CN103863934A - Escalator safety detection device and method - Google Patents
Escalator safety detection device and method Download PDFInfo
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- CN103863934A CN103863934A CN201410132126.4A CN201410132126A CN103863934A CN 103863934 A CN103863934 A CN 103863934A CN 201410132126 A CN201410132126 A CN 201410132126A CN 103863934 A CN103863934 A CN 103863934A
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Abstract
The invention discloses an escalator safety detection device and method. The method includes the steps of obtaining a sampled image showing that no one is on an escalator, a sampled image showing that one person is on the escalator and real-time sampled images of the escalator through an infrared sensor and a camera, detecting the background temperature when no one is on the escalator, calculating the temperature rise of one person relative to the background temperature of the escalator through an image and infrared processing controller according to the showing that one person is on the escalator, and judging whether a passenger is held up or gets stuck or falls on the escalator or not according to the real-time sampled images of the escalator, the sampled image showing that no one is on the escalator and the rise of one person relative to the background temperature of the escalator. According to the escalator safety detection device and method, information is collected through the infrared sensor and the camera, the image and infrared processing controller judges whether the abnormal condition happens to the escalator or not according to the collected information, corresponding processing is conducted according to the judgment result, accidents can not be extended, and safety of passengers on the escalator is ensured; meanwhile, by combining image processing with infrared matrix sampling, detection accuracy is improved, and the escalator safety detection device and method are suitable for application.
Description
Technical field
The present invention relates to escalator technical field, particularly relate to a kind of escalator safety detection device and method.
Background technology
Along with expanding economy, people's living standard improves gradually, escalator application is in daily life more and more, it is various convenient to have brought to people, also a lot of potential safety hazards have been there are simultaneously, as passenger is detained, blocks and falls on staircase, the people who tends to taking escalator causes very large injury.In order to ensure the safety of taking escalator passenger, in the time using escalator, want periodical maintenance, in being used, operation also need some check implements to react at any time its running state simultaneously.In prior art, also do not have proven technique can detect that passenger is detained and the situation such as fall, had a strong impact on the safe handling of escalator.
Summary of the invention
Based on above-mentioned situation, the present invention proposes a kind of escalator safety detection device, can detect passenger's abnormal condition of being detained, blocking and falling on staircase, be applicable to practical application.
To achieve these goals, the embodiment of technical solution of the present invention is:
A kind of escalator safety detection device, comprising:
Infrared pickoff and camera, for obtaining staircase sampled images, detect nobody staircase ambient temperature of taking of staircase, and described staircase sampled images comprises nobody sampled images of taking of staircase, sampled images and the staircase real-time sampling image that staircase one people takes;
Image and infrared processing controller, for the sampled images of taking according to described staircase one people, calculate the temperature rise of a people with respect to described staircase ambient temperature; Utilize nobody sampled images of taking of described staircase real-time sampling image, staircase and people temperature rise with respect to described staircase ambient temperature, judged whether that passenger is detained, blocks or falls on staircase.
For prior art problem, the invention allows for a kind of escalator safety detection method, guarantee to take escalator passenger's safety, improve the safety factor of escalator.
Specific implementation is: a kind of escalator safety detection method, comprises the following steps:
Obtain staircase sampled images, detect nobody staircase ambient temperature of taking of staircase, described staircase sampled images comprises nobody sampled images of taking of staircase, sampled images and the staircase real-time sampling image that staircase one people takes;
The sampled images of taking according to described staircase one people, calculates the temperature rise of a people with respect to described staircase ambient temperature; Utilize nobody sampled images of taking of described staircase real-time sampling image, staircase and people temperature rise with respect to described staircase ambient temperature, judged whether that passenger is detained, blocks or falls on staircase;
Described staircase sampled images comprises staircase photographic images and staircase infrared image.
Compared with prior art, beneficial effect of the present invention is: escalator safety detection device of the present invention and method, by infrared pickoff and camera collection information, image and infrared processing controller have judged whether that according to the information gathering passenger is detained, blocks and falls on staircase, carry out respective handling according to judged result, Accident prevention expands, guarantee to take escalator passenger's safety, improve the safety factor of escalator, simultaneously by combining image processing mode and infrared matrix sampling mode, improve the accuracy detecting, be applicable to application.
Accompanying drawing explanation
Fig. 1 is the structural representation of escalator safety detection device in an embodiment;
Fig. 2 is the front schematic view that in an embodiment, escalator safety detection device is arranged on staircase gangway place;
Fig. 3 is the side schematic view that in Fig. 2, escalator safety detection device is arranged on staircase gangway place;
Fig. 4 is the schematic flow sheet of escalator safety detection method in an embodiment;
Fig. 5 is the birds-eye view of infrared image in an embodiment;
Fig. 6 is the schematic diagram that the A district of escalator in an embodiment remains static.
The specific embodiment
For making object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that the specific embodiment described herein, only in order to explain the present invention, does not limit protection scope of the present invention.
Escalator safety detection device in an embodiment, as shown in Figure 1, comprising:
Infrared pickoff and camera, for obtaining staircase sampled images, detect nobody staircase ambient temperature of taking of staircase, and described staircase sampled images comprises nobody sampled images of taking of staircase, sampled images and the staircase real-time sampling image that staircase one people takes;
Image and infrared processing controller, for the sampled images of taking according to described staircase one people, calculate the temperature rise of a people with respect to described staircase ambient temperature; Utilize nobody sampled images of taking of described staircase real-time sampling image, staircase and people temperature rise with respect to described staircase ambient temperature, judged whether that passenger is detained, blocks or falls on staircase.
Known from the above description, this device improves the safety problem that escalator exists, and ensures passenger safety, has good using value.
As an embodiment, described image and infrared processing controller pass through CAN bus or serial interface or parallel interface and are connected with staircase controller, described image and infrared processing controller receive staircase running velocity, direction, the Pedestrian flow detection information of described staircase controller transmission judged result are revised, and sending to described staircase controller to process revised judged result, staircase controller is by slowly stopping or the expansion of emergent stopping Accident prevention.Direction and velocity information that image and infrared processing controller pass over according to staircase controller, can judge more accurately according to image process and the staircase that draws of infrared image processing on the service direction of object and speed whether accurate and calculate relevant adjustment coefficient; According to the Pedestrian flow detection information passing over, nobody takes ambient temperature and a people takes the temperature rise of staircase with respect to ambient temperature to obtain staircase in the best opportunity.
As an embodiment, escalator safety detection device also comprises the temperature element for obtaining ambient temperature, the ambient temperature of obtaining is sent to described image and infrared processing controller by described temperature element, described image and infrared processing controller be based on described ambient temperature, calculates under each ambient temperature conditions a described people with respect to the temperature rise of described staircase ambient temperature.The generally fluctuation between 36～37 ℃ of the temperature of human body, a metastable numerical value, but the ambient temperature of staircase can be along with the variation of ambient temperature changes, therefore, " people is with respect to the temperature rise Δ t of ambient temperature " is to change along with the variation of different ambient temperatures." people is with respect to the temperature rise Δ t of ambient temperature " that utilize that image and infrared processing controller analyze carries out real time operation, and result of calculation is inaccurate.Installed additional after temperature element, obtained the staircase ambient temperature under each ambient temperature conditions, and then obtained under each ambient temperature conditions " people is with respect to the temperature rise Δ t of ambient temperature ", carried out like this real time operation, result of calculation is accurate.
As an embodiment, escalator safety detection device also comprises power-off preservation memory device, described power-off is preserved memory device and is preserved the information that described temperature element and described infrared pickoff and camera obtain, and the information of preservation is offered to described image and infrared processing controller is processed.
As an embodiment, escalator safety detection device also comprises the mounting bracket for fixing described infrared pickoff and camera and described image and infrared processing controller, and user can be according to actual conditions mounting bracket, easy to use.
As an embodiment, described mounting bracket is arranged on the optional position of staircase gangway place or staircase rake, install the position that can detect as required, simple and flexible, front schematic view as shown in Figure 2, infrared pickoff and camera, image and infrared processing controller are arranged on directly over staircase by mounting bracket, side schematic view as shown in Figure 3, the height of mounting bracket is made as 3 meters, the detection distance covering is about 1.7 meters in floor plates part, be about 1.6 meters in step part, the setting of height can change with the variation of field condition, that installs is higher, the scope detecting is wider.
Escalator safety detection method in an embodiment, as shown in Figure 4, comprises the following steps:
Step S101: obtain staircase sampled images, detect nobody staircase ambient temperature of taking of staircase, described staircase sampled images comprises nobody sampled images of taking of staircase, sampled images and the staircase real-time sampling image that staircase one people takes;
Step S102: the sampled images of taking according to described staircase one people, calculates the temperature rise of a people with respect to described staircase ambient temperature; Utilize nobody sampled images of taking of described staircase real-time sampling image, staircase and people temperature rise with respect to described staircase ambient temperature, judged whether that passenger is detained, blocks or falls on staircase;
Described staircase sampled images comprises staircase photographic images and staircase infrared image.
Known from the above description, this method can detect the abnormal condition of passenger in the time taking staircase, and processes, and ensures passenger safety.
As an embodiment, judge whether that the concrete steps that passenger is detained on staircase comprise:
The sampled images that nobody takes by described staircase real-time sampling image and described staircase mates, and as shown in Figure 5, area of conter is divided into 64 parts and carries out temperature scanning, calculates degree of congestion:
wherein m represents to mate identical pixel number, and n represents the pixel number that coupling is not identical, utilizes the temperature rise of a described people with respect to described staircase ambient temperature, counts the number of people:
wherein Δ
trepresent the temperature rise of a people with respect to staircase ambient temperature, Δ
pi, i=1,2 ..., 64, represent the temperature rise of each infrared image vegetarian refreshments;
In the time that described degree of congestion Cr exceeds limit value and/or described number Np and exceeds limit value, judgement has passenger to be detained on staircase.
As an embodiment, judge whether that the concrete steps that passenger blocks on staircase comprise:
The sampled images that nobody takes by continuously multiple described staircase real-time sampling images and described staircase contrasts, as shown in Figure 6, detect that continuously the A district temperature of multiple described staircase real-time sampling images is always in a pulsation-free state, temperature beyond A district is always in changing time, judge that A district has passenger or thing to block on staircase, path beyond other passengers are forced to from A district is current, as shown in the direction of arrow, described A district is continuously the same area in multiple described staircase real-time sampling images.
As an embodiment, judge whether that the concrete steps that passenger falls on staircase comprise:
The sampled images that nobody takes by described staircase real-time sampling image and described staircase contrasts, and detects that in described staircase real-time sampling image, a passenger has covered 1 above step continuously, judges that described passenger falls down or is seated.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an escalator safety detection device, is characterized in that, comprising:
Infrared pickoff and camera, for obtaining staircase sampled images, detect nobody staircase ambient temperature of taking of staircase, and described staircase sampled images comprises nobody sampled images of taking of staircase, sampled images and the staircase real-time sampling image that staircase one people takes;
Image and infrared processing controller, for the sampled images of taking according to described staircase one people, calculate the temperature rise of a people with respect to described staircase ambient temperature; Utilize nobody sampled images of taking of described staircase real-time sampling image, staircase and people temperature rise with respect to described staircase ambient temperature, judged whether that passenger is detained, blocks or falls on staircase.
2. escalator safety detection device according to claim 1, it is characterized in that, described image and infrared processing controller pass through CAN bus or serial interface or parallel interface and are connected with staircase controller, described image and infrared processing controller receive staircase running velocity, direction, the Pedestrian flow detection information of described staircase controller transmission judged result are revised, and send to described staircase controller to process revised judged result.
3. escalator safety detection device according to claim 1, it is characterized in that, also comprise the temperature element for obtaining ambient temperature, the ambient temperature of obtaining is sent to described image and infrared processing controller by described temperature element, described image and infrared processing controller be based on described ambient temperature, calculates under each ambient temperature conditions a described people with respect to the temperature rise of described staircase ambient temperature.
4. escalator safety detection device according to claim 3, it is characterized in that, also comprise power-off preservation memory device, described power-off is preserved memory device and is preserved the information that described temperature element and described infrared pickoff and camera obtain, and the information of preservation is offered to described image and infrared processing controller is processed.
5. escalator safety detection device according to claim 1, is characterized in that, also comprises the mounting bracket for fixing described infrared pickoff and camera and described image and infrared processing controller.
6. escalator safety detection device according to claim 5, is characterized in that, described mounting bracket is arranged on the optional position of staircase gangway place or staircase rake.
7. an escalator safety detection method, is characterized in that, comprises the following steps:
Obtain staircase sampled images, detect nobody staircase ambient temperature of taking of staircase, described staircase sampled images comprises nobody sampled images of taking of staircase, sampled images and the staircase real-time sampling image that staircase one people takes;
The sampled images of taking according to described staircase one people, calculates the temperature rise of a people with respect to described staircase ambient temperature; Utilize nobody sampled images of taking of described staircase real-time sampling image, staircase and people temperature rise with respect to described staircase ambient temperature, judged whether that passenger is detained, blocks or falls on staircase;
Described staircase sampled images comprises staircase photographic images and staircase infrared image.
8. escalator safety detection method according to claim 7, is characterized in that, judges whether that the concrete steps that passenger is detained on staircase comprise:
The sampled images that nobody takes by described staircase real-time sampling image and described staircase mates, and calculates degree of congestion:
wherein m represents to mate identical pixel number, and n represents the pixel number that coupling is not identical, utilizes the temperature rise of a described people with respect to described staircase ambient temperature, counts the number of people:
wherein Δ
trepresent the temperature rise of a people with respect to staircase ambient temperature, Δ
pirepresent the temperature rise of each infrared image vegetarian refreshments;
In the time that described degree of congestion Cr exceeds limit value and/or described number Np and exceeds limit value, judgement has passenger to be detained on staircase.
9. escalator safety detection method according to claim 7, is characterized in that, judges whether that the concrete steps that passenger blocks on staircase comprise:
The sampled images that nobody takes by continuously multiple described staircase real-time sampling images and described staircase contrasts, detect that continuously the A district temperature of multiple described staircase real-time sampling images is always in a pulsation-free state, temperature beyond A district is always in changing time, judge that A district has passenger or thing to block on staircase, described A district is continuously the same area in multiple described staircase real-time sampling images.
10. escalator safety detection method according to claim 7, is characterized in that, judges whether that the concrete steps that passenger falls on staircase comprise:
The sampled images that nobody takes by described staircase real-time sampling image and described staircase contrasts, and detects that in described staircase real-time sampling image, a passenger has covered 1 above step continuously, judges that described passenger falls down or is seated.
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| CN105174018A (en) * | 2015-10-27 | 2015-12-23 | 苏州中远电梯有限公司 | Elevator device capable of heating elevator handrails |
| CN105540398A (en) * | 2016-02-22 | 2016-05-04 | 广州铁路职业技术学院 | First-aid method for escalator accident |
| CN107265224A (en) * | 2017-06-29 | 2017-10-20 | 山东省睿识射频识别工程技术有限公司 | A kind of elevator operation monitoring system and monitoring method |
| CN107662875A (en) * | 2016-07-29 | 2018-02-06 | 奥的斯电梯公司 | The step of passenger conveyor and the engagement prison of fishback detect |
| CN109727429A (en) * | 2017-10-27 | 2019-05-07 | 恒为科技（上海）股份有限公司 | Human body localization method and device, computer readable storage medium, terminal |
| US10282847B2 (en) | 2016-07-29 | 2019-05-07 | Otis Elevator Company | Monitoring system of a passenger conveyor and monitoring method thereof |
| CN110294397A (en) * | 2018-07-05 | 2019-10-01 | 江苏瑞奇海力科技有限公司 | A kind of staircase passenger safety prior-warning device and method |
| CN110645989A (en) * | 2019-10-16 | 2020-01-03 | 众虎物联网(广州)有限公司 | Path planning method and device based on escalator running direction and storage medium |
| WO2023020411A1 (en) * | 2021-08-20 | 2023-02-23 | 通力股份公司 | Monitoring system for personnel delivery equipment, and personnel delivery equipment |
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| CN107662875A (en) * | 2016-07-29 | 2018-02-06 | 奥的斯电梯公司 | The step of passenger conveyor and the engagement prison of fishback detect |
| US10282847B2 (en) | 2016-07-29 | 2019-05-07 | Otis Elevator Company | Monitoring system of a passenger conveyor and monitoring method thereof |
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| CN110645989A (en) * | 2019-10-16 | 2020-01-03 | 众虎物联网(广州)有限公司 | Path planning method and device based on escalator running direction and storage medium |
| CN110645989B (en) * | 2019-10-16 | 2021-03-02 | 众虎物联网(广州)有限公司 | Path planning method and device based on escalator running direction and storage medium |
| WO2023020411A1 (en) * | 2021-08-20 | 2023-02-23 | 通力股份公司 | Monitoring system for personnel delivery equipment, and personnel delivery equipment |
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