Escalator operation condition-based fault diagnosis data acquisition device

Abstract

The utility model relates to escalator safety monitoring technical field especially based on automatic escalator operation condition fault diagnosis data acquisition device, including acquisition pedestal, the acquisition pedestal top is equipped with sensor module, the inside vibration sensor, current sensor, temperature sensor, infrared sensor and speed sensor are equipped with in sensor module, the inside signal conditioning circuit and embedded processor are equipped in acquisition pedestal, sensor module is connected with signal conditioning circuit and embedded processor electricity respectively, and sensor module and acquisition pedestal pass through screw fixed, the acquisition pedestal top is equipped with the connecting contact point. Through many sensors cooperation monitoring, according to the escalator start -stop, uniform speed, full load etc. Operating condition dynamic adjustment sampling frequency, optimize data effectiveness, through many parameter collaborative analysis, improve fault identification accuracy, and reduce artificial inspection cost, realize predictive maintenance.

Description

Technical Field

[0001] This utility model relates to the field of escalator safety monitoring technology, and in particular to a data acquisition device for fault diagnosis based on escalator operating conditions. Background Technology

[0002] Escalators are widely used in various public places to automatically transport people between two fixed locations. The steps are mounted on the escalator's truss and circulate, providing a standing area for passengers.

[0003] Escalators are prone to mechanical wear, electrical faults, or transmission abnormalities during long-term operation. Traditional manual inspections are inefficient and fail to detect potential problems in a timely manner. Existing monitoring devices often rely on single sensors (such as vibration or current sensors), resulting in insufficient data dimensions and leading to missed or false fault diagnoses. Utility Model Content

[0004] This invention provides a fault diagnosis data acquisition device based on escalator operating conditions to solve the problems mentioned above.

[0005] This utility model provides a data acquisition device for fault diagnosis of escalator operation conditions, including an acquisition base. A sensor module is provided on the top of the acquisition base. The sensor module contains a vibration sensor, a current sensor, a temperature sensor, an infrared sensor, and a speed sensor. The acquisition base contains a signal conditioning circuit and an embedded processor. The sensor module is electrically connected to the signal conditioning circuit and the embedded processor respectively.

[0006] Preferably, the acquisition base is equipped with a data output module, which is electrically connected to the acquisition base.

[0007] Preferably, the data acquisition base is equipped with an audible and visual alarm, which is electrically connected to the data acquisition base.

[0008] Preferably, the sensor module is fixed to the acquisition base with screws. The top of the acquisition base is provided with a connection contact point, which is electrically connected to the signal conditioning circuit and the embedded processor. The bottom of the sensor module is provided with a contact point that matches the connection contact point.

[0009] The technical solution provided by this utility model embodiment has the following advantages compared with the prior art:

[0010] 1. The device provided by this utility model uses multiple sensors to monitor and dynamically adjust the sampling frequency according to the escalator's start-stop, constant speed, full load and other operating conditions to optimize data effectiveness; through multi-parameter collaborative analysis, it improves the accuracy of fault identification and reduces the cost of manual inspection, thus achieving predictive maintenance; at the same time, the device is easy to install and does not require modification of the escalator's main structure.

[0011] 2. The device provided by this utility model, through its built-in signal conditioning circuit, can perform real-time filtering and feature extraction (FFT) spectrum analysis;

[0012] 3. The device provided by this utility model can transmit monitoring data to a cloud platform through a data transmission module, supporting remote diagnosis.

[0013] 4. The device provided by this utility model realizes the linkage between local sound and light alarm and remote push through the alarm module.

[0014] 5. The device provided by this utility model features a modularly designed sensor that is easy to disassemble and replace, adaptable to different brands of escalators, and easy to install. Attached Figure Description

[0015] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram showing the separation of the sensor module and the data acquisition base of this utility model.

[0019] In the diagram: 1. Data acquisition base; 2. Sensor module; 21. Vibration sensor; 22. Current sensor; 23. Temperature sensor; 24. Infrared sensor; 25. Speed ​​sensor; 3. Data output module; 4. Audible and visual alarm; 5. Embedded processor. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] Various embodiments of this utility model may exist in the form of a range. It should be understood that the description in the form of a range is merely for convenience and brevity and should not be construed as a rigid limitation on the scope of this utility model. Therefore, it should be considered that the range description has specifically disclosed all possible sub-ranges and single numerical values ​​within that range. For example, it should be considered that the range description from 1 to 6 has specifically disclosed sub-ranges, such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., and single numbers within the range, such as 1, 2, 3, 4, 5, and 6, regardless of the range. In addition, whenever a numerical range is indicated in this utility model, it means including any referenced number (fraction or integer) within the indicated range. Unless otherwise specified, all raw materials, reagents, instruments, and equipment used in this utility model can be purchased commercially or prepared using existing equipment.

[0022] In this invention, unless otherwise stated, directional terms such as "upper" and "lower" specifically refer to the directions shown in the accompanying drawings. Furthermore, in this invention, terms such as "comprising" and "including" mean "including but not limited to." In this invention, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. In this invention, "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. A and B can be singular or plural. In this invention, "at least one" means one or more, and "more than one" means two or more. "At least one," "at least one of the following," or similar expressions refer to any combination of these items, including any combination of a single item or a plural item. For example, "at least one of a, b, or c", or "at least one of a, b, and c", can both mean: a, b, c, ab, i.e., a and b, ac, bc, or abc, where a, b, and c can be a single or multiple.

[0023] like Figure 1 and Figure 2 As shown, a fault diagnosis data acquisition device based on escalator operation conditions includes an acquisition base 1. A sensor module 2 is provided on the top of the acquisition base 1. The sensor module 2 is equipped with a vibration sensor 21, a current sensor 22, a temperature sensor 23, an infrared sensor 24, and a speed sensor 25. The acquisition base 1 is equipped with a signal conditioning circuit and an embedded processor 5. The sensor module 2 is electrically connected to the signal conditioning circuit and the embedded processor 5 respectively.

[0024] Specifically: by setting vibration sensor 21, abnormal conditions of chain and guide rail can be monitored; current sensor 22 can detect the load of escalator motor; temperature sensor 23 can monitor overheating of bearings and brakes; infrared sensor 24 can check for foreign objects blocking the escalator; and speed sensor 25 can monitor synchronization deviation.

[0025] like Figure 1 and Figure 2 As shown: The data acquisition base 1 is equipped with a data output module 3, which is electrically connected to the data acquisition base 1.

[0026] Specifically: Through data transmission module 3, monitoring data can be transmitted to the cloud platform, supporting remote diagnostics.

[0027] like Figure 1 and Figure 2 As shown: The acquisition base 1 is equipped with an audible and visual alarm 4, which is electrically connected to the acquisition base 1.

[0028] Specifically: Alarm module 4 enables the linkage between local audible and visual alarms and remote push notifications.

[0029] like Figure 1 and Figure 2 As shown: the sensor module 2 is fixed to the acquisition base 1 by screws. The top of the acquisition base 1 is provided with a connection contact point, which is electrically connected to the signal conditioning circuit and the embedded processor 5. The bottom of the sensor module 2 is provided with a contact point that matches the connection contact point.

[0030] Specifically: The modular design of the sensor makes it easy to disassemble and replace, adapt to different brands of escalators, and is easy to install.

[0031] The above description is merely a specific embodiment of this utility model, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined in this utility model may be implemented in other embodiments without departing from the spirit or scope of this utility model. Therefore, this utility model is not to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and novel features claimed in this utility model.

Claims

1. A data acquisition device for fault diagnosis based on escalator operating conditions, comprising an acquisition base (1), characterized in that: The acquisition base (1) is equipped with a sensor module (2) on its top. The sensor module (2) is equipped with a vibration sensor (21), a current sensor (22), a temperature sensor (23), an infrared sensor (24), and a speed sensor (25). The acquisition base (1) is equipped with a signal conditioning circuit and an embedded processor (5). The sensor module (2) is electrically connected to the signal conditioning circuit and the embedded processor (5) respectively.

2. The data acquisition device for fault diagnosis based on escalator operating conditions according to claim 1, characterized in that: The acquisition base (1) is equipped with a data output module (3), which is electrically connected to the acquisition base (1).

3. The data acquisition device for fault diagnosis based on escalator operating conditions according to claim 2, characterized in that: The acquisition base (1) is equipped with an audible and visual alarm (4), which is electrically connected to the acquisition base (1).

4. A data acquisition device for fault diagnosis based on escalator operating conditions according to any one of claims 1 to 3, characterized in that: The sensor module (2) is fixed to the acquisition base (1) by screws. The acquisition base (1) has a connection contact point at the top, which is electrically connected to the signal conditioning circuit and the embedded processor (5). The sensor module (2) has a contact point at the bottom that is compatible with the connection contact point.

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