A multifunctional mobile power distribution device for tunnel construction

Abstract

This utility model discloses a multifunctional mobile power distribution device for tunnel construction, including a wheeled frame, movable outriggers, a cable reel, a power distribution cabinet, an intelligent monitoring camera, and fixed-direction lighting fixtures. The power distribution cabinet integrates a portable lighting transformer, providing multi-level voltage output, and uses the cable reel for rapid cable winding and unwinding. The intelligent camera is aligned with the lighting direction and has a violation detection alarm function. The movable outriggers provide stable parking, and explosion-proof tires and electric power assist enhance mobility safety. This utility model solves the problems of inconvenient movement of power distribution equipment, complex cable management, and poor coordination between monitoring and lighting in tunnel construction, offering advantages of high efficiency, safety, and intelligence.

Description

Technical Field

[0001] This utility model relates to the technical field of power distribution equipment for tunnel construction, specifically a multifunctional mobile power distribution device for tunnel construction. Background Technology

[0002] During tunnel construction, there are many types of electrical equipment used, such as construction lighting, welding, manual and electric tools, and video surveillance. These equipment need to be moved and rewired frequently depending on the different tasks. Some lighting power needs to be converted to safe voltage. Ordinary distribution cabinets are inconvenient to move, and the wiring is troublesome. The wiring is also quite complicated, which can easily cause safety hazards during frequent operations.

[0003] 1. Prior art document CN110932134A discloses a portable power supply device for a drilling and blasting support trolley. Its protected scope includes: "a housing comprising a power distribution room and a lighting transformer room. The side wall of the power distribution room is equipped with an incoming main power aviation socket and several outgoing aviation sockets. The power distribution room has a panel for installing switches, including a main switch and several branch switches mounted on the panel. The lighting transformer room contains a lighting transformer. The incoming main power aviation socket is electrically connected to the main switch, and the main switch is connected in parallel with several branch switches. Each branch switch is electrically connected to an outgoing aviation socket. One branch switch is electrically connected to the input terminal of the lighting transformer, and the output terminal of the lighting transformer is electrically connected to an outgoing aviation socket. This invention greatly reduces the electrical safety risks during underground tunnel excavation, avoids mass casualty accidents, and is safe to use, reliable in wiring, flexible in operation, and easy to move." However, it lacks monitoring functionality, is not safe enough, lacks a storage device, and lacks detailed management of multi-voltage outputs.

[0004] 2. Prior art document CN119466987A discloses a mobile monitoring device for tunnel excavation, which protects the following: "It includes a trolley, a power distribution box mounted on the trolley, a support vertically mounted on the trolley, a lighting unit mounted on top of the support, a monitoring unit horizontally mounted on top of the support, and a detachable wireless unit mounted on the support. In this application, the power distribution box, lighting unit, and monitoring unit are integrated and mounted on a mobile trolley. After installation, the trolley can be pushed to any location within the tunnel, facilitating maximum lighting. The monitoring unit on the trolley is close to the working face and can be remotely monitored, pushed, and operated via a matching wireless device. This invention has the advantages of sufficient lighting and adequate monitoring of the working face." However, it cannot support multi-voltage output or cable management, and its monitoring function is relatively basic.

[0005] Therefore, there is an urgent need for a multifunctional mobile power distribution device for tunnel construction to solve the above problems. Summary of the Invention

[0006] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a multifunctional mobile power distribution device for tunnel construction, so as to solve the problems mentioned in the background art.

[0007] To solve the aforementioned technical problems, the present invention adopts the following technical solution: a multi-functional mobile power distribution device for tunnel construction, comprising a wheeled frame, the wheeled frame mainly comprising explosion-proof wheels and a support platform, the support platform having a handle on one side and retractable outriggers on the other side; a lighting fixture is installed above the side of the support platform with the handle, the lighting fixture's illumination direction being fixed directly in front of the wheeled frame; a cable reel for cable winding is located below the support platform, and a power distribution cabinet is installed on the upper surface of the support platform, the power distribution cabinet integrating a portable lamp transformer and providing three voltage output interfaces: 380V, 220V, and 36V; an inlet interface is located on one side of the power distribution cabinet, and several outlet interfaces are located on both sides of the power distribution cabinet, including 380V industrial plugs, 220V industrial plugs, and 36V safety voltage plugs, distinguished by different colors; an intelligent monitoring camera is installed on the top of the power distribution cabinet, and a cabinet door is located on the rear side wall of the power distribution cabinet, with a heat dissipation window on the upper part of the cabinet door; the camera has a violation operation identification function and is aligned with the direction of the lighting fixture.

[0008] Preferably, one end of the cable of the reel is connected to the inlet interface via an industrial plug, and the other end is connected to the upstream power distribution equipment, and the reel is equipped with an automatic winding and unwinding locking mechanism.

[0009] Preferably, the movable outriggers are connected to the bottom of the wheeled frame via a hinge structure. When moving, they are retracted to be flush with the bottom of the wheeled frame, and when parked, they are extended to stabilize the vehicle body. The bottom of the movable outriggers is equipped with anti-slip rubber pads.

[0010] Preferably, the lamp transformer is directly connected to the 36V safety voltage plug, and the output terminal of the 36V interface is equipped with an independent leakage protection switch.

[0011] Preferably, the intelligent monitoring camera has a built-in AI recognition module that can automatically identify construction workers not wearing safety helmets or engaging in illegal operations and trigger an audible and visual alarm.

[0012] Preferably, the explosion-proof wheel uses a solid rubber tire, and the wheel axle is connected to a DC motor at the bottom of the wheel frame via a chain. The motor is powered by a 36V power supply from the power distribution cabinet, and the assist intensity is controlled by a speed control knob.

[0013] Preferably, both the incoming and outgoing interfaces of the power distribution cabinet use aviation sockets, and each interface corresponds to an independent circuit breaker and grounding busbar.

[0014] Preferably, the lighting fixture is a 2000W LED fixture, and it is fixedly connected to the wheel frame by a rigid bracket to avoid the lighting direction shifting due to vibration.

[0015] Preferably, the top of the wheeled vehicle frame is equipped with an audible and visual alarm, which is linked to an intelligent monitoring camera and automatically lights up after the alarm is triggered.

[0016] Preferably, the outer surface of the distribution cabinet is covered with a heat-insulating coating, and a temperature sensor is installed inside. When the temperature exceeds a set threshold, the cooling fan is automatically activated. The cooling fan is located inside the heat dissipation window.

[0017] The present invention has the following beneficial effects:

[0018] 1. This utility model integrates power distribution, lighting, and monitoring, reducing redundant equipment configuration, improving construction efficiency, and meeting different power needs through multi-voltage output management, thus avoiding chaotic temporary wiring.

[0019] 2. The explosion-proof wheels and electric power assist of this utility model can adapt to the complex terrain of tunnels, reduce the difficulty of the work of technicians, and the movable outriggers ensure stable parking and easy movement, thus enhancing the mobility and stability of the equipment.

[0020] 3. The cable reel provided in this utility model enables rapid cable winding and unwinding, avoiding damage from dragging;

[0021] 4. This utility model introduces intelligent security monitoring, which can automatically identify violations and issue alarms while performing monitoring functions, thereby reducing the risk of human oversight.

[0022] 5. In this utility model, the lighting and monitoring directions are fixed to ensure that there are no blind spots in the monitoring;

[0023] 6. This utility model enables rapid movement and plug-and-play design, reducing equipment deployment time and helping the mechanism reduce the intensity of manual pushing. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the left side structure of this utility model.

[0025] Figure 2 This is a schematic diagram of the right side of the present invention;

[0026] Figure 3 This is a rear view of the present invention;

[0027] Figure 4 This is a sectional view of the power distribution cabinet of this utility model;

[0028] Figure 5 This is a schematic diagram of the rear cabinet door of this utility model being opened. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0030] See Figures 1 to 5 A multi-functional mobile power distribution device for tunnel construction includes a wheeled frame 1, which mainly comprises explosion-proof wheels 1.1 and a support platform 1.2. The support platform 1.2 has a handle 2 on one side and retractable outriggers 3 on the other side. A lighting fixture 4 is installed above the side of the support platform 1.2 with the handle 2, and the lighting fixture 4 is fixed to illuminate the front of the wheeled frame 1. A cable reel 5 for cable winding is located below the support platform 1.2, and a power distribution cabinet 7 is installed on the upper surface of the support platform 1.2, integrating a power distribution unit. The lamp transformer 10 provides three voltage output interfaces: 380V, 220V, and 36V. The distribution cabinet 7 has an inlet interface 6 on one side and several outlet interfaces 8 on both sides. The outlet interfaces 8 include 380V industrial plugs, 220V industrial plugs, and 36V safety voltage plugs, distinguished by different colors. The top of the distribution cabinet 7 is equipped with an intelligent monitoring camera 9, and the rear side wall of the distribution cabinet 7 has a cabinet door 7.1 with a ventilation window 7.2 on the upper part. The camera 9 has a violation operation identification function and is aligned with the direction of the lighting fixture 4.

[0031] Preferably, one end of the cable of the reel 5 is connected to the inlet interface 6 via an industrial plug, and the other end is connected to the upstream power distribution equipment. The reel 5 is equipped with an automatic winding and unwinding locking mechanism. The spring-driven reel of the reel 5 achieves unidirectional rotation winding through a ratchet mechanism. The electromagnetic locking device 5.3 is triggered by the control panel 7.5 inside the distribution cabinet 7. After being pressed, the reel position is fixed by a magnetic buckle. An industrial spring-driven reel of model RC-550 can be used, equipped with an electromagnetic locking device of model Reelcraft EL-200.

[0032] Preferably, the movable outrigger 3 is connected to the bottom of the wheel frame 1 via a hinge structure. When moving, it is retracted to be flush with the bottom of the wheel frame 1, and when parked, it is extended to stabilize the vehicle body. The bottom of the movable outrigger 3 is provided with an anti-slip rubber pad 3.1.

[0033] Preferably, the lamp transformer 10 is directly connected to the 36V safety voltage plug, and the output terminal of the 36V interface is equipped with an independent leakage protection switch.

[0034] Preferably, the intelligent monitoring camera 9 has a built-in intelligent recognition module that can automatically identify construction workers not wearing safety helmets or engaging in illegal operations and trigger an audible and visual alarm. The image processing chip of the intelligent monitoring camera 9 has a built-in convolutional neural network algorithm. By comparing with a preset safety standard library, it identifies construction workers not wearing safety helmets or engaging in illegal operations, and triggers the audible and visual alarm to issue an alarm signal through the RS485 communication module. The accessory can be a Hikvision AI camera of model DS-2CD6825G0-IZS, which has a built-in TensorFlow Lite algorithm chip and is connected to the power distribution cabinet control module through an RS485 bus. The audible and visual alarm 11 can be a model WLS 240 alarm.

[0035] Preferably, the explosion-proof wheel 1.1 is made of solid rubber tire, and the axle 1.6 is connected to the DC motor 1.4 at the bottom of the wheel frame 1 via a chain 1.3. The DC motor 1.4 is powered by the 36V power supply of the power distribution cabinet 7 and the assist intensity is controlled by the speed control knob 1.5.

[0036] Preferably, the incoming terminal interface 6 and the outgoing terminal interface 8 of the power distribution cabinet 7 both use aviation sockets, and each interface corresponds to an independent circuit breaker and grounding busbar.

[0037] Preferably, the lighting fixture 4 is a 2000W LED fixture, and it is fixedly connected to the wheel frame 1 by a rigid bracket to avoid the lighting direction from shifting due to vibration.

[0038] Preferably, the top of the wheeled vehicle frame 1 is equipped with an audible and visual alarm 11, which is linked with the intelligent monitoring camera 9 and automatically lights up after the alarm is triggered.

[0039] Preferably, the outer surface of the distribution cabinet 7 is covered with a heat-insulating coating, and a temperature sensor 7.4 is installed inside. When the temperature exceeds a set threshold, the cooling fan is automatically activated. The cooling fan 7.3 is located inside the heat dissipation window 7.2. The outer surface of the distribution cabinet can be coated with a high-temperature resistant ceramic coating of model Cerakote H-300, and a temperature sensor of model T6613 is installed inside. For example, when the set temperature does not exceed 60°C, the cooling fan is activated when the temperature exceeds 60°C.

[0040] Example:

[0041] Movement and positioning: Push handle 2 to move the device to the construction area, adjust the electric assist intensity by adjusting the speed knob 1.4, and when parking, manually lower the movable outrigger 3 to ensure that the anti-slip rubber pad 3.1 is in contact with the ground;

[0042] Cable connection and power supply: Pull out the cable from the reel 5, connect the industrial plug at the inlet end to the upstream power distribution equipment, insert the other end into the inlet interface 6 of the power distribution cabinet, and press the main switch 7.2 of the power distribution cabinet to supply power;

[0043] Equipment power distribution: Connect high-power equipment such as welding machines to the 380V red aviation socket, small tools to the 220V yellow socket, and safety lighting to the 36V green socket;

[0044] Lighting and monitoring: The lighting fixtures 4 turn on automatically, and the lighting direction is synchronized with the intelligent monitoring camera 9. The intelligent monitoring camera 9 monitors the construction surface in real time and triggers the sound and light alarm 11 when it detects violations such as not wearing a safety helmet.

[0045] Reeling in and moving: After construction is completed, press the cable reel locking button to release the cable. The spring drives the reel to automatically reel in the cable, retract the movable support leg 3, and push the handle 2 to move to the next work position.

[0046] The working principle of this embodiment is as follows:

[0047] Power distribution system: The upstream power distribution equipment is connected to the incoming terminal interface 6 via cable, and is converted to three voltages of 380V, 220V and 36V by the lamp transformer 10, and then output to different electrical equipment through the aviation socket 8;

[0048] Lighting system: 4 2000W lighting fixtures with fixed illumination direction to ensure sufficient light in the construction area and synchronize with the viewing angle of 9 monitoring cameras;

[0049] Monitoring system: 9 intelligent monitoring cameras capture construction footage in real time, and use algorithms to identify violations and trigger audible and visual alarms;

[0050] Mobility system: Explosion-proof wheels 1.1 and electric power assist mechanism enable flexible movement, while movable outriggers 3 ensure parking stability;

[0051] Heat dissipation and safety protection: Temperature sensors monitor the internal temperature of the distribution cabinet and automatically start the cooling fan when the temperature exceeds the limit; leakage protection switches and grounding bars ensure electrical safety.

[0052] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A multifunctional mobile power distribution device for tunnel construction, comprising a wheeled chassis, characterized in that: The wheeled frame mainly includes wheels and a load-bearing platform. The load-bearing platform has a handle on one side and retractable outriggers on the other. A lighting fixture is installed above the side of the load-bearing platform with the handle, and the lighting is fixed to illuminate the front of the wheeled frame. A cable reel for cable winding is located on the side of the load-bearing platform. A power distribution cabinet is installed on the upper surface of the load-bearing platform, integrating a portable lamp transformer and providing 380V, 220V, and 36V voltage output interfaces. An inlet interface is located on one side of the power distribution cabinet, and several outlet interfaces are located on both sides, including 380V industrial plugs, 220V industrial plugs, and 36V safety voltage plugs, distinguished by different colors. An intelligent monitoring camera is installed on the top of the power distribution cabinet, and a cabinet door is located on the rear side wall of the cabinet, with a ventilation window at the top of the door. The camera has a violation detection function and is aligned with the direction of the lighting fixture.

2. The multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: One end of the cable on the reel is connected to the inlet interface via an industrial plug, and the other end is connected to the upstream power distribution equipment. The reel is also equipped with an automatic winding and unwinding locking mechanism.

3. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The movable outriggers are connected to the bottom of the wheeled frame via a hinge structure. When moving, they are folded up to be flush with the bottom of the wheeled frame, and when parked, they are unfolded to stabilize the vehicle. The bottom of the movable outriggers is equipped with anti-slip rubber pads.

4. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The lamp transformer is directly connected to the 36V safety voltage plug, and the output terminal of the 36V interface is equipped with an independent leakage protection switch.

5. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The explosion-proof wheels are made of solid rubber tires. The wheel axle is connected to a DC motor at the bottom of the wheel frame via a chain. The motor is powered by a 36V power supply from the power distribution cabinet, and the assist intensity is controlled by a speed control knob.

6. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The incoming and outgoing interfaces of the power distribution cabinet all use aviation sockets, and each interface corresponds to an independent circuit breaker and grounding busbar.

7. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The lighting fixtures are 2000W LED lights and are fixedly connected to the wheeled frame by a rigid bracket to prevent the lighting direction from shifting due to vibration.

8. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The top of the wheeled vehicle frame is equipped with an audible and visual alarm, which is linked to an intelligent monitoring camera and automatically lights up when the alarm is triggered.

9. A multifunctional mobile power distribution device for tunnel construction according to claim 1, characterized in that: The outer surface of the distribution cabinet is covered with a heat-insulating coating, and a temperature sensor is installed inside. When the temperature exceeds the set threshold, the cooling fan will automatically start. The cooling fan is located inside the heat dissipation window.

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