect of LED explosion-proof working lights, extends the service life of the product, reduces light spots, and improves lighting quality.
Smart Images

Figure CN222669935U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lighting lamps, in particular to an LED explosion-proof working lamp. Background Art
[0002] LED explosion-proof work light is a lighting tool used in flammable and explosive working conditions, such as accident repair sites, tunnels, and coal mines.
[0003] The utility model patent with patent application number CN220303522U discloses an energy-saving, emission-reducing, low-carbon and environmentally friendly LED explosion-proof work lamp, including an explosion-proof lamp body, wherein the explosion-proof lamp body is integrally formed with a power supply cavity for installing a power supply, a light source cavity for installing an LED and a wiring cavity for connecting wires, the power supply cavity is externally connected to a power supply cover plate, the light source cavity is externally connected to a lampshade, the wiring cavity is externally connected to a wiring cover plate, the wiring cavity is connected to the power supply cavity, the power supply cavity is connected to the light source cavity, an external interface connected to the wiring cavity is provided on the explosion-proof lamp body, and the explosion-proof lamp body corresponds to a connection A drainage groove is provided at one end of the wire cavity, the power cavity and the wiring cavity are arranged on the left and right sides of the explosion-proof lamp body opposite to each other, the light source cavity is arranged below the explosion-proof lamp body, the external interface is arranged above the explosion-proof lamp body, the drainage groove is opened at one end of the explosion-proof lamp body away from the external interface, an explosion-proof cavity for wire connection is provided in the wiring cavity, a wiring terminal connected to the power cavity is provided in the explosion-proof cavity, an explosion-proof cover plate is detachably connected to the outside of the explosion-proof cavity, a wire entry hole connected to the explosion-proof cavity is opened on the explosion-proof cover plate, and the power cover plate, lampshade and wiring cover plate are all detachably connected to the explosion-proof lamp body through connecting bolts.
[0004] The above-mentioned LED explosion-proof work lights have the following shortcomings in the actual production process: 1. When it rains or snows in the use environment, water will flow into the explosion-proof lamp body from the external interface, and then flow into the explosion-proof cavity from the explosion-proof joint surface, causing water accumulation in the explosion-proof cavity, affecting the normal operation of the explosion-proof work lights and reducing their service life; 2. Light spots will appear during lighting, affecting the lighting quality; 3. Due to the structural limitations of the explosion-proof lamp body and the light source cavity, the heat dissipation effect is poor during lighting. Utility Model Content
[0005] The technical problem to be solved by the utility model is to provide an LED explosion-proof work lamp in view of the deficiencies of the above-mentioned prior art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LED explosion-proof work light, comprising an explosion-proof lamp body, wherein the explosion-proof lamp body is integrally formed with a power supply cavity for installing a power supply, a light source cavity for installing an LED, and a wiring cavity for connecting wires, the explosion-proof lamp body is provided with an external interface connected to the wiring cavity, the wiring cavity is provided with an explosion-proof cavity for connecting wires, the power supply cavity and the wiring cavity are arranged on the left and right sides of the explosion-proof lamp body opposite to each other, the light source cavity is arranged below the explosion-proof lamp body, and the external interface is arranged on the explosion-proof lamp body above the light source cavity, a lampshade is detachably connected to the outside of the wiring cavity, a wiring cover is detachably connected to the outside of the power cavity, a power supply cover is detachably connected to the outside of the power supply cavity, and an explosion-proof cover is detachably connected to the outside of the explosion-proof cavity, wherein: a water passage communicating with the external interface is provided in the wiring cavity, one end of the water passage is connected to the cavity wall of the wiring cavity, and the other end is suspended above the explosion-proof cover and extends toward the wiring cover until its end exceeds the explosion-proof cover, and a drainage gap is provided between the outer peripheral edge of the wiring cover at one end facing the light source cavity and the explosion-proof lamp body.
[0007] The utility model with the above-mentioned characteristics: by setting a water passage located above the wiring cover plate, rainwater, snow water and other moisture entering the explosion-proof lamp body can bypass the wiring cover plate and directly flow into the wiring cavity, and be discharged from the explosion-proof lamp body through the drainage gap, thereby improving the waterproof performance of the product; by setting an integrally formed explosion-proof lamp body, the power cavity, the light source cavity and the wiring cavity are integrated together, simplifying the production process and improving assembly efficiency; the power cavity is set on the side of the explosion-proof lamp body, and only the power cover plate needs to be removed for maintenance, which is convenient and quick; the light source cavity and the power cavity are staggered to avoid heat superposition, thereby reducing the working temperature and extending the service life of the product.
[0008] The utility model is further configured as follows: the explosion-proof lamp body comprises an integrally formed lamp holder and a wire holder, the power supply cavity, the wiring cavity and the explosion-proof cavity are all arranged in the wire holder, the light source cavity is arranged in the lamp holder, the external interface is located above the wire holder, the wire holder comprises a vertically arranged base surface, an annular power supply cavity wall located on one side of the base surface and an arc-shaped wall panel located on the other side of the base surface, the outer peripheral surface of the arc-shaped wall panel is connected to the external interface, and its two ends are suspended, and the arc-shaped wall panel and the base surface form a wiring cavity.
[0009] The utility model with the above-mentioned characteristics: by setting the cavity wall of the wiring cavity in the form of an arc-shaped wall plate rather than the annular structure of the power cavity, it can avoid water accumulation after entering the wiring cavity, facilitate the discharge of water from the drainage gap, and improve the drainage performance of the product.
[0010] A further arrangement of the utility model is: the light source cavity is arranged in the lamp holder, the lampshade includes a lampshade main body and a skirt arranged on its outer circumferential surface, the lamp holder is provided with a first annular mounting surface that abuts against the skirt, the lamp holder is provided with an annular connecting pressure ring detachably connected thereto, the lamp holder is provided with a second annular mounting surface that abuts against the connecting pressure ring, the second annular mounting surface is higher than the first annular mounting surface, and a space for skirt installation is formed therebetween, the end face of the connecting pressure ring abuts against the end face of the skirt, and the connecting pressure ring is sleeved outside the lamp holder main body.
[0011] The utility model with the above-mentioned characteristics: by setting a connecting ring to support the lampshade, and cooperating with the first annular mounting surface in the lamp holder to limit the movement of the lampshade, a detachable connection between the lampshade and the lamp holder is achieved; the lamp holder is set to be bowl-shaped, which on the one hand increases the area of the light source cavity and increases the heat dissipation effect, and on the other hand has a protective function for the lampshade placed thereunder, which can prevent rainwater, snow water and other moisture from entering the lampshade, and can also prevent impurities such as dust from entering the lampshade, thereby increasing the service life of the lampshade.
[0012] A further configuration of the utility model is that a plurality of connection ears are evenly distributed on the outer circumference of the connection pressing ring, a plurality of connection ear mounting surfaces are correspondingly arranged on the second annular mounting surface, and the connection pressing ring and the second annular mounting surface are detachably connected by fasteners.
[0013] The utility model with the above-mentioned features increases the contact area between the connecting pressure ring and the second annular mounting surface by providing the connecting ears, thereby improving the connection strength between the two.
[0014] A further configuration of the utility model is that: a plurality of evenly distributed reinforcing ribs are provided on the inner wall of the lamp holder, the reinforcing ribs are distributed around the axis of the connecting pressure ring, and the reinforcing ribs are located between the inner wall of the lamp holder and the second annular mounting surface.
[0015] The utility model with the above characteristics improves the strength of the lamp holder by arranging the reinforcing ribs.
[0016] A further configuration of the utility model is that: the explosion-proof cover plate is provided with an explosion-proof bonding surface which fits with the inner wall of the explosion-proof cavity and a locking surface which abuts against the end face of the explosion-proof cavity; a wiring terminal which is connected to the power supply cavity is provided in the explosion-proof cavity; a wire entry hole which is connected to the explosion-proof cavity is opened on the explosion-proof cover plate; an internal compression nut is connected to the inner thread of the wire entry hole.
[0017] The utility model with the above characteristics: the wiring terminals are connected with the power supply, so that the wiring terminals at the control unit can be explosion-proof through the explosion-proof cavity after a problem occurs, thereby improving safety and further improving waterproofness; by providing an internal compression nut, the cable is connected and then locked through the internal compression nut to close the wire entry hole, thereby improving explosion-proofness; and by providing an explosion-proof joint surface and a locking surface, the explosion-proofness is further improved.
[0018] A further configuration of the utility model is that at least three locking bolts are arranged around the power cover, the explosion-proof cover and the wiring cover; the power cover is detachably connected to the power cavity by the locking bolts, the explosion-proof cover is detachably connected to the explosion-proof cavity by the locking bolts, and the wiring cover is detachably connected to the wiring cavity by the locking bolts.
[0019] The utility model with the above-mentioned features increases the connection strength between each cover plate and the explosion-proof lamp body by arranging a plurality of locking bolts, thereby improving the explosion-proof performance.
[0020] The utility model is further configured as follows: the inner surface of the lampshade is provided with orange peel texture and a fluorescent powder layer in sequence from the inside to the outside, and the fluorescent powder layer is sprayed after mixing ST-8324 fluorescent white and a curing agent.
[0021] The utility model has the above characteristics: after the lampshade is treated with orange peel texture, fine concave and convex textures can be formed on its surface, and these textures can scatter light, making the light softer and more uniform after passing through the lampshade, reducing the dazzling feeling and reducing the generation of glare; ST-8324 fluorescent white is mainly composed of aluminum oxide and calcium carbonate, among which aluminum oxide has high reflective performance, and calcium carbonate particles are small and uniform and can evenly scatter light. Applying ST-8324 fluorescent white in the lampshade can improve the reflection effect of light in the lampshade, and disperse the direction of light to avoid light concentration in a specific area, reduce the formation of light spots, and increase the irradiation area and irradiation angle. The white coating can also reduce the transmittance of the lampshade, achieve better shading effect, make the light softer and more uniform, and make the product more beautiful.
[0022] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the structure of an LED explosion-proof work light according to an embodiment of the utility model.
[0024] Figure 2 This is a cross-sectional view of an LED explosion-proof work light according to an embodiment of the utility model.
[0025] Figure 3 The main structure of the explosion-proof LED work light is shown in FIG. Figure 1 .
[0026] Figure 4 The main structure of the explosion-proof LED work light is shown in FIG. Figure 2 .
[0027] Figure 5 This is an explosion diagram between the explosion-proof lamp body and the lampshade of the LED explosion-proof work lamp in the embodiment of the utility model.
[0028] Figure 6 The figure is a light schematic diagram of the LED explosion-proof work light according to the embodiment of the utility model.
[0029] Figure 7 This is a schematic diagram of the light of an LED explosion-proof work light when using an ordinary lampshade. DETAILED DESCRIPTION
[0030] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
[0031] like Figure 1-5 The LED explosion-proof work lamp b shown in the figure comprises an explosion-proof lamp body b1 made by the above-mentioned mold, wherein the explosion-proof lamp body b1 has a power cavity b11 for installing a power supply, a light source cavity b12 for installing an LED, and a wiring cavity b13 for connecting wires formed in one piece, the explosion-proof lamp body b1 is provided with an external interface b14 connected to the wiring cavity b13, an explosion-proof cavity b15 for connecting wires is provided in the wiring cavity b13, the power cavity b11 and the wiring cavity b13 are arranged on the left and right sides of the explosion-proof lamp body b1 oppositely, the light source cavity b12 is arranged below the explosion-proof lamp body b1, the external interface b14 is arranged above the explosion-proof lamp body b1, a lampshade b2 is detachably connected to the outside of the light source cavity b12, a wiring cover b3 is detachably connected to the outside of the wiring cavity b13, a power cover b4 is detachably connected to the outside of the power cavity b11, an explosion-proof cover b5 is detachably connected to the outside of the explosion-proof cavity b15, and an explosion-proof cavity b15 is provided with There is a wiring terminal b7 connected to the power cavity b11, the explosion-proof cover b5 is provided with a wire entry hole b51 connected to the explosion-proof cavity b15, the wire entry hole b51 is internally threaded with an internal compression nut b8, the power cover b4, the explosion-proof cover b5, and the wiring cover b3 are all surrounded by at least 3 locking bolts, the power cover b4 is detachably connected to the power cavity b11 through the locking bolts, and the explosion-proof cover b5 is detachably connected to the explosion-proof cavity b15 through the locking bolts. The wiring cover b3 is detachably connected to the wiring chamber b13 by locking bolts. A water passage b16 connected to the external interface is provided in the wiring chamber b13. One end of the water passage b16 is connected to the cavity wall of the wiring chamber b13, and the other end is suspended above the explosion-proof cover b5 and extends toward the wiring cover b3 until its end exceeds the explosion-proof cover b5. A drainage gap b17 is provided between the outer peripheral edge of the wiring cover b3 at one end facing the light source cavity b12 and the explosion-proof lamp body b1.
[0032] The explosion-proof lamp body b1 includes an integrally formed lamp holder b18 and a wire holder b19. The power cavity b11, the wiring cavity b13 and the explosion-proof cavity b15 are all arranged in the wire holder b19. The lamp holder b18 is bowl-shaped, and the light source cavity b12 is arranged in the lamp holder b18. The wire holder b19 includes a vertically arranged base surface b191, an annular power cavity wall b192 located on one side of the base surface b191, and an arc-shaped wall plate b193 located on the other side of the base surface b191. The outer peripheral surface of the arc-shaped wall plate b193 is connected to the external interface b14, and its two ends are suspended. The arc-shaped wall plate b193 and the base surface b191 form a wiring cavity b13. The lampshade b2 includes a lampshade body b21 and a skirt b22 arranged on its outer peripheral surface. A first annular mounting surface b181 is provided in the lamp holder b18 and abuts against the skirt b22. The lamp holder b18 is provided with an annular connecting pressure ring b6 detachably connected thereto, and the lamp holder b18 is provided with a second annular mounting surface b182 which abuts against the connecting pressure ring b6. The second annular mounting surface b182 is higher than the first annular mounting surface b181, and a space for installing the skirt b22 is formed between the two. The end face of the connecting pressure ring b6 abuts against the end face of the skirt b22, and the connecting pressure ring b6 is sleeved outside the lampshade body b21. A number of connecting ears b61 are evenly distributed on the outer periphery of the connecting pressure ring b6, and a number of connecting ear mounting surfaces b183 are correspondingly provided on the second annular mounting surface b182. The connecting pressure ring b6 and the second annular mounting surface b182 are detachably connected by fasteners, and the inner wall of the lamp holder b18 is provided with a number of evenly distributed reinforcing ribs b184, and the reinforcing ribs b184 are connected to the second annular mounting surface b182.
[0033] The inner surface of the lampshade b2 is provided with orange peel texture and fluorescent powder layer from the inside to the outside. The fluorescent powder layer is sprayed by a spray gun after mixing ST-8324 fluorescent white with a curing agent. The main components of the ST-8324 fluorescent white applied on the inner surface of the lampshade are aluminum oxide and calcium carbonate. Aluminum oxide has high reflective performance, which can improve the reflective effect of the lampshade, make the optical fiber more evenly irradiate the space, and enhance the visual effect. The aluminum oxide coating can disperse the direction of light and avoid the light from concentrating in a specific area, thereby reducing the formation of light spots; the calcium carbonate particles are small and uniform, which can evenly scatter the light, further enhance the softness and uniformity of the light, make the light more widely distributed inside the lampshade, and increase the irradiation area. Combined with the instructions attached Figure 6 , 7 It can be seen that after setting orange peel texture on the glass lampshade and spraying fluorescent powder, the irradiation area of light can be increased.
[0034] In actual use, when inspecting the power supply, you only need to loosen the bolts on the power supply end cover to remove the power supply end cover for easy maintenance and replacement; when inspecting the light source, you only need to loosen the fasteners on the connecting ring to remove the lampshade, which is convenient and quick.
Claims
1. An LED explosion-proof work lamp, comprising an explosion-proof lamp body, wherein the explosion-proof lamp body is integrally formed with a power supply cavity for installing a power supply, a light source cavity for installing an LED, and a wiring cavity for connecting wires, the explosion-proof lamp body is provided with an external interface connected to the wiring cavity, the wiring cavity is provided with an explosion-proof cavity for connecting wires, the power supply cavity and the wiring cavity are arranged on the left and right sides of the explosion-proof lamp body opposite to each other, the light source cavity is arranged below the explosion-proof lamp body, the external interface is arranged above the explosion-proof lamp body, a lampshade is detachably connected to the outside of the light source cavity, a wiring cover is detachably connected to the outside of the wiring cavity, a power supply cover is detachably connected to the outside of the power supply cavity, and an explosion-proof cover is detachably connected to the outside of the explosion-proof cavity, characterized in that: A water passage connected to the external interface is provided in the wiring cavity, one end of the water passage is connected to the cavity wall of the wiring cavity, and the other end is suspended above the explosion-proof cover plate and extends toward the wiring cover plate until its end exceeds the explosion-proof cover plate, and a drainage gap is provided between the outer peripheral edge of the wiring cover plate at one end facing the light source cavity and the explosion-proof lamp body.
2. The LED explosion-proof work light according to claim 1, characterized in that: The explosion-proof lamp body includes an integrally formed lamp holder and a wire holder, the power cavity, the wiring cavity and the explosion-proof cavity are all arranged in the wire holder, the light source cavity is arranged in the lamp holder, the external interface is located above the wire holder, the wire holder includes a vertically arranged base surface, an annular power cavity wall located on one side of the base surface and an arc-shaped wall panel located on the other side of the base surface, the outer peripheral surface of the arc-shaped wall panel is connected to the external interface, and its two ends are suspended, and the arc-shaped wall panel and the base surface form a wiring cavity.
3. The LED explosion-proof work light according to claim 2, characterized in that: The lamp holder is bowl-shaped, and the light source cavity is arranged in the lamp holder. The lampshade includes a lampshade main body and a skirt arranged on its outer circumferential surface. The lamp holder is provided with a first annular mounting surface that abuts against the skirt. The lamp holder is provided with an annular connecting pressure ring that is detachably connected to the lamp holder. The lamp holder is provided with a second annular mounting surface that abuts against the connecting pressure ring. The second annular mounting surface is higher than the first annular mounting surface. Space for skirt installation is formed between the two. The end face of the connecting pressure ring abuts against the end face of the skirt. The connecting pressure ring is sleeved outside the lampshade main body.
4. The LED explosion-proof work light according to claim 3, characterized in that: The outer circumference of the connecting pressing ring is evenly distributed with a plurality of connecting ears, and the second annular mounting surface is correspondingly provided with a plurality of connecting ear mounting surfaces, and the connecting pressing ring and the second annular mounting surface are detachably connected by fasteners.
5. The LED explosion-proof work light according to claim 3, characterized in that: The inner wall of the lamp holder is provided with a plurality of evenly distributed reinforcing ribs, the reinforcing ribs are distributed around the axis of the connecting pressing ring, and the reinforcing ribs are located between the inner wall of the lamp holder and the second annular mounting surface.
6. The LED explosion-proof work light according to claim 1, characterized in that: The explosion-proof cavity is provided with a connection terminal connected to the power cavity, the explosion-proof cover plate is provided with a wire entry hole connected to the explosion-proof cavity, and the wire entry hole is threadedly connected with an internal compression nut.
7. The LED explosion-proof work light according to claim 1, characterized in that: The power cover, explosion-proof cover and wiring cover are all surrounded by at least three locking bolts. The power cover is detachably connected to the power cavity by the locking bolts, the explosion-proof cover is detachably connected to the explosion-proof cavity by the locking bolts, and the wiring cover is detachably connected to the wiring cavity by the locking bolts.
8. An LED explosion-proof work light according to any one of claims 1 to 7, characterized in that: The inner surface of the lampshade is provided with orange peel texture and a fluorescent powder layer from the inside to the outside in sequence, and the fluorescent powder layer is sprayed after mixing ST-8324 fluorescent white and a curing agent.
Citation Information
Patent Citations
Energy-saving emission-reducing low-carbon environment-friendly LED explosion-proof working lamp
CN220303522U