Energy-saving double-head searchlight for ship

Abstract

This invention discloses an energy-saving marine dual-head searchlight, specifically relating to the field of searchlight technology. It includes a base with two sets of searchlight components mounted on it. Each searchlight component includes a protective cylinder mounted on top of the base. One end of the protective cylinder has a first constraint ring, and one side of the first constraint ring has an elastic support rib. The elastic support rib is a helical frustum-shaped rib that extends spirally along the axial direction of the protective cylinder at a predetermined interval. The extension and compression of the elastic support rib allows for adjustment of its area and shape. This invention uses a first motor to drive a gear and rack transmission, causing the elastic support rib to extend and retract, thereby achieving the convergence or divergence of the light strip and the reflector plate. This allows for precise switching of light intensity and illumination range at the same power. In the converged state, the beam energy is concentrated, the light intensity is significantly improved, and the light's ability to penetrate fog and water vapor is enhanced, enabling precise illumination of distant targets and meeting the needs of long-distance detection.

Description

Technical Field

[0001] This invention relates to the field of searchlight technology, and more specifically, to an energy-saving marine dual-head searchlight. Background Technology

[0002] When ships navigate in the marine environment, lighting devices are one of the core equipment to ensure navigation safety and operational efficiency. Among them, searchlights are key components for long-distance lighting and target detection, and their performance directly affects the navigation safety and operational feasibility of ships in low-visibility scenarios such as night, fog, and heavy rain.

[0003] Existing marine searchlights mostly employ a single spotlight structure, lacking flexibility in beam adjustment. They cannot precisely match light intensity and illumination range under the same power conditions, resulting in high energy consumption. When ships need to detect navigation marks, reefs, or other vessels at long distances, existing searchlights suffer from diffused beams, low energy density, and weak penetration through fog and water vapor, making it difficult to form a directional, strong beam. Conversely, in close-range scenarios such as deck work, equipment maintenance, or emergency rescue, the narrow illumination range necessitates additional floodlights, increasing the ship's equipment, energy costs, and maintenance burden. Furthermore, their adaptability to harsh environments is limited. Some searchlights have loose internal support structures, making them prone to misalignment of LEDs and optical components when encountering strong winds and waves, affecting illumination stability. Simultaneously, the salt spray and humidity of the marine environment place higher demands on the searchlights' corrosion and waterproof performance. Due to structural design flaws, some existing products are prone to component corrosion and short circuits after prolonged use, reducing their lifespan and reliability. The limited functionality of existing marine searchlights makes it difficult to meet the diverse operational needs of ships, such as the rapid switching between long-range precision detection and short-range wide-area illumination, as well as multi-directional angle adjustment. This restricts the operational flexibility and emergency response capabilities of ships in complex marine environments. Furthermore, to accommodate lighting needs at different distances, existing marine searchlights often require multiple sets of lights, including high beams and floodlights, resulting in a high total power consumption for the entire ship's lighting system and significant energy waste. This contradicts the development trend of green ships and energy-efficient lighting equipment. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides an energy-saving marine dual-head searchlight, which aims to solve the problems mentioned in the background art.

[0005] The present invention provides the following technical solution: an energy-saving marine dual-head searchlight, including a base, on which two sets of searchlight components are provided; The detection assembly includes a protective cylinder disposed on the top of the base. One end of the protective cylinder is provided with a first constraint ring, and one side of the first constraint ring is provided with an elastic support rib. The elastic support rib is a spiral frustum shape and extends spirally along the axial direction of the protective cylinder at a specified interval. Through the extension and compression of the elastic support rib, the area and shape of the elastic support rib can be adjusted. A light strip is provided on the outer side of the elastic support rib. The light strip is arranged along the spiral extension direction of the elastic support rib. A number of LED beads are provided on the elastic support rib. A number of refraction plates are provided on the light strip. Each refraction plate is located on one side of a corresponding LED bead. The light strip is synchronously displaced by the extension and compression of the elastic support rib, so that the refraction plates converge and disperse to adjust the illumination position and angle emitted by the LED beads.

[0006] Optionally, in one possible implementation, a traction plate is provided at the end of the elastic support rib away from the first constraint ring, a second constraint ring is provided on the outer side of the traction plate, one end of the elastic support rib is wrapped around the second constraint ring, a support plate is provided inside the protective cylinder, a slide is fixedly provided on the support plate, a toothed rod is slidably connected inside the slide, a top rod is provided at one end of the toothed rod, and one end of the top rod extends to the traction plate. The traction plate is displaced along the guide displacement of the slide via the toothed rod and the top rod, so that the elastic support rib extends and is compressed.

[0007] Optionally, in one possible implementation, a support rod is fixedly provided at one end of the support plate. The support rod is located in the middle of the first constraint ring and is detachably connected to the first constraint ring by bolts. A first motor is provided on one side of the slide block. A gear is provided at the output end of the first motor. The gear is located on one side of the rack and meshes with the rack. An inner liner is provided on the inner wall of the protective cylinder. The inner liner covers the outside of the support plate and is welded to the support plate. A support base is provided at the bottom of the protective cylinder. The support base is installed on the base by bolts. A vertical rod is provided on the support base. A second motor is provided at the top of the vertical rod, and the output end of the second motor extends to the protective cylinder.

[0008] The technical effects and advantages of this invention are as follows: 1. This invention uses a first motor to drive a gear and rack transmission, which in turn causes the elastic support ribs to extend and retract, thereby enabling the light strip and the refraction plate to converge or diverge, achieving precise switching of light intensity and illumination range under the same power. In the converged state, the beam energy is concentrated, the light intensity is significantly improved, and the light's ability to penetrate fog and water vapor is enhanced, allowing for precise illumination of distant targets and meeting the needs of long-distance detection; 2. In its diffused state, this invention forms a large fan-shaped illumination surface, providing wide and uniform lighting coverage without noticeable light spots or glare, making it suitable for close-range scenarios such as deck operations, equipment maintenance, and emergency rescue. It eliminates the need for multiple additional lighting devices, reducing ship equipment costs and space requirements, and improving lighting resource utilization. Furthermore, the absence of a separate floodlight system reduces the overall power consumption of ship lighting, significantly extending the ship's lighting endurance during solo navigation or emergency situations, making the searchlight more energy-efficient in use. 3. The base of this invention is equipped with two sets of independently controllable detection components, which can operate synchronously or independently. Together with a second motor driving the protective cylinder to rotate horizontally, they enable multi-directional and multi-angle lighting adjustment, significantly expanding the lighting coverage. For long-distance detection, the two sets of components can simultaneously converge to form dual strong beams, further enhancing light penetration and detection distance. For close-range operations, they can be adjusted to diffused states to achieve comprehensive coverage without blind spots. Simultaneously, the directional beam in the converged state avoids strong light interference with the visibility of surrounding vessels, complying with maritime navigation lighting regulations and effectively improving the safety and reliability of vessels during nighttime navigation, operations, and emergency response. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments will be briefly described below. Obviously, the drawings described below are only drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.

[0010] Figure 1 This is a front view of the overall structure of the present invention.

[0011] Figure 2 This is a side view of the detection component of the present invention.

[0012] Figure 3 This is a schematic diagram of the support plate, first motor, rack, traction plate, support rod, elastic support ribs and LED beads of the present invention.

[0013] Figure 4 For the present invention Figure 3 Side view.

[0014] Figure 5 This is a schematic diagram of the elastic support ribs, LED beads, and traction plate of the present invention.

[0015] Figure 6 This is a schematic diagram of the support plate, slide, rack, push rod, support rod, first motor, and gear of the present invention.

[0016] Figure 7 This is a schematic diagram of the constraint ring, light strip, refraction plate, traction plate, elastic support ribs, and constraint ring of the present invention.

[0017] Figure 8 This is a schematic diagram of the protective cylinder, inner liner frame, support base, vertical rod, and second motor of the present invention.

[0018] The attached diagram is labeled as follows: 1. Base; 2. Protective cylinder; 3. First constraint ring; 4. Elastic support rib; 5. Light strip; 6. Lamp bead; 7. Reflector plate; 8. Traction plate; 9. Support plate; 10. Slide seat; 11. Gear; 12. Top rod; 13. Support rod; 14. First motor; 15. Gear; 16. Inner liner frame; 17. Support seat; 18. Vertical rod; 19. Second motor; 20. Second constraint ring. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] Example 1 This embodiment discloses an energy-saving marine dual-head searchlight, which aims to solve the technical problems in the prior art where marine searchlights are mostly single spotlights, unable to achieve light intensity and range adjustment at the same power, and have low light penetration performance.

[0021] Specifically, the energy-saving marine dual-head searchlight of this embodiment includes a base 1, which can be made of 304 stainless steel, possessing good corrosion resistance and adapting to salt spray corrosion in marine environments. Two sets of identical searchlight components are symmetrically mounted on the base 1 via bolts. The two sets of searchlight components can work independently or operate synchronously, further enhancing lighting flexibility.

[0022] like Figure 2 , Figure 3 and Figure 7 As shown, the illumination assembly includes a protective cylinder 2 mounted on top of the base 1. The protective cylinder 2 is a cylindrical hollow structure, integrally formed from high-strength aluminum alloy. Its outer wall is anodized, which not only reduces the overall weight but also enhances its impact resistance and corrosion resistance. A first constraint ring 3 is welded to one end of the protective cylinder 2. The first constraint ring 3 is an annular structure with an installation groove on its outer side that matches the elastic support rib 4. The elastic support rib 4 is provided on the first constraint ring 3. The elastic support rib 4 is made of alloy material and has excellent elastic deformation capability and fatigue resistance. It is a helical frustum-shaped structure that extends spirally along the axial direction of the protective cylinder 2 at a specified interval. The elastic expansion and contraction of the elastic support rib 4 allows for adjustment of its area and shape, thus providing a basis for illumination adjustment.

[0023] like Figure 5 , Figure 7 As shown, a light strip 5 is fixed to the outer side of the elastic support rib 4 with a high-temperature resistant adhesive. The light strip 5 is arranged along the spiral extension direction of the elastic support rib 4 and integrates a power supply circuit inside, which can achieve a stable power supply to the LED beads 6. Several LED beads 6 are evenly arranged on the elastic support rib 4. The LED beads 6 are high-power LED beads, which have the characteristics of high luminous efficiency, low energy consumption, and long service life. The light emission angle of the LED beads 6 can be preset according to actual needs. Several refractive plates 7 are arranged on the light strip 5 corresponding to the positions of the LED beads 6. The refractive plates 7 are made of high light transmittance optical glass, and their surfaces are optically treated. Each refractive plate 7 is located on one side of the corresponding LED bead 6. When the elastic support rib 4 extends or compresses, it will drive the light strip 5 to move synchronously, thereby causing the refractive plates 7 to converge or disperse. By changing the relative position of the refractive plates 7, the refraction angle of the light emitted by the LED beads 6 can be adjusted, ultimately achieving the purpose of adjusting the illumination position and angle.

[0024] Example 2 Based on Example 1, this embodiment, for example Figure 3 , Figure 5 , Figure 7 As shown, a traction plate 8 is welded and fixed to the end of the elastic support rib 4 away from the first constraint ring 3. The traction plate 8 is a circular metal plate with a diameter that matches the inner diameter of the first constraint ring 3. A second constraint ring 20 is welded and fixed to the outer side of the traction plate 8. The structure of the second constraint ring 20 is the same as that of the first constraint ring 3. One end of the elastic support rib 4 is wrapped around and fixed to the second constraint ring 20. The second constraint ring 20 can effectively fix the end of the elastic support rib 4, preventing it from shifting or falling off during adjustment.

[0025] like Figure 3 , Figure 6 As shown, a support plate 9, made of high-strength alloy steel, is installed inside the protective cylinder 2, possessing sufficient mechanical strength to support related components. A slide block 10 is bolted to the support plate 9. The slide block 10 has a sliding groove inside that matches the rack 11. The inner wall of the sliding groove is coated with a wear-resistant layer to reduce friction during rack 11 sliding and improve the smoothness of adjustment. The rack 11 is slidably connected inside the slide block 10. The surface of the rack 11 has evenly distributed teeth, and it is made of high-quality alloy steel and has undergone quenching treatment to enhance wear resistance and structural strength.

[0026] like Figure 3 , Figure 6As shown, a push rod 12 is provided at one end of the rack 11. One end of the push rod 12 extends to the traction plate 8 and is connected by a ball joint. The ball joint connection ensures that the push rod 12 can adapt to the angle change of the traction plate 8 when pulling the traction plate 8, avoiding stress concentration. Through the guide displacement of the rack 11 and the push rod 12 along the slide block 10, the traction plate 8 can be stably pulled to move axially along the protective cylinder 2, thereby realizing the extension and compression of the elastic support rib 4.

[0027] like Figure 3 , Figure 6 As shown, a support rod 13 is welded and fixed to one end of the support plate 9. The support rod 13 is a cylindrical metal rod, which is located in the middle of the first constraint ring 3 and is detachably connected to the first constraint ring 3 by bolts. The support rod 13 can further support and fix the first constraint ring 3, thereby improving the stability of the overall structure.

[0028] like Figure 3 , Figure 4 , Figure 6 As shown, a first motor 14 is bolted to one side of the slide block 10. The first motor 14 is a servo motor, characterized by high control precision and fast response speed. Its output end is connected to a gear 15 via a coupling. The gear 15 is located on one side of the rack 11 and meshes with the rack 11. By rotating the first motor 14 in both directions, the gear 15 can be driven to rotate, thereby driving the rack 11 to slide back and forth along the sliding groove of the slide block 10, thus achieving precise control over the expansion and contraction of the elastic support rib 4.

[0029] like Figure 8 As shown, an inner liner 16 is welded and fixed to the inner wall of the protective cylinder 2. The inner liner 16 is a cylindrical frame structure made of stainless steel. The inner liner 16 covers the outside of the support plate 9 and is welded and fixed to the support plate 9. like Figure 1 , Figure 8 As shown, a support base 17 is provided at the bottom of the protective cylinder 2. The support base 17 is bolted to the base 1, and a waterproof washer is provided at the bolt connection to improve waterproof performance. A vertical rod 18 is welded and fixed to the support base 17. A second motor 19 is bolted to the top of the vertical rod 18. The second motor 19 is also a servo motor, and its output end extends to the protective cylinder 2 through a coupling and is fixedly connected to the protective cylinder 2. By rotating the second motor 19 forward and backward, the protective cylinder 2 can be driven to rotate around the axis of the vertical rod 18, thereby realizing the horizontal angle adjustment of the detection component and expanding the illumination range.

[0030] The specific working principle is as follows: When it is necessary to adjust the illumination angle and range of the searchlight, the first motor 14 is started. The first motor 14 drives the gear 15 to rotate. The gear 15 meshes with the rack 11, causing the rack 11 to slide along the sliding groove of the slide block 10. The rack 11 drives the top rod 12 to move. The top rod 12 pulls the traction plate 8 to move axially along the protective cylinder 2, thereby causing the elastic support rib 4 to undergo elastic deformation, achieving extension or compression.

[0031] The extension and retraction of the elastic support rib 4 drives the synchronous movement of the light strip 5 and the refraction plate 7, causing the refraction plate 7 to converge or disperse, changing the refraction angle of the light emitted by the light bead 6, thereby achieving the adjustment of the light intensity and irradiation range under the same power.

[0032] Simultaneously, the second motor 19 is activated, driving the protective cylinder 2 to rotate around the axis of the vertical rod 18, thereby adjusting the horizontal angle of the searchlight assembly and further expanding the lighting coverage. The two searchlight assemblies can be controlled independently or synchronously according to actual lighting needs, meeting the lighting requirements of ships in different navigation scenarios, effectively improving light penetration and lighting flexibility, and are suitable for nighttime or low-visibility marine environments.

[0033] When the elastic support rib 4 contracts and the light strip 5 converges into a frustum shape, as shown in the image... Figure 5 , Figure 7 The converged beam pattern shown has the key advantage of focusing light, enhancing penetration and illumination distance, perfectly matching the core requirements of long-range ship detection. The frustum-shaped structure concentrates the light emission direction of all LED beads 6, and the simultaneous convergence of the refraction plates 7 further unifies the refraction angle of the light, avoiding light dispersion and loss. At the same power, the energy density of the converged beam is significantly improved, and the light intensity is higher than that of existing single spotlights. It can penetrate low-visibility environments such as sea fog and water vapor at night, accurately illuminating distant targets such as ships, navigation marks, and reefs, solving the problem of poor penetration of existing searchlights.

[0034] Furthermore, when the beam converges in a frustum shape, the divergence angle is controlled within a certain range to form a directional strong beam, which can accurately lock onto the target without interfering with the navigation vision of surrounding ships due to excessive light diffusion. This avoids direct strong light shining on the bridge of other ships, complies with the regulations for the use of lights in maritime navigation, and improves navigation safety.

[0035] In the converged state, the spiral spacing of the elastic support ribs 4 is reduced, making the overall structure more compact. Combined with the protection cylinder 2, it can better resist the impact of waves and strong winds during ship navigation, and prevent precision components such as lamp beads 6 and refraction plates 7 from being damaged due to loose structure, making it suitable for the harsh mechanical environment of the ocean.

[0036] When the elastic support ribs 4 extend and the light strips 5 spread out in a long strip shape, the core advantage lies in widening the lighting coverage area, achieving large-area uniform lighting, and meeting the needs of close-range operations and emergency response on ships: After the light diffuses in a long strip, the distribution length of the LED beads 6 is extended compared to the converged state. The refracting plate 7 disperses simultaneously, and the light is refracted to form a fan-shaped illumination surface, which can expand the illumination angle and cover areas such as the ship's deck and hull. Whether it is nighttime cargo loading and unloading on the deck, equipment maintenance, or daily work of the crew, it can provide uniform lighting without blind spots, replacing the function of traditional floodlights and reducing the number of ship lighting equipment required.

[0037] In the diffused state, the LED beads 6 are evenly distributed on the long strip of light. The refraction plate 7 refracts light at different angles, making the light evenly distributed in the irradiated area, without obvious light spots and shadows. The light intensity is also soft, avoiding the glare problem when a single spotlight is irradiated at close range, protecting the crew's eyesight and improving the comfort of long-term operation.

[0038] When a ship encounters an emergency, such as a person falling into the water for rescue or a ship running aground for inspection, the long strip diffused lighting can quickly cover the rescue area or the waters around the ship. It can provide sufficient lighting for the rescue operation and also warn surrounding ships with a wide beam of light, thus improving the efficiency of emergency response.

[0039] The above steps enable the switching between two states to achieve multiple uses for a single lamp, improving lighting flexibility and economy: The two states of the elastic support rib 4 and the light strip 5 can be quickly switched by the first motor 14 driving the rack 11, without the need to replace the lighting equipment, thus achieving integrated adaptation of long-distance accurate detection and short-distance wide-range lighting.

[0040] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An energy-saving marine dual-head searchlight, comprising a base (1), characterized in that: Two sets of detection components are provided on the base (1); The detection assembly includes a protective cylinder (2) set on the top of the base (1). One end of the protective cylinder (2) is provided with a first constraint ring (3). One side of the first constraint ring (3) is provided with an elastic support rib (4). The elastic support rib (4) is a spiral frustum shape and extends spirally with a specified spacing in the axial direction of the protective cylinder (2). The area and shape of the elastic support rib (4) are adjusted by the extension and compression of the elastic support rib (4). A light strip (5) is provided on the outer side of the elastic support rib (4). The light strip (5) is arranged along the spiral extension direction of the elastic support rib (4). A number of lamp beads (6) are provided on the elastic support rib (4). A number of refraction plates (7) are provided on the light strip (5). Each refraction plate (7) is located on one side of the corresponding lamp bead (6). The light strip (5) is moved synchronously by the extension and compression of the elastic support rib (4), so that each refraction plate (7) gathers and disperses, which is used to adjust the illumination position and angle emitted by the lamp bead (6).

2. The energy-saving marine dual-head searchlight according to claim 1, characterized in that: The elastic support rib (4) is provided with a traction plate (8) at one end away from the first constraint ring (3), and a second constraint ring (20) is provided on the outside of the traction plate (8). One end of the elastic support rib (4) is wrapped around the second constraint ring (20).

3. The energy-saving marine dual-head searchlight according to claim 2, characterized in that: The protective cylinder (2) is provided with a support plate (9), and a slide (10) is fixedly provided on the support plate (9). A toothed rod (11) is slidably connected inside the slide (10).

4. The energy-saving marine dual-head searchlight according to claim 3, characterized in that: One end of the rack (11) is provided with a top rod (12), one end of the top rod (12) extends to the traction plate (8), and the traction plate (8) is moved along the slide block (10) by the rack (11) and the top rod (12), so that the elastic support rib (4) extends and is compressed.

5. An energy-saving marine dual-head searchlight according to claim 3, characterized in that: One end of the support plate (9) is fixedly provided with a support rod (13), which is located in the middle of the first constraint ring (3) and is detachably connected to the first constraint ring (3) by bolts.

6. The energy-saving marine dual-head searchlight according to claim 4, characterized in that: A first motor (14) is provided on one side of the slide (10), and a gear (15) is provided at the output end of the first motor (14). The gear (15) is located on one side of the rack (11), and the gear (15) meshes with the rack (11).

7. An energy-saving marine dual-head searchlight according to claim 3, characterized in that: The inner wall of the protective cylinder (2) is provided with an inner liner (16), which covers the outside of the support plate (9) and is welded and fixed to the support plate (9).

8. The energy-saving marine dual-head searchlight according to claim 1, characterized in that: The bottom of the protective cylinder (2) is provided with a support base (17), which is installed on the base (1) by bolts. A vertical rod (18) is provided on the support base (17), and a second motor (19) is provided at the top of the vertical rod (18). The output end of the second motor (19) extends to the protective cylinder (2).

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