CN102556812B - Elevator door auxiliary anti-clamping method and system - Google Patents
Elevator door auxiliary anti-clamping method and system Download PDFInfo
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- CN102556812B CN102556812B CN201210043098.XA CN201210043098A CN102556812B CN 102556812 B CN102556812 B CN 102556812B CN 201210043098 A CN201210043098 A CN 201210043098A CN 102556812 B CN102556812 B CN 102556812B
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- elevator door
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Abstract
The invention discloses an elevator door auxiliary anti-clamping method and a system. The real-time images of the door edge and the threshold of an elevator are obtained by a high-definition camera arranged just above the elevator door, wherein a diffuse reflection surface layer is arranged on the surface of the elevator, whether the elevator door is clamped with foreign objects or not is judged by an image processing method, and corresponding safe control is carried out to the elevator door by a control system.
Description
Technical field
The present invention relates to a kind of elevator door anti-clamping method and system, particularly a kind of elevator door auxiliary anti-clamping method and system.
Background technology
In order to prevent, in the time that elevator is closed, upper and lower elevator passenger occurs or article are clamped by elevator door, in elevator door, be typically provided with the safety apparatuss such as infrared acquisition, in the time that passenger is pressed from both sides, elevator door is conventionally understood phase down action and is again opened.But current check implement all cannot detect thinner foreign matter, as separate elevator door both sides people and and dog, elongated dog's leash is difficult to be detected.
For the problems referred to above, various counter-measures are produced.As the patent application document that application number is 20091074038.x, it discloses a kind of safety device for elevator, and it is to utilize camera acquisition elevator door closing situation to judge whether that foreign object sandwiches.But this total method must utilize the miscellaneous equipment such as external light source and beam splitter to assist.Because lift car is kept in motion, small vibrations are unavoidable, and these vibrations can make the optics such as beam splitter and light source cause larger change to the route of light, so precision is not high while use, and equipment complexity.
Summary of the invention
The object of the invention is: a kind of elevator door auxiliary anti-clamping method and system are provided.It can have judgement more accurately to whether there being foreign matter to be sandwiched elevator door, and is not subject to the interference of elevator motion.
Object of the present invention can realize by following technical proposal: a kind of elevator door auxiliary anti-clamping method, be characterized in: obtain surface and be set to the elevator door limit on diffuser reflection top layer and the realtime graphic of threshold by being arranged on high-definition camera directly over elevator door, judge in elevator door, whether to accompany foreign matter by the method for image processing again, and by control system, elevator door is carried out to corresponding safety control.
In above-mentioned elevator door auxiliary anti-clamping method, in the image that described high-definition camera is obtained, elevator door limit and threshold portion are divided and are distinguished into multiple blocks, draw the RGB color average of the pixel in RGB color average and all blocks of all pixels in each block, when the RGB color average of the pixel in the RGB of certain block color average and all blocks only poor while exceeding threshold value, judge and in elevator door, accompany foreign matter, and can judge the actual three-dimensional position of foreign matter at elevator door according to foreign matter place block.Because the image photographing exists the near big and far smaller of Perspective Principles, the division of block is taking the size on the image of actual photographed as foundation.
In aforesaid elevator door auxiliary anti-clamping method, the ground of described elevator door both sides and elevator door limit and threshold are arranged to respectively to two kinds of different gray scales.Gray scale has compared with High Defferential the best, is convenient to identify go out limit and door sill area, and then carries out block division and pixels statistics.
In aforesaid elevator door auxiliary anti-clamping method, the ground of described elevator door both sides has high reflectance.
Realize the auxiliary anti-clipping system of a kind of elevator door of said method, be characterized in: comprise the high-definition camera being located at directly over elevator door, high-definition camera is connected with image processing apparatus, graphics processing unit is connected with apparatus for controlling elevator, and door limit and the threshold surface of described elevator door are provided with diffuser reflection top layer.Diffuse reflector can be avoided the impact of the image of external light source on pick up camera shooting.
In the auxiliary anti-clipping system of above-mentioned elevator door, the ground of described elevator door both sides is provided with high reflecting surface, as the lighting source of image.
In the auxiliary anti-clipping system of aforesaid elevator door, described diffuser reflection top layer is barium sulfate coating.
Compared with prior art, the present invention, by irreflexive effect, has eliminated the impact for photographic images of external light source, and does not need other optics, can avoid optics because elevator shakes the image qualitative change causing.Therefore, whether method of the present invention can more efficiently clamp foreign matter to elevator door accurately and judge.Apparatus structure of the present invention is simply effective, with low cost, can extensively be promoted as the supplementary security system of elevator door anti-pinch.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the image schematic diagram that in the embodiment of the present invention, high-definition camera obtains;
Fig. 3 is the subregion schematic diagram of the embodiment of the present invention to image processing.
Mark in accompanying drawing: 1-elevator door, 2-high-definition camera, 3-image processing apparatus, 4-apparatus for controlling elevator, 5-ground, the high reflecting surface of 6-, 11-door limit, 12-threshold.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but not as the foundation to the present invention's restriction.
A kind of elevator door auxiliary anti-clamping method, obtain surface and be set to the elevator door limit on diffuser reflection top layer and the realtime graphic (as shown in Figure 2) of threshold by being arranged on high-definition camera directly over elevator door, judge in elevator door, whether to accompany foreign matter by the method for image processing again, and by control system, elevator door is carried out to corresponding safety control.In the image that described high-definition camera is obtained, elevator door limit and threshold portion are divided and are distinguished into multiple blocks (as shown in Figure 3), because the image photographing exists the near big and far smaller of Perspective Principles, the division of block is taking the size on the image of actual photographed as foundation.Then draw the RGB color average of the pixel in RGB color average and all blocks of all pixels in each block, when the RGB color average of the pixel in the RGB of certain block color average and all blocks only poor while exceeding threshold value, judge and in elevator door, accompany foreign matter, and can judge the actual three-dimensional position of foreign matter at elevator door according to foreign matter place block.The ground of described elevator door both sides and elevator door limit and threshold are arranged to respectively to two kinds of different gray scales.The ground of described elevator door both sides has high reflectance.
Realize the auxiliary anti-clipping system of a kind of elevator door of said method, as shown in Figure 1, comprise the high-definition camera 2 being located at directly over elevator door 1, high-definition camera 2 is connected with image processing apparatus 3 (computing chip), graphics processing unit 3 is connected with apparatus for controlling elevator 4, and door limit 11 and threshold 12 surfaces of described elevator door 1 are provided with diffuser reflection top layer.The ground 5 of described elevator door 1 both sides is provided with high reflecting surface 6.Described diffuser reflection top layer is barium sulfate coating.
Claims (2)
1. an elevator door auxiliary anti-clamping method, it is characterized in that: obtain surface and be set to the elevator door limit on diffuser reflection top layer and the realtime graphic of threshold by being arranged on high-definition camera directly over elevator door, judge in elevator door, whether to accompany foreign matter by the method for image processing again, and by control system, elevator door is carried out to corresponding safety control; In the image that described high-definition camera is obtained, elevator door limit and threshold portion are divided and are distinguished into multiple blocks, draw the RGB color average of the pixel in RGB color average and all blocks of all pixels in each block, when the RGB color average of the pixel in the RGB of certain block color average and all blocks only poor while exceeding threshold value, judge and in elevator door, accompany foreign matter, and can judge the actual three-dimensional position of foreign matter at elevator door according to foreign matter place block; The ground of described elevator door both sides and elevator door limit and threshold are arranged to respectively to two kinds of different gray scales; The ground of described elevator door both sides has high reflectance.
2. the auxiliary anti-clipping system of elevator door, it is characterized in that: comprise the high-definition camera (2) being located at directly over elevator door (1), high-definition camera (2) is connected with image processing apparatus (3), graphics processing unit (3) is connected with apparatus for controlling elevator (4), and door limit (11) and threshold (12) surface of described elevator door (1) are provided with diffuser reflection top layer; The ground (5) of described elevator door (1) both sides is provided with high reflecting surface (6); Described diffuser reflection top layer is barium sulfate coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043098.XA CN102556812B (en) | 2012-02-24 | 2012-02-24 | Elevator door auxiliary anti-clamping method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210043098.XA CN102556812B (en) | 2012-02-24 | 2012-02-24 | Elevator door auxiliary anti-clamping method and system |
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| Publication Number | Publication Date |
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| CN102556812A CN102556812A (en) | 2012-07-11 |
| CN102556812B true CN102556812B (en) | 2014-12-03 |
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| CN201210043098.XA Active CN102556812B (en) | 2012-02-24 | 2012-02-24 | Elevator door auxiliary anti-clamping method and system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105705448B (en) * | 2013-11-15 | 2017-07-25 | 因温特奥股份公司 | To the Detection of Existence of the object in lift car |
| CN105347156A (en) * | 2015-10-30 | 2016-02-24 | 中山市鑫海精密制造科技有限公司 | Anti-collision elevator and using method thereof |
| CN107132794B (en) * | 2017-05-22 | 2019-08-20 | 诺亘(上海)工业自动化有限公司 | Safety protecting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919712A (en) * | 2006-09-20 | 2007-02-28 | 浙江工业大学 | Elevator safety apparatus based on image recognition technique |
| CN101585478A (en) * | 2008-05-23 | 2009-11-25 | 株式会社日立制作所 | Safety device and security control method for elevator door |
| CN201501719U (en) * | 2009-08-06 | 2010-06-09 | 武汉智能电梯有限公司 | Elevator light curtain system |
| CN101734537A (en) * | 2008-11-05 | 2010-06-16 | 株式会社日立制作所 | Safety device for elevator |
| CN202465005U (en) * | 2012-02-24 | 2012-10-03 | 莱茵电梯（中国）有限公司 | Auxiliary anti-clamping system for lift door |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009084040A (en) * | 2007-10-03 | 2009-04-23 | Hitachi Ltd | Method for controlling elevator |
| JP2010241581A (en) * | 2009-04-09 | 2010-10-28 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator door image recording device |
-
2012
- 2012-02-24 CN CN201210043098.XA patent/CN102556812B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919712A (en) * | 2006-09-20 | 2007-02-28 | 浙江工业大学 | Elevator safety apparatus based on image recognition technique |
| CN101585478A (en) * | 2008-05-23 | 2009-11-25 | 株式会社日立制作所 | Safety device and security control method for elevator door |
| CN101734537A (en) * | 2008-11-05 | 2010-06-16 | 株式会社日立制作所 | Safety device for elevator |
| CN201501719U (en) * | 2009-08-06 | 2010-06-09 | 武汉智能电梯有限公司 | Elevator light curtain system |
| CN202465005U (en) * | 2012-02-24 | 2012-10-03 | 莱茵电梯（中国）有限公司 | Auxiliary anti-clamping system for lift door |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 313009 Zhejiang Province, Huzhou city Nanxun District Lian Senhe Avenue City Industrial Park, No. 1 Applicant after: SICHER ELEVATOR CO., LTD. Address before: 313009, Huzhou City, Zhejiang province Nanxun district training City Industrial Park Applicant before: Rhine elevator (China) Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: RHINE LIFT (CHINA) CO., LTD. TO: SICHER ELEVATOR CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Dongliu Inventor after: Niu Youquan Inventor after: Shen Mingming Inventor before: Li Dongliu |