Intelligent elevator fault detection device

By designing an intelligent elevator fault detection device and using extended arm tubes and micro cameras to perform intelligent detection inside the elevator car, the problem of inefficient elevator maintenance is solved, and convenient and efficient fault detection and maintenance is achieved.

CN120097174APending Publication Date: 2025-06-06ZHEJIANG UNIV OF TECH +1
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Patent Information

Application Number
CN202510377252.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-06-06

AI Technical Summary

Technical Problem

During the elevator maintenance, the elevator car needs to be lowered to the bottom of the elevator for shutdown inspection and maintenance, which is relatively inefficient.

Method used

An intelligent detection device for elevator faults is designed, including a shooting unit, an extension arm tube, a display module and an adjustment module. The shooting unit is extended into the elevator shaft through the extension arm tube, and a micro camera and fill light are used for shooting and lighting. The display module displays the shooting screen, and the adjustment module can adjust the angle of the shooting unit.

Benefits of technology

The device enables maintenance personnel to inspect through the gap between the car and the elevator shaft without lowering the elevator car to the bottom of the elevator, improving the convenience and efficiency of elevator fault maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an intelligent elevator fault detection device, and relates to the technical field of elevator maintenance. The elevator fault intelligent detection device comprises a shooting unit, an extension arm tube, a display module and an adjusting module, the shooting unit is used for shooting and light supplementing, and the extension arm tube is connected to the bottom of the shooting unit; the shooting unit can stretch into the elevator shaft through a gap between the elevator car and the shaft and shoot the upper portion of the elevator car through supporting of the extending arm pipe, and the display module is electrically connected with the shooting unit and used for displaying shot pictures. According to the elevator fault intelligent detection device, through the cooperative design of the shooting unit, the extension arm pipe, the display module and the adjusting module, the shooting unit can extend into the bottom or the top of the lift car through a gap between the lift car and an elevator shaft, then the angle of the shooting unit is adjusted through the adjusting module, and meanwhile a light supplementing lamp provides illumination; and the micro camera transmits image data to the display module for display, so that a maintainer can conveniently check the top and bottom systems of the elevator car.
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Description

Technical Field

[0001] The present invention relates to the technical field of elevator maintenance, and in particular to an intelligent elevator fault detection device. Background Art

[0002] An elevator is a vertical transportation device, mainly composed of the following parts: a car, used to carry passengers or goods; a traction machine, which provides power to drive the elevator; a wire rope, which connects the car and counterweight to achieve balance and traction; a guide rail, which ensures that the car and counterweight move up and down smoothly; a control system, which is responsible for dispatching and monitoring the operation of the elevator; safety devices, such as speed limiters and buffers, which ensure that the elevator stops safely in an emergency; in addition, the elevator also includes a door system, counterweights and electrical equipment, which work together to achieve efficient and safe vertical transportation functions.

[0003] Elevator fault detection is a systematic safety inspection, which mainly includes comprehensive inspection of electrical systems, mechanical systems and safety devices. The work content covers checking the working status of electrical components such as control cabinets, relays, contactors, and testing the sensitivity of external call equipment such as buttons, indicator lights, and floor displays. Check the wear and operation of mechanical parts such as traction machines, wire ropes, and guide rails. Test the functional effectiveness of safety devices such as speed limiters, safety clamps, and buffers. At the same time, it is also necessary to check whether the door system switches smoothly and whether the emergency alarm device is working properly. Through regular inspections, potential faults can be discovered and eliminated in a timely manner to ensure safe and stable operation of elevators.

[0004] The top of the elevator car is usually connected to the traction machine, and a counterweight and other safety positions are installed at the bottom. When the elevator is repaired, it is necessary to stop the elevator and lower the elevator car to the bottom of the elevator room for up and down inspection, which is relatively inefficient. Therefore, an intelligent elevator fault detection device is provided to solve the above problem. Summary of the invention

[0005] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide an intelligent elevator fault detection device that can solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an intelligent detection device for elevator faults, comprising a shooting unit, an extension arm tube, a display module and an adjustment module, the shooting unit being used for shooting and fill lighting, the extension arm tube being connected to the bottom of the shooting unit, the shooting unit being supported by the extension arm tube and being able to extend into the elevator shaft through the gap between the elevator car and the shaft and shooting above the elevator car, the display module being electrically connected to the shooting unit and being used to display the shooting picture, the adjustment module being connected to the bottom end of the extension arm tube and being able to control the tilting and flipping of the shooting unit; an adsorption connection component and a magnetic attraction ring, the adsorption connection component being movably arranged on the extension arm tube and being able to move axially along the extension arm tube, the magnetic attraction ring being arranged at the top of the adsorption connection component and being able to be adsorbed and connected to the top of the elevator car.

[0007] Preferably, the shooting unit includes a shell, a miniature camera, a movable groove and a movable shaft. The shell is arranged at the top end of the extended arm tube, the front side of the shell is provided with a groove and the miniature camera is installed thereon, the miniature camera is flush with the surface of the shell, the front side of the shell is provided with a movable groove integrally formed at the end face near the bottom thereof, a movable shaft perpendicular to the axis of the extended arm tube is connected to the movable groove, a penetrating sleeve hole is integrally formed at the outer wall of the extended arm tube near the top end thereof, and the movable shaft is movably connected to the extended arm tube through the sleeve hole on the extended arm tube.

[0008] Preferably, the shooting unit also includes a counterweight and a fill light. The shell has a surface with a movable slot provided near the top and a mounting slot. The counterweight is installed in the mounting slot on the shell. The shell also has a mounting hole provided on the surface, and the fill light is installed in the mounting hole on the shell surface.

[0009] Preferably, the adjustment module includes a transmission box, a traction rope, a worm gear, a transmission rod, a turbine member and a transmission knob; the bottom end of the extension arm tube is connected to a transmission box connected to the interior thereof; the inner wall of the transmission box is rotatably connected to a worm gear; the inner wall of the transmission box is also rotatably connected to a transmission rod which is axially perpendicular to and does not intersect with the worm gear; a turbine member meshing with the worm gear is installed on the transmission rod; the transmission rod is connected to a traction rope, the traction rope passes through the extension arm tube, extends to the movable groove through the opening at the top of the extension arm tube and is connected to the movable groove; the end of the worm gear extends to the outside of the transmission box and is connected to a transmission knob.

[0010] Preferably, the adsorption connection assembly includes a movable disk, a movable sleeve and a positioning bolt. The movable disk is movably sleeved on the extension arm tube. The surface of the movable disk is integrally provided with an annular groove. A magnetic ring is installed in the annular groove on the movable disk. A movable sleeve is integrally connected to the bottom center of the movable disk. The movable sleeve is movably sleeved on the extension arm tube. A screw hole that runs through the inside and outside of the movable sleeve is integrally formed on the outer wall of the movable sleeve. A positioning bolt that can interfere with the outer wall of the extension arm tube is threadedly connected to the screw hole on the movable sleeve.

[0011] Preferably, the adsorption connection assembly further comprises a guide sleeve, a plurality of guide holes distributed in a ring array are provided on the surface of the movable disk, and the bottom of the guide holes on the movable disk is integrally connected with the guide sleeve.

[0012] Preferably, the adsorption connection assembly also includes a guide column, a mounting cylinder, a servo motor, a screw rod and a mounting ring. The guide column is provided in a movable sleeve inside the guide sleeve, a mounting ring is provided below the movable disk, the bottom end of the guide column is connected to the surface of the mounting ring, a mounting cylinder is installed at the bottom of the movable disk, a servo motor is installed in the mounting cylinder, the output shaft of the servo motor faces the mounting ring, the output shaft of the servo motor is connected to the screw rod through a coupling, a threaded hole is provided on the mounting ring, and the screw rod is threadedly connected to the threaded hole on the mounting ring.

[0013] Preferably, an assembly socket is installed on the side wall of the transmission box, and the display module card is installed on the assembly socket on the side of the transmission box. The bottom of the adjustment module is connected to a hand-held rod, and a switch button is provided on the outer wall of the hand-held rod. The switch button is electrically connected to the servo motor. The shooting unit can be extended into the bottom or top of the car through the gap between the car and the elevator shaft, and the angle of the shooting unit can be adjusted with the help of the adjustment module. At the same time, the fill light provides lighting, and the micro camera transmits the image data to the display module for display, which is convenient for maintenance personnel to inspect the top and bottom systems of the elevator car.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] (1) The intelligent elevator fault detection device, through the coordinated design of the shooting unit, the extension arm tube, the display module and the adjustment module, can extend the shooting unit into the bottom or top of the car through the gap between the car and the elevator shaft, and then adjust the angle of the shooting unit with the help of the adjustment module. At the same time, the fill light provides lighting, and the micro camera transmits the image data to the display module for display, which is convenient for maintenance personnel to inspect the top and bottom systems of the elevator car. There is no need to lower the elevator car to the bottom of the elevator room for shutdown inspection and maintenance, thereby improving the convenience of elevator fault inspection and maintenance operations.

[0016] (2) The intelligent elevator fault detection device can be adsorbed and connected to the elevator car through the setting of the adsorption connection component, so that the device can be suspended in the elevator car, and does not need to be held in hand all the time, and does not affect other operations of maintenance personnel. At the same time, the adsorption connection component can be easily and quickly separated from the elevator car, and the position of the adsorption connection component on the extension arm tube can be adjusted. It has high practicality and flexibility, which is conducive to promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1A perspective view of the present invention;

[0019] Figure 2 A top view of the present invention;

[0020] Figure 3 It is the AA cross-sectional view of the present invention;

[0021] Figure 4 This is a structural diagram of the adsorption connection component of the present invention;

[0022] Figure 5 It is a structural diagram of the adjustment module of the present invention;

[0023] Figure 6 is a cross-sectional view of a camera module of the present invention;

[0024] Figure 7 It is an enlarged view of part A of the present invention.

[0025] 1. Shooting unit; 11. Shell; 12. Counterweight; 13. Miniature camera; 14. Movable slot; 15. Movable shaft; 16. Fill light; 2. Extension arm tube; 3. Adsorption connection assembly; 31. Movable disk; 32. Movable sleeve; 33. Positioning bolt; 34. Guide column; 35. Guide sleeve; 36. Mounting cylinder; 37. Servo motor; 38. Screw member; 39. Mounting ring; 4. Display module; 5. Adjustment module; 51. Transmission box; 52. Traction rope; 53. Worm member; 54. Transmission rod; 55. Turbine member; 56. Transmission knob; 6. Hand-held lever; 7. Switch button; 8. Magnetic ring. DETAILED DESCRIPTION

[0026] See also Figure 1-7The present invention provides a technical solution: an intelligent detection device for elevator faults, comprising a shooting unit 1, an extension arm tube 2, a display module 4 and an adjustment module 5, wherein the shooting unit 1 is used for shooting and filling light, the extension arm tube 2 is connected to the bottom of the shooting unit 1, and the shooting unit 1 can pass through the gap between the elevator car and the shaft through the support of the extension arm tube 2 to extend into the elevator shaft and shoot above the elevator car, the display module 4 is electrically connected to the shooting unit 1 and is used to display the shooting picture, the adjustment module 5 is connected to the bottom end of the extension arm tube 2 and can control the tilt and flip of the shooting unit 1; an adsorption connection component 3 and a magnetic attraction ring 8, the adsorption connection component 3 is movably arranged on the extension arm tube 2 and can move axially along the extension arm tube 2, the magnetic attraction ring 8 is arranged on the top of the adsorption connection component 3 and can be adsorbed and connected to the top of the elevator car, the shooting unit 1 comprises a shell 11, a miniature camera 13, A movable groove 14 and a movable shaft 15, a shell 11 is provided at the top end of the extended arm tube 2, a groove is opened on the front side of the shell 11 and a miniature camera 13 is installed, the miniature camera 13 is flush with the surface of the shell 11, a movable groove 14 is integrally formed at the end face of the front side of the shell 11 near its bottom, a movable shaft 15 perpendicular to the axis of the extended arm tube 2 is connected in the movable groove 14, a through sleeve hole is integrally formed at the outer wall of the extended arm tube 2 near its top end, the movable shaft 15 is movably connected to the extended arm tube 2 through the sleeve hole on the extended arm tube 2, the shooting unit 1 also includes a counterweight 12 and a fill light 16, a mounting groove is provided at a position near the top of the surface of the shell 11 provided with the movable groove 14, the counterweight 12 is installed in the mounting groove on the shell 11, a mounting hole is also provided on the surface of the shell 11, and the fill light 16 is installed in the mounting hole on the surface of the shell 11.

[0027] The adjusting module 5 comprises a transmission box 51, a traction rope 52, a worm gear 53, a transmission rod 54, a turbine member 55 and a transmission knob 56. The bottom end of the extension arm tube 2 is connected with the transmission box 51 which is communicated with the interior thereof. The inner wall of the transmission box 51 is rotatably connected with the worm gear 53. The inner wall of the transmission box 51 is also rotatably connected with a transmission rod 54 which is axially perpendicular and non-intersecting with the worm gear 53. The transmission rod 54 is provided with a turbine member 55 which meshes with the worm gear 53. The transmission rod 54 is connected with the traction rope 52. The traction rope 52 passes through the extension arm tube 2 and extends to the movable groove 14 through the opening at the top of the extension arm tube 2 and is connected thereto. The end of the worm gear 53 extends to the outside of the transmission box 51 and is connected with the transmission knob 56. The adsorption connection assembly 3 comprises a movable disk 31, a movable sleeve 32 and a positioning bolt 33. The extension arm tube 2 is movably sleeved with a movable disk 31. The surface of the movable disk 31 is integrally provided with an annular groove. A magnetic attraction ring 8 and a movable sleeve 32 are integrally connected at the bottom center of the movable disk 31. The movable sleeve 32 is movably sleeved on the extension arm tube 2. A screw hole is integrally formed at the outer wall of the movable sleeve 32 and runs through the inside and outside of the movable sleeve 32. A positioning bolt 33 that can contact the outer wall of the extension arm tube 2 is threadedly connected to the screw hole on the movable sleeve 32. The adsorption connection component 3 also includes a guide sleeve 35. A plurality of guide holes distributed in a circular array are provided on the surface of the movable disk 31. The bottom of the guide hole on the movable disk 31 is integrally connected with the guide sleeve 35. The shooting unit 1 can be extended into the bottom or top of the car through the gap between the car and the elevator shaft, and the angle of the shooting unit 1 can be adjusted with the help of the adjustment module 5. At the same time, the fill light 16 provides lighting, and the micro camera 13 transmits the image data to the display module 4 for display, so that maintenance personnel can check the top and bottom systems of the elevator car conveniently without lowering the elevator car to the bottom of the elevator room for shutdown inspection and maintenance.

[0028] Secondly, the adsorption connection component 3 also includes a guide column 34, a mounting cylinder 36, a servo motor 37, a screw member 38 and a mounting ring 39. The guide column 34 is movably sleeved in the guide sleeve 35, and a mounting ring 39 is arranged below the movable disk 31. The bottom end of the guide column 34 is connected to the surface of the mounting ring 39. A mounting cylinder 36 is installed at the bottom of the movable disk 31. A servo motor 37 is installed in the mounting cylinder 36. The output shaft of the servo motor 37 faces the mounting ring 39. The output shaft of the servo motor 37 is connected to the screw member 38 through a coupling. The mounting ring 39 is provided with a threaded hole that penetrates therethrough. The screw member 38 is connected to the mounting ring 39. The threaded hole on the ring 39 is threadedly connected, an assembly socket is installed on the side wall of the transmission box 51, the display module 4 is installed on the assembly socket on the side of the transmission box 51, and the bottom of the adjustment module 5 is connected to a hand-held handle 6 for hand-holding. A switch button 7 is provided on the outer wall of the hand-held handle 6. The switch button 7 is electrically connected to the servo motor 37. The device can be adsorbed and connected to the elevator car, so that the device can be suspended at the elevator car. It does not need to be held in hand all the time and does not affect other operations of maintenance personnel. At the same time, the adsorption connection component 3 can be separated from the elevator car quickly and conveniently, and the position of the adsorption connection component 3 on the extension arm tube 2 can be adjusted.

[0029] Working principle: Hold the hand lever 6 to extend the shooting unit 1 through the gap between the elevator car and the elevator shaft to the top of the elevator car, control the fill light 16 to turn on to illuminate the elevator shaft, turn the transmission knob 56 to drive the worm member 53 to rotate, the worm member 53 drives the turbine member 55 meshing with it to rotate, the transmission rod 54 rotates accordingly, the traction rope 52 is relaxed on the transmission rod 54, the housing 11 is flipped under the traction of the counterweight of the counterweight block 12 and the traction of the traction rope 52, and the flip adjustment of the micro camera 13 is realized, and the micro camera 13 transmits the shooting picture to the display module 4 for display;

[0030] Tighten the positioning bolt 33, adjust the position of the adsorption connection component 3 on the extension arm tube 2, and then tighten the positioning bolt 33, then adsorb the magnetic ring 8 on the elevator car, and the device is adsorbed on the elevator car. After maintenance, hold the hand lever 6 and press the switch button 7, the servo motor 37 starts to drive the screw rod 38 to rotate, and the installation ring 39 rises under the drive of the screw rod 38 and the guidance of the guide column 34, and the installation ring 39 pushes the elevator car to separate from the magnetic ring 8.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An intelligent elevator fault detection device, characterized in that: include: The invention relates to a shooting unit (1), an extension arm tube (2), a display module (4) and an adjustment module (5), wherein the shooting unit (1) is used for shooting and supplementary lighting, the extension arm tube (2) is connected to the bottom of the shooting unit (1), the shooting unit (1) can extend into the elevator shaft through the gap between the elevator car and the shaft through the support of the extension arm tube (2) and shoot above the elevator car, the display module (4) is electrically connected to the shooting unit (1) and is used to display the shooting picture, the adjustment module (5) is connected to the bottom end of the extension arm tube (2) and can control the tilting and flipping of the shooting unit (1); an adsorption connection component (3) and a magnetic attraction ring (8), the adsorption connection component (3) is movably arranged on the extension arm tube (2) and can move along the axial direction of the extension arm tube (2), and the magnetic attraction ring (8) is arranged at the top of the adsorption connection component (3) and can be adsorbed and connected to the top of the elevator car.

2. The intelligent elevator fault detection device according to claim 1, characterized in that: The photographing unit (1) comprises a housing (11), a micro camera (13), a movable groove (14) and a movable shaft (15); the housing (11) is arranged at the top end of the extended arm tube (2); a groove is provided on the front side of the housing (11) and the micro camera (13) is installed thereon; the micro camera (13) is flush with the surface of the housing (11); a movable groove (14) is integrally formed at the end surface of the front side of the housing (11) near the bottom thereof; a movable shaft (15) perpendicular to the axis of the extended arm tube (2) is connected in the movable groove (14); a through hole is integrally formed at a position near the top end of the outer wall of the extended arm tube (2); the movable shaft (15) is movably connected to the extended arm tube (2) through the hole on the upper side of the extended arm tube (2).

3. The intelligent elevator fault detection device according to claim 2, characterized in that: The shooting unit (1) further comprises a counterweight (12) and a fill light (16); a mounting groove is provided at a position near the top of the surface of the housing (11) on which the movable groove (14) is provided; the counterweight (12) is installed in the mounting groove on the housing (11); a mounting hole is also provided on the surface of the housing (11); and the fill light (16) is installed in the mounting hole on the surface of the housing (11).

4. The intelligent elevator fault detection device according to claim 3 is characterized in that: The regulating module (5) comprises a transmission box (51), a traction rope (52), a worm gear (53), a transmission rod (54), a turbine component (55) and a transmission knob (56); the bottom end of the extension arm tube (2) is connected to the transmission box (51) which is in communication with the inside thereof; the inner wall of the transmission box (51) is rotatably connected to the worm gear (53); the inner wall of the transmission box (51) is also rotatably connected to a transmission rod (54) which is axially perpendicular and non-intersecting with the worm gear (53); the transmission rod (54) is provided with a turbine component (55) which meshes with the worm gear (53); the transmission rod (54) is connected to the traction rope (52); the traction rope (52) passes through the extension arm tube (2) and extends to the movable groove (14) through the top opening of the extension arm tube (2) and is connected to the movable groove; the end of the worm gear (53) extends to the outside of the transmission box (51) and is connected to the transmission knob (56).

5. The intelligent elevator fault detection device according to claim 4 is characterized in that: The adsorption connection assembly (3) comprises a movable disk (31), a movable sleeve (32) and a positioning bolt (33); the movable disk (31) is movably sleeved on the extension arm tube (2); the surface of the movable disk (31) is integrally provided with an annular groove; a magnetic attraction ring (8) is installed in the annular groove on the movable disk (31); the bottom center of the movable disk (31) is integrally connected with a movable sleeve (32); the movable sleeve (32) is movably sleeved on the extension arm tube (2); a screw hole penetrating the inside and outside of the movable sleeve (32) is integrally provided on the outer wall of the movable sleeve (32); a positioning bolt (33) that can abut against the outer wall of the extension arm tube (2) is threadedly connected to the screw hole on the movable sleeve (32).

6. The intelligent elevator fault detection device according to claim 5, characterized in that: The adsorption connection assembly (3) further comprises a guide sleeve (35), a plurality of guide holes distributed in a ring array are provided on the surface of the movable disk (31), and the bottom of the guide holes on the movable disk (31) is integrally connected to the guide sleeve (35).

7. The intelligent elevator fault detection device according to claim 6, characterized in that: The adsorption connection assembly (3) further comprises a guide column (34), a mounting tube (36), a servo motor (37), a screw rod (38) and a mounting ring (39); the guide column (34) is movably sleeved in the guide sleeve (35); a mounting ring (39) is arranged below the movable disk (31); the bottom end of the guide column (34) is connected to the surface of the mounting ring (39); a mounting tube (36) is installed at the bottom of the movable disk (31); a servo motor (37) is installed in the mounting tube (36); the output shaft of the servo motor (37) faces the mounting ring (39); the output shaft of the servo motor (37) is connected to the screw rod (38) via a coupling; a threaded hole is provided on the mounting ring (39); the screw rod (38) is threadedly connected to the threaded hole on the mounting ring (39).

8. The intelligent elevator fault detection device according to claim 7, characterized in that: An assembly card seat is installed on the side wall of the transmission box (51), and the display module (4) card seat is installed on the assembly card seat on the side of the transmission box (51). The bottom of the adjustment module (5) is connected to a hand-held handle (6), and a switch button (7) is arranged on the outer wall of the hand-held handle (6). The switch button (7) is electrically connected to the servo motor (37).