LED lifesaving lighting wire coil and control method thereof

Abstract

The invention discloses an LED lifesaving lighting wire coil and a control method thereof.The LED lifesaving lighting wire coil comprises a wire coil support used for installing and fixing the whole wire coil, a winding roll assembly is detachably and rotatably installed on the wire coil support and used for winding and unwinding a lighting wire harness wound on the outer wall, and a communication assembly is detachably installed on one side of the wire coil support and used for communicating with the winding roll assembly. The wire coil assembly is detachably installed on the outer wall of the wire coil assembly and electrically connected with the lighting wire harness wound on the outer wall of the wire coil assembly so as to guarantee signal stability in work, and the operation panel is detachably installed on the end face of the wire coil assembly and used for conducting power source on-off operation on the whole wire coil. The LED lamp is arranged in the wire harness on the wire coil, so that the wire harness can play a lighting role in the use process of optical fiber transmission signals, rescue workers can conveniently guide crowds to be rapidly evacuated during rescue, a wireless and wired mixed communication mode is adopted, the communication blind area in a complex building can be covered, and the communication efficiency is improved. And the personal safety of workers is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of life-saving lighting cable drum applications, and in particular to an LED life-saving lighting cable drum and a control method thereof. Background Art

[0002] When a fire occurs in a building, the existing building materials will produce a lot of smoke. In addition, the fire situation is complicated. The existing wall fire emergency lights cannot accurately evacuate the affected people according to the different fire conditions on site. This requires firefighters to effectively guide the people in the fire and let them escape quickly from a safe route.

[0003] When using the existing fire-fighting life-saving line reel, it needs to be used in different complex buildings. Different high-rise buildings may have certain areas where the signal cannot be covered, and the traditional communication network may be interfered during use, causing the signal to be cut off or intermittent during the life-saving process. The stability of communication cannot be guaranteed, thereby delaying the rescue time of firefighters. Therefore, the present invention proposes an LED life-saving lighting line reel and a control method thereof. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an LED life-saving lighting cable reel and a control method thereof. The wiring harness on the cable reel is equipped with an LED light so that it can illuminate the area during the use of optical fiber transmission signals, making it convenient for rescue personnel to guide the crowd to evacuate quickly during rescue. A hybrid wireless and wired communication method is adopted so that it can cover the communication blind spots inside complex buildings and ensure the personal safety of the staff.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide an LED life-saving lighting cable reel, including a cable reel bracket, which is used to install and fix the entire cable reel; A wire reel assembly, which is detachably rotatably mounted on a wire reel bracket and is used to retract and release the lighting wire harness wound on the outer wall; A communication component, which is detachably mounted on one side of the cable drum bracket and is electrically connected to the lighting harness wound up on the outer wall of the cable drum assembly to ensure signal stability during operation; An operation panel, which is detachably mounted on the end surface of the cable reel assembly and is used to turn the power on and off of the entire cable reel; The connecting frame is bolted to the inside of the cable reel assembly and is bolted to the operation panel to stably fix the operation panel on the end surface of the cable reel assembly.

[0006] The present invention is further configured as follows: a wire harness connection port is provided at a middle position of the wire reel bracket, and is electrically connected to an inner end surface of the lighting wire harness.

[0007] Through the above technical solution, multiple cable reel components can be conveniently electrically connected and fixed to each other, thereby maintaining stable communication inside the building.

[0008] The present invention is further configured as follows: an auxiliary handle is fixedly connected to the side wall of the wire drum bracket near the top, a plurality of grip grooves are provided on the top inner wall of the wire drum bracket, and protective pads are provided at two supporting points at the bottom of the wire drum bracket.

[0009] Through the above technical solution, the entire wire drum bracket can be easily carried using the handle groove, and the bottom protective pad can be used to protect the bottom of the wire drum bracket to prevent wear caused by long-term use.

[0010] The present invention is further configured as follows: the cable reel assembly includes a winding reel, a positioning sleeve extends from the middle position of the cable reel bracket, the middle position of the winding reel is sleeved on the outer wall of the positioning sleeve, and is rotatably connected thereto through a bearing, and a clamp is engaged and connected to the outer wall of the positioning sleeve near the end face.

[0011] Through the above technical solution, it is convenient to sleeve the winding drum onto the positioning sleeve of the reel bracket, and use a clamp to limit and fix it, so as to facilitate stability during the rotation operation.

[0012] The present invention is further configured as follows: a driving handle is detachably installed on the end face of the winding drum near the outer wall, a plurality of reinforcement plates are evenly fixedly connected to the inner wall of the winding drum in the circumferential direction, the end faces of the plurality of reinforcement plates are fixedly connected to connecting columns, and are bolted to the connecting frame through the connecting column, wherein lithium batteries are placed on the opposite surfaces of the two reinforcement plates, and a wiring harness through-hole is opened in the middle of the outer wall of the winding drum.

[0013] Through the above technical solution, it is convenient to use the driving handle to rotate the entire reel on the reel bracket, so as to retract and release the lighting harness, and use the built-in lithium battery to continuously power the entire device. At the same time, the harness perforation opened on the reel facilitates the external lighting harness to extend to the interior of the reel.

[0014] The present invention is further configured as follows: the communication component includes a mounting frame bolted to a cable drum bracket, a relay gateway is bolted to a side wall of the mounting frame, the relay gateway is wirelessly connected to an external communication gateway, and an intercom is arranged on the side wall of the mounting frame near the relay gateway.

[0015] Through the above technical solution, it is convenient to utilize external communication gateways, relay gateways and walkie-talkies to facilitate fire rescue personnel to maintain stable communications, so that they can understand the rescue situation in a timely manner.

[0016] The present invention is further configured as follows: the relay gateway has a built-in audio processing module, an audio broadcasting module and a power carrier module, the relay gateway is provided with a cascade interface near the corners, the side wall of the relay gateway is provided with a wire tray interface near the bottom, and is electrically connected to the lighting harness through the wire tray interface, a walkie-talkie interface is installed near the middle of the side wall of the relay gateway, and is electrically connected to the walkie-talkie through a connecting line, and a handle is fixedly connected to the top of the relay gateway.

[0017] Through the above technical solution, multiple cable reel components can be electrically connected using the cascade interface, so that the internal relay gateway signal can remain unobstructed, and the walkie-talkie interface can be used to connect the walkie-talkie using a connecting line, which facilitates stable and smooth signals, and the entire relay gateway can be disassembled and moved later using a handle.

[0018] The present invention is further configured as follows: the operation panel includes an outer plate, the back of the outer plate is bolted to a control plate, the control plate is provided with an external interface extending from the outer plate, and the control plate is electrically connected to a plurality of operation buttons.

[0019] Through the above technical solution, the control panel can be stably installed and fixed through the outer plate, and the lighting harness can be illuminated using multiple internal operation buttons, while the entire device can be powered on.

[0020] The present invention is further configured as follows: the connecting frame is configured as an open disc and is evenly provided with a plurality of mounting waist holes.

[0021] Through the above technical solution, it is convenient to stably install the operation panel on the end surface of the winding reel through the connecting frame.

[0022] On the other hand, a control method for an LED life-saving lighting reel is provided, comprising the following steps: S1. First, multiple cable reel assemblies to be used are placed and fixed in position by a cable reel bracket, and multiple cable reel assemblies are electrically connected by a wire harness through a cable reel interface; S2. Secondly, the LED light built into the wiring harness is turned on by pressing the operation button on the operation panel, and power is provided to the entire device; S3, then start the relay gateway, and use the relay gateway to realize the communication between the intercoms in multiple groups. The specific steps are as follows: S31, the rescuer presses the intercom button on intercom A1, wirelessly sends an analog audio signal to intercom A, and after intercom A receives the analog audio signal, it sends it to the relay gateway via wired connection; S32, after receiving the analog audio signal, the audio processing module inside the relay gateway performs signal conversion, converts the analog signal into a digital audio signal, adjusts the audio gain, and identifies whether the audio is valid audio; S33, the audio broadcast module then receives the digital audio signal, and after the DSP inside the audio broadcast module processes the noise, it uses the power carrier module to perform in-network broadcast distribution; S34, then the digital audio signal is sent to the external communication gateway through the lighting harness on the reel, and the communication gateway reverses the above process, converts the digital signal into an analog signal and sends it out through intercom B. At this time, intercom B1 receives the voice sent by intercom A1; Among them, intercom A1 and intercom A are on the same channel, intercom B and intercom B1 are on another same channel, intercoms in intercom group A can communicate with each other, and intercoms in intercom group B can communicate with each other. After connecting to the relay gateway and communication gateway, all intercoms in intercom group A and intercom group B can communicate with each other; S4. Finally, the drive handle on the reel drives the reel to rotate on the reel bracket, thereby cooperating with the staff to pull the lighting harness so that the harness can be quickly released, thereby facilitating the extended use of the lighting harness.

[0023] The beneficial effects of the present invention are as follows: 1. The LED life-saving lighting cable reel and its control method proposed by the present invention have built-in LED lights in the harness on the cable reel, so that it can play a lighting effect during the use of optical fiber transmission signals, which is convenient for rescuers to guide the crowd to evacuate quickly during rescue; 2. The LED life-saving lighting cable reel and control method thereof proposed by the present invention adopts a hybrid wireless and wired communication mode, so that it can cover the communication blind spots inside complex buildings and ensure the personal safety of the staff; 3. The LED life-saving lighting cable reel and its control method proposed in the present invention adopts a combination of multi-network integrated lighting cables, communication gateways and relay gateways, so that they are finally connected to a tablet terminal, thereby achieving the real-time, reliability and convenience of the entire networking; 4. The LED life-saving lighting cable reel and its control method proposed in the present invention increase a relay gateway and utilize the relay gateway's efficient data transmission, strong anti-interference ability and powerful voice processing function characteristics, so that it can effectively resist electromagnetic interference and radio frequency interference in a higher communication transmission process, and supports G.711, G.729, G.723 algorithms, has an echo control mechanism, supports echo cancellation G.168, and can eliminate echoes within 64ms at most, thereby ensuring the stability and reliability of voice calls. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a first structural diagram of an LED life-saving lighting cable reel of the present invention; Figure 2 This is a second structural diagram of an LED life-saving lighting cable reel of the present invention; Figure 3 This is a cross-sectional structural diagram of an LED life-saving lighting cable reel of the present invention; Figure 4 It is a structural diagram of the centerline drum support of the present invention; Figure 5 is a structural diagram of the cable reel assembly of the present invention; Figure 6 is a first structural diagram of the communication component in the present invention; Figure 7 is a second structural diagram of the communication component in the present invention; Figure 8 is a structural diagram of the control panel of the present invention; Fig. 9 It is a structural diagram of the connecting frame in the present invention; Fig.10 The present invention provides a communication flow chart of a relay gateway in a control method of an LED life-saving lighting cable reel.

[0025] In the figure: 1. cable drum bracket; 11. positioning sleeve; 12. clamp; 13. cable harness connector; 14. auxiliary handle; 15. handle groove; 16. protective pad; 2. Cable reel assembly; 21. Winding reel; 22. Driving handle; 23. Reinforcement plate; 24. Connecting column; 25. Lithium battery; 26. Wire harness perforation; 27. Lighting harness; 3. Communication components; 31. Mounting frame; 32. Relay gateway; 33. Cascade interface; 34. Cable tray interface; 35. Intercom interface; 36. Handle; 37. Intercom; 4. Operation panel; 41. Outer panel; 42. Control panel; 43. External interface; 44. Operation button; 5. Connecting frame; 51. Install waist hole. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0027] like Figure 1-Figure 4 As shown, an LED life-saving lighting cable reel and a control method thereof include a cable reel bracket 1 for installing and fixing the entire cable reel. A harness connection port 13 is provided at the middle position of the cable reel bracket 1, and is electrically connected to the inner end surface of the lighting harness 27, so as to facilitate the electrical connection and fixation of multiple cable reel assemblies 2 with each other, so as to maintain stable communication inside the building. An auxiliary handle 14 is fixedly connected to the side wall of the cable reel bracket 1 near the top position, and a plurality of grip grooves 15 are provided on the top inner wall of the cable reel bracket 1. Protective pads 16 are provided at the two supporting points at the bottom of the cable reel bracket 1, so as to facilitate the use of the grip grooves 15 to carry the entire cable reel bracket 1. At the same time, the protective pad 16 at the bottom can be used to protect the bottom of the cable reel bracket 1 to prevent wear caused by long-term use.

[0028] like Figure 3-Figure 5 As shown, the cable reel assembly 2 is detachably rotatably mounted on the cable reel bracket 1, and is used for retracting and releasing the lighting harness 27 wound on the outer wall. The cable reel assembly 2 includes a reel 21, and a positioning sleeve 11 extends from the middle position of the cable reel bracket 1. The middle position of the reel 21 is sleeved on the outer wall of the positioning sleeve 11, and is rotatably connected to it through a bearing, and a clamp 12 is engaged and connected to the outer wall of the positioning sleeve 11 near the end surface, so that the reel 21 can be sleeved on the positioning sleeve 11 of the cable reel bracket 1, and the clamp 12 is used to limit and fix it, which is convenient for stability during rotation operation, and a driving handle is detachably installed on the end surface of the reel 21 near the outer wall. 22, the inner wall of the winding drum 21 is evenly fixedly connected with a plurality of reinforcing plates 23 in the circumferential direction, and the end faces of the plurality of reinforcing plates 23 are fixedly connected with connecting columns 24, and are bolted to the connecting frame 5 through the connecting columns 24, wherein lithium batteries 25 are placed on the opposite surfaces of the two reinforcing plates 23, and a harness through-hole 26 is provided at the middle position of the outer wall of the winding drum 21, so that the entire winding drum 21 can be rotated on the drum bracket 1 using the driving handle 22, so as to retract and release the lighting harness 27, and use the built-in lithium battery 25 to continuously power the entire device, and at the same time, the harness through-hole 26 provided on the winding drum 21 facilitates the external lighting harness 27 to extend to the interior of the winding drum 21.

[0029] like Figure 6 , Figure 7 and Fig.10As shown, the communication component 3 is detachably mounted on one side of the cable drum bracket 1 and is electrically connected to the lighting harness 27 wound up on the outer wall of the cable drum component 2 to ensure signal stability during operation. The communication component 3 includes a mounting frame 31 bolted to the cable drum bracket 1, and a relay gateway 32 is bolted to the side wall of the mounting frame 31. The relay gateway 32 is wirelessly connected to an external communication gateway. The relay gateway 32 has an audio processing module, an audio broadcasting module and a power carrier module built in. A cascade interface 33 is provided near the corner of the relay gateway 32, and a cable drum interface 34 is provided near the bottom of the side wall of the relay gateway 32, which is electrically connected to the lighting harness 27 through the cable drum interface 34. The side wall of the relay gateway 32 is provided near the middle position It is equipped with an intercom interface 35, and is electrically connected to the intercom 37 through a connecting line. A handle 36 is fixedly connected to the top of the relay gateway 32. The cascade interface 33 can be used to electrically connect multiple reel assemblies 2, so that the internal relay gateway 32 signal can be kept unobstructed. The intercom interface 35 can be used to connect the intercom 37 with a connecting line, which is convenient for stable and smooth signals. The handle 36 is used to disassemble and move the entire relay gateway 32 at a later time. An intercom 37 is set on the side wall of the mounting frame 31 near the relay gateway 32, which is convenient for using external communication gateways, relay gateways 32 and intercoms to facilitate fire rescue personnel to maintain stable communication, so that they can understand the rescue situation in time.

[0030] like Figure 8 and Fig. 9 As shown, the operation panel 4 is detachably mounted on the end surface of the cable reel assembly 2, and is used to perform power on and off operations on the entire cable reel. The operation panel 4 includes an outer plate 41, and a control panel 42 is bolted to the back of the outer plate 41. The control panel 42 is provided with an external interface 43 extending from the outer plate 41, and a plurality of operation buttons 44 are electrically connected to the control panel 42, so that the control panel 42 can be stably installed and fixed through the outer plate 41, and the lighting harness 27 can be illuminated using the internal plurality of operation buttons 44, and the entire device can be powered on at the same time. The connecting frame 5 is bolted to the inside of the cable reel assembly 2, and is bolted to the operation panel 4, so as to stably fix the operation panel 4 on the end surface of the cable reel assembly 2, so that the operation panel 4 can be stably installed on the end surface of the winding reel 21 through the connecting frame 5. The connecting frame 5 is set as an open disc, and a plurality of mounting waist holes 51 are evenly opened, so as to reduce the manufacturing cost of the connecting frame 5 and facilitate the reasonable installation of the internal interface.

[0031] like Figure 1-Figure 10 As shown, a control method of an LED life-saving lighting reel comprises the following steps; S1. First, multiple cable reel assemblies 2 to be used are placed and fixed in position by using the cable reel bracket 1, and multiple cable reel assemblies 2 are electrically connected by using the lighting harness 27 through the cable reel interface 34; S2, secondly, the LED lamp built into the lighting harness 27 is lit through the operation button 44 on the operation panel 4, and power is provided to the entire device; S3, then start the relay gateway 32, and use the relay gateway 32 to realize the communication between the intercoms 37 in multiple groups. The specific steps are as follows: S31, the rescuer presses the intercom button on the intercom A1, wirelessly sends an analog audio signal to the intercom A, and after the intercom A receives the analog audio signal, it sends it to the relay gateway 32 via wired connection; S32, the audio processing module inside the relay gateway 32 performs signal conversion after receiving the analog audio signal, converts the analog signal into a digital audio signal, adjusts the audio gain, and identifies whether the audio is valid audio; S33, the audio broadcast module then receives the digital audio signal, and after the DSP inside the audio broadcast module processes the noise, it uses the power carrier module to perform in-network broadcast distribution; S34, then the digital audio signal is sent to the external communication gateway through the lighting harness 27 on the reel 21, and the communication gateway reverses the above process, converts the digital signal into an analog signal and sends it out through intercom B. At this time, intercom B1 receives the voice sent by intercom A1; Among them, intercom A1 and intercom A are on the same channel, intercom B and intercom B1 are on another same channel, intercoms in intercom group A can communicate with each other, and intercoms in intercom group B can communicate with each other. After connecting to the relay gateway 32 and the communication gateway, all intercoms in intercom group A and intercom group B can communicate with each other; S4. Finally, the drive handle 22 on the reel 21 drives the reel 21 to rotate on the reel bracket 1, thereby cooperating with the staff to pull the lighting harness 27 so that the lighting harness 27 can be quickly unwound, thereby facilitating the extended use of the lighting harness 27.

[0032] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An LED life-saving lighting reel, characterized in that: include A cable drum bracket (1), used for installing and fixing the entire cable drum; A wire reel assembly (2), the wire reel assembly (2) being detachably rotatably mounted on the wire reel support (1) and being used for performing a reeling and unreeling operation on the lighting wire harness (27) reeled on the outer wall; A communication component (3), the communication component (3) being detachably mounted on one side of the cable drum support (1) and being electrically connected to the lighting harness (27) wound up on the outer wall of the cable drum component (2), for ensuring signal stability during operation; An operating panel (4), the operating panel (4) being detachably mounted on an end surface of the cable reel assembly (2) and used to perform power on and off operations on the entire cable reel; A connecting frame (5) is bolted to the interior of the cable reel assembly (2) and is also bolted to the operating panel (4) for stably fixing the operating panel (4) at the end surface of the cable reel assembly (2).

2. The LED life-saving lighting reel according to claim 1, characterized in that: A wire harness connection port (13) is provided at the middle of the wire reel bracket (1) and is electrically connected to the inner end surface of the lighting wire harness (27).

3. The LED life-saving lighting reel according to claim 1, characterized in that: An auxiliary handle (14) is fixedly connected to the side wall of the wire drum bracket (1) near the top, a plurality of grip grooves (15) are provided on the top inner wall of the wire drum bracket (1), and protective pads (16) are provided at two supporting points at the bottom of the wire drum bracket (1).

4. The LED life-saving lighting reel according to claim 1, characterized in that: The cable reel assembly (2) comprises a winding reel (21), a positioning sleeve (11) extending from the middle of the cable reel support (1), the middle of the winding reel (21) being sleeved on the outer wall of the positioning sleeve (11) and being rotatably connected thereto via a bearing, and a clamp (12) being snap-fitted and connected to the outer wall of the positioning sleeve (11) near the end surface.

5. The LED life-saving lighting reel according to claim 4, characterized in that: A driving handle (22) is detachably mounted on the end surface of the winding drum (21) near the outer wall, and a plurality of reinforcing plates (23) are evenly fixedly connected to the inner wall of the winding drum (21) in a circumferential direction. The end surfaces of the plurality of reinforcing plates (23) are all fixedly connected to connecting columns (24), and are bolted to the connecting frame (5) via the connecting columns (24), wherein lithium batteries (25) are placed on the opposite surfaces of two reinforcing plates (23), and a wiring harness through hole (26) is provided in the middle of the outer wall of the winding drum (21).

6. The LED life-saving lighting reel according to claim 1, characterized in that: The communication component (3) comprises a mounting frame (31) bolted to a cable drum bracket (1), a relay gateway (32) being bolted to a side wall of the mounting frame (31), the relay gateway (32) being wirelessly connected to an external communication gateway, and an intercom (37) being arranged at a position on the side wall of the mounting frame (31) close to the relay gateway (32).

7. The LED life-saving lighting reel according to claim 6, characterized in that: The relay gateway (32) has an audio processing module, an audio broadcast module and a power carrier module built in. The relay gateway (32) is provided with a cascade interface (33) near a corner. A wire tray interface (34) is provided near the bottom of a side wall of the relay gateway (32), and is electrically connected to a lighting harness (27) via the wire tray interface (34). An intercom interface (35) is installed near the middle of the side wall of the relay gateway (32), and is electrically connected to an intercom (37) via a connecting line. A handle (36) is fixedly connected to the top of the relay gateway (32).

8. The LED life-saving lighting reel according to claim 1, characterized in that: The operation panel (4) comprises an outer plate (41), the back of the outer plate (41) being bolted to a control plate (42), the control plate (42) being provided with an external interface (43) extending out of the outer plate (41), and the control plate (42) being electrically connected to a plurality of operation buttons (44).

9. The LED life-saving lighting reel according to claim 1, characterized in that: The connecting frame (5) is in the form of an open disc and is evenly provided with a plurality of mounting waist holes (51).

10. A control method for an LED life-saving lighting reel according to any one of claims 1 to 9, characterized in that: The steps include: S1. First, a plurality of cable reel assemblies (2) to be used are positioned and fixed using a cable reel bracket (1), and a lighting harness (27) is used to electrically connect the plurality of cable reel assemblies (2) via a cable reel interface (34); S2, secondly, lighting the LED light built into the lighting harness (27) through the operation button (44) on the operation panel (4), and providing power to the entire device; S3, then start the relay gateway (32), and use the relay gateway (32) to realize the communication between the intercoms (37) in multiple groups. The specific steps are as follows: S31, the rescuer presses the intercom button on intercom A1, wirelessly sends an analog audio signal to intercom A, and after intercom A receives the analog audio signal, it sends it to the relay gateway (32) via wired connection; S32, the audio processing module inside the relay gateway (32) performs signal conversion after receiving the analog audio signal, converts the analog signal into a digital audio signal, adjusts the audio gain, and identifies whether the audio is valid audio; S33, the audio broadcast module then receives the digital audio signal, and after the DSP inside the audio broadcast module processes the noise, it uses the power carrier module to perform in-network broadcast distribution; S34, the digital audio signal is then sent to an external communication gateway via the lighting harness (27) on the reel (21), and the communication gateway then reverses the above process, converting the digital signal into an analog signal and sending it out via intercom B. At this time, intercom B1 receives the voice sent by intercom A1; Among them, intercom A1 and intercom A are on the same channel, intercom B and intercom B1 are on another same channel, intercoms in intercom group A can communicate with each other, and intercoms in intercom group B can communicate with each other. After connecting to the relay gateway (32) and the communication gateway, all intercoms in intercom group A and intercom group B can communicate with each other; S4. Finally, the drive handle (22) on the reel (21) drives the reel (21) to rotate on the reel support (1), thereby cooperating with the staff to pull the lighting harness (27), so that the lighting harness (27) can be quickly released and provide rescue guidance.

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