CN109969918B - Escalator or moving sidewalk and ladder stopping method thereof - Google Patents
Escalator or moving sidewalk and ladder stopping method thereof Download PDFInfo
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- CN109969918B CN109969918B CN201910358989.6A CN201910358989A CN109969918B CN 109969918 B CN109969918 B CN 109969918B CN 201910358989 A CN201910358989 A CN 201910358989A CN 109969918 B CN109969918 B CN 109969918B
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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
- B66B25/003—Methods or algorithms therefor
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Abstract
The invention discloses an escalator or moving sidewalk and a stopping method thereof, wherein the stopping method of the escalator or moving sidewalk comprises the following steps: controlling the step operation; when an instruction of stopping the step is received, acquiring the running speed information of the step; when the running speed of the steps is in a first preset range and within a preset time period, the steps are stopped to run when the running speed of the steps is still in the first preset range; when the running speed of the steps is in a second preset range and no object to be detected enters the steps, the steps are controlled to decelerate, and when the running speed of the steps is in a first preset range and within a preset time period, the running speed of the steps is still in the first preset range, the steps are stopped. The escalator or moving sidewalk and the ladder stopping method thereof can provide a corresponding ladder stopping strategy according to the running state of the ladder steps, and ensure the safety of ladder stopping of the ladder steps.
Description
Technical Field
The invention relates to the technical field of escalators or moving sidewalks, in particular to an escalator or moving sidewalk and a stopping method thereof.
Background
The escalator or the moving sidewalk is widely applied to places with concentrated pedestrian flow, such as stations, docks, markets, airports, exhibition halls, gymnasiums and the like, and brings great convenience to the life of people.
When the traditional escalator or moving sidewalk is used and a ladder stopping command is received, a real-time ladder stopping strategy is adopted, different ladder stopping strategies cannot be made according to different running states of the steps, and the safety of ladder stopping is influenced.
Disclosure of Invention
Based on the above, when the traditional escalator or moving sidewalk is used and a ladder stopping instruction is received, different ladder stopping strategies cannot be made according to different running states of the steps, and the safety of ladder stopping is influenced, the escalator or moving sidewalk and the ladder stopping method thereof are provided, and the escalator or moving sidewalk and the ladder stopping method thereof can provide the corresponding ladder stopping strategies according to the running states of the steps, so that the safety of ladder stopping of the steps is ensured.
The specific technical scheme is as follows:
in one aspect, the present application relates to a stopping method for an escalator or a moving sidewalk, comprising the steps of: controlling the step operation; when an instruction of stopping the step is received, acquiring the running speed information of the step; when the running speed of the steps is in a first preset range and within a preset time period, the steps are stopped to run when the running speed of the steps is still in the first preset range;
when the running speed of the steps is in a second preset range, and it is detected that no object to be detected enters the steps and no object to be detected on the steps is detected, controlling the steps to decelerate; when detecting that an object to be detected enters the steps, controlling the escalator or the moving sidewalk to run in an accelerated mode; and when the object to be detected leaves the steps, controlling the steps to operate in a deceleration way, and when the operation speed of the steps is in a first preset range and within a preset time period, stopping the steps.
When the escalator or moving sidewalk stopping method is used, firstly, the steps are controlled to run, when an instruction of stopping running the steps is received, the running speed information of the steps is obtained, when the running speed of the steps is in a first preset range, the running speed information of the steps is obtained again within a preset time period, and when the running speed of the steps is still in the first preset range, namely the movement state of the steps is not changed or is slightly changed, the steps are stopped to run; when the speed of the steps is in a second preset range, whether an object to be detected enters the steps or not and whether the object to be detected is detected on the steps or not are detected, when the object to be detected does not enter the steps or the object to be detected is not detected on the steps, the steps are controlled to decelerate, when the running speed of the steps is detected to be in the first preset range and within a preset time period, the running speed of the steps is still detected to be in the first preset range, at the moment, the driving mechanism is controlled to stop running the steps, and finally the steps are stopped, the speed value in the first preset range can be low speed, the speed value in the second preset range can be non-low speed, so that the step stopping method of the escalator or the moving sidewalk provides a corresponding step stopping strategy under different running states of the steps, and the safety of the steps is guaranteed.
The technical solution is further explained below:
in one embodiment, when it is detected that an object to be detected enters the steps, the step of controlling the escalator or moving sidewalk to run at an accelerated speed includes:
and when the object to be detected enters the steps, controlling the steps to accelerate at a constant first acceleration until the running speed of the steps is within the second preset range.
In one embodiment, when it is detected that no object to be detected enters the steps and no object to be detected is detected on the steps, the step of controlling the steps to decelerate comprises:
and controlling the steps to decelerate according to a constant second acceleration so that the running speed of the steps is reduced to be within the first preset range.
In one embodiment, the step of determining that the object to be detected does not enter the step includes:
acquiring an image of a step;
and when the image is detected not to contain the foreign matter image, judging that no object to be detected enters the step.
In one embodiment, the preset time period is 5s to 10 s.
In one embodiment, said first predetermined range is less than or equal to 0.5 m/s.
In another aspect, the present application also relates to an escalator or moving walkway applying the stopping method of the escalator or moving walkway in any one of the above embodiments, including: the driving mechanism is used for driving the steps to run; the speed detection unit is used for controlling the step operation; the first to-be-detected object detection unit is used for detecting whether an object to be detected enters the step; the second object detection unit is used for detecting whether an object to be detected is on the stair; the signal receiving unit is used for receiving an instruction of stopping running the step; and the controller is in communication connection with the driving mechanism, the speed detection unit, the first object to be detected detection unit and the signal receiving unit.
When the escalator or the moving sidewalk is used, the steps are driven to run through the driving mechanism, when the signal receiving unit receives an instruction of stopping running the steps, the running speed information of the steps is controlled through the speed detection unit, when the running speed of the steps is detected to be in a first preset range, at the moment, the speed information of the steps is detected again in a preset time period, and when the running speed of the steps is still in the first preset range, namely, the movement state of the steps is not changed or is slightly changed, the steps are stopped to run; when the speed of the steps is in a second preset range, whether an object to be detected enters the steps or not is detected through the first object detecting unit, whether the object to be detected is on the steps or not is detected through the second object detecting unit, when the object to be detected does not enter the steps or the object to be detected is not detected, the steps are controlled to decelerate, when the running speed of the steps is detected to be in the first preset range and within a preset time period, the running speed of the steps is still detected to be in the first preset range, at the moment, the driving mechanism is controlled to stop running the steps, and finally, the steps are stopped, the speed value in the first preset range can be low, the speed value in the second preset range can be non-low, therefore, under different running states of the steps, the step stopping method of the escalator or the moving sidewalk gives a corresponding step stopping strategy, and the safety of the steps is guaranteed.
The technical solution is further explained below:
in one embodiment, the first to-be-detected object detection unit is a photosensor.
In one embodiment, the escalator or moving sidewalk further includes a skirt board, and the first object detecting unit is disposed at the skirt board.
In one embodiment, the first object detection unit is an image pickup device.
Drawings
Fig. 1 is a schematic flow chart of a stopping method of an escalator or moving walk in one embodiment;
fig. 2 is a schematic flow chart of a stopping method of an escalator or a moving walkway in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be integral with the other element or can be removably connected to the other element.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Further, it is to be understood that, in the present embodiment, the positional relationships indicated by the terms "lower", "upper", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "the other side", "one end", "the other end", and the like are based on the positional relationships shown in the drawings; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience in describing the present invention and for simplicity in description, and are not to be construed as limiting the present invention.
As shown in fig. 1, a method for stopping an escalator or a moving walkway in one embodiment includes the following steps:
s100: controlling the step operation;
specifically, the step driving mechanism can be controlled by a corresponding control device to drive the step to run, such as controlling a motor to drive an elevator to run.
S200: when an instruction of stopping the step is received, acquiring the running speed information of the step;
specifically, an instruction to stop the operation of the steps may be received through the corresponding signal receiving module, and the operation speed information of the steps may be acquired through a speed detecting unit such as an encoder.
S300: when the running speed of the steps is in a first preset range and within a preset time period, the running of the steps is stopped when the running speed of the steps is still in the first preset range
Specifically, when the speed detection unit detects that the running speed of the steps is in a first preset range, at the moment, the steps are continuously controlled to run in a preset time period, and when the running speed of the steps is still detected to be in the first preset range, the situation that the motion state of the steps is not changed or is slightly changed is shown, at the moment, the steps are stopped running, and no potential safety hazard is caused. Specifically, the first preset range may be a speed range in which the steps are operated at a low speed, for example, a speed of less than or equal to 0.5 m/s.
S400: when the running speed of the steps is in a second preset range, and the fact that no object to be detected enters the steps and no object to be detected on the steps is detected, the steps are controlled to decelerate, and when the running speed of the steps is in a first preset range and within a preset time period, the running speed of the steps is still in the first preset range, the steps are stopped.
Specifically, when the speed detection unit detects that the running speed of the step is in a second preset range, at the moment, the first object detection unit detects whether an object to be detected enters the step, the second object detection unit or the step is judged whether the object to be detected is on the step by calculating the time for the step to run at the speed in the second preset range, when the first object detection unit detects that the object to be detected does not enter the step and the second object detection unit does not detect the object to be detected on the step, the controller controls the driving mechanism to drive the step to decelerate, the speed detection unit detects the running speed information of the step, when the speed detection unit detects that the running speed of the step is in the first preset range, at the moment, the step is continuously controlled to run within a preset time period, and when the running speed of the step is detected to be still in the first preset range, at this time, the moving state of the steps is not changed or is slightly changed, and at this time, the steps are stopped to run, so that potential safety hazards are not caused. Specifically, the second preset range may be a speed at which the steps run at a high speed, for example, a speed greater than 0.5 m/s. Specifically, the method for determining the preset time period may be set according to the people flow information, the utilization rate of the steps running at the speed in the second preset range may be calculated by collecting the time of the running speed of the steps in the second preset range, the duration of the preset time period is calculated by collecting the time of the steps running at the speed in the second preset range for multiple times and calculating the utilization rate, and the control accuracy is improved.
When the escalator or moving sidewalk stopping method is used, firstly, the steps are controlled to run, when an instruction of stopping running the steps is received, the running speed information of the steps is obtained, when the running speed of the steps is in a first preset range, the running speed information of the steps is obtained again within a preset time period, and when the running speed of the steps is still in the first preset range, namely the movement state of the steps is not changed or is slightly changed, the steps are stopped to run; when the speed of the steps is in a second preset range, whether an object to be detected enters the steps or not and whether the object to be detected is detected on the steps or not are detected, when the object to be detected does not enter the steps or the object to be detected is not detected on the steps, the steps are controlled to decelerate, when the running speed of the steps is detected to be in the first preset range and within a preset time period, the running speed of the steps is still detected to be in the first preset range, at the moment, the driving mechanism is controlled to stop running the steps, and finally the steps are stopped, the speed value in the first preset range can be low speed, the speed value in the second preset range can be non-low speed, so that the step stopping method of the escalator or the moving sidewalk provides a corresponding step stopping strategy under different running states of the steps, and the safety of the steps is guaranteed.
As shown in fig. 2, in the above embodiment, when the operation speed of the steps is in the second preset range, and it is detected that no object to be detected enters the steps and no object to be detected on the steps is detected, the step of controlling the steps to decelerate, and when the operation speed of the steps is in the first preset range and within a preset time period, the step of stopping the step operation includes:
t100: when the running speed of the steps is in a second preset range, and it is detected that no object to be detected enters the steps and no object to be detected on the steps is detected, controlling the steps to decelerate;
specifically, when the object to be detected leaves the step or no object to be detected enters the step, the step is controlled to operate in a deceleration mode, and when the operation speed of the step is within a first preset range and within a preset time period, the operation of the step is stopped when the operation speed of the step is still within the first preset range. Specifically, the object to be detected may be a person or a cart or the like.
T200: when detecting that an object to be detected enters the steps, controlling the escalator or the moving sidewalk to operate in an accelerated manner;
specifically, whether the object to be detected enters the step is detected by the first object to be detected detecting unit, and when the object to be detected enters the step, the driving mechanism is controlled by the controller to drive the step to run in an accelerating mode.
T300: when the object to be detected leaves the steps, the steps are controlled to operate in a decelerating mode, and when the operating speed of the steps is within a first preset range and within a preset time period, the steps are stopped to operate when the operating speed of the steps is still within the first preset range.
Specifically, when the first object detection unit detects that the object to be detected leaves the step or detects the time of the accelerated operation of the step, the controller controls the driving mechanism to drive the step to decelerate, the speed detection unit detects the operation speed information of the step, when the speed detection unit detects that the operation speed of the step is within a first preset range, the step is continuously controlled to operate within a preset time period, when the operation speed of the step is still within the first preset range, the movement state of the step is not changed or is slightly changed, and at the moment, the step is stopped to operate, so that potential safety hazards cannot be caused.
Further, specifically in this embodiment, when it is detected that an object to be detected enters a step, the step of controlling the escalator or moving sidewalk to run in an accelerated manner includes:
when the object to be detected enters the steps, the steps are controlled to accelerate at a constant first acceleration to enable the running speed of the steps to be within a second preset range.
Specifically, the controller controls the driving mechanism to accelerate according to the steps at a constant first acceleration so that the running speed of the steps is in a second preset range, so that the acceleration stability can be ensured, and the running stability of the steps can be further ensured.
Further, specifically in this embodiment, when it is detected that no object to be detected enters the step and no object to be detected on the step is detected, the step of controlling the step to decelerate includes:
and controlling the steps to decelerate according to a constant second acceleration so that the running speed of the steps is reduced to be within a first preset range.
Specifically, the controller controls the driving mechanism to decelerate according to the steps at a constant second acceleration so that the running speed of the steps is reduced to a first preset range, so that the deceleration stability can be ensured, and the running stability of the steps can be further ensured.
On the basis of any one of the above embodiments, the step of determining that the object to be detected does not enter the step includes:
acquiring an image of a step;
specifically, the steps are photographed in real time through a photographing device or a visual sensor, and images of the steps are obtained.
When the image is detected not to contain the foreign object image, the step is judged to be detected not to enter the object to be detected.
Specifically, by comparing images at different times, if it is detected that the images do not include a foreign object image, it is determined that no object to be detected enters the step.
On the basis of any one of the above embodiments, the preset time period is 5s-10 s. Therefore, the control precision of the stopping method of the escalator or the moving sidewalk is higher in the time end.
It should be understood that although the steps in the flowcharts of fig. 1 and 2 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1 and 2 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least some of the sub-steps or stages of other steps.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
An escalator or moving walkway in one embodiment, comprising: the driving mechanism is used for driving the steps to run; the speed detection unit is used for controlling the step operation; the first to-be-detected object detection unit is used for detecting whether an object to be detected enters the step; the second object detection unit is used for detecting whether an object to be detected is on the stair; the signal receiving unit is used for receiving an instruction of stopping running the step; and the controller is in communication connection with the driving mechanism, the speed detection unit, the first object to be detected detection unit and the signal receiving unit.
When the escalator or the moving sidewalk is used, the steps are driven to run through the driving mechanism, when the signal receiving unit receives an instruction of stopping running the steps, the running speed information of the steps is controlled through the speed detection unit, when the running speed of the steps is detected to be in a first preset range, at the moment, the speed information of the steps is detected again in a preset time period, and when the running speed of the steps is still in the first preset range, namely, the movement state of the steps is not changed or is slightly changed, the steps are stopped to run; when the speed of the steps is in a second preset range, whether an object to be detected enters the steps or not is detected through the first object detecting unit, whether the object to be detected is on the steps or not is detected through the second object detecting unit, when the object to be detected does not enter the steps or the object to be detected is not detected, the steps are controlled to decelerate, when the running speed of the steps is detected to be in the first preset range and within a preset time period, the running speed of the steps is still detected to be in the first preset range, at the moment, the driving mechanism is controlled to stop running the steps, and finally, the steps are stopped, the speed value in the first preset range can be low, the speed value in the second preset range can be non-low, therefore, under different running states of the steps, the step stopping method of the escalator or the moving sidewalk gives a corresponding step stopping strategy, and the safety of the steps is guaranteed.
On the basis of the above embodiment, the first object detection unit is a photosensor. Thus, whether the object to be detected enters the step is judged through the photoelectric sensor; of course, in other embodiments, the first object-to-be-detected detection unit is a camera device, and takes a picture of steps in real time through the camera device or the vision sensor to obtain images of the steps, and by comparing the images at different times, if it is detected that the images do not include a foreign object image, it is determined that no object-to-be-detected enters the steps.
On the basis of any one of the above embodiments, the escalator or moving sidewalk further includes a skirt board, and the first object-to-be-detected detecting unit is disposed on the skirt board. So, set up first waiting to detect the thing detecting element in the skirtboard, when waiting to detect the thing and getting into the step, can detect out, can guarantee the accuracy nature that detects.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for stopping an escalator or a moving sidewalk is characterized by comprising the following steps:
controlling the step operation;
when an instruction of stopping the step is received, acquiring the running speed information of the step;
when the running speed of the steps is in a first preset range and within a preset time period, the steps are stopped to run when the running speed of the steps is still in the first preset range;
when the running speed of the steps is in a second preset range, and it is detected that no object to be detected enters the steps and no object to be detected on the steps is detected, controlling the steps to decelerate; when detecting that an object to be detected enters the steps, controlling the escalator or the moving sidewalk to run in an accelerated mode; and when the object to be detected leaves the steps, controlling the steps to operate in a deceleration way, and when the operation speed of the steps is in a first preset range and within a preset time period, stopping the steps.
2. The escalator or moving walkway stopping method according to claim 1, wherein the step of controlling the escalator or moving walkway to accelerate when the entrance of the object to be detected into the step is detected comprises:
and when the object to be detected enters the steps, controlling the steps to accelerate at a constant first acceleration until the running speed of the steps is within the second preset range.
3. The method of claim 1, wherein the step of controlling the steps to decelerate when no object to be detected is detected to enter the steps and no object to be detected is detected on the steps comprises:
and controlling the steps to decelerate according to a constant second acceleration so that the running speed of the steps is reduced to be within the first preset range.
4. The stopping method of an escalator or moving walkway according to claim 1, wherein the step of determining that the object to be detected does not enter the step comprises:
acquiring an image of a step;
and when the image is detected not to contain the foreign matter image, judging that no object to be detected enters the step.
5. A method of stopping an escalator or moving walkway according to claim 1, wherein the preset time period is 5s-10 s.
6. An escalator or moving walkway stopping method according to claim 1, wherein the first predetermined range is less than or equal to 0.5 m/s.
7. An escalator or moving walkway to which the method of stopping the escalator or moving walkway of any one of claims 1 to 6 is applied, comprising:
the driving mechanism is used for driving the steps to run;
the speed detection unit is used for controlling the step operation;
the first to-be-detected object detection unit is used for detecting whether an object to be detected enters the step;
the second object detection unit is used for detecting whether an object to be detected is on the stair;
the signal receiving unit is used for receiving an instruction of stopping running the step; and
and the controller is in communication connection with the driving mechanism, the speed detection unit, the first object to be detected detection unit, the second object to be detected detection unit and the signal receiving unit.
8. The escalator or moving walkway of claim 7, wherein the first undetected object detection unit is a photosensor.
9. An escalator or moving walk according to claim 7, further comprising a skirt board, wherein the first object detection unit is provided to the skirt board.
10. The escalator or moving walkway of claim 7, wherein the first object-to-be-detected detection unit is a camera device.
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| CN101284621A (en) * | 2008-06-04 | 2008-10-15 | 杭州西子孚信科技有限公司 | Control system for escalator |
| CN101695983A (en) * | 2009-10-23 | 2010-04-21 | 浙江工业大学 | Omnibearing computer vision based energy-saving and safety monitoring system of escalator |
| CN106458527A (en) * | 2014-06-10 | 2017-02-22 | 株式会社美州高科技 | Safe operation-stop method for escalator |
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| CN1592714A (en) * | 2002-10-16 | 2005-03-09 | 三菱电机株式会社 | Controller for passenger moving walkway |
| CN101284621A (en) * | 2008-06-04 | 2008-10-15 | 杭州西子孚信科技有限公司 | Control system for escalator |
| CN101695983A (en) * | 2009-10-23 | 2010-04-21 | 浙江工业大学 | Omnibearing computer vision based energy-saving and safety monitoring system of escalator |
| CN106458527A (en) * | 2014-06-10 | 2017-02-22 | 株式会社美州高科技 | Safe operation-stop method for escalator |
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