A long-belted vestibule turntable type lighting control device
By using a rotary lighting control device, which utilizes the detection position and photoelectric switch on the rotary table, combined with the entry/exit buttons and electric doors, precise control of the belt conveyor corridor lighting is achieved, solving the problem of energy waste and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANJING MEISHAN METALLURGY DEV
- Filing Date
- 2024-12-17
- Publication Date
- 2026-06-19
AI Technical Summary
Existing technologies cannot effectively solve the problem of precise lighting control in belt conveyor corridors, resulting in wasted electricity, and PLC control equipment is expensive.
A rotary lighting control device is adopted, which realizes automatic lighting control through the detection position and photoelectric switch on the rotary table. Combined with the entrance and exit buttons and electric doors, the number of people in the corridor can be precisely adjusted to control the lighting status.
It achieves precise control of the lighting in the belt conveyor corridor, significantly reduces power consumption, costs only one-tenth of that of PLC control, and requires no programming development.
Smart Images
Figure CN122248610A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a control device, specifically a turntable-type lighting control device for long conveyor belt corridors, belonging to the field of lighting control technology for long conveyor belt corridors. Background Technology
[0002] Belt conveyors are widely used in raw material systems of metallurgical enterprises. Due to environmental protection requirements, belt conveyor corridors are generally enclosed, and the corridor lighting is on 24 hours a day. While workers enter and exit the belt conveyor corridors intermittently, they are mostly empty, resulting in significant energy waste. Is there a method to control the lighting based on the number of workers in the belt conveyor corridor, thereby saving energy? Belt conveyor corridors are often long and narrow, with multiple entrances and exits, and a diverse range of workers (including inspection personnel, equipment maintenance personnel, operators, safety officers, and supervisors). Their entry, exit, and dwell times vary, and workers may not always be able to see each other. Therefore, controlling belt conveyor corridors using methods for controlling room or ordinary factory lighting is impractical. PLCs can be used to control the lighting, but the cost of PLC equipment and system development is high. Therefore, a new solution to this technical problem is urgently needed. Summary of the Invention
[0003] This invention addresses the technical problems existing in the prior art by providing a long belt conveyor corridor turntable lighting control device. This solution envisions a lighting control device that can achieve both energy-saving lighting control and low cost.
[0004] To achieve the above objectives, the technical solution of the present invention is as follows: a turntable-type lighting control device for a long belt conveyor corridor, the control device comprising a base component, a turntable, a turntable shaft, a turntable fixing component, a turntable drive motor, a motor fixing component, a reduction gear, a turntable brake, a brake fixing component, a turntable rotation position detection photoelectric switch, a turntable rotation position detection photoelectric switch transmitter fixing component, a turntable rotation position detection photoelectric switch receiver fixing component, a turntable rotation stop position blocking block, a turntable rotation stop position blocking block fixing component, a lighting control photoelectric switch, a lighting control photoelectric switch transmitter fixing component, a lighting control photoelectric switch receiver fixing component, a turntable rotation stop position, a lighting off position, and a lighting on position. The positional connection relationship between the components is as follows: wherein, the base component is a rectangular metal box, which is the foundation for installing and fixing the components. The turntable shaft passes through the center of the turntable and is welded to it as a single unit. One end of each of the two turntable shaft fixing components is welded to the bottom of the base component, and the other end has a built-in bearing. Both ends of the turntable shaft are fitted onto the built-in bearings of the fixing components. One end of the motor fixing component is welded to the bottom of the base component, and the other end is fixedly connected to the turntable drive motor by bolts. There are two reduction gears: a small gear is fitted onto the motor output shaft and welded to it, and a large gear is fitted onto the turntable shaft and welded to it. The small and large gears mesh together. One end of the brake fixing component is welded to the bottom of the base component, and the other end is fixedly connected to the turntable brake by bolts. One end of the turntable rotation position detection photoelectric switch transmitter fixing component is welded to the side of the base component, and the other end is fixedly connected to the turntable rotation position detection photoelectric switch transmitter by bolts. One end of the turntable rotation position detection photoelectric switch receiver fixing component is welded to the other side of the base component, and the other end is fixedly connected to the turntable rotation position detection photoelectric switch receiver by bolts. The turntable rotation position detection photoelectric switch receiver and receiver are mounted on the same horizontal plane. One end of the turntable rotation stop position blocking block fixing component is welded to the side of the base component, and the other end is fixedly connected to the turntable rotation stop position blocking block base by bolts. One end of the lighting control photoelectric switch transmitter fixing component is welded to the side of the base component, and the other end is fixedly connected to the lighting control photoelectric switch transmitter by bolts. One end of the lighting control photoelectric switch receiver fixing component is welded to the other side of the base component, and the other end is fixedly connected to the lighting control photoelectric switch receiver by bolts. The lighting control photoelectric switch receiver and receiver are installed on the same horizontal plane. The turntable rotation stop position is a series of small openings on the inner side of the turntable, evenly distributed on a circle with the center of the turntable and the same radius, allowing light to pass through. The lighting off position and lighting on position are evenly distributed on a circle with the center of the turntable and another circle with the same radius, located on the outer side of the turntable. The lighting off position is a small opening that allows light to pass through. The lighting on position is a series of small circles without openings, marked only with circles, and is opaque.The number of turntable stop positions is equal to the sum of the number of lighting off positions and lighting on positions, and there is a one-to-one correspondence, that is, one turntable stop position corresponds to one lighting off position or one lighting on position, and both are on the same straight line as the center of the turntable.
[0005] The objective of this invention is achieved as follows: A pair of control buttons are installed at each entrance and exit of the conveyor belt corridor: an "entry" button and an "exit" button. When someone enters the corridor, pressing the "entry" button allows them to enjoy the corridor lighting without being affected by others entering or exiting. When someone exits the corridor, pressing the "exit" button stops the lighting. The normally open contacts of all the "entry" buttons at the entrances and exits are connected in parallel, and their signals are connected to the lighting control system. This invention consists of a turntable, a turntable rotation control unit, and a lighting control unit. The turntable has two rows of detection positions surrounding the center. The inner ring of detection positions is the turntable's stop position, and each detection position is an opening (for light transmission). The outer ring of detection positions is the lighting off / on position; only the "lighting off" positions are open, while the "lighting on" positions are not open, only marked on the turntable. The inner and outer ring detection positions correspond one-to-one. The outer ring's "lighting off position" and corresponding inner ring detection positions represent zero people in the conveyor belt corridor. The outer ring's "lighting on position" and corresponding inner ring detection positions represent zero people (1, 2, 3, etc.). Each turntable has a maximum limit on the number of people it can calculate, but this can be customized as needed. The turntable rotation control unit consists of a turntable drive motor (with reduction gear), a turntable brake, a turntable rotation position detection photoelectric switch, turntable rotation stop positions (i.e., several detection positions on the inner ring), a turntable rotation stop position blocking block, and corresponding control circuits. Initially, the turntable is in the "lighting off position" (i.e., zero people in the corridor), the drive motor is not working, the brake is in a clamped state, and the blocking block is in the working position (i.e., the blocking block temporarily blocks the inner ring detection positions, thus not affecting the subsequent start-up of the motor). When someone presses the "Enter" button, the brake opens, the motor rotates forward, and the blocking block resets (no longer blocking the inner ring detection positions). When the turntable reaches the "Lighting On: 1 Person" position, the motor stops, the brake clamps, and the blocking block returns to its working position. When another person presses the "Enter" button, the system operates on the same principle, and the turntable rotates to the "Lighting On: 2 Persons" position, and so on. When someone presses the "Exit" button, the system operates on the same principle, except that the motor reverses, and the turntable rotates in the opposite direction. In short, when someone presses the "Enter" or "Exit" button, the turntable rotates to the right or left, corresponding to the number of people increased or decreased by 1. It should be noted that the number of people here does not refer to the number of natural persons; it can be a single natural person or a group of people entering and exiting simultaneously (only one person needs to press the button). The lighting control unit consists of a lighting control photoelectric switch, lighting off / on positions (i.e., several detection positions on the outer ring), and corresponding control circuits. When the turntable is in the "lighting off position" (i.e., the number of people in the corridor is zero), the lighting is off; when the turntable is in the "lighting on position" (i.e., several detection positions where the number of people in the corridor is 1, 2, 3, etc.), the lighting is on.
[0006] To prevent people from randomly pressing buttons when entering or exiting, an electric door can be installed at each entrance / exit. The door will only open when the "enter" or "exit" button is pressed when entering or exiting the corridor, and will automatically close after the person has passed through. The electric door component is not part of this invention.
[0007] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. It solves the problem that traditional methods cannot accurately control the lighting of belt conveyor corridors, and significantly reduces the power consumption of belt conveyor corridor lighting; 2. Compared with PLC control, the present invention does not require programming and can be used directly. It not only eliminates development costs, but also reduces equipment costs to about one-tenth of those of PLC, making it both convenient and economical. Attached Figure Description
[0008] Figure 1 Front view of the lighting turntable
[0009] Figure 2 Structural diagram of a rotary lighting control device (side view of the rotary table).
[0010] Figure 3 Electrical schematic diagram for controlling the rotation of the lighting turntable.
[0011] Figure 4 Electrical schematic diagram for corridor lighting control.
[0012] Figure 5 Electrical schematic diagram of lighting relay-contaminator.
[0013] In the diagram: 1. Turntable shaft; 2. Lighting off position; 3. Lighting on position; 4. Turntable rotation stop position; 6. Drive motor; 7. Reduction gear; 8. Turntable brake; 9. Transmitter of turntable rotation position detection photoelectric switch; 10. Receiver of turntable rotation position detection photoelectric switch; 11. Turntable rotation stop position; 12. Turntable rotation stop position blocking block; 13. Transmitter of lighting control photoelectric switch; 14. Receiver of lighting control photoelectric switch; 15. Lighting off / on position; 16. Base component; 17. Turntable fixing component; 18. Motor fixing component; 9. Brake fixing component; 20. Turntable rotation position detection photoelectric switch transmitter fixing component; 21. Turntable rotation position detection photoelectric switch receiver fixing component; 22. Turntable rotation stop position blocking block fixing component; 23. Lighting control photoelectric switch transmitter fixing component; 24. Lighting control photoelectric switch receiver fixing component; 25. Control circuit phase line L; 26. Control circuit neutral line N; 27. Personnel entry corridor relay; 28. "Enter" button normally open contact; 29. Personnel entry corridor relay normally open contact; 30. Turntable rotation position detection photoelectric switch normally closed contact; 3 1. Normally closed contact of personnel exit corridor relay; 32. Personnel exit corridor relay; 33. Normally open contact of "Exit" button; 34. Normally open contact of personnel exit corridor relay; 35. Normally closed contact of turntable rotation position detection photoelectric switch; 36. Normally closed contact of personnel enter corridor relay; 37. Working position relay of barrier block; 38. Normally closed contact of personnel enter corridor contactor; 39. Normally closed contact of personnel exit corridor contactor; 40. Phase line L of control circuit; 41. Neutral line N of control circuit; 42. Corridor lighting control relay; 43. Normally closed contact of lighting control photoelectric switch. 44. Phase line L of control circuit; 45. Neutral line N of control circuit; 46. Forward rotation contactor for personnel entering the corridor motor; 47. Normally open contact of personnel entering the corridor relay; 48. Reverse rotation contactor for personnel exiting the corridor motor; 49. Normally open contact of personnel exiting the corridor relay; 50. Brake release contactor; 51. Normally open contact of personnel entering the corridor relay; 52. Normally open contact of personnel exiting the corridor relay; 53. Working position contactor of the barrier block; 54. Normally open contact of the working position relay of the barrier block; 55. Corridor lighting control contactor; 56. Normally open contact of the corridor lighting control relay. Detailed Implementation
[0014] To enhance understanding of the present invention, the embodiments will be described in detail below with reference to the accompanying drawings.
[0015] Example: See Figures 1-5A turntable-type lighting control device for a long belt conveyor corridor, the control device includes a base component 16, a turntable, a turntable shaft 1, a turntable fixing component 17, a turntable drive motor 6, a motor fixing component 18, a reduction gear 7, a turntable brake 8, a brake fixing component 9, a turntable rotation position detection photoelectric switch, a turntable rotation position detection photoelectric switch transmitter fixing component 20, a turntable rotation position detection photoelectric switch receiver fixing component 21, a turntable rotation stop position blocking block, a turntable rotation stop position blocking block fixing component 22, a lighting control photoelectric switch, a lighting control photoelectric switch transmitter fixing component 23, a lighting control photoelectric switch receiver fixing component 24, a turntable rotation stop position 4, a lighting off position 2, and a lighting on position 3. The positional connection relationship between the components is as follows: The base component is a rectangular metal box, which is the foundation for installing and fixing the components. The turntable shaft passes through the center of the turntable and is welded to it as a whole. One end of each of the two turntable shaft fixing parts is welded to the bottom of the base component, and the other end has a built-in bearing. Both ends of the turntable shaft are fitted onto the built-in bearings of the fixing parts. One end of the motor fixing part is welded to the bottom of the base component, and the other end is fixedly connected to the turntable drive motor by bolts. There are two reduction gears in total. The small gear is fitted onto the motor output shaft and welded to it as a whole, and the large gear is fitted onto the turntable shaft and welded to it as a whole. The small gear and the large gear mesh together. One end of the brake fixing part 19 is welded to the bottom of the base component, and the other end is fixedly connected to the turntable brake 8 by bolts. One end of the turntable rotation position detection photoelectric switch transmitter fixing part 20 is welded to the side of the base component, and the other end is fixedly connected to the turntable rotation position detection photoelectric switch transmitter 9 by bolts. One end of the turntable rotation position detection photoelectric switch receiver fixing part 21 is welded to the other side of the base component, and the other end is fixedly connected to the turntable rotation position detection photoelectric switch receiver 10 by bolts. The turntable rotation position detection photoelectric switch receiver and the receiver are installed on the same horizontal plane. One end of the turntable rotation stop position blocking block fixing component is welded to the side of the base component, and the other end is fixedly connected to the turntable rotation stop position blocking block base by bolts. One end of the lighting control photoelectric switch transmitter fixing component 23 is welded to the side of the base component, and the other end is fixedly connected to the lighting control photoelectric switch transmitter 13 by bolts. One end of the lighting control photoelectric switch receiver fixing component 24 is welded to the other side of the base component, and the other end is fixedly connected to the lighting control photoelectric switch receiver 14 by bolts. The lighting control photoelectric switch receiver and receiver are installed on the same horizontal plane. The turntable rotation stop position is a series of small openings on the inner side of the turntable, evenly distributed on a circle with the center of the turntable and the same radius, which allows light to pass through. The lighting off position and lighting on position are evenly distributed on a circle with the center of the turntable and another circle with the same radius, located on the outer side of the turntable. The lighting off position is a small opening that allows light to pass through. The lighting on position is a series of small circles without openings, marked only with circles, and is opaque.The number of turntable stop positions is equal to the sum of the number of lighting off positions and lighting on positions, and there is a one-to-one correspondence, that is, one turntable stop position corresponds to one lighting off position or one lighting on position, and both are on the same straight line as the center of the turntable.
[0016] When no one enters the conveyor belt corridor, the lighting turntable is in the "lighting off position". At this time, the receiving end of the lighting control photoelectric switch receives the light from the transmitting end, the photoelectric switch is activated, the lighting control relay 42 is disconnected, the lighting control contactor 55 is disconnected, and the lighting is in the off state.
[0017] When the first person (or group of people) enters the conveyor belt corridor from any entrance / exit, press the "Open" button. Personnel entry relay 27 is activated and in a self-locking state. Personnel entry motor forward contactor 46 is activated, and brake release contactor 50 is activated. At this time, the brake is open, the motor rotates forward, and the turntable rotates clockwise. Simultaneously, the blocking block working position relay 37 and blocking block working position contactor 53 are not activated, and the blocking block is in a reset state. When the turntable reaches the "turntable rotation stop position," the turntable rotation position detection photoelectric switch receiver 13 receives light from the transmitter 14, triggering the photoelectric switch. Personnel entry relay 27 is deactivated, and personnel entry motor forward contactor 46 and brake release contactor 50 are simultaneously deactivated. The motor stops working, the brake resets and clamps, and the turntable stops rotating. At the same time, blocking block working position relay 37 and blocking block working position contactor 53 are activated, and the blocking block is in the working position. At this time, because the turntable is in the "Lighting On Position: 1 Person" position, the receiving end 13 of the lighting control photoelectric switch cannot receive the light from the transmitting end 14, the photoelectric switch does not activate, the lighting control relay 42 engages, the lighting control contactor 55 engages, and the lighting is on. When the second (batch) of people enters the conveyor belt corridor and presses the "On" button, the same action is performed, the turntable rotates to the "Lighting On Position: 2 People", and the lighting remains on. Similarly, when the third, fourth, fifth, and so on (batch) of people enter the conveyor belt corridor, the same action is performed, and the lighting is on.
[0018] When someone exits the conveyor belt corridor, press the "Exit" button. Personnel exit corridor relay 32 is activated and in a self-locking state. Personnel exit corridor motor reverse contactor 48 is activated, and brake release contactor 50 is activated. At this time, the brake is released, the motor reverses, and the turntable rotates counterclockwise. Simultaneously, the blocking block working position relay 37 and blocking block working position contactor 53 are not activated, and the blocking block is in a reset state. When the turntable reaches the "turntable rotation stop position," the turntable rotation position detection photoelectric switch receiver 13 receives light from the transmitter 4, triggering the photoelectric switch. Personnel exit corridor relay 32 is deactivated, and personnel exit corridor motor reverse contactor 48 and brake release contactor 50 are simultaneously deactivated. The motor stops working, the brake resets and clamps, and the turntable stops rotating. At the same time, blocking block working position relay 37 and blocking block working position contactor 53 are activated, and the blocking block is in the working position. At this time, the lighting status depends on the position of the turntable. If the turntable is in the "lighting on" position, the lighting is on; if the turntable is in the "lighting off" position, the lighting is off. The principle is the same as above.
[0019] In short, the turntable rotates clockwise when someone enters the corridor and counterclockwise when someone exits the corridor. The lighting is always on when there are people in the corridor and off when there are no people in the corridor.
[0020] It should be noted that the above embodiments are not intended to limit the scope of protection of the present invention. Equivalent transformations or substitutions made based on the above technical solutions all fall within the scope of protection of the claims of the present invention.
Claims
1. A turntable-type lighting control device for a long belt conveyor corridor, characterized in that, The control device includes a base component, a turntable, a turntable shaft, a turntable fixing component, a turntable drive motor, a motor fixing component, a reduction gear, a turntable brake, a brake fixing component, a turntable rotation position detection photoelectric switch, a turntable rotation position detection photoelectric switch transmitter fixing component, a turntable rotation position detection photoelectric switch receiver fixing component, a turntable rotation stop position blocking block, a turntable rotation stop position blocking block fixing component, a lighting control photoelectric switch, a lighting control photoelectric switch transmitter fixing component, a lighting control photoelectric switch receiver fixing component, a turntable rotation stop position, a lighting off position, and a lighting on position. The base component is a rectangular metal box. The turntable shaft passes through the center of the turntable and is welded to the turntable. One end of each of the two turntable shaft fixing components is welded to the bottom of the base component, and the other end has an internal bearing. Both ends of the turntable shaft are fitted onto the internal bearings of the fixing component. One end of the motor fixing component is welded to the bottom of the base component, and the other end is bolted to the turntable drive motor. The motor is fixedly connected. One end of the brake fixing component is welded to the bottom of the base component, and the other end is fixedly connected to the turntable brake with bolts. One end of the turntable rotation position detection photoelectric switch transmitter fixing component is welded to the side of the base component, and the other end is fixedly connected to the turntable rotation position detection photoelectric switch transmitter with bolts. One end of the turntable rotation position detection photoelectric switch receiver fixing component is welded to the other side of the base component, and the other end is fixedly connected to the turntable rotation position detection photoelectric switch receiver with bolts. One end of the turntable rotation stop position blocking block fixing component is welded to the side of the base component, and the other end is fixedly connected to the turntable rotation stop position blocking block base with bolts. One end of the lighting control photoelectric switch transmitter fixing component is welded to the side of the base component, and the other end is fixedly connected to the lighting control photoelectric switch transmitter with bolts. One end of the lighting control photoelectric switch receiver fixing component is welded to the other side of the base component, and the other end is fixedly connected to the lighting control photoelectric switch receiver with bolts.
2. The turntable-type lighting control device for a long conveyor belt corridor according to claim 1, characterized in that, There are two reduction gears in total. The small gear is fitted onto the motor output shaft and welded together, while the large gear is fitted onto the turntable shaft and welded together. The small gear and the large gear mesh together.
3. The turntable-type lighting control device for a long belt conveyor corridor according to claim 2, characterized in that, The receiving end of the photoelectric switch for detecting the rotation position of the turntable is aligned with the horizontal reference plane of the receiving end.
4. The turntable-type lighting control device for a long belt conveyor corridor according to claim 1, characterized in that, The receiving end of the lighting control photoelectric switch and the mounting reference plane of the receiving end are aligned.
5. The turntable-type lighting control device for a long belt conveyor corridor according to claim 4, characterized in that, The turntable's rotation stop position is a series of small openings on the inside of the turntable, evenly distributed on a circle formed by the center of the turntable and the same radius, allowing light to pass through. The lighting off position and lighting on position are evenly distributed on a circle formed by the center of the turntable and another circle with the same radius, located on the outside of the turntable.
6. The turntable-type lighting control device for a long belt conveyor corridor according to claim 5, characterized in that, The lighting off position is a small opening that allows light to pass through, while the lighting on position is a series of small, closed circles that are only marked with circles and do not allow light to pass through.
7. The turntable-type lighting control device for a long belt conveyor corridor according to claim 6, characterized in that, The number of turntable stop positions is equal to the sum of the number of lighting off positions and lighting on positions, and there is a one-to-one correspondence, that is, one turntable stop position corresponds to one lighting off position or one lighting on position, and both are on the same straight line as the center of the turntable.