Mooring floating lighting system

Abstract

The invention discloses a mooring floating lighting system, and relates to the technical field of outdoor lighting, the mooring floating lighting system comprises a ground mooring unit, an aerostat and a lighting lamp, the ground mooring unit is provided with a take-up and pay-off device, a power supply device and a mooring cable, the take-up and pay-off device is used for controlling take-up and pay-off of the mooring cable, and the power supply device is used for supplying power to the mooring cable. The power supply device is communicated with a power supply line in the mooring rope; a floating air body lighter than air is loaded in the aerostat, the aerostat is connected with the mooring rope, and the retracting and releasing of the mooring rope are controlled through the retracting and releasing device so as to change the floating height of the aerostat. The lighting lamp is installed on the aerostat, the lighting lamp is communicated with a power supply circuit in the mooring rope, and the power supply device supplies power to the lighting lamp, so that the lighting lamp has a lighting effect. According to the mooring floating lighting system, multi-rotor lift force is replaced by floating air body unpowered hang, ground power supply only bears lamps, the risk of power supply interruption caused by continuous energy consumption of a motor and a flight controller is cut off, and continuity and stability of emergency rescue lighting are guaranteed.

Description

Technical Field

[0001] This application relates to the field of outdoor lighting technology, and in particular to a tethered buoyancy lighting system. Background Technology

[0002] In emergency rescue, disaster relief, and temporary security scenarios at night or in low visibility conditions, it is necessary to quickly establish a high-altitude lighting environment. Traditionally, two main technical approaches are used: First, a ground generator is used to power a multi-rotor drone that hovers continuously via a composite cable, with an LED array mounted on its belly projecting light directly downwards; second, existing tower cranes, communication towers, or temporary gantry frames are used to fix high-intensity searchlights at a high position to create a directional light field.

[0003] Both solutions rely on high-power ground-based power supplies, requiring the separate transportation of the supporting units, cables, and drone platforms. The on-site deployment process is complex, and the lighting altitude and coverage are limited by power capacity and vehicle performance. In particular, tethered multi-rotor drones need to continuously output lift to overcome their own weight and resist wind loads. The ground-based power supply must simultaneously bear the loads of the rotor motors, flight control, heat dissipation, and lighting. In emergency scenarios such as earthquakes and floods, the fuel reserves of portable generators on-site are limited. Prolonged flight depletes the power margin, forcing a shutdown of lighting and directly impacting the continuity of nighttime rescue operations. Summary of the Invention

[0004] The purpose of this application is to provide a tethered buoyancy lighting system that uses unpowered buoyancy of a buoyancy vehicle to replace the lift of a multi-rotor aircraft, with ground power supply only supporting the lighting fixtures, thus eliminating the risk of power outages caused by the continuous energy consumption of motors and flight control systems, and ensuring the continuity and stability of emergency rescue lighting.

[0005] To achieve the above objectives, this application provides a tethered buoyancy lighting system, comprising:

[0006] The ground mooring unit is equipped with a retrieval and deployment device, a power supply device, and a mooring cable. The retrieval and deployment device is used to control the retrieval and deployment of the mooring cable, and the power supply device is connected to the power supply line in the mooring cable.

[0007] An airship, which is filled with air gas lighter than air, is connected to a mooring cable. The airship's buoyancy is changed by controlling the release and retraction of the mooring cable through a release and retraction device.

[0008] A lighting fixture is installed on the buoy. The lighting fixture is connected to the power supply line in the mooring cable. The power supply device supplies power to the lighting fixture, so that the lighting fixture produces a lighting effect.

[0009] In some embodiments, the luminous surface of the lighting fixture is disposed facing the interior of the aerostat, and the interior of the aerostat is provided with a reflective arc surface for reflecting incident light from the luminous surface toward the ground.

[0010] In some embodiments, the reflective arc surface is provided inside the bladder on the side of the airship facing away from the ground.

[0011] In some embodiments, the lighting fixture is installed on the outside of the shell of the airship facing the ground. Incident light from the light-emitting surface can pass through the shell of the airship facing the ground and be directed to the reflective arc surface. Reflected light from the reflective arc surface can pass through the shell of the airship facing the ground and be directed to the ground.

[0012] In some embodiments, the reflective arc surface is provided with a metal coating, and the reflectivity of the metal coating is greater than 95%.

[0013] In some embodiments, the ground tethering unit includes a housing with a first layer and a second layer communicating inside the housing. The buoy can be stored in the first layer after releasing buoyant gas, the deployment and retrieval device and the power supply device are located in the second layer, and the tethering cable passes between the first layer and the second layer.

[0014] In some embodiments, the housing is provided with a partition that divides the housing into a first layer and a second layer in the height direction, and the partition is provided with a channel for the mooring cable to pass through.

[0015] In some embodiments, the ground tethering unit is further provided with a gas storage cylinder and a compressor located on the second layer. The gas storage cylinder is used to fill the airship with air gas, and the compressor is used to recover the air gas inside the airship back to the gas storage cylinder.

[0016] In some embodiments, a safety control device is also provided on the airship, the safety control device having a built-in positioning module;

[0017] The ground tethering unit also has a main control box located on the second layer. The main control box is signal-connected to the security control device, which is configured as follows:

[0018] Based on the real-time positioning data of the positioning module, it is determined whether the airship has exceeded the preset electronic fence boundary.

[0019] If the violation is detected, a forced landing will be initiated.

[0020] In some embodiments, the power supply device is a battery module.

[0021] Compared to the aforementioned background technology, the tethered buoy lighting system provided in this application includes a ground tether unit, a buoy, and lighting fixtures. The ground tether unit is equipped with a deployment and retrieval device, a power supply device, and a tether cable. The deployment and retrieval device is used to control the deployment and retrieval of the tether cable, and the power supply device is connected to the power supply line in the tether cable. The buoy is filled with buoyant gas lighter than air and is connected to the tether cable. The deployment and retrieval device controls the deployment and retrieval of the tether cable to change the buoy's buoyancy. The lighting fixtures are installed in the buoy and are connected to the power supply line in the tether cable. The power supply device supplies power to the lighting fixtures, enabling them to produce an illumination effect.

[0022] In existing technologies, tethered multi-rotor UAVs must continuously output lift to overcome their own weight and resist wind loads. The ground power supply must simultaneously bear the loads of the rotor motors, flight control, heat dissipation, and lighting, causing the power generation side to be under high load for a long time. Once the fuel is insufficient or the power margin of the unit is exhausted at the emergency site, the lighting will be interrupted.

[0023] This application replaces the rotor platform with an aerostat filled with a gas lighter than air. Its lift is provided by the static buoyancy of the gas, eliminating the need for any power unit to maintain altitude. Therefore, the tethering cable only serves as a mechanical constraint and transmits electrical energy. The power supply output is only connected to the lighting fixtures, no longer distributing power to the motors, flight control, or cooling system. Thus, the high-energy-consuming link of "ground power supply simultaneously driving the rotor and lighting" in the prior art is completely eliminated. The load on the power generation side is only the lighting fixtures, and the power supply duration depends only on the power consumption of the lighting fixtures and the battery capacity, no longer constrained by the continuous energy consumption of the rotor. This eliminates the risk of power outages caused by the continuous energy consumption of the motors and flight control, ensuring the continuity and stability of emergency rescue lighting.

[0024] Based on the above structural and process descriptions, it can be seen that the tethered buoyant lighting system has at least the following beneficial effects: replacing the lift of multi-rotor aircraft with unpowered buoyancy, ground power supply only supports the lighting fixtures, eliminating the risk of power outages caused by the continuous energy consumption of motors and flight control systems, and ensuring the continuity and stability of emergency rescue lighting. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0026] Figure 1 A schematic diagram of the tethered buoyancy lighting system provided in the embodiments of this application. Figure 1 ;

[0027] Figure 2 A schematic diagram of the tethered buoyancy lighting system provided in the embodiments of this application. Figure 2 ;

[0028] Figure 3 A schematic diagram of the lighting principle of the tethered buoyancy lighting system provided in the embodiments of this application.

[0029] in:

[0030] 100 tethered buoyancy lighting system

[0031] Ground tethering unit 1, retrieval and deployment device 11, power supply device 12, tethering cable 13, enclosure 14, first layer 141, second layer 142, partition 15, passage 151, gas cylinder 16, compressor 17, main control box 18.

[0032] Float 2, Reflective Arc Surface 21

[0033] 3. Lighting fixtures

[0034] Security control device 4. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] Currently, mainstream emergency rescue high-altitude lighting mostly uses tethered drones equipped with high-intensity LED lights, or directly installs high-intensity lights on nearby tall buildings or equipment to achieve wide-area illumination.

[0037] In emergency rescue scenarios, high-altitude outdoor lighting has the following problems.

[0038] Tethered drones require continuous power from the ground to provide illumination for extended periods. Their lighting and flight systems consume enormous amounts of energy, placing extremely high demands on the power output of ground generators or power supply equipment. In scenarios where emergency power supply is already strained, this can easily lead to insufficient power, hindering the system's ability to operate continuously.

[0039] When drones hover at low altitudes, their rotors generate continuous noise and stir up dust and debris from the ground. This not only severely interferes with the on-site communication and work of rescue personnel, but the stirred-up debris may also threaten the drone's own flight safety and pose a potential threat to personnel and equipment on the ground.

[0040] As complex electromechanical systems, drones are at relatively high risk of malfunction in harsh emergency environments (such as flight control failure or tether cable breakage). If they fall out of control, they may become debris and cause secondary damage to the rescue site.

[0041] Even slight swaying when a drone hovers can cause instability in the light field projected by its onboard high-intensity LED lights. This swaying can easily cause visual fatigue and discomfort to people within the light field. More importantly, direct exposure to strong light can create visual persistence (shadows) within a person's field of vision, not only harming their eyesight but also causing a "light-blocking" effect. This drastically reduces rescuers' ability to observe dimly lit areas outside the light field, making it impossible for them to perceive changes in their surroundings in a timely manner and creating potential safety hazards.

[0042] The existing system is still insufficient in terms of high integration and modularity, and it is difficult to simultaneously meet the comprehensive needs of emergency rescue for equipment mobility, rapid deployment, easy operation and long-term stable operation.

[0043] To address at least one of the aforementioned problems, this application provides a tethered buoyancy lighting system.

[0044] To enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0045] Please refer to Figures 1 to 3 ,in, Figure 1 A schematic diagram of the tethered buoyancy lighting system provided in the embodiments of this application. Figure 1 , Figure 2 A schematic diagram of the tethered buoyancy lighting system provided in the embodiments of this application. Figure 2 , Figure 3 A schematic diagram of the lighting principle of the tethered buoyancy lighting system provided in the embodiments of this application.

[0046] In a first specific embodiment, the tethered buoyancy lighting system 100 provided in this application includes a ground tether unit 1, a buoyancy device 2, and a lighting fixture 3. The ground tether unit 1 is equipped with a retraction and deployment device 11, a power supply device 12, and a tether cable 13. The retraction and deployment device 11 is used to control the retraction and deployment of the tether cable 13, and the power supply device 12 is connected to the power supply line in the tether cable 13. The buoyancy device 2 is filled with a buoyancy gas lighter than air. The buoyancy device 2 is connected to the tether cable 13. The retraction and deployment device 11 controls the retraction and deployment of the tether cable 13 to change the buoyancy height of the buoyancy device 2. The lighting fixture 3 is installed on the buoyancy device 2 and is connected to the power supply line in the tether cable 13. The power supply device 12 supplies power to the lighting fixture 3, so that the lighting fixture 3 produces a lighting effect.

[0047] In existing technologies, tethered multi-rotor UAVs must continuously output lift to overcome their own weight and resist wind loads. The ground power supply must simultaneously bear the loads of the rotor motors, flight control, heat dissipation, and lighting, causing the power generation side to be under high load for a long time. Once the fuel is insufficient or the power margin of the unit is exhausted at the emergency site, the lighting will be interrupted.

[0048] This application replaces the rotor platform with an aerostat 2 filled with a gas lighter than air. Its lift is provided by the static buoyancy of the gas, and no power unit is needed to maintain altitude. Therefore, the tether cable 13 only serves the functions of mechanical restraint and power transmission. The output of the power supply device 12 is only connected to the lighting fixture 3, and no longer allocates power to the motor, flight control, or cooling system. As a result, the high-energy-consuming link of "the ground power supply needs to drive the rotor and lighting simultaneously" in the background technology is completely eliminated. The load on the power generation side is only the lighting fixture. The power supply duration depends only on the power consumption of the lighting fixture and the battery capacity, and is no longer constrained by the continuous energy consumption of the rotor. This eliminates the risk of power outage caused by the continuous energy consumption of the motor and flight control, and ensures the continuity and stability of emergency rescue lighting.

[0049] Based on the above structural and process descriptions, it can be seen that the tethered buoyant lighting system 100 has at least the following beneficial effects: replacing the lift of multi-rotor aircraft with unpowered buoyancy, ground power supply only supports the lighting fixtures, eliminating the risk of power outages caused by the continuous energy consumption of motors and flight control systems, and ensuring the continuity and stability of emergency rescue lighting.

[0050] Alternatively, helium may be used as the aerosol gas.

[0051] In some embodiments, the light-emitting surface of the lighting fixture 3 is arranged facing the interior of the airship 2, and the interior of the airship 2 is provided with a reflective arc surface 21, which is used to reflect the incident light from the light-emitting surface toward the ground.

[0052] In this embodiment, unlike the direct illumination of the ground by the lighting fixture 3, the light is reflected and diffused by the reflective arc surface 21, so that the light is reflected inside the airship 2 before being directed to the ground, thereby achieving a larger illumination range.

[0053] Because the curved structure of the reflective surface 21 can uniformly scatter and reflect light, it avoids the problems of concentrated light and limited illumination range that may occur with direct illumination. Through the reflection effect of the reflective surface 21, light can be more evenly distributed over a larger area of ​​the ground, reducing dark areas and shadows in the light field and improving the uniformity and coverage of the lighting. In addition, the reflective surface 21 can also soften the light, avoiding glare and visual discomfort caused by direct strong light, thus improving the comfort and safety of the lighting effect. This design not only solves the problem of limited illumination range in existing technologies, but also achieves a more efficient, uniform, and comfortable lighting effect through the optimized design of the reflective surface 21, making it suitable for scenarios requiring large-scale lighting, such as emergency rescue and disaster relief construction.

[0054] In some embodiments, the airship 2 has a reflective arc surface 21 inside the shell on the side facing away from the ground.

[0055] In this embodiment, the outer shell of the airship 2 facing away from the ground is equivalent to the upper outer shell, and the reflective arc surface 21 is located inside the upper outer shell. This arrangement allows the incident light emitted from the light-emitting surface 31 of the lighting fixture 3 to directly reach the reflective arc surface 21 inside the upper outer shell. Utilizing its high reflectivity, the light is reflected downwards as much as possible, reducing multiple reflections and light loss inside the airship 2, and improving luminous flux utilization. At the same time, the arc geometry of the upper outer shell allows for pre-design of the reflection angle, enabling the light to uniformly cover the ground at the desired downward angle, expanding the effective illumination range and reducing the difference in illuminance between the center and the edges, achieving directional and soft long-distance illumination.

[0056] In some embodiments, the lighting fixture 3 is installed outside the shell of the airship 2 on the side facing the ground. Incident light from the light-emitting surface can pass through the shell of the airship 2 on the side facing the ground and be directed to the reflective arc surface 21. Reflected light from the reflective arc surface 21 can pass through the shell of the airship 2 on the side facing the ground and be directed to the ground.

[0057] In this embodiment, the skin of the airship 2 facing the ground is equivalent to the lower skin, and the lighting fixture 3 is equivalent to being installed on the outside of the lower skin. The light-emitting surface 31 of the lighting fixture 3 is arranged facing upward, and its emitted light first penetrates the lower skin and enters the interior of the airship 2, and then is projected onto the reflective arc surface 21 located inside the upper skin. The light after being directionally reflected by the reflective arc surface 21 penetrates the lower skin on the same side again and shines towards the ground.

[0058] Because this arrangement places the lighting fixture 3 outside the capsule, it avoids the additional temperature rise of the floating air inside the airship 2 caused by the heat generated by the lighting fixture and the electrical components. At the same time, it utilizes the bidirectional light transmission characteristics of the lower capsule skin to achieve a light path cycle of "upward projection - reflection - downward transmission". This maintains the controllability of the light path length and reflection angle, and makes the reflected light cover a larger area and the illuminance distribution more uniform. The light field has a soft light effect, which meets the needs of emergency rescue for wide-angle uniform lighting.

[0059] Alternatively, the lower zone capsule can be made of a semi-transparent capsule to achieve a soft lighting effect for the light field.

[0060] In some embodiments, the reflective arc surface 21 is provided with a metal coating, and the reflectivity of the metal coating is greater than 95%.

[0061] In this embodiment, by setting a highly reflective metal coating on the surface of the reflective arc surface 21, the light reflection efficiency can be effectively improved and the energy loss of light during the reflection process can be reduced.

[0062] Metal coatings can utilize common high-reflectivity materials such as aluminum plating, with a reflectivity greater than 95%. Preferably, a metal coating with total internal reflection is used to ensure that most or all incident light is reflected towards the ground, significantly improving the luminous efficiency and energy utilization of the lighting system. The specific material, single-layer or multi-layer structure, and other parameters of the metal coating are not limited, as long as high reflection or total internal reflection is achieved. This design provides greater flexibility in the manufacturing of the reflective arc surface 21, while ensuring the efficiency and reliability of the lighting system in different application scenarios.

[0063] In some embodiments, the ground tethering unit 1 includes a housing 14, the interior of which is provided with a first layer 141 and a second layer 142 that are in communication. The airship 2 can be stored in the first layer 141 after releasing air gas. The retrieval device 11 and the power supply device 12 are located in the second layer 142. The tethering cable 13 passes between the first layer 141 and the second layer 142.

[0064] In this embodiment, by integrating all functional components into the housing 14, a layered and interconnected structural layout is formed. This ensures that the airship 2, deployment and retrieval device 11, power supply device 12, and tethering cable 13 are all within the same enclosed space during transportation and storage, avoiding the cumbersome process of separately packing and reassembling individual components on-site. The first layer 141 is dedicated to storing the deflated airship 2, preventing the bladder from shaking or being damaged during transportation. The second layer 142 centrally houses the power and electrical components, facilitating wiring and maintenance. The tethering cable 13 passes through both layers via channel 151, enabling rapid deployment and retrieval. This integrated housing 14 design significantly reduces on-site deployment steps, requiring only opening the housing cover, inflation, and pre-launch checks to complete deployment, meeting the emergency rescue requirements for mobile, efficient, and rapid lighting.

[0065] In some embodiments, the housing 14 is provided with a partition 15, which divides the housing 14 into a first layer 141 and a second layer 142 in the height direction. The partition 15 is provided with a channel 151 for the mooring cable 13 to pass through.

[0066] In this embodiment, the partition 15 serves as a rigid intermediate wall, providing mechanical isolation between the two load layers and maintaining the continuous routing of the mooring cable 13 through the reserved channel 151. This allows the storage space for the aircraft 2 in the first layer 141 and the electromechanical installation space in the second layer 142 to form an independent yet interconnected layout. This separation prevents the capsule from colliding with the deployment and take-up device 11 and the power supply device 12 during transportation, while also avoiding messy wiring, improving the internal structural stability and maintenance convenience of the housing 14, and providing reliable support for rapid deployment and recovery.

[0067] In some embodiments, the ground tethering unit 1 is further provided with a gas storage cylinder 16 and a compressor 17 located on the second layer 142. The gas storage cylinder 16 is used to fill the air buoy 2 with air gas, and the compressor 17 is used to recover the air gas inside the air buoy 2 back to the gas storage cylinder 16.

[0068] In this embodiment, the gas storage cylinder 16 and the compressor 17 are placed together on the second layer 142 to form a closed-loop floating air gas circulation loop: when deployed, the gas storage cylinder 16 quickly fills the air-floating device 2 with floating air gas through the pressure reducing valve, shortening the preparation time for takeoff; when recovered, the compressor 17 draws the gas in the air-floating device 2 back to the gas storage cylinder 16, realizing the reuse of floating air gas and reducing operating costs and gas consumption.

[0069] Optionally, the two layers share a common partition 15 with a pre-set channel 151, allowing the inflation / deflation pipeline and the mooring cable 13 to pass through in parallel, avoiding additional openings and maintaining the sealing and strength of the housing 14; the gas cylinder 16 and the compressor 17 are fixed to the bottom plate of the second layer 142, with a low center of gravity and less vibration during transportation, meeting the needs of rapid inflation, complete recovery, and multiple deployments in emergency scenarios.

[0070] In some embodiments, the device also includes a safety control device 4 disposed on the airship 2, the safety control device 4 having a built-in positioning module;

[0071] The ground tethered unit 1 is also equipped with a main control box 18 located on the second layer 142. The main control box 18 is connected to the safety control device 4. The safety control device 4 monitors the status of the airship 2 in real time and has an emergency self-destruct function to prevent the airship 2 from going out of control.

[0072] Specifically, security control device 4 is configured as follows:

[0073] Based on the real-time positioning data from the positioning module, it is determined whether the airship 2 has exceeded the preset electronic fence boundary.

[0074] If the violation is detected, a forced landing will be initiated.

[0075] Optionally, the positioning module is a GNNS+BeiDou dual positioning module.

[0076] In this embodiment, a safety control device 4 is integrated on the top of the airship 2. The safety control device 4 has a built-in positioning module that can obtain the three-dimensional coordinates of the airship 2 in real time. The main control box 18 is fixed to the second layer 142 and maintains a two-way data link with the safety control device 4 through the communication line in the mooring cable 13.

[0077] During operation, the safety control device 4 compares the positioning data with the preset electronic fence boundary. If the horizontal or vertical displacement of the aerostat 2 exceeds the safe range, a forced descent command is immediately triggered: first, a braking signal is sent to the release and retrieval device 11 via the tethering cable 13 to lock the cable and release it, while simultaneously illuminating the warning light to alert on-site personnel; if the deviation continues, the safety control device 4 automatically opens the vent valve of the aerostat 2, allowing the aerostat gas to be released in a controlled manner. The aerostat 2 descends smoothly while remaining tethered, avoiding drifting to the flight path or dangerous airspace. The entire closed-loop control system is integrated within the housing 14, requiring no external base station, thus meeting the regulatory requirements for airspace safety and rapid response in emergency rescue.

[0078] In some embodiments, the power supply device 12 is a battery module.

[0079] In this embodiment, the power supply device 12 adopts a battery module form, with no mechanical rotating parts in the energy storage and conversion process, completely eliminating the fuel noise and vibration of engine-driven systems. The battery module is built into the second layer 142, sharing the same enclosed space with the deployment and take-up device 11 and the main control box 18, eliminating the need for an external diesel generator or mains power. Deployment eliminates the need for wiring, refueling, and noise reduction operations, achieving silent power supply. The aerostat 2 only receives DC power to drive the lighting fixture 3, with no combustion emissions. It is suitable for nighttime rescue operations, hospital perimeter lighting, or indoor venue supplementary lighting scenarios sensitive to noise and exhaust fumes, while also reducing infrared and acoustic characteristics, improving the concealment and environmental friendliness of emergency rescue.

[0080] In some cases, the container 14 can be used as a ground flight container. All components of the tethered buoyancy lighting system 100, except for the container 14, can be stored in the container 14. The container 14 can be placed in the back of a three-wheeled motorcycle or pickup truck for deployment.

[0081] In one specific embodiment, the usage of the tethered buoyancy lighting system 100 is described below.

[0082] (1) Load the entire tethered buoyancy lighting system 100 onto a vehicle and transport it to the deployment point. After unloading, the vehicle can leave.

[0083] (2) Open the box 14, unfold the air levitation device 2, and expose the air inlet.

[0084] (3) Connect the outlet of the gas storage cylinder 16 to the gas filling port, open the valve, and fill the air buoy 2 with helium.

[0085] (4) After the airship 2 expands, it begins to float. Simultaneously, the launching and retracting device 11 releases the mooring cable 13 to provide expansion space.

[0086] (5) After inflating to the rated pressure, close the power switch and check the starting status of the lighting fixture 3.

[0087] (6) Continue to release the mooring cable 13 to the preset height and start the lighting operation.

[0088] (7) During retrieval, the retrieval device 11 retrieves the mooring cable 13, pulls the airship 2 back to the top of the housing 14, and turns off the lighting power.

[0089] (8) Start the compressor 17 to refill the helium gas in the airship 2 into the gas storage cylinder 16.

[0090] (9) Fold and arrange the buoy 2 capsule, insert the first layer 141, and close the box 14.

[0091] (10) Transported back by three-wheeled motorcycle or pickup truck.

[0092] Therefore, the tethered buoyancy lighting system 100 has the following advantages.

[0093] Lower energy consumption: The helium balloon buoyancy enables unpowered hovering, requiring only ground power for the lighting load, significantly reducing ground power consumption.

[0094] Environmentally friendly design: The unpowered hovering design eliminates environmental interference such as noise and debris swirl, avoiding the risk of drones going out of control.

[0095] Better lighting effect: The customized capsule structure creates soft lighting, avoiding visual damage caused by direct strong light.

[0096] Easier to deploy and use: The aviation-grade box-type integrated design supports mobile deployment and simplifies the operation process.

[0097] High security: The use of a security control system eliminates the risk of loss of control.

[0098] It should be noted that many of the components mentioned in this application are general standard parts or components known to those skilled in the art, and their structure and principle can be learned by those skilled in the art through technical manuals or through conventional experimental methods.

[0099] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0100] The tethered buoyancy lighting system provided in this application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core ideas of this application. It should be noted that those skilled in the art can make various improvements and modifications to this application without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this application.

Claims

1. A tethered buoyancy lighting system, characterized in that, include: The ground mooring unit is equipped with a retrieval and deployment device, a power supply device, and a mooring cable. The retrieval and deployment device is used to control the retrieval and deployment of the mooring cable, and the power supply device is connected to the power supply line in the mooring cable. An airship, which is filled with air gas lighter than air, is connected to a mooring cable. The airship's buoyancy is changed by controlling the release and retraction of the mooring cable through a release and retraction device. A lighting fixture is installed on the buoy. The lighting fixture is connected to the power supply line in the mooring cable. The power supply device supplies power to the lighting fixture, so that the lighting fixture produces a lighting effect.

2. The tethered buoyancy lighting system according to claim 1, characterized in that, The light-emitting surface of the lighting fixture is positioned facing the interior of the airship, and the interior of the airship is provided with a reflective arc surface, which is used to reflect the incident light from the light-emitting surface toward the ground.

3. The tethered buoyancy lighting system according to claim 2, characterized in that, The reflective arc surface is located inside the capsule on the side of the airship facing away from the ground.

4. The tethered buoyancy lighting system according to claim 3, characterized in that, The lighting fixture is installed on the outside of the shell of the airship on the side facing the ground. Incident light from the light-emitting surface can pass through the shell of the airship on the side facing the ground and be directed to the reflective arc surface. Reflected light from the reflective arc surface can pass through the shell of the airship on the side facing the ground and be directed to the ground.

5. The tethered buoyancy lighting system according to claim 2, characterized in that, The reflective arc surface is coated with a metal film, and the reflectivity of the metal film is greater than 95%.

6. The tethered buoyancy lighting system according to claim 1, characterized in that, The ground tethering unit includes a housing with a first layer and a second layer that are connected inside. The buoy can be stored in the first layer after releasing buoyant gas. The deployment and retrieval device and the power supply device are located in the second layer. The tethering cable passes between the first layer and the second layer.

7. The tethered buoyancy lighting system according to claim 6, characterized in that, The enclosure is provided with a partition that divides the enclosure into a first layer and a second layer in the height direction, and the partition is provided with a channel for the mooring cable to pass through.

8. The tethered buoyancy lighting system according to claim 6, characterized in that, The ground tethering unit is also equipped with a gas storage cylinder and a compressor located on the second layer. The gas storage cylinder is used to fill the airship with air gas, and the compressor is used to recover the air gas inside the airship back to the gas storage cylinder.

9. The tethered buoyancy lighting system according to claim 6, characterized in that, It also includes a safety control device installed on the airship, the safety control device having a built-in positioning module; The ground tethering unit also has a main control box located on the second layer. The main control box is signal-connected to the security control device, which is configured as follows: Based on the real-time positioning data of the positioning module, it is determined whether the airship has exceeded the preset electronic fence boundary. If the violation is detected, a forced landing will be initiated.

10. The tethered buoyancy lighting system according to any one of claims 1 to 9, characterized in that, The power supply device is a battery module.

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