An elevator operation internal person monitoring device
Patent Information
- Application Number
- CN202522728111.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-23
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-12-23
AI Technical Summary
In existing elevator video monitoring devices, fixed cameras are prone to being blocked by people or stacked goods, resulting in key areas not being covered. Furthermore, the large differences in the size of different elevator cars make it impossible to balance large-area monitoring and detailed recognition. Wide-angle lenses cause image distortion, reducing the accuracy of human behavior recognition.
The camera employs a horizontal sliding and swing adjustment mechanism, including a horizontal adjustment mechanism and a swing adjustment mechanism. Through the meshing of gears and racks driven by a motor, the camera can be adjusted to move horizontally and vertically, ensuring coverage of all areas.
It enables all-around monitoring inside the elevator car, avoids obstructions, adapts to different elevator sizes, improves the accuracy and precision of monitoring, and reduces misjudgments.
Smart Images

Figure CN224930110U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elevator safety monitoring technology, and in particular to a device for monitoring personnel inside an elevator during operation. Background Technology
[0002] Monitoring of people inside the elevator during operation is an important part of the elevator safety management system. It aims to use technology to perceive, record and analyze the behavior and status of people inside the car in real time in order to prevent accidents, ensure safety and improve emergency response efficiency.
[0003] Currently, elevator video monitoring devices generally use fixed cameras. Fixed cameras are prone to obstruction by people or stacked goods, resulting in key areas such as car doors and handrails not being covered. For example, in a residential elevator accident, the camera was blocked by passengers' luggage, failing to capture the dangerous actions of a child approaching the door. Furthermore, different elevator cars have vastly different dimensions; for example, medical elevators are 2.5 meters wide, while residential elevators are only 1.2 meters wide, making it impossible for fixed cameras to simultaneously monitor a wide area and identify details. Secondly, adjusting the position of traditional cameras requires disassembly and reinstallation, which is time-consuming and can easily damage the internal structure. To expand the monitoring range, cameras often use wide-angle lenses, but wide-angle lenses can cause image distortion, reducing the accuracy of human behavior recognition. For example, a fall may be misjudged as a normal sitting posture, thus affecting the accuracy of monitoring people inside the elevator during operation. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the defects of the existing technology. This utility model proposes an internal personnel monitoring device during elevator operation.
[0005] To address the aforementioned issues raised by current elevator video monitoring devices, which predominantly use fixed cameras, and the limitations of fixed cameras such as those obstructing view due to people or stacked goods, resulting in gaps in coverage of critical areas like car doors and handrails, and the significant size variations among different elevator cars, fixed cameras cannot simultaneously achieve both wide-area monitoring and detailed identification. Furthermore, adjusting the position of traditional cameras requires disassembly and reinstallation, which is time-consuming and can easily damage the internal structure. While wide-angle lenses are often used to expand the monitoring range, they can cause image distortion, reducing the accuracy of human behavior recognition, such as misinterpreting a fall as a normal sitting posture, thus affecting the accuracy of monitoring people inside the elevator during operation, the technical solution adopted by this utility model is: An elevator internal personnel monitoring device includes an elevator car body, a camera and a monitoring platform, which is horizontally slidably disposed on the inner side wall of the elevator car body, and is used to horizontally move the camera to adjust the monitoring position. A horizontal adjustment mechanism is connected to the monitoring station for driving the monitoring station to move horizontally. A swing adjustment mechanism is located on the outer end face of the monitoring platform and is connected to the camera for driving the camera to swing up and down to adjust the monitoring position.
[0006] Preferably, the leveling mechanism includes a first motor and a rack, wherein a first gear is keyed to the inner drive shaft of the first motor, and the first gear meshes with the rack.
[0007] Preferably, the first motor is located on the side of the monitoring platform, the rack is horizontally located on the inner side wall of the upper end of the elevator car body, and limiting plates for limiting the first gear are provided on both sides of the rack.
[0008] Preferably, the swing adjustment mechanism includes a second motor, a half-tooth disk, and a mounting base. The outer end of the transmission shaft of the second motor is keyed with a second gear, and the second gear meshes with the half-tooth disk. The middle part of the half-tooth disk is keyed with a shaft, and the camera is disposed on the outer end face of the mounting base.
[0009] Preferably, the second motor is located on the side of the monitoring platform away from the first motor, the shaft is rotatably connected to the outer end face of the monitoring platform by bearing seat, and the two sides of the half-gear are provided with limiting strips for limiting the second gear.
[0010] Preferably, the monitoring station is provided with a protective cover on its side to shield and protect the second gear and the half-gear disc, and the first motor and the second motor are respectively equipped with a wireless remote controller.
[0011] Preferably, the upper inner wall of the elevator car body is provided with a slide rail, the outer end of the slide rail is slidably connected with a slide seat, and the monitoring platform is located at the outer end of the slide seat.
[0012] Preferably, there are two slide rails, which are symmetrically distributed horizontally along the inner sidewall of the upper end of the elevator car body.
[0013] Compared with the prior art, the beneficial effects of this utility model are: When the interior of the elevator car cannot be effectively monitored via video due to obstructions from people or piled-up goods, this invention allows for the activation of a first motor in the monitoring room. The activation of the first motor drives a first gear to rotate, and the force generated by the meshing of the first gear and rack causes the monitoring platform to move horizontally. This horizontal movement of the monitoring platform synchronously moves the camera horizontally, thereby adjusting the camera's monitoring position to effectively avoid obstructions and continue video monitoring of the elevator car's interior. This invention can also activate a second motor. Activating the second motor will drive the second gear to rotate, which in turn meshes and drives the half-gear disc to rotate. The rotation of the half-gear disc will drive the shaft to rotate, and the rotation of the shaft will cause the mounting base to swing up and down. The up-and-down swing of the mounting base will cause the camera to swing up and down, thus allowing for both horizontal and vertical adjustment of the camera's monitoring position, enabling the camera to monitor targets at different heights. Attached Figure Description
[0014] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the structure at point A of this utility model.
[0015] Reference numerals in the attached drawings: 1. Elevator car body; 2. Monitoring platform; 3. Slide rail; 4. Slide seat; 5. First motor; 6. First gear; 7. Rack; 8. Second motor; 9. Second gear; 10. Half gear plate; 11. Shaft; 12. Protective cover; 13. Mounting base; 14. Camera. Detailed Implementation
[0016] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0017] The specific embodiments of this utility model are described below with reference to the accompanying drawings.
[0018] Please see Figure 1 - Figure 3 This embodiment proposes an elevator internal personnel monitoring device, including elevator car body 1, camera 14 and monitoring platform 2.
[0019] Two slide rails 3 are installed on the inner wall of the upper part of the elevator car body 1 with screws. These two slide rails are horizontally symmetrically distributed. The outer ends of the slide rails 3 are slidably connected to the slide block 4 for limiting, while the monitoring platform 2 is firmly installed on the outer end of the slide block 4 with screws. This design allows the monitoring platform 2 to slide horizontally and be effectively limited by the cooperation of the slide block 4 and the slide rails 3. The side end of the monitoring platform 2 is fixedly installed with a first motor 5 by bolts. The inner drive shaft of the motor is keyed to a first gear 6. The bottom of the first gear 6 is engaged with a rack 7, which is horizontally fixed to the inner wall of the upper part of the elevator car body 1 with screws. Limiting plates are also glued to both sides of the rack 7 to limit the first gear 6.
[0020] On the side of monitoring platform 2 away from the first motor 5, a second motor 8 is bolted in. A second gear 9 is keyed to the outer drive shaft of the second motor 8, and the outer end of this gear meshes with a half-gear disc 10. Limiting strips are bonded to both sides of the half-gear disc 10 to limit the movement of the second gear 9. A shaft 11 is keyed to the middle of the half-gear disc 10, and this shaft is supported by a bearing seat and rotatably connected to the outer end face of monitoring platform 2. A protective cover 12 is also bonded to the side of monitoring platform 2 to shield and protect the second gear 9 and the half-gear disc 10. A mounting base 13 is bonded to the outer curved surface of the shaft 11, and a camera 14 is fixedly mounted on the outer end face of the mounting base 13 with screws. Furthermore, the first motor 5 and the second motor 8 are each equipped with a wireless remote controller, allowing monitoring personnel to remotely control these two motors from a monitoring room.
[0021] Please continue reading. Figure 1 - Figure 3 In actual use, camera 14 is responsible for continuously monitoring the interior of the elevator car body 1. When key areas inside the elevator car body 1 cannot be effectively monitored due to obstructions from people or piled-up goods, monitoring personnel can start the first motor 5 in the monitoring room. When the first motor 5 is activated, it drives the first gear 6 to rotate. The force generated by the meshing of the first gear 6 and rack 7 causes the monitoring platform 2 to move horizontally. This horizontal movement of the monitoring platform 2 synchronously moves camera 14 horizontally, thereby adjusting the horizontal position of camera 14 to effectively avoid obstructions and continue monitoring the interior of the elevator car body 1.
[0022] Simultaneously, the monitoring personnel can also activate the second motor 8. Activating the second motor 8 will drive the second gear 9 to rotate, which in turn meshes and drives the half-gear 10 to rotate. The rotation of the half-gear 10 will drive the shaft 11 to rotate, and the rotation of the shaft 11 will cause the mounting base 13 to swing up and down. The up-and-down swing of the mounting base 13 will cause the camera 14 to swing up and down, thus allowing for both horizontal and vertical adjustment of the camera 14's monitoring position, enabling the camera 14 to monitor targets at different heights.
[0023] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.
Claims
1. A device for monitoring personnel inside an elevator during operation, comprising an elevator car body and a camera, characterized in that, include: The monitoring station is horizontally slidably installed on the inner side wall of the elevator car body, and is used to horizontally move the camera to adjust the monitoring position. A horizontal adjustment mechanism is connected to the monitoring station for driving the monitoring station to move horizontally. A swing adjustment mechanism is located on the outer end face of the monitoring platform and is connected to the camera for driving the camera to swing up and down to adjust the monitoring position.
2. The elevator internal personnel monitoring device according to claim 1, characterized in that, The horizontal adjustment mechanism includes a first motor and a rack. The inner drive shaft of the first motor is keyed with a first gear, and the first gear meshes with the rack.
3. The elevator internal personnel monitoring device according to claim 2, characterized in that, The first motor is installed on the side of the monitoring platform, the rack is horizontally installed on the inner side wall of the upper end of the elevator car body, and the rack is provided with limiting plates on both sides for limiting the first gear.
4. The elevator internal personnel monitoring device according to claim 1, characterized in that, The swing adjustment mechanism includes a second motor, a half-tooth disk, and a mounting base. The outer end of the transmission shaft of the second motor is keyed with a second gear, which meshes with the half-tooth disk. The middle part of the half-tooth disk is keyed with a shaft. The camera is mounted on the outer end face of the mounting base.
5. The elevator internal personnel monitoring device according to claim 4, characterized in that, The second motor is located on the side of the monitoring platform away from the first motor. The shaft is rotatably connected to the outer end face of the monitoring platform by bearing housing. Limiting strips for limiting the second gear are provided on both sides of the half-gear.
6. The elevator internal personnel monitoring device according to claim 5, characterized in that, The monitoring station is equipped with a protective cover on its side to shield the second gear and the half-gear. The first motor and the second motor are respectively equipped with wireless remote controllers.
7. The elevator internal personnel monitoring device according to claim 1, characterized in that, The upper inner wall of the elevator car body is provided with a slide rail, and the outer end of the slide rail is slidably connected to a slide seat. The monitoring platform is located at the outer end of the slide seat.
8. The elevator internal personnel monitoring device according to claim 7, characterized in that, There are two slide rails, which are symmetrically distributed horizontally along the inner side wall of the upper end of the elevator car body.
