An energy-saving control device for LED billboards
By designing the pull rope and extension component structure of the energy-saving control device for LED billboards, the problems of cumbersome emergency power-off operation and safety hazards of LED billboards were solved, achieving rapid power-off and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG COMMERCIAL GRP CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-06-30
AI Technical Summary
Existing LED billboards are cumbersome to operate during emergency power outages, especially at heights where they pose safety hazards, and the inability to quickly cut off power leads to delays in handling the situation.
An energy-saving control device for LED billboards was designed. Through the cooperation of pull rope and extension components inside the cabinet, the position of the pull ring can be flexibly adjusted, which facilitates quick power cut-off in emergency situations. The device includes a combination structure of cabinet, air switch, lever, protective door, pull rope, stud, nut, connecting ring, movable rod, fixed cylinder, connecting rod and limit component.
It enables rapid power cut-off in emergency situations, improves operational flexibility and safety, reduces safety hazards, and ensures rapid circuit protection.
Smart Images

Figure CN224438256U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of power control technology, specifically relating to an energy-saving control device for LED billboards. Background Technology
[0002] As an important medium for urban lighting and commercial advertising, the energy consumption of LED billboards is receiving increasing attention. Efficient energy-saving control not only reduces operating costs but also decreases carbon emissions, aligning with the concept of green development. The control method for LED billboards typically involves using a power distribution cabinet to control their start-up and shutdown times, avoiding energy waste.
[0003] Since power distribution cabinets are usually installed on walls or in high places, in case of an emergency, if it is necessary to disconnect the power, the operator must first open the cabinet door and check the corresponding circuit breaker before accurately disconnecting the power. Secondly, if the power distribution cabinet is located high, the operator also needs to use ladders, stools, etc. to raise it, which will take a lot of time and prevent the power from being disconnected immediately, which may further lead to safety hazards. Utility Model Content
[0004] The purpose of this invention is to provide an energy-saving control device for LED billboards, which can achieve rapid power-off processing and adjust the usage mode of the power-off structure according to the installation location of the power distribution cabinet, thus offering high flexibility.
[0005] The specific technical solution adopted by this utility model is as follows:
[0006] An energy-saving control device for LED billboards includes a cabinet. Multiple air switches are installed inside the cabinet cavity, each air switch is equipped with a lever. A protective door is installed on the front side wall of the cabinet. A pre-drilled hole is provided on the side wall of the lever, and a first pull rope is installed within the pre-drilled hole. Several fixed cylinders are fixedly connected to the bottom surface of the cabinet, extending into the cabinet cavity. A movable rod is movably connected within each fixed cylinder. The bottom end of the first pull rope is fixedly connected to the top end of the movable rod. A connecting rod is detachably connected to the bottom end of the movable rod, and a pull ring is fixedly connected to the bottom end of the connecting rod. An extension assembly is provided between the movable rod and the connecting rod.
[0007] Furthermore, a stud is provided in the reserved hole, and nuts are threaded to the sidewalls of the stud on both sides of the lever. A connecting ring is fixedly connected to the bottom end of the stud, and the first pull rope is fixedly connected to the connecting ring.
[0008] Furthermore, the extension component includes a storage groove formed on the bottom end face of the movable rod, a second pull rope is fixedly connected to the top surface of the storage groove, the other end of the second pull rope is fixedly connected to the top end of the connecting rod, and a limit component is provided on the side wall of the connecting rod.
[0009] Furthermore, the connecting rod is threadedly connected to the side wall of the receiving groove.
[0010] Furthermore, the limiting component includes a mounting plate, an arc-shaped plate is fixedly connected to the side wall of the mounting plate, and the connecting rod is located inside the arc-shaped plate and movably connected to it.
[0011] Furthermore, the connecting rod and the side wall of the arc-shaped plate are respectively provided with a first insertion hole, and a first cotter pin is inserted into the first insertion hole.
[0012] Furthermore, the fixed cylinder and the movable rod are respectively provided with a second insertion hole, and a second cotter pin is inserted into the second insertion hole.
[0013] The technical effects achieved by this utility model are as follows:
[0014] This utility model discloses an energy-saving control device for LED billboards. Through the cooperation of the cabinet, the first pull rope, the second pull rope, and the extension components, the position of the pull ring can be controlled according to the height of the cabinet after installation, so that power can be cut off immediately in the event of an emergency, which has high practicality. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a cross-sectional structural schematic diagram of the connecting rod of this utility model;
[0017] Figure 3 This is a partial disassembled structural diagram of the present invention;
[0018] Figure 4 This is a schematic diagram of the structure of the second pull rope after extension;
[0019] Figure 5 This is a schematic diagram of the structure of the limiting component of this utility model;
[0020] Figure 6 This is a utility model Figure 3 Enlarged view of point A in the image;
[0021] Figure 7 This is a utility model Figure 2 Enlarged view of point B in the image.
[0022] The attached diagram lists the components represented by each number as follows:
[0023] 1. Cabinet; 2. Air switch; 3. Safety door; 4. Lever; 5. First pull cord; 6. Stud; 7. Nut; 8. Connecting ring; 9. Movable rod; 10. Fixed cylinder; 11. Second socket; 12. Second cotter pin; 13. Connecting rod; 14. Pull ring; 15. Storage slot; 16. Second pull cord; 17. Mounting plate; 18. Curved plate; 19. First socket; 20. First cotter pin. Detailed Implementation
[0024] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.
[0025] like Figures 1-7 As shown, an energy-saving control device for LED billboards includes a cabinet 1. Multiple air switches 2 are installed inside the cabinet 1, and levers 4 are mounted on the air switches 2. A protective door 3 is installed on the front side wall of the cabinet 1. A pre-drilled hole is provided on the side wall of the lever 4, and a first pull rope 5 is installed in the pre-drilled hole. Several fixed cylinders 10 are fixedly connected to the bottom surface of the cabinet 1, extending into the cabinet 1. A movable rod 9 is movably connected inside the fixed cylinder 10. The bottom end of the first pull rope 5 is fixedly connected to the top end of the movable rod 9. A connecting rod 13 is detachably connected to the bottom end of the movable rod 9, and a pull ring 14 is fixedly connected to the bottom end of the connecting rod 13. An extension assembly is provided between the movable rod 9 and the connecting rod 13.
[0026] like Figure 2 and Figure 6 As shown, a stud 6 is installed in the reserved hole. Nuts 7 are threadedly connected to the side walls of the stud 6 on both sides of the lever 4. A connecting ring 8 is fixedly connected to the bottom end of the stud 6. The first pull rope 5 is fixedly connected to the connecting ring 8. The reserved hole on the lever 4 can be drilled later or reserved during production. The stud 6 facilitates the connection of the first pull rope 5 and also facilitates disassembly or replacement later.
[0027] like Figure 2 and Figure 4 As shown, the extension component includes a storage groove 15 opened on the bottom end face of the movable rod 9. A second pull rope 16 is fixedly connected to the top surface of the storage groove 15. The other end of the second pull rope 16 is fixedly connected to the top end of the connecting rod 13. A limit component is provided on the side wall of the connecting rod 13.
[0028] When the distribution cabinet is installed high on the wall, the connecting rod 13 can be unscrewed to extend the length of the pull ring 14 by unfolding the second pull rope 16. The length of the second pull rope 16 can be adjusted according to actual needs. In the folded state, it can be placed in the storage slot 15 in a wrapped manner.
[0029] like Figure 7 As shown, the connecting rod 13 is threaded to the side wall of the storage slot 15. The threaded connection not only provides a convenient connection but also seals the storage slot 15. The threaded connection has good sealing performance and can effectively prevent rainwater erosion.
[0030] like Figure 5 As shown, the limiting component includes a mounting plate 17, with an arc-shaped plate 18 fixedly connected to the side wall of the mounting plate 17. A connecting rod 13 is located inside the arc-shaped plate 18 and is movably connected to it. The arc-shaped plate 18 is made of flexible metal or flexible plastic, possessing good resilience. After extending the pull ring 14, to ensure the stability of the pull ring 14, the mounting plate 17 can be fixed in the corresponding position, and then the connecting rod 13 can be inserted into the arc-shaped plate 18 to achieve the purpose of storage and limiting.
[0031] like Figure 5 As shown, the connecting rod 13 and the side wall of the arc plate 18 are respectively provided with a first insertion hole 19, and a first cotter pin 20 is inserted into the first insertion hole 19.
[0032] like Figure 2 As shown, the fixed cylinder 10 and the movable rod 9 are respectively provided with a second insertion hole 11, and a second cotter pin 12 is inserted into the second insertion hole 11.
[0033] The first cotter pin 20 and the second cotter pin 12 both serve as protective measures for the pull ring 14, preventing the pull ring 14 from being accidentally pulled during daily use. This structure is similar in principle to a fire extinguisher, ensuring safety during daily use.
[0034] The working principle of this utility model is as follows: First, adjust the position of the pull ring 14 according to the installation height of the cabinet 1. When the installation position of the cabinet 1 is low, directly insert the stud 6 into the reserved hole and tighten the nut 7 to fix it.
[0035] When the cabinet 1 is installed at a high position, first fix the mounting plate 17 to a suitable position on the wall, then rotate the connecting rod 13 to disengage it from the movable rod 9, then use the second pull rope 16 to extend the length of the pull ring 14, and then lock the connecting rod 13 inside the arc plate 18 for limiting. In the initial state, the first cotter pin 20 and the second cotter pin 12 are both inserted into the first socket 19 and the second socket 11.
[0036] In case of an emergency, the operator only needs to forcefully pull out the first cotter pin 20 or the second cotter pin 12, and then directly pull the pull ring 14 to drive the second pull rope 16 or the movable rod 9 to descend through the connecting rod 13. The movable rod 9 drives the lever 4 to descend through the first pull rope 5, thereby disconnecting the circuit of the air switch 2 and achieving the function of circuit protection.
[0037] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.
Claims
1. An energy-saving control device for LED billboards, comprising a cabinet (1), wherein a plurality of air switches (2) are installed in the inner cavity of the cabinet (1), a lever (4) is installed on the air switch (2), and a protective door (3) is installed on the front side wall of the cabinet (1), characterized in that: The lever (4) has a reserved hole on its side wall. A first pull rope (5) is installed in the reserved hole. Several fixed cylinders (10) are fixedly connected to the bottom surface of the cabinet (1). The fixed cylinders (10) extend into the cabinet (1). A movable rod (9) is movably connected inside the fixed cylinder (10). The bottom end of the first pull rope (5) is fixedly connected to the top end of the movable rod (9). A connecting rod (13) is detachably connected to the bottom end of the movable rod (9). A pull ring (14) is fixedly connected to the bottom end of the connecting rod (13). An extension component is provided between the movable rod (9) and the connecting rod (13).
2. The LED billboard energy saving control device of claim 1, wherein: A stud (6) is provided in the reserved hole. Nuts (7) are threadedly connected to the side wall of the stud (6) on both sides of the lever (4). A connecting ring (8) is fixedly connected to the bottom end of the stud (6). The first pull rope (5) is fixedly connected to the connecting ring (8).
3. The LED billboard energy saving control device of claim 1, wherein: The extension assembly includes a storage groove (15) opened on the bottom end face of the movable rod (9), a second pull rope (16) is fixedly connected to the top surface of the storage groove (15), the other end of the second pull rope (16) is fixedly connected to the top end of the connecting rod (13), and a limit assembly is provided on the side wall of the connecting rod (13).
4. The LED billboard energy saving control device of claim 1, wherein: The connecting rod (13) is threaded to the side wall of the storage groove (15).
5. The LED billboard energy saving control device of claim 3, wherein: The limiting component includes a mounting plate (17), an arc-shaped plate (18) is fixedly connected to the side wall of the mounting plate (17), and the connecting rod (13) is located inside the arc-shaped plate (18) and is movably connected to it.
6. The LED billboard energy saving control device of claim 5, wherein: The connecting rod (13) and the side wall of the arc plate (18) are respectively provided with a first insertion hole (19), and a first cotter pin (20) is inserted into the first insertion hole (19).
7. The LED billboard energy saving control device of claim 1, wherein: The fixed cylinder (10) and the movable rod (9) are respectively provided with a second insertion hole (11), and a second cotter pin (12) is inserted into the second insertion hole (11).