CN112607570A - Multidimensional sensing data sensing system suitable for escalator - Google Patents
Multidimensional sensing data sensing system suitable for escalator Download PDFInfo
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- CN112607570A CN112607570A CN202011452532.0A CN202011452532A CN112607570A CN 112607570 A CN112607570 A CN 112607570A CN 202011452532 A CN202011452532 A CN 202011452532A CN 112607570 A CN112607570 A CN 112607570A
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- monitoring
- escalator
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- monitoring module
- reduction gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
- B66B25/006—Monitoring for maintenance or repair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B27/00—Indicating operating conditions of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
Abstract
The invention discloses a multi-dimensional sensing data sensing system suitable for an escalator, belonging to the field of escalator monitoring and comprising a hand strap monitoring module, a reduction gear box monitoring module, a driving wheel monitoring module and a step monitoring module; the handrail monitoring module is used for realizing the real-time monitoring of the movement between the handrail and the friction wheel; the reduction gear box monitoring module is used for monitoring the running state of the reduction gear box; the driving wheel monitoring module is used for realizing real-time monitoring of the running state of the driving wheel; the step monitoring module is used for realizing the real-time monitoring of the step running state. According to the multi-dimensional sensing data sensing system suitable for the escalator, provided by the invention, through the corresponding arrangement of the various monitoring modules, the comprehensive monitoring of each structural component of the escalator can be realized, a complete multi-dimensional monitoring system is constructed, the normal and stable operation of the escalator is ensured, the generation of potential safety hazards is effectively reduced, and the multi-dimensional sensing data sensing system has a better practical value.
Description
Technical Field
The invention belongs to the field of escalator monitoring, and particularly relates to a multi-dimensional sensing data sensing system suitable for an escalator.
Background
With the rapid development of society and the remarkable improvement of living standard of people, people put forward higher requirements on clothes and eating houses, and meanwhile, the rapid development of places such as business circles, airports, railway stations and the like is powerfully promoted. In the process of accelerating development and construction of the escalator, the escalator serves as an indispensable travel-replacing device, so that the escalator plays an important role in the construction of a large number of cities.
With the continuous expansion of the application field of the escalator and the continuous improvement of the quality requirement of people on the escalator, the safety problem in the running process of the escalator becomes more and more important. However, when an accident occurs during the operation of the escalator at present, it is a common practice to take safety protection measures, such as safety protection devices such as a travel switch and a self-locking device, at key parts of the escalator. However, this type of measure is only an emergency countermeasure after an accident occurs, and can reduce the possibility of a larger disaster to some extent, but cannot avoid a safety accident.
In addition, in the existing escalator detection means, only a single part or a single module is detected generally, and the detection method is only a detection method for the escalator from a one-dimensional perspective, so that the escalator detection method has great limitation in the aspect of ensuring the safety of the escalator, often cannot form a complete detection system, and further causes potential safety hazards.
Disclosure of Invention
Aiming at one or more of the defects or the improvement requirements in the prior art, the invention provides the multi-dimensional sensing data sensing system suitable for the escalator, wherein the comprehensive monitoring of all structural components of the escalator is realized through the corresponding arrangement of various monitoring modules, a complete multi-dimensional monitoring system is constructed, and the generation of potential safety hazards is effectively reduced.
In order to achieve the aim, the invention provides a multi-dimensional sensing data sensing system suitable for an escalator, which comprises a hand strap monitoring module, a reduction gear box monitoring module, a driving wheel monitoring module and a step monitoring module;
the hand strap monitoring module corresponds to the hand strap position of the escalator and is used for realizing the real-time monitoring of the motion state between the hand strap and the friction wheel;
the speed reduction gear box monitoring module is arranged on a speed reduction gear box of the escalator and used for monitoring the running state of the speed reduction gear box;
the driving wheel monitoring module is arranged on a main driving wheel of the escalator and used for realizing real-time monitoring of the running state of the driving wheel;
the step monitoring module is arranged corresponding to the steps of the escalator and is used for monitoring the running state of the steps in real time.
As a further preferable aspect of the present invention, the handrail belt monitoring module includes two first infrared sensors respectively disposed on both sides of the friction wheel, and is configured to monitor a temperature of the handrail belt just before contacting the friction wheel and a temperature of the handrail belt just before separating from the friction wheel, respectively.
As a further preferred of the present invention, the reduction gear box monitoring module includes a first vibration sensor and a first noise sensor fixedly mounted on the reduction gear box, and a current sensor for monitoring a state of an internal circuit of the reduction gear box.
As a further preferred aspect of the present invention, the driving wheel monitoring module includes a second vibration sensor and a third noise sensor provided on an end surface of the main driving wheel.
As a further preferable mode of the present invention, the step monitoring module includes a second noise sensor and a fourth noise sensor, and the second noise sensor and the fourth noise sensor are respectively disposed at turning positions of steps at the head and the tail of the escalator.
As a further preferred aspect of the present invention, the monitoring system further comprises a data collecting box electrically connected to some or all of the monitoring modules, and configured to receive the monitoring data collected by the corresponding monitoring modules; and the upper computer is arranged corresponding to the data acquisition box and used for receiving the data processing result of the data acquisition box and feeding back the data processing result.
As a further preferred aspect of the present invention, the data acquisition boxes are respectively provided with a database corresponding to the monitoring modules electrically connected thereto, for implementing real-time comparison between the monitoring data of the monitoring modules and the data in the corresponding databases.
As a further preferable mode of the present invention, the upper computer receives data comparison information fed back by the data acquisition box, and obtains the state evaluation of the escalator according to the data comparison information.
As a further preferable aspect of the present invention, a plurality of data transmission channels are disposed in the data collection box, and the data transmission channels are used for transmitting the monitoring data on at least one monitoring module.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
(1) according to the multi-dimensional sensing data sensing system suitable for the escalator, disclosed by the invention, the accurate monitoring of the hand strap, the reduction gear box, the driving wheel and the step structure in the escalator is completed by adopting a plurality of sensors of various types, the accurate condition of information of key modules of the escalator is realized, the accurate running state of the escalator is comprehensively mastered, the running stability of the escalator is ensured, and further, the safety of personnel and equipment is effectively guaranteed.
(2) According to the multi-dimensional sensing data sensing system suitable for the escalator, the second infrared sensor is additionally arranged at the corresponding position of the tail end of the bottom of the hand strap on the hand strap monitoring module, so that a reliable hand strap normal-temperature data reference is provided for the first infrared sensor, and the monitoring accuracy of the hand strap monitoring module is greatly improved.
(3) According to the multi-dimensional sensing data sensing system suitable for the escalator, the real-time monitoring data of each sensor can be timely compared with the data in a normal state by constructing the database of each monitoring module, the analysis and judgment speed of the multi-dimensional sensing data sensing system is greatly improved, potential safety hazards are timely discovered, and the safety of personnel and equipment is ensured.
(4) The multi-dimensional sensing data sensing system suitable for the escalator is simple in structure and convenient to fixedly install, the running state of each key part of the escalator is monitored through the various types of electrical sensors, a comprehensive and reliable data basis is provided for the evaluation of the health state of the escalator, the maintenance strategy of the escalator can be guided and formulated by the evaluation result, preventive maintenance is achieved, and the occurrence probability of accidents is greatly reduced.
Drawings
FIG. 1 is a schematic top view of a multi-dimensional sensing data perception system according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a bottom structure of a multidimensional sensing data sensing system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the overall structure of a multi-dimensional sensing data perception system in an embodiment of the invention;
FIG. 4 is a schematic diagram of a monitoring portion of a multi-dimensional sensing data perception system according to an embodiment of the invention;
FIG. 5 is a hardware architecture diagram of a multidimensional sensing data perception system in an embodiment of the invention.
In all the figures, the same reference numerals denote the same features, in particular:
1. a drive motor; 2. a data acquisition box; 3. a reduction gear box; 4. a handrail belt; 5. a friction wheel; 6. a main drive wheel; 7. a drive wheel bearing; 8. a staircase truss;
13. a first infrared sensor; 16. a second infrared sensor;
9. a first vibration sensor; 10. a first noise sensor; 11. a current sensor;
14. a second vibration sensor; 15. a third noise sensor;
12. a second noise sensor; 17. a fourth noise sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example (b):
the multi-dimensional monitoring escalator in the preferred embodiment of the invention is shown in fig. 1-5. The escalator step monitoring device comprises a hand strap monitoring module, a reduction gear box monitoring module, a driving wheel monitoring module and a step monitoring module, and can realize multi-dimensional monitoring of the escalator through corresponding matching of the modules, so that the safety and reliability of the escalator are ensured.
Specifically, in the preferred embodiment, the handrail 4 is provided on the top end surface of the escalator truss 8, and an escalator running mechanism including a drive motor 1, a reduction gear box 3, a main drive wheel 6, a drive wheel bearing 7, an escalator step, a driven wheel, and a friction wheel 5 is provided on the basis of the escalator truss 8. Wherein, driving motor 1, main drive wheel 6, reduction gear box 3 set up in the escalator running gear top position, and driving motor 1 transmits drive power to main drive wheel 6 through reduction gear box 3. The driven wheel is arranged at the bottom of the escalator driving mechanism, the escalator steps are matched with the escalator truss, and the head and tail ends of the escalator steps are respectively matched with the main driving wheel 6 and the driven wheel, so that the steps can finish the stable operation of the escalator steps under the driving of the main driving wheel 6. Except that the friction wheel 5 is also arranged at the top position of the escalator operating mechanism and is matched with the handrail 4, and the handrail 4 is driven to move by the friction wheel 5.
On the basis, the hand strap monitoring module corresponds to the position of the hand strap 4 of the escalator and is used for monitoring the state of the hand strap 4; the speed reduction gear box monitoring module is arranged on the speed reduction gear box 3 of the escalator and used for monitoring the state of the speed reduction gear box 3; the driving wheel monitoring module is correspondingly arranged at the position of the main driving wheel 6 and is used for monitoring the driving wheel; and the step monitoring module is arranged on the escalator truss 8 and used for monitoring the steps.
Further, as shown in FIGS. 1-4, the handrail monitoring module in a preferred embodiment includes a first infrared sensor 13 and a second infrared sensor 16. The first infrared sensor 13 is arranged at the position corresponding to the friction wheel 5 at the top of the escalator operation structure, and the second infrared sensor 16 is arranged on the escalator truss 8 at the bottom of the escalator. Because the movement of the handrail 4 is realized by the friction between the handrail and the friction wheel 5, and the handrail 4 generates a large amount of heat in the process of just contacting the friction wheel 5 and separating from the friction wheel 5, the first infrared sensors 13 are required to be respectively arranged at the corresponding positions of the handrail 4 just contacting the friction wheel 5 and separating from the friction wheel 5 so as to monitor the temperature of the handrail 4 when contacting and separating from the friction wheel 5. Correspondingly, a second infrared sensor 16 for monitoring the bottom end temperature of the hand strap 4 is arranged at the position of the escalator truss 8 at the bottom of the escalator, so that the temperature value of the hand strap 4 in the normal operation process is provided, the working temperature of the hand strap 4 can be accurately obtained through the temperature difference among the three infrared sensors, and then whether the hand strap is too tight or has relative sliding is judged through a corresponding algorithm. Of course, to realize the monitoring of the two handrail belts 4 of the escalator, it is preferable that both handrail belts 4 are provided with the handrail belt monitoring module.
Further, the reduction gearbox 3 is an important transmission module between the drive motor 1 and the main drive wheels 6, and thus, in the preferred embodiment, monitoring thereof is achieved by providing a reduction gearbox monitoring module. The reduction gearbox monitoring module comprises a first vibration sensor 9, a first noise sensor 10 and a current sensor 11. Wherein, first vibration sensor 9 and first noise sensor 10 are all fixed to be set up on this reduction gear 3's box periphery wall for realize the real-time supervision to the interior vibration situation of reduction gear 3 and the noise condition. The current sensor 11 is fixedly installed on the box body of the reduction gear box 3, and is electrically connected with the internal circuit of the reduction gear box 3, so as to realize the monitoring of the internal circuit of the reduction gear box 3. The vibration, noise and current data of the reduction gear box 3 are monitored from three dimensions through the first vibration sensor 9, the first noise sensor 10 and the current sensor 11, and the health state of the reduction gear box 3 is judged through comprehensive analysis of the three data. Preferably, the first vibration sensor 9 and the first noise sensor 10 can be arranged on the peripheral wall of the reduction gearbox at intervals, vibration and noise information generated by the gear pair in the reduction gearbox 3 can be accurately captured aiming at the position of the gear pair in the reduction gearbox, and the accuracy of monitoring the internal structure of the reduction gearbox 3 is ensured.
As shown in fig. 2 to 3, the driving wheel comprises a main driving wheel 6 and a driving wheel bearing 7, and the main driving wheel 6 is rigidly connected with the driving wheel bearing 7. On the basis of this, the driving force transmitted from the reduction gear box 3 is stably output to the escalator steps by the main driving wheel 6. In a preferred embodiment, the driving wheel monitoring module is used for realizing real-time monitoring of the structural state of the driving wheel. The driving wheel monitoring module includes a second vibration sensor 14 and a third noise sensor 15 which are correspondingly provided on the driving wheels. A second vibration sensor 14 and a third noise sensor 15 are provided on the end face of the main driving wheel 6, and vibration data during operation of the main driving wheel 6 is monitored by the second vibration sensor 14, and noise data generated during operation of the main driving wheel 6 in cooperation with the driving wheel bearing 7 is monitored by the third noise sensor 15. The running state of the driving wheel is accurately judged through the vibration data and the noise data of the driving wheel, and potential safety hazards in the running process of the escalator are timely eliminated.
Of course, the manner in which the second vibration sensor 14 and the third noise sensor 15 are disposed is not limited to only the above. In a preferred embodiment, the second vibration sensor 14 and the third noise sensor 15 may be provided in plurality at intervals in the circumferential direction on the end surface of the main drive wheel 6. In the monitoring process of the driving wheel, the reliability of the monitoring data can be ensured through comprehensive monitoring of a plurality of positions, the inaccuracy of the monitoring data caused by equipment faults is avoided, and the probability of potential safety hazards is effectively reduced.
In addition, in a preferred embodiment, the step monitoring module is used to enable monitoring of the escalator step condition. The step monitoring module includes a second noise sensor 12 and a fourth noise sensor 17. Because the step faults of the escalator mainly occur at the positions where the first end and the last end of the steps of the escalator are overturned, noise is generated in the step overturning process. In view of this, the second noise sensor 12 is fixedly disposed at a position corresponding to the main driving wheel 6 engaged with the head end of the escalator step, and correspondingly, the fourth noise sensor 17 is fixedly disposed at a position corresponding to the driven wheel engaged with the head end of the escalator step, so as to implement real-time monitoring of noise generated during the step turning process, and determine the health status of the step by analyzing the noise generated during the step operation. At the same time, since the step and the main drive wheel 6 are rigidly connected, the second vibration sensor 14 also monitors the vibration state of the step, and monitors the state of the step in cooperation with the noise sensor. Preferably, in another preferred embodiment, the step overturning position is further provided with a positioning sensor fixed on the escalator truss 8, and the positioning sensor can be a laser sensor, a sound wave positioning sensor or a video recognition sensor for tracking and positioning the position of the fault step.
In addition, in a preferred embodiment, each module is preset on the corresponding part of the escalator before the escalator is installed, so that the field installation process of the escalator is simplified.
Preferably, in a preferred embodiment, as shown in fig. 1 and 5, a data acquisition box 2 is further disposed at a top position of the escalator driving mechanism, and the data acquisition box 2 is electrically connected with some or all of the monitoring modules for collecting, storing and processing the monitoring data of each monitoring module, and sending related information to an upper computer, and the upper computer further processes and analyzes the monitoring data to finally obtain an evaluation of the escalator state, so that a corresponding maintenance strategy can be formulated for guidance.
Further preferably, a corresponding database is constructed according to the data monitored by the monitoring module in real time and is sent to the data acquisition box 2 for storage. For example, a handrail monitoring database, a reduction gear box monitoring database, a driving wheel monitoring database, a step monitoring database. On the basis, when monitoring work is carried out, the accurate state of each part of the escalator can be accurately and quickly determined according to real-time comparison between the sensor monitoring data and the database data, and potential safety hazards are timely eliminated.
Preferably, in order to realize that various types of data can be integrated and transmitted in the data acquisition box 2, a plurality of channels are opened inside the data acquisition box 2 for data transmission, and the channels are used for transmitting monitoring data on at least one monitoring module so as to distinguish information in different formats.
According to the multi-dimensional monitoring escalator, a plurality of sensors of various types are adopted to accurately monitor the hand strap 4, the reduction gear box 3, the main driving wheel 6 and the step structure in the escalator, so that the accurate condition of key module information of the escalator is realized, the accurate running state of the escalator is comprehensively mastered, the running stability of the escalator is ensured, and further, the safety of personnel and equipment is effectively guaranteed.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A multi-dimensional sensing data sensing system suitable for an escalator is characterized by comprising a hand strap monitoring module, a reduction gear box monitoring module, a driving wheel monitoring module and a step monitoring module;
the hand strap monitoring module corresponds to the hand strap position of the escalator and is used for realizing the real-time monitoring of the motion state between the hand strap and the friction wheel;
the speed reduction gear box monitoring module is arranged on a speed reduction gear box of the escalator and used for monitoring the running state of the speed reduction gear box;
the driving wheel monitoring module is arranged on a main driving wheel of the escalator and used for realizing real-time monitoring of the running state of the driving wheel;
the step monitoring module is arranged corresponding to the steps of the escalator and is used for monitoring the running state of the steps in real time.
2. The multi-dimensional sensing data sensing system suitable for the escalator of claim 1, wherein the handrail belt monitoring module comprises two first infrared sensors respectively arranged on two sides of the friction wheel and used for respectively monitoring the temperature of the handrail belt just contacting the friction wheel and the temperature of the handrail belt just separating from the friction wheel.
3. The system as claimed in claim 1, wherein the reduction gear box monitoring module comprises a first vibration sensor and a first noise sensor fixedly mounted on the reduction gear box, and a current sensor for monitoring the state of the internal circuit of the reduction gear box.
4. The system of claim 1, wherein the drive wheel monitoring module comprises a second vibration sensor and a third noise sensor disposed on an end surface of the main drive wheel.
5. The multi-dimensional sensing data sensing system suitable for the escalator of claim 1, wherein the step monitoring module comprises a second noise sensor and a fourth noise sensor, and the second noise sensor and the fourth noise sensor are respectively arranged at the turning positions of the steps at the head end and the tail end of the escalator.
6. The multi-dimensional sensing data perception system suitable for the escalator as claimed in any one of claims 1-5, further comprising a data collection box electrically connected with some or all of the monitoring modules and used for receiving the monitoring data collected by the corresponding monitoring modules; and the upper computer is arranged corresponding to the data acquisition box and used for receiving the data processing result of the data acquisition box and feeding back the data processing result.
7. The multi-dimensional sensing data perception system suitable for an escalator of claim 6, wherein databases are respectively arranged in the data collection boxes corresponding to the monitoring modules electrically connected with the data collection boxes, and are used for achieving real-time comparison between monitoring data of the monitoring modules and data in the corresponding databases.
8. The multi-dimensional sensing data perception system suitable for the escalator of claim 7, wherein the upper computer receives data comparison information fed back by the data collection box and obtains state evaluation of the escalator according to the data comparison information.
9. The multi-dimensional sensing data perception system suitable for an escalator of claim 6, wherein a plurality of data transmission channels are arranged in the data collection box, and the data transmission channels are used for transmitting monitoring data on at least one monitoring module.
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| CN113928964A (en) * | 2021-09-30 | 2022-01-14 | 中铁第四勘察设计院集团有限公司 | Method for detecting tightness degree of escalator handrail |
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