Elevator AI fault diagnosis and early warning device

Abstract

The invention discloses an elevator AI fault diagnosis and early warning device which comprises an elevator multi-source sensor capable of monitoring the vibration spectrum characteristic, the displacement trend characteristic and the working temperature of an elevator in real time; the elevator stop security check device can correct and detect the stop position of the elevator; the data acquisition library is used for receiving data acquired by the elevator multi-source sensor and the elevator stop security inspection device in real time through the edge gateway; the central processing unit can perform real-time feature extraction on the monitoring data in the data acquisition library and transmit an analysis result to the AI cloud platform layer; and the user terminal receives the feedback information of the AI cloud platform layer in real time. According to the elevator safety check system, the safety check assembly is responsible for correcting and monitoring when the elevator runs to any stop point, safe running of the elevator is guaranteed, if the elevator runs in a disjoint state, the car locking assembly and the safety check assembly are matched in time to lock and support the elevator, and it is guaranteed that the elevator does not have accidents such as falling.

Description

Technical Field

[0001] This invention specifically relates to the field of elevator fault early warning technology, and more specifically to an elevator AI fault diagnosis and early warning device. Background Art

[0002] With the rapid popularization of AI technology and its gradual application in elevator safety systems, current elevator safety systems mainly rely on speed governors and safety brake linkage mechanisms as the last mechanical protection barrier. This mechanism only triggers braking when the elevator's falling speed exceeds a predetermined threshold (usually ≥15% of the rated speed), resulting in a high accident rate. Furthermore, existing AI diagnostic models rely on indirect parameters such as vibration spectrum and temperature, and cannot directly capture the physical disconnection trend between the car and the guide rails. As a result, when the traction sheave slips slightly or the brake gradually fails, the system cannot provide early warning before the elevator falls, severely compressing the accident intervention window and lacking reliable safety protection measures for passengers. Summary of the Invention

[0003] Therefore, this invention proposes an elevator AI fault diagnosis and early warning device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an elevator AI fault diagnosis and early warning device, comprising:

[0005] Elevator multi-source sensors can monitor the vibration spectrum characteristics, displacement trend characteristics, and operating temperature of elevators in real time.

[0006] Elevator stop security detector, which can correct and detect the stopping position of the elevator;

[0007] The data acquisition library receives data in real time from elevator multi-source sensors and elevator stop security detectors via an edge gateway;

[0008] The central processing unit is capable of extracting features from the monitoring data in the data acquisition library in real time and transmitting the analysis results to the AI ​​cloud platform layer.

[0009] And the user terminal receives feedback information from the AI ​​cloud platform layer in real time. If the user terminal receives an elevator malfunction warning, it can send lock car and alarm commands to the elevator stop safety inspector and elevator alarm respectively through the PLC controller.

[0010] Optionally, the elevator stop security detector consists of two car locking assemblies and multiple security inspection assemblies, wherein the multiple security inspection assemblies are respectively fixed on the left and right sides of the rail frame inside the shaft and are respectively set at each stop position of the car frame during operation;

[0011] The two lock box assemblies are fixed to the side of the car frame, and the lock box assemblies can engage with any security inspection assembly on the same side.

[0012] Optionally, the security inspection component includes:

[0013] Drive unit, which is fixed to the car frame;

[0014] The skateboard is fitted with a sliding mechanism on the front of the drive unit and is driven by a screw-type sliding module inside the drive unit.

[0015] The detection box is fixed on the slide plate;

[0016] There are two bolts, which are symmetrically installed between the detection box and the folded part of the slide plate;

[0017] The lower hook has a straight handle and a folded hook. A sliding hole is provided through the straight handle, and a corresponding bolt is slidably connected in each sliding hole.

[0018] And an offset warning mechanism, which is in contact with the lower hook. When the lower hook moves toward the detection box, the offset warning mechanism is pressure-sensitive and issues a warning.

[0019] Optionally, a first spring is wound around the side wall of each of the bolts, and each first spring is connected between the straight handle of the lower hook and the detection box.

[0020] Optionally, the offset warning mechanism includes:

[0021] The pressure sensor is fixed inside the detection box;

[0022] The frame is fixed inside the detection box and located to the left of the pressure sensor;

[0023] The pressure column is slidably connected to the frame, and one end of the pressure column is fixedly connected to the pressure contact block;

[0024] And a second spring, which is wound around the side wall of the pressure column, with the two ends of the second spring connected to the inner side wall of the frame and the pressure column respectively, and under the elastic tension of the second spring, the other end of the pressure column abuts against the straight handle of the lower hook.

[0025] Optionally, the pressure contact block is coaxially arranged with the sensing module of the pressure sensor, and initially, under the elastic tension of the second spring, a gap of 5-10 mm is provided between the pressure contact block and the sensing module of the pressure sensor.

[0026] Optionally, the security inspection component further includes an infrared monitoring device, which is fixed to the rail frame inside the well using a folding bracket, and the infrared monitoring device is located below the detection box.

[0027] Optionally, the lock assembly includes:

[0028] A fixed seat is fixed to the car frame, and a sleeve is fixed inside the fixed seat;

[0029] The upper hook is adapted to slide inside the housing, and the top of the upper hook is configured as a hook portion;

[0030] There are two guide pins, which are symmetrically fixed inside the housing. Each guide pin is adapted to slide into the corresponding guide groove on the upper hook.

[0031] And a hydraulic cylinder, the fixed end of which is fixed inside the housing, and the moving end of the hydraulic cylinder is fixedly connected to the upper hook.

[0032] Optionally, the upper hook and the lower hook are fitted together so that the upper hook and the lower hook can engage.

[0033] The present invention employs the above technology and has the following beneficial effects compared with the existing technology: In the present invention, the safety inspection component is responsible for correcting and monitoring the elevator at any stopping point to ensure the safe operation of the elevator. If the elevator is in a disengaged state, causing a slight downward movement that cannot be analyzed by the central processor and AI cloud platform, the screw-type sliding module in the safety inspection component drives the sliding plate to move towards the lock car component. The lower hook is subjected to reverse pushing force, pushing the pressure column to the right, so that the pressure contact block abuts against the sensing module of the pressure sensor. At this time, the data transmitted by the pressure sensor is analyzed and a warning is sent to the user terminal. The PLC controller sends a locking command to the lock car component to lock and support the elevator in time, ensuring that the elevator does not fall or other accidents. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the system of the present invention;

[0035] Figure 2 This is a schematic diagram of the installation of the present invention;

[0036] Figure 3 This is a schematic diagram of the internal structure of the lock box assembly in this invention;

[0037] Figure 4 This is a schematic diagram of the installation of the security inspection component in this invention;

[0038] Figure 5 This is a schematic diagram of the security inspection component in this invention;

[0039] Figure 6 This is a schematic diagram of the internal structure of the security inspection component in this invention;

[0040] Figure 7 This is a schematic diagram showing the different working states of the security inspection component and the lock box component in this invention.

[0041] In the diagram: 1. Inner shaft rail frame; 3. Car frame; 5. Safety inspection components; 6. Upper hook; 7. Guide slot; 8. Guide pin; 9. Fixed seat; 10. Hydraulic cylinder; 11. Housing;

[0042] 501. Slide plate; 502. Drive seat; 503. Detection box; 504. Infrared monitoring equipment; 505. Folding frame; 506. Lower hook; 507. Pressure column; 508. Bolt column; 509. First spring; 510. Second spring; 511. Frame; 512. Pressure contact block; 513. Pressure sensor. Detailed Implementation

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0044] Example: Please refer to the appendix Figure 1-7 This invention provides a technical solution: an elevator AI fault diagnosis and early warning device, comprising:

[0045] Elevator multi-source sensors mainly include vibration sensors, temperature sensors and displacement sensors to monitor the vibration spectrum characteristics, displacement trend characteristics and operating temperature of the elevator in real time.

[0046] Elevator stop security detector, which can correct and detect the stopping position of the elevator;

[0047] The data acquisition library receives data in real time from elevator multi-source sensors and elevator stop security detectors via an edge gateway;

[0048] The central processing unit is capable of extracting features from the monitoring data in the data acquisition library in real time and transmitting the analysis results to the AI ​​cloud platform layer.

[0049] And the user terminal receives feedback information from the AI ​​cloud platform layer in real time. If the user terminal receives an elevator malfunction warning, it can send lock car and alarm commands to the elevator stop safety inspector and elevator alarm through the PLC controller, and then send out a stop and maintenance notice for the elevator.

[0050] In this embodiment, the elevator stop security detector consists of two car locking assemblies and multiple security inspection assemblies 5. The multiple security inspection assemblies 5 are respectively fixed on the left and right sides of the rail frame 1 in the shaft and are respectively set at each stop position of the car frame 3 during operation.

[0051] Two lock box assemblies are fixed to the side of the car frame 3, and the lock box assemblies can be engaged with any one of the security inspection assemblies 5 on the same side.

[0052] In this embodiment, the security inspection component 5 includes:

[0053] Drive seat 502, which is fixed on car frame 3;

[0054] The slide plate 501 is adapted to slide on the front of the drive base 502 and is driven by the screw-type sliding module inside the drive base 502.

[0055] The detection box 503 is fixed on the slide plate 501;

[0056] Two bolts 508 are provided and are symmetrically installed between the folded part of the detection box 503 and the slide plate 501;

[0057] The lower hook 506 has a straight handle and a folded hook. A sliding hole is provided through the straight handle, and a corresponding bolt 508 is slidably connected in each sliding hole.

[0058] And an offset warning mechanism, which is in contact with the lower hook 506. When the lower hook 506 moves toward the detection box 503, the offset warning mechanism is pressure-sensitive and issues a warning.

[0059] In this embodiment, a first spring 509 is wound around the side wall of each bolt 508, and each first spring 509 is connected between the straight handle of the lower hook 506 and the detection box 503.

[0060] In other words, the lower hook 506 can be directionally moved between the detection box 503 and the folded part of the slide plate 501, and initially, under the elastic tension of the first spring 509, the straight handle of the lower hook 506 abuts against the folded part of the slide plate 501.

[0061] Furthermore, the design of the first spring 509 can also provide a certain clearance effect during the engagement of the lower hook 506 and the lock box assembly.

[0062] In this embodiment, the offset warning mechanism includes:

[0063] Pressure sensor 513 is fixed inside detection box 503;

[0064] The frame 511 is fixed inside the detection box 503 and is located to the left of the pressure sensor 513;

[0065] The pressure column 507 is slidably connected to the frame 511, and one end of the pressure column 507 is fixedly connected to the pressure contact block 512.

[0066] And a second spring 510, which is wound around the side wall of the pressure column 507. The two ends of the second spring 510 are respectively connected to the inner side wall of the frame 511 and the pressure column 507. Under the elastic tension of the second spring 510, the other end of the pressure column 507 abuts against the straight handle of the lower hook 506.

[0067] It should be noted that when the hook 506 moves to the right under the pushing force, it first overcomes the elastic force of the second spring, and then drives the pressure column 507 to move towards the pressure sensor, so that the pressure contact block 512 abuts against the sensing module of the pressure sensor 513. It should also be noted that when the pressure sensor 513 is pressed, the data collected is transmitted to the data acquisition library in real time. After analysis by the central processor and the AI ​​cloud platform layer, a locking command is issued to the lock box assembly.

[0068] In this embodiment, the pressure contact block 512 and the sensing module of the pressure sensor 513 are arranged coaxially. Initially, under the elastic tension of the second spring 510, there is a gap of 5-10mm between the pressure contact block 512 and the sensing module of the pressure sensor 513, which effectively avoids instantaneous vibration interference.

[0069] In this embodiment, the security inspection component 5 also includes an infrared monitoring device 504, which is fixed on the inner rail frame 1 by a folding bracket 505 and is located below the detection box 503.

[0070] In this embodiment, the lock assembly includes:

[0071] The fixed seat 9 is fixed on the car frame 3, and the fixed seat 9 has a sleeve 11 fixed inside it;

[0072] The upper hook 6 is adapted to slide inside the housing 11, and the top of the upper hook 6 is set as a hook part.

[0073] There are two guide pins 8, which are symmetrically fixed inside the housing 11. Each guide pin 8 is adapted to slide into the corresponding guide groove 7 on the upper hook 6.

[0074] And the hydraulic cylinder 10, whose fixed end is fixed inside the housing 11, and whose moving end is fixedly connected to the upper hook 6.

[0075] In this embodiment, the upper hook 6 and the lower hook 506 are fitted together so that the upper hook 6 and the lower hook 506 can be engaged.

[0076] In practical implementation, when the elevator is running stably and without any disconnections, the safety inspection component performs a correction action when it stops at any stopping point. Specifically, the screw-type sliding module drives the sliding plate towards the lock car assembly. Due to the initial design, the lower hook surface of the upper hook 6 is flush with the upper hook surface of the lower hook 506 (see Appendix). Figure 7In the middle state (a), the upper hook 6 and the lower hook 506 do not collide, so the pressure sensor does not react to pressure. At this time, the feedback data is normal, so there is no warning and the elevator runs normally.

[0077] When the elevator is in a disengaged state, causing a slight downward movement that cannot be analyzed by the central processor and AI cloud platform, the safety inspection component performs a correction action when the elevator stops at any stopping point. Specifically, the screw-type sliding module drives the slide plate to move towards the lock car assembly. Since the upper hook 6 is in a downward offset state at this time, the upper hook 6 abuts against the lower hook 506. The lower hook 506 is pushed to the right by the reverse pushing force, so that the pressure contact block 512 abuts against the sensing module of the pressure sensor 513. At this time, the data transmitted by the pressure sensor 513 is analyzed and a warning is sent to the user terminal, and a locking command is sent to the lock car assembly through the PLC controller.

[0078] During the locking process, the hydraulic cylinder drives the upper hook 6 to move upward. Since the lower hook 506 is in contact with the upper hook 6, the lower hook 506 will be pushed to the right by a lateral force, making a certain distance of clearance. Once the lower hook surface of the upper hook 6 is higher than the upper hook surface of the lower hook 506, the first spring resets and pushes the lower hook 506 back to its original position. Immediately afterwards, the hydraulic cylinder drives the upper hook 6 to move downward until the upper hook 6 and the lower hook 506 engage and lock (see Appendix). Figure 7 (In state b), to ensure that the elevator does not fall or cause other accidents.

[0079] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An elevator AI fault diagnosis and early warning device, characterized in that, It includes: Elevator multi-source sensors can monitor the vibration spectrum characteristics, displacement trend characteristics, and operating temperature of elevators in real time. Elevator stop security detector, which can correct and detect the stopping position of the elevator; The data acquisition library receives data in real time from elevator multi-source sensors and elevator stop security detectors via an edge gateway; The central processing unit is capable of extracting features from the monitoring data in the data acquisition library in real time and transmitting the analysis results to the AI ​​cloud platform layer. And the user terminal receives feedback information from the AI ​​cloud platform layer in real time. If the user terminal receives an elevator malfunction warning, it can send lock car and alarm commands to the elevator stop safety inspector and elevator alarm respectively through the PLC controller.

2. The elevator AI fault diagnosis and early warning device according to claim 1, characterized in that: The elevator stop security detector consists of two lock car components and multiple security inspection components (5). The multiple security inspection components (5) are respectively fixed on the left and right sides of the rail frame (1) in the shaft and are respectively set at each stop position of the car frame (3) during operation. The two lock box assemblies are fixed to the side of the car frame (3), and the lock box assembly can be engaged with any security inspection assembly (5) on the same side.

3. The elevator AI fault diagnosis and early warning device according to claim 2, characterized in that: The security inspection component (5) includes: Drive seat (502), which is fixed on car frame (3); The skateboard (501) is adapted to slide on the front of the drive seat (502) and is driven by the screw-type sliding module inside the drive seat (502); The detection box (503) is fixed on the slide plate (501); Two bolts (508) are provided and are symmetrically installed between the folded part of the detection box (503) and the slide plate (501); The lower hook (506) has a straight handle and a folded hook. A sliding hole is provided through the straight handle, and a corresponding bolt (508) is slidably connected in each of the sliding holes. And an offset warning mechanism, which is in contact with the lower hook (506), and when the lower hook (506) moves toward the detection box (503), the offset warning mechanism is pressure-sensitive and issues a warning.

4. The elevator AI fault diagnosis and early warning device according to claim 3, characterized in that: Each of the bolts (508) has a first spring (509) wound around its sidewall, and each of the first springs (509) is connected between the straight handle of the lower hook (506) and the detection box (503).

5. The elevator AI fault diagnosis and early warning device according to claim 3, characterized in that: The offset warning mechanism includes: A pressure sensor (513) is fixed inside a detection box (503); The frame (511) is fixed inside the detection box (503) and located to the left of the pressure sensor (513); A pressure column (507) is slidably connected to a frame (511), and one end of the pressure column (507) is fixedly connected to a pressure contact block (512); And a second spring (510) is wound around the side wall of the pressure post (507). The two ends of the second spring (510) are respectively connected to the inner side wall of the frame (511) and the pressure post (507), and under the elastic tension of the second spring (510), the other end of the pressure post (507) abuts against the straight handle of the lower hook (506).

6. The elevator AI fault diagnosis and early warning device according to claim 5, characterized in that: The pressure contact block (512) and the sensing module of the pressure sensor (513) are arranged coaxially, and initially, under the elastic tension of the second spring (510), there is a gap of 5~10mm between the pressure contact block (512) and the sensing module of the pressure sensor (513).

7. The elevator AI fault diagnosis and early warning device according to claim 3, characterized in that: The security inspection component (5) also includes an infrared monitoring device (504), which is fixed on the well rail frame (1) by a folding bracket (505) and is located below the detection box (503).

8. The elevator AI fault diagnosis and early warning device according to claim 3, characterized in that: The lock assembly includes: A fixed seat (9) is fixed on the car frame (3), and a sleeve (11) is fixed inside the fixed seat (9). The upper hook (6) is adapted to slide inside the housing (11), and the top of the upper hook (6) is configured as a hook portion; There are two guide pins (8) and they are symmetrically fixed inside the housing (11). Each guide pin (8) is adapted to slide into the corresponding guide groove (7) on the upper hook (6). And a hydraulic cylinder (10), the fixed end of which is fixed inside the housing (11), and the moving end of the hydraulic cylinder (10) is fixedly connected to the upper hook (6).

9. The elevator AI fault diagnosis and early warning device according to claim 8, characterized in that: The upper hook (6) and the lower hook (506) are fitted together so that the upper hook (6) and the lower hook (506) can be engaged.

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