CN209815462U - Safety monitoring system of escalator - Google Patents
Safety monitoring system of escalator Download PDFInfo
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- CN209815462U CN209815462U CN201920290903.6U CN201920290903U CN209815462U CN 209815462 U CN209815462 U CN 209815462U CN 201920290903 U CN201920290903 U CN 201920290903U CN 209815462 U CN209815462 U CN 209815462U
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- escalator
- entrance
- monitoring system
- light curtain
- detector
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Abstract
The utility model discloses a safety monitoring system of an escalator, which comprises a detector for detecting the entrance of the escalator, wherein the detector is triggered by a moving heat source entering the entrance of the escalator and outputs a starting signal; a light curtain arranged at the entrance of the escalator at a preset height; the image acquisition device is used for acquiring images at the entrance of the escalator; a prompting device for outputting prompting information according to the triggering state of the light curtain and the image at the entrance of the escalator; at least one of the light curtain and the image acquisition device is connected with the detector, and the escalator is monitored in safety by combining the starting signal of the detector. The utility model provides an escalator safety monitoring system can discern the passenger situation of staircase, reduces children and takes advantage of the probability of ladder alone, provides the security that the staircase used.
Description
Technical Field
The utility model relates to an staircase technical field especially relates to a safety monitoring system of staircase.
Background
Often see in the market that have children to play on the staircase, some run on the staircase, some lie prone on the handrail takes, even some lie prone on the step, children often do not realize the danger of doing so, and children are not accompanied by the adult on the next door when playing in addition under the many situations, the easy accident that takes place. According to GB16899-2011 manufacturing and safety regulations for escalators and moving sidewalks 7.2.1.2.1, the escalator or moving sidewalk is provided with a warning sign that a child must hold, so when the child takes the escalator alone, if safety measures such as voice prompt, deceleration, ladder stop and the like exist, the occurrence of safety accidents can be reduced.
The prior patent technology such as 'detecting whether passengers have abnormal conditions on the escalator by an infrared sensor and a camera' (the publication number 103863934B) is only suitable for occasions where the passengers have or are about to have danger, the escalator or the moving sidewalk has at least 0.5m/s of running speed, and the passengers are stopped once the dangerous conditions such as entrainment, extrusion and the like occur, often late.
SUMMERY OF THE UTILITY MODEL
In order to improve the safety of taking the escalator, a safety early warning method and a safety early warning system of the escalator are improved, so that the risk possibly brought by the fact that a child takes the escalator alone is prevented, and the personal safety of the child is protected.
A safety monitoring system for an escalator, comprising:
detecting a detector at the entrance of the escalator, wherein the detector is triggered by a moving heat source entering the entrance of the escalator and outputs a starting signal;
a light curtain arranged at the entrance of the escalator at a preset height;
the image acquisition device is used for acquiring images at the entrance of the escalator;
a prompting device for outputting prompting information according to the triggering state of the light curtain and the image at the entrance of the escalator;
at least one of the light curtain and the image acquisition device is connected with the detector, and the escalator is monitored in safety by combining the starting signal of the detector.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Optionally, the detector is installed in at least one of an inner cover plate, a handrail breast board, an apron board and a comb plate of the escalator, and the detection range of the detector at least covers the entrance of the escalator.
Optionally, the light curtain is arranged in parallel to the walking support surface of the escalator.
Optionally, the predetermined height of the light curtain is 1.1-1.4 m.
Optionally, the light curtain is formed by at least one pair of infrared sensors, and the infrared sensors belonging to the same pair are respectively used as an emitter and a receiver of infrared rays.
Optionally, the infrared path of each pair of infrared sensors extends in the width direction of the escalator.
Optionally, supports are respectively arranged on two sides of the escalator in the width direction, and the emitter and the receiver are respectively mounted on the corresponding supports.
Optionally, the prompting device is at least one of an audio player, a video player, and a warning light.
Optionally, the image acquisition device is hung below the floor plate, and the shooting visual angle of the image acquisition device is over against the entrance of the escalator.
Optionally, the escalator is further provided with a host, the host receives the trigger state signal of the light curtain and the image recognition result at the entrance of the escalator, and controls the prompting device to display the preset information.
The utility model provides an escalator safety monitoring system can discern the passenger situation of staircase, reduces children and takes advantage of the probability of ladder alone, provides the security that the staircase used.
Drawings
Fig. 1 is a schematic diagram of a safety monitoring system according to an embodiment of the present invention;
fig. 2 is a schematic view of a light curtain and a detection area of a detector according to an embodiment of the present invention.
In the figure: 1. an image acquisition device; 2. an infrared sensor; 2a, an emitter; 2b, a receiver electrode; 3. a prompting device; 4. a host; 5. a support; 6. and a detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples for describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.
It will be understood that 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. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, a safety monitoring system for an escalator includes:
detecting a detector 6 at the entrance of the escalator, wherein the detector 6 is triggered by a moving heat source entering the entrance of the escalator and outputs a starting signal;
a light curtain arranged at the entrance of the escalator at a preset height;
the image acquisition device 1 is used for acquiring images at an entrance of the escalator;
a prompt device 3 for outputting prompt information according to the triggering state of the light curtain and the image at the entrance of the escalator;
at least one of the light curtain and the image acquisition device 1 is connected with the detector 6, and the escalator is monitored in safety by combining the starting signal of the detector.
The escalator in the invention comprises an escalator and a moving walkway, namely, the safety monitoring system can be applied to the escalator or the moving walkway.
The light curtain and the image acquisition device 1 can adopt a normally open mode, namely, the light curtain and the image acquisition device are always kept in an open mode in the running process of the escalator, and can be opened by triggering a starting signal after the detector 6 detects a moving heat source for energy conservation.
The detector 6 is used for detecting a movable heat source, a microwave infrared dual-technology sensor can be adopted to improve the detection sensitivity, and when the movable heat source appears in the detection area of the detector 6, a starting signal is sent to the light curtain and/or the image acquisition device 1.
In one embodiment, the detector 6 is installed at least one of an inner cover plate, a handrail sideboard, a skirt panel and a comb plate of the escalator, and the detection range of the detector 6 at least covers the entrance of the escalator.
The detector 6 can respond in time when a passenger is present, as shown in fig. 2, the detector 6 is mounted on one of the inner cover plates, and the area shown by the dotted line in the figure indicates the detection area of the detector 6, and the detector 6 can respond in time when a passenger (including an adult and a child) is present.
In one embodiment, the light curtain is arranged parallel to the walking support surface of the escalator. The predetermined height of the light curtain is 1.1-1.4 m.
The walking support surface of the escalator is the bearing surface of a passenger, the light curtain is arranged at a preset height, the preset height is used as a critical value of the heights of children and adults, 1.2m is preferably adopted, and the height can be specifically selected according to the use scene of the escalator and the requirements on safety performance. After the preset height of the light curtain is determined, if the height of a passenger is lower than the preset height of the light curtain, the light curtain cannot be triggered, and if the height of the passenger is higher than the preset height of the light curtain, the light curtain is triggered.
Whether triggered through the light curtain and distinguish the passenger of different heights to regard as adult and children's differentiation standard with the height, can correctly screen out the condition that children took advantage of the ladder alone to a great extent, and give children and/or adult with prompt message, reduce children and take advantage of the risk of ladder alone, implement the safety monitoring to the staircase promptly.
In one embodiment, as shown in fig. 2, the light curtain is formed by at least one pair of infrared sensors 2, the infrared sensors 2 of the same pair respectively serving as an emitter 2a and a receiver 2b of infrared rays. After the light curtain is started, if there is no blocking by passengers, the receiver 2b can receive the infrared signal of the emitter 2 a.
In one embodiment, as shown in fig. 2, the infrared path of each pair of infrared sensors 2 extends in the width direction of the escalator.
In one embodiment, the brackets 5 are respectively arranged on both sides of the width direction of the escalator, and the emitting electrode 2a and the receiving electrode 2b are respectively arranged on the corresponding brackets 5.
In one embodiment, the prompting device 3 is at least one of an audio player, a video player and a warning light.
The warning light can remind the passengers of safety by adopting modes of flashing or changing colors and the like.
In one embodiment, the image acquisition device 1 is hung below the floor slab, and the shooting view angle of the image acquisition device 1 is opposite to the entrance of the escalator.
In one embodiment, the main machine 4 is further provided, and the main machine 4 receives the trigger state signal of the light curtain and the image recognition result at the entrance of the escalator, and controls the prompting device 3 to display the preset information.
The host computer is prestored with a control instruction of the prompting device, and triggers the prompting information corresponding to the corresponding instruction through the light curtain and the signal of the image identification result.
The camera shooting and collecting device 1 collects images, automatically identifies or artificially identifies the images, obtains the result of whether passengers exist at the entrance of the escalator, and sends the result to the host.
When automatic identification is performed, the identification method can adopt an RGB-D human behavior identification method, a Kinect RGB-D sensor can be used, and the depth is measured by utilizing an infrared light structure principle, which can be specifically seen in documents: 1. an adaptive feature selection method in RGBD human behavior recognition, reported by an intelligent system, in 2017, stage 01, and an author: gong Dong glume, Huang Ming, Zhang hong Bo, Li Shao Zi, etc.; 2. human behavior recognition method research and system design using Kinect; master thesis; university of Shandong; the authors: korea (Korean) means the source of the disease.
The utility model discloses a light curtain and image acquisition device 1 combine together, judge whether have children to take advantage of the ladder alone, and take advantage of the ladder etc. and predetermine the condition under, remind relevant personnel to pay attention to safety through the prompt message when having children.
Depending only on light curtain detection, malfunctions may occur when:
firstly, a person steps on the comb plate and then immediately exits;
secondly, other heat sources enter the escalator;
thirdly, a person stays at the entrance of the escalator;
and fourthly, the infrared sensor 2 is artificially shielded.
In order to avoid misoperation, the passenger identification is carried out through the image acquisition device 1, namely the comprehensive judgment is carried out by combining the light curtain detection and the image of the image acquisition device 1, so that the occurrence of misjudgment is effectively reduced.
The elevator taking condition comprises the following steps:
A. the light curtain is triggered, and the image at the entrance of the escalator shows that passengers exist at the entrance of the escalator, so that at least one adult takes the escalator and the escalator operates normally.
The light curtain is triggered (namely the light curtain is shielded), which indicates that the height of passengers is higher than the preset height of the light curtain, at least one adult takes the ladder, namely, the situation that children take the ladder independently does not exist, and the ladder operates normally.
B. When the light curtain is triggered and the image at the entrance of the escalator shows that no passenger exists at the entrance of the escalator, if the detector detects a moving heat source, the light curtain is possibly blocked, and prompt information is output; and if the detector does not detect the moving heat source, the escalator normally operates.
C. The light curtain is not triggered (namely the light curtain is not shielded), and the image at the entrance of the escalator shows that no passenger exists at the entrance of the escalator, and then the escalator operates normally.
D. The light curtain is not triggered, and the image at the entrance of the escalator shows that passengers exist at the entrance of the escalator, so that only children take the escalator, and prompt information is output.
When only children take the ladder independently, except sending out the prompt message, the corresponding staircase slows down and stops to avoid taking place the accident.
The light curtain comprises a triggered state and an un-triggered state, the image recognition result at the entrance of the escalator comprises a passenger state and an un-passenger state, and whether the detector detects that the moving heat source comprises the two states, so the arrangement and combination of the light curtain, the image recognition result and the detection result of the detector are 8 conditions in total, and the prompting device triggers corresponding prompting information according to different received conditions.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A safety monitoring system for an escalator, comprising:
detecting a detector at the entrance of the escalator, wherein the detector is triggered by a moving heat source entering the entrance of the escalator and outputs a starting signal;
a light curtain arranged at the entrance of the escalator at a preset height;
the image acquisition device is used for acquiring images at the entrance of the escalator;
a prompting device for outputting prompting information according to the triggering state of the light curtain and the image at the entrance of the escalator;
at least one of the light curtain and the image acquisition device is connected with the detector, and the escalator is monitored in safety by combining the starting signal of the detector.
2. The escalator safety monitoring system according to claim 1, wherein said detector is installed at least one of an inner cover plate, a handrail, a skirt panel and a comb plate of the escalator, and the detection range of said detector covers at least the entrance of the escalator.
3. A safety monitoring system for an escalator as claimed in claim 1, wherein the light curtain is arranged parallel to the running support surface of the escalator.
4. The escalator safety monitoring system according to claim 1, wherein the predetermined height of the light curtain is 1.1-1.4 m.
5. An escalator safety monitoring system according to claim 1, wherein the light curtain is formed by at least one pair of infrared sensors, the infrared sensors of the same pair acting as an emitter and a receiver of infrared light, respectively.
6. An escalator safety monitoring system according to claim 5, wherein the infrared path of each pair of infrared sensors extends in the width direction of the escalator.
7. The escalator safety monitoring system according to claim 5, wherein brackets are provided on both sides in the width direction of the escalator, and the emitter and the receiver are mounted on the corresponding brackets, respectively.
8. The escalator safety monitoring system of claim 1, wherein said prompting device is at least one of an audio player, a video player, and a warning light.
9. The escalator safety monitoring system according to claim 1, wherein said image capturing device is suspended below the floor slab, and the image capturing device's viewing angle is opposite to the escalator entrance.
10. The escalator safety monitoring system according to claim 1, further comprising a host machine, wherein the host machine receives the trigger state signal of the light curtain and the image recognition result at the escalator entrance, and controls the prompting device to display the preset information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290903.6U CN209815462U (en) | 2019-03-07 | 2019-03-07 | Safety monitoring system of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290903.6U CN209815462U (en) | 2019-03-07 | 2019-03-07 | Safety monitoring system of escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209815462U true CN209815462U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290903.6U Active CN209815462U (en) | 2019-03-07 | 2019-03-07 | Safety monitoring system of escalator |
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| Country | Link |
|---|---|
| CN (1) | CN209815462U (en) |
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- 2019-03-07 CN CN201920290903.6U patent/CN209815462U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: Room 305-w, 3rd floor, No.11 Lane 1888, Caoyang Road, Putuo District, Shanghai 200333 Patentee after: Xin Xi'ao Elevator Group Co.,Ltd. Address before: No.46, Qichao Road, Chang'an Town (Nongfa District), Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XIZI HEAVY INDUSTRY MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |