Four-degree-of-freedom search and rescue lamp for emergency rescue

By designing a four-degree-of-freedom search and rescue light, combined with a three-degree-of-freedom platform and a rotating platform mechanism, the searchlight can automatically adjust its illumination direction and functionality, solving the problems of limited functionality and manual adjustment in existing search and rescue lights, and improving rescue efficiency and accuracy.

CN224415111UActive Publication Date: 2026-06-26NANJING ALLCONTROLLER TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING ALLCONTROLLER TECH CO LTD
Filing Date
2025-05-22
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing fixed search and rescue lights have limited functionality, and their fixed beam direction requires manual adjustment, which affects rescue efficiency and smooth progress.

Method used

Design a four-degree-of-freedom search and rescue light that combines a three-degree-of-freedom platform and a rotating platform mechanism, and is equipped with a high-definition camera, a thermal imaging camera, and a laser rangefinder to achieve four-degree-of-freedom movement and functional adjustment of the searchlight, and automatically adjust the direction of illumination.

Benefits of technology

It improves rescue efficiency, enabling real-time transmission of rescue footage, target location and distance measurement in dark environments, and automatic adjustment of lighting direction to ensure the smooth progress of rescue work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to search and rescue lamp technical field especially, it relates to a four degree of freedom search and rescue lamp for emergency rescue, include: the three degrees of freedom platform that can realize ascending and descending, front and back tilt and left and right tilt, the mobile end fixed mounting of three degrees of freedom platform has rotary platform mechanism, the mobile end fixed mounting of rotary platform mechanism has lamp stand, fixed mounting has searchlight on the lamp stand, fixed mounting has high definition camera for real -time transmission rescue picture, thermal imaging camera for looking for rescue target in dark environment and laser range finder for detecting rescue target distance on the searchlight respectively, the utility model provides a kind of multifunctional and need not manual adjustment four degree of freedom search and rescue lamp for emergency rescue.
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Description

Technical Field

[0001] This utility model relates to the field of search and rescue light technology, and in particular to a four-degree-of-freedom search and rescue light for emergency rescue. Background Technology

[0002] Search and rescue lights are important lighting equipment in emergency rescue operations. Currently, search and rescue lights are mainly divided into two types: handheld and fixed. Fixed search and rescue lights are mostly used in water rescue operations at night in dark environments, and are generally installed on the shore or on search and rescue boats. However, current fixed search and rescue lights simply provide illumination for rescuers, and their function is relatively simple, which does not significantly improve rescue efficiency. Moreover, the beam direction of fixed search and rescue lights is often fixed, and adjusting the beam direction requires manual operation, which is time-consuming, labor-intensive, and can easily affect the smooth progress of rescue operations. Utility Model Content

[0003] The purpose of this utility model is to provide a four-degree-of-freedom search and rescue light for emergency rescue, so as to solve the technical problems existing in the background art.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] An emergency rescue four-degree-of-freedom search and rescue light includes: a three-degree-of-freedom platform capable of ascending and descending, tilting forward and backward, and tilting left and right; a rotating platform mechanism is fixedly installed at the moving end of the three-degree-of-freedom platform; a light frame is fixedly installed at the moving end of the rotating platform mechanism; a searchlight is fixedly installed on the light frame; and a high-definition camera for real-time transmission of rescue images, a thermal imaging camera for locating rescue targets in dark environments, and a laser rangefinder for detecting the distance to the rescue target are respectively fixedly installed on the searchlight.

[0006] Furthermore, the three-degree-of-freedom platform includes a lower platform, an upper platform, and a telescopic mechanism. The telescopic mechanism is provided in three sets. The upper platform is located directly above the lower platform. The fixed ends of the three sets of telescopic mechanisms are arranged in a circular array and hinged to the top of the lower platform. The telescopic ends of the three sets of telescopic mechanisms are arranged in a circular array and hinged to the bottom of the upper platform.

[0007] Furthermore, the telescopic mechanism includes: a bearing housing, a bottom flange, an electric cylinder, an upper fork, and a horizontal Hooke hinge. The bottom end of the cylinder body of the electric cylinder is hinged to the bearing housing through the bottom flange. The bearing housing is fixedly installed at the top of the lower platform. The top end of the cylinder rod of the electric cylinder is fixedly connected to the upper fork. The upper fork is hinged to the horizontal Hooke hinge, and the horizontal Hooke hinge is fixedly installed at the bottom end of the upper platform.

[0008] Furthermore, the bottom flange includes: a mounting plate and a connecting shaft, the connecting shaft being fixedly connected to the bottom end of the mounting plate, and two bearing seats being hinged to the axial ends of the connecting shaft respectively; the bottom end of the cylinder body of the electric cylinder is fixedly installed on the top end of the mounting plate; the upper fork is U-shaped; the horizontal Hooke hinge includes: a base and a shaft head, the shaft head being rotatably installed on the base, the outer end of the shaft head being hinged to the upper fork, and the base being fixedly installed on the bottom end of the upper platform.

[0009] Furthermore, a sheet metal cover is fixedly connected to the top edge of the lower platform, and a control panel is installed on the left side of the sheet metal cover.

[0010] Furthermore, a plurality of heat dissipation holes one and a plurality of heat dissipation holes two are respectively provided on the rear and right sides of the sheet metal cover, and a cooling fan is fixedly installed on the inner side of the sheet metal cover at a position corresponding to the plurality of heat dissipation holes two.

[0011] Furthermore, it also includes: a accordion cover, the top of which is located below the bottom of the upper platform, an accordion cover is installed between the top of the sheet metal cover and the bottom of the upper platform, the bottom of the accordion cover is sealed and fixedly connected to the top of the sheet metal cover, and the top of the accordion cover is sealed and fixedly connected to the edge of the bottom of the upper platform.

[0012] Furthermore, the rotary platform mechanism includes: a slewing bearing, a flange, a rotary platform, a cylindrical gear, a reducer, and a servo motor. The inner ring of the slewing bearing is fixedly connected to the top center of the upper platform, and the top of the outer ring of the slewing bearing is fixedly connected to the bottom center of the rotary platform via the flange. The reducer is fixedly installed at the bottom of the upper platform, and the output end of the reducer movably passes through the upper platform and a cylindrical gear is fixedly installed above the upper platform. The outer ring of the slewing bearing meshes with the cylindrical gear. A servo motor is fixedly installed at the bottom of the reducer, and the output end of the servo motor is fixedly connected to the input end of the reducer. The bottom of the lamp holder is fixedly installed at the top of the rotary platform.

[0013] Furthermore, the searchlight is cylindrical, and a high-definition camera, a thermal imaging camera, and a laser rangefinder are fixedly installed on the outer wall of the searchlight near the projection end.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The high-definition camera can transmit rescue footage in real time, the thermal imaging camera can locate rescue targets in dark environments, and the laser rangefinder can detect the distance to rescue targets. When used in conjunction with the searchlight, it can greatly improve rescue efficiency. The three-degree-of-freedom platform, in conjunction with the rotary platform mechanism, can achieve four-degree-of-freedom movement and adjustment of the searchlight and its functional components, enabling multi-directional and multi-angle search and rescue without manual adjustment, thus ensuring the smooth progress of the rescue work. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a transverse longitudinal sectional view of the present invention;

[0018] Figure 3 This is a cross-sectional view of the cylindrical gear in this utility model;

[0019] Figure 4 This is a front view of the present invention after the accordion cover has been removed;

[0020] Figure 5 This is a right-side view of the present invention after the accordion cover has been removed;

[0021] Figure 6 This is a left-side view of the present invention after the accordion cover has been removed;

[0022] Figure 7 This is a cross-sectional view of the present invention.

[0023] The labels in the attached diagram are as follows: 1-Lower platform, 2-Upper platform, 3-Bearing seat, 4-Bottom flange, 5-Electric cylinder, 6-Upper fork, 7-Horizontal Hooke hinge, 8-Sheet metal cover, 801-Heat dissipation hole one, 802-Heat dissipation hole two, 9-Control panel, 10-Bell bellows cover, 11-Slewing bearing, 12-Flange plate, 13-Slewing platform, 14-Spiral gear, 15-Reducer, 16-Servo motor, 17-Lamp holder, 18-Searchlight, 19-High-definition camera, 20-Thermal imaging camera, 21-Laser rangefinder, 22-Cooling fan. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0025] See Figures 1-7 As shown, an emergency rescue four-degree-of-freedom search and rescue light includes: a three-degree-of-freedom platform capable of ascending and descending, tilting forward and backward, and tilting left and right; a rotating platform mechanism is fixedly installed at the moving end of the three-degree-of-freedom platform; a light frame 17 is fixedly installed at the moving end of the rotating platform mechanism; a searchlight 18 is fixedly installed on the light frame 17; and a high-definition camera 19 for real-time transmission of rescue images, a thermal imaging camera 20 for locating rescue targets in dark environments, and a laser rangefinder 21 for detecting the distance to rescue targets are fixedly installed on the searchlight 18; the searchlight 18 is cylindrical, and the high-definition camera 19, the thermal imaging camera 20, and the laser rangefinder 21 are fixedly installed on the outer wall of the searchlight 18 near the projection end.

[0026] In this embodiment, the three-degree-of-freedom platform includes: a lower platform 1, an upper platform 2, and a telescopic mechanism. The telescopic mechanism is provided in three sets. The upper platform 2 is located directly above the lower platform 1. The fixed ends of the three sets of telescopic mechanisms are arranged in a circular array and hinged to the top of the lower platform 1. The telescopic ends of the three sets of telescopic mechanisms are arranged in a circular array and hinged to the bottom of the upper platform 2.

[0027] The telescopic mechanism includes: bearing housing 3, bottom flange 4, electric cylinder 5, upper fork 6 and horizontal Hooke hinge 7. The bottom end of the cylinder body of electric cylinder 5 is hinged to bearing housing 3 through bottom flange 4. Bearing housing 3 is fixedly installed at the top of lower platform 1. The top end of cylinder rod of electric cylinder 5 is fixedly connected to upper fork 6. Upper fork 6 is hinged to horizontal Hooke hinge 7. Horizontal Hooke hinge 7 is fixedly installed at the bottom of upper platform 2.

[0028] The bottom flange 4 includes: a mounting plate and a connecting shaft. The connecting shaft is fixedly connected to the bottom end of the mounting plate. Two bearing seats 3 are respectively hinged to the axial ends of the connecting shaft. The bottom end of the cylinder body of the electric cylinder 5 is fixedly installed on the top end of the mounting plate. The upper fork 6 is U-shaped. The horizontal Hooke hinge 7 includes: a base and a shaft head. The shaft head is rotatably installed on the base. The outer end of the shaft head is hinged to the upper fork 6. The base is fixedly installed on the bottom end of the upper platform 2.

[0029] By controlling the extension and retraction of the three electric cylinders 5 respectively, the searchlight 18 and its functional components (including: high-definition camera 19, thermal imaging camera 20 and laser rangefinder 21) can be raised, lowered, tilted forward and backward and tilted left and right.

[0030] In this embodiment, a sheet metal cover 8 is fixedly connected to the top edge of the lower platform 1. A control panel 9 is installed on the left side of the sheet metal cover 8. The control panel 9 is equipped with a communication module, a power indicator light, an emergency stop switch, a power interface, and a circuit breaker. A PLC controller is also installed inside the sheet metal cover 8. The PLC controller controls the operation of the electrical components on the entire emergency rescue four-degree-of-freedom search and rescue light. The high-definition camera 19, the thermal imaging camera 20, and the laser rangefinder 21 are electrically connected to the PLC controller and communicate with the monitoring equipment in real time through the communication module to facilitate the monitoring of the on-site search and rescue situation.

[0031] In this embodiment, a plurality of heat dissipation holes 801 and a plurality of heat dissipation holes 802 are respectively provided on the rear and right sides of the sheet metal cover 8. A cooling fan 22 is fixedly installed on the inner side of the sheet metal cover 8 at a position corresponding to the plurality of heat dissipation holes 802. The heat dissipation holes 801, the plurality of heat dissipation holes 802 and the cooling fan 22 facilitate the heat dissipation of electrical equipment such as electric cylinders and servo motors.

[0032] In this embodiment, it also includes: a bellows cover 10. The top of the sheet metal cover 8 is located below the bottom of the upper platform 2. The bellows cover 10 is installed between the top of the sheet metal cover 8 and the bottom of the upper platform 2. The bottom of the bellows cover 10 is sealed and fixedly connected to the top of the sheet metal cover 8. The top of the bellows cover 10 is sealed and fixedly connected to the edge of the bottom of the upper platform 2. The bellows cover 10 can cover the electrical components between the lower platform 1 and the upper platform 2 and inside the sheet metal cover 8, ensuring that the entire equipment can be used normally in rainy and snowy weather.

[0033] In this embodiment, the rotary platform mechanism includes: a slewing bearing 11, a flange 12, a rotary platform 13, a cylindrical gear 14, a reducer 15, and a servo motor 16. The inner ring of the slewing bearing 11 is fixedly connected to the middle of the top end of the upper platform 2, and the top end of the outer ring of the slewing bearing 11 is fixedly connected to the middle of the bottom end of the rotary platform 13 through the flange 12. The reducer 15 is fixedly installed at the bottom end of the upper platform 2, and the output end of the reducer 15 movably passes through the upper platform 2 and the cylindrical gear 14 is fixedly installed above the upper platform 2. The outer ring of the slewing bearing 11 meshes with the cylindrical gear 14, and the servo motor 16 is fixedly installed at the bottom end of the reducer 15. 6. The output end of the servo motor 16 is fixedly connected to the input end of the reducer 15. The bottom end of the lamp holder 17 is fixedly installed on the top of the rotary platform 13. The servo motor 16 drives the cylindrical gear 14 to rotate through the reducer 15, which in turn drives the slewing bearing 11 to rotate. The rotation angle is 360°. It can realize the rotation of the searchlight 18 and its functional components. When used in conjunction with the three-degree-of-freedom platform, it can realize the four-degree-of-freedom movement (up and down, forward and backward tilting, left and right tilting and rotation) of the searchlight 18 and its functional components, so that the searchlight 18 and its functional components can realize multi-directional and multi-angle search and rescue.

[0034] When using this four-degree-of-freedom search and rescue light for emergency rescue, the lower platform 1 is first installed at a suitable location on the shore or on the search and rescue boat, and communication is established with the monitoring equipment. During the search and rescue process, the PLC controller controls the operation of three electric cylinders 5 and servo motor 16 respectively. The extension and retraction of the three electric cylinders 5 can realize the raising and lowering, forward and backward tilting, and left and right tilting of the searchlight 18 and its functional components (including: high-definition camera 19, thermal imaging camera 20, and laser rangefinder 21). The servo motor 16 drives the cylindrical gear 14 to rotate through the reducer 15, which in turn drives the slewing bearing 11. The system can rotate 360°, enabling the searchlight 18 and its functional components to rotate. When used in conjunction with a three-degree-of-freedom platform, it can achieve four-degree-of-freedom motion (ascending and descending, tilting forward and backward, tilting left and right, and rotating) of the searchlight 18 and its functional components, allowing the searchlight 18 and its functional components to conduct multi-directional and multi-angle search and rescue operations. The thermal imaging camera 20 can locate search and rescue targets in dark environments, the laser rangefinder 21 can detect the approximate distance to the search and rescue targets, and the high-definition camera 19 can transmit search and rescue images to the search and rescue team in real time.

[0035] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent substitutions, and improvements made by those skilled in the art to the above embodiments without departing from the scope of the present utility model's technical solution and based on the technical essence of the present utility model shall still fall within the protection scope of the present utility model's technical solution.

Claims

1. A four-degree-of-freedom search light for emergency rescue, characterized in that, include: A three-degree-of-freedom platform capable of rising and falling, tilting forward and backward, and tilting left and right. A rotary platform mechanism is fixedly installed on the moving end of the three-degree-of-freedom platform. A lamp holder (17) is fixedly installed on the moving end of the rotary platform mechanism. A searchlight (18) is fixedly installed on the lamp holder (17). A high-definition camera (19) for real-time transmission of rescue images, a thermal imaging camera (20) for finding rescue targets in dark environments, and a laser rangefinder (21) for detecting the distance to rescue targets are fixedly installed on the searchlight (18). The three-degree-of-freedom platform includes a lower platform (1), an upper platform (2), and a telescopic mechanism. The telescopic mechanism is provided in three sets. The upper platform (2) is located directly above the lower platform (1). The fixed ends of the three sets of telescopic mechanisms are arranged in a circular array and hinged to the top of the lower platform (1). The telescopic ends of the three sets of telescopic mechanisms are arranged in a circular array and hinged to the bottom of the upper platform (2). A sheet metal cover (8) is fixedly connected to the top edge of the lower platform (1). The top of the sheet metal cover (8) is located below the bottom of the upper platform (2). A bellows cover (10) is installed between the top of the sheet metal cover (8) and the bottom of the upper platform (2). The bottom of the bellows cover (10) is sealed and fixedly connected to the top of the sheet metal cover (8). The top of the bellows cover (10) is sealed and fixedly connected to the edge of the bottom of the upper platform (2). The rotary platform mechanism includes: a rotary bearing (11), a flange (12), a rotary platform (13), a cylindrical gear (14), a reducer (15), and a servo motor (16). The inner ring of the rotary bearing (11) is fixedly connected to the middle of the top of the upper platform (2). The top of the outer ring of the rotary bearing (11) is fixedly connected to the middle of the bottom of the rotary platform (13) through the flange (12). The reducer (15) is fixedly installed at the bottom of the upper platform (2). The output end of the reducer (15) movably passes through the upper platform (2) and the cylindrical gear (14) is fixedly installed above the upper platform (2). The outer ring of the rotary bearing (11) meshes with the cylindrical gear (14). The servo motor (16) is fixedly installed at the bottom of the reducer (15). The output end of the servo motor (16) is fixedly connected to the input end of the reducer (15). The bottom end of the lamp holder (17) is fixedly installed at the top of the rotary platform (13).

2. The four-degree-of-freedom search light for emergency rescue according to claim 1, characterized in that: The telescopic mechanism includes: a bearing seat (3), a bottom flange (4), an electric cylinder (5), an upper fork (6), and a horizontal Hooke hinge (7). The bottom end of the cylinder body of the electric cylinder (5) is hinged to the bearing seat (3) through the bottom flange (4). The bearing seat (3) is fixedly installed at the top of the lower platform (1). The top end of the cylinder rod of the electric cylinder (5) is fixedly connected to the upper fork (6). The upper fork (6) is hinged to the horizontal Hooke hinge (7). The horizontal Hooke hinge (7) is fixedly installed at the bottom end of the upper platform (2).

3. The four-degree-of-freedom search and rescue light for emergency rescue according to claim 2, characterized in that: The bottom flange (4) includes: a mounting plate and a connecting shaft. The connecting shaft is fixedly connected to the bottom end of the mounting plate. Two bearing seats (3) are respectively hinged to the two ends of the axial direction of the connecting shaft. The bottom end of the cylinder body of the electric cylinder (5) is fixedly installed on the top end of the mounting plate. The upper fork (6) is U-shaped. The horizontal Hooke hinge (7) includes: a base and a shaft head. The shaft head is rotatably installed on the base. The outer end of the shaft head is hinged to the upper fork (6). The base is fixedly installed at the bottom end of the upper platform (2).

4. The four-degree-of-freedom search and rescue light for emergency rescue according to claim 1, characterized in that: A control panel (9) is installed on the left side of the sheet metal cover (8).

5. A four-degree-of-freedom search and rescue light for emergency rescue according to claim 1, characterized in that: The sheet metal cover (8) has several heat dissipation holes 1 (801) and several heat dissipation holes 2 (802) respectively on the rear and right sides. A cooling fan (22) is fixedly installed on the inner side of the sheet metal cover (8) at a position corresponding to the several heat dissipation holes 2 (802).

6. A four-degree-of-freedom search and rescue light for emergency rescue according to claim 1, characterized in that: The searchlight (18) is cylindrical, and a high-definition camera (19), a thermal imaging camera (20) and a laser rangefinder (21) are fixedly installed on the outer wall of the searchlight (18) near the projection end.