CN102762479A - Elevator device - Google Patents
Elevator device Download PDFInfo
- Publication number
- CN102762479A CN102762479A CN2010800645020A CN201080064502A CN102762479A CN 102762479 A CN102762479 A CN 102762479A CN 2010800645020 A CN2010800645020 A CN 2010800645020A CN 201080064502 A CN201080064502 A CN 201080064502A CN 102762479 A CN102762479 A CN 102762479A
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- car
- image
- violence
- difference
- threshold value
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0012—Devices monitoring the users of the elevator system
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- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Provided is an elevator device that can detect wild movements of passengers. Without requiring a specialized terminal or the like, the provided elevator device allows a wildness threshold, for determining the presence or absence of wild movements, to be accurately set via a simple process. A test image is displayed on a display in an elevator car in a prescribed state, in which there are no moving bodies inside the car, and a camera takes a picture of the inside of the car. The difference in brightness between an image at that time and an image taken by the camera in the aforementioned car state is computed, and a counting unit counts the number of detection units for which the brightness difference exceeds a brightness difference threshold. The number of detection units counted by the counting unit, as above, is used to set an appropriate wildness threshold which a wildness determination unit uses to determine the presence or absence of wild movements.
Description
Technical field
The present invention relates to possess the lift appliance of the function of the violent action that detects the passenger.
Background technology
As the prior art of lift appliance, propose to have the lift appliance (for example, with reference to patent documentation 1 and 2) that possesses the function that the violent action to the passenger in the car detects.
In patent documentation 1 and 2 described lift appliances; Through resolving the image of the pick up camera that is provided with in the comfortable car; Calculate the direction and big or small side-play amount of passenger's action, surpassed in the side-play amount that calculates under the situation of predetermined threshold value, detect passenger's violent action.
In possessing the lift appliance of above-mentioned functions,, judge whether to exist violent action according to image in the car of shot by camera.Therefore, be used to judge whether to exist the above-mentioned threshold value of violent action to come according to the state in the car each elevator is suitably set.
In view of such situation, in patent documentation 1 described lift appliance, constitute and to carry out the correction of above-mentioned threshold value from the entrained maintenance terminal of the professional and technical personnel of elevator.
In addition, in patent documentation 2 described lift appliances, the aviation value and the variance of side-play amount are carried out data base system, in the violence detecting device, possess the unit that carries out the threshold value correction according to above-mentioned data bank according to the state of switch door or the kind of car walls.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2007-31018 communique
Patent documentation 2: No. 4321471 communique of japanese
Summary of the invention
The problem that invention will solve
Fig. 5 is the figure that an example of image in the car is shown.Under the situation that the car 1 of elevator is made up of the car walls 1a of stainless steel, the passenger's mirrors car walls 1a more easily as 17a and 17b than when car walls 1a is made up of resinous material.Therefore, be under the corrosion-resistant steel situation about processing at car walls 1a, even the passenger carries out identical action in car 1, can be the action that situation that resin is processed detects the passenger more significantly also than car walls 1a.
In patent documentation 1 and 2 described lift appliances,, calculate the direction and big or small side-play amount of passenger's action in order to detect violent action.Therefore, even there be very big work capacity and the problem of handling burden of requiring in the learning behavior that when carrying out the correction of above-mentioned threshold value, also must be scheduled to (for example, the action of carrying out the switch door waits the behavior of calculating the above-mentioned side-play amount relevant with movable body etc.).
And, in patent documentation 1 described lift appliance, when setting above-mentioned threshold value, also need the elevator professional and technical personnel of portable maintenance terminal and this maintenance terminal of operation.Therefore, operating efficiency is poor, in addition, and the problem that also exists system to become expensive.
The present invention accomplishes in order to address the above problem; Its purpose is to provide a kind of lift appliance; In the lift appliance of the function that possesses the violent action that detects the passenger; Can be used to judge whether to exist the violence threshold value of violent action through correct setting of simple processing, and not need special purpose terminal etc.
The means that are used to deal with problems
Lift appliance of the present invention possesses: pick up camera, photograph in its car to elevator; Image recording portion, it is used to write down the image of being taken by pick up camera; Brightness value difference test section, it is to the difference of the brightness value of each preset detection unit's detection record between image of image recording portion and predetermined compare image; The luminance difference judging part, it is used for judging by the detected luminance difference of brightness value difference test section whether surpass predetermined brightness difference limen value; Count section, it is used for being that the quantity that luminance difference has surpassed the detection unit of luminance difference threshold value is counted by the luminance difference judgement section judges; And the violence judging part, the situation that its quantity in the detection unit that is counted to get by count section surpasses predetermined violence threshold value judges to there being passenger's violent action, and said lift appliance also possesses: telltale, it is located at car; The adjustment operation control part; It does not exist in car under the predetermined car internal state of movable body; Make telltale show predetermined test pattern, make pick up camera to photographing in the car, and; The difference of the brightness value between the image that brightness value difference test section taken by pick up camera to the image of this moment with when the predetermined car internal state is detected, count section is counted the quantity that luminance difference surpasses the detection unit of luminance difference threshold value; And the configuration part, it is according to the quantity of the detection unit that is counted to get by count section through the control of adjustment operation control part, sets to be used to supply the violence judgement section judges whether to have the violence threshold value of violent action.
The effect of invention
According to the present invention, in the lift appliance of the function that possesses the violent action that detects the passenger, can be used to judge whether to exist the violence threshold value of violent action through correct setting of simple processing, and not need specialized apparatus or terminal etc.
Description of drawings
Fig. 1 is the constructional drawing that the lift appliance of embodiment 1 of the present invention is shown.
Fig. 2 is the figure of concrete structure that the violence detecting device of Fig. 1 is shown.
Fig. 3 is the diagram of circuit of action that the lift appliance of embodiment 1 of the present invention is shown.
Fig. 4 is the figure that is illustrated in the image of taking when setting the violence threshold value.
Fig. 5 is the figure that an example of image in the car is shown.
The specific embodiment
For the present invention is described in further detail, the present invention will be described according to accompanying drawing.And, in each figure,, and suitably simplify even omit the explanation of its repetition to the identical label of identical or cooresponding part mark.
Fig. 1 is the constructional drawing that the lift appliance of embodiment 1 of the present invention is shown, and Fig. 2 is the figure of concrete structure that the violence detecting device of Fig. 1 is shown.In this lift appliance, possesses the function of the violent action that detects the passenger in the elevator.
Among Fig. 1, label 1 is the car that in elevator hoistways, goes up and down, and label 2 is the violence detecting devices that are used to detect the passenger's in the car 1 violent action, and label 3 is to be used for the control panel of managing is controlled in the operation of the whole elevators such as the control of advancing of car 1.
Telltale 4 is the parts that possess for the passenger in car 1 informs predetermined information.Telltale 4 for example is made up of Liquid Crystal Display (LCD) etc., the control signal control of the demonstration origin Self Control dish 3 of this telltale 4.
Pick up camera 5 is the parts that are disposed at car 1 as monitoring application, has preestablished photography direction or the angle of this pick up camera 5 etc., so that can photograph to the preset range in the car 1.The visual field of pick up camera 5 for example is configured to turnover oral-lateral from car 1 towards the inboard, thereby can not photograph to the door of elevator.And in the image that pick up camera 5 is taken, the display image that can comprise display image and the telltale 4 of telltale 4 is mirrored both sides or the side in the picture that the car walls 1a of car 1 forms (below, be also referred to as " reflected image 4a ").
Image recording portion 6 is the parts that are used to write down the image of being taken by pick up camera 5.That is, the image of being taken by pick up camera 5 is sent to violence detecting device 2 via communication line etc., and is recorded to image recording portion 6 successively.
Brightness value difference test section 7 has the function to the difference of the brightness value of each preset detection unit's detection record between image of image recording portion 6 and predetermined compare image.For example, brightness value difference test section 7 calculates the difference that is recorded in current time t2 (up-to-date) image of image recording portion 6 and is recorded in the brightness value between the image of predetermined instant t1 in past of image recording portion 6 to each pixel.
And the image in the past of adopting as the compare image also can be the image of before moment t2, taking soon, also can be for image is midway rejected resulting predetermined number image before.In addition, also can be through being employed in a plurality of moment (t1, t1 ' in the past ...) image taken is as the compare image, utilizes brightness value difference test section 7 to obtain the aviation value of difference of image and the brightness value between each image in the past of t2 constantly.In addition, also can carry out just after bigger such weighting, carrying out above-mentioned computation of mean value near the moment weight of current time t2.
Hereinafter, with specifying the situation of brightness value difference test section 7 to the difference of each pixel detection brightness value., above-mentioned detection unit is not limited to pixel, for example, also can each piece that form with predetermined big or small split image in advance be set at detection unit.In this case, brightness value difference test section 7 is to the difference of each piece sensed luminance value that is partitioned into.
Luminance difference judging part 8 has whether judgement is surpassed predetermined brightness difference limen value by brightness value difference test section 7 detected luminance differences function.8 pairs of brightness value differences of luminance difference judging part test section, 7 detected each luminance difference are carried out above-mentioned judgement,, in this embodiment, each pixel are carried out above-mentioned judgement that is.And the luminance difference threshold value of in above-mentioned judgement, using is stored in storage part 12 in advance.
Count section 9 have to as in the image of the detected object of violent action (for example, the image of t2) constantly, be judged as luminance difference by luminance difference judging part 8 and surpass the function that the pixel quantity (detecting the quantity of unit) of luminance difference threshold value is counted.
And the judged result of violence judging part 10 is exported to control panel 3 from efferent 11.In addition, the violence threshold value of in above-mentioned judgement, using is stored in storage part 12 in advance.
Set operation control part 13 and have the function that the action when setting above-mentioned violence threshold value is controlled.Narrate the function of this setting operation control part 13 in the back.
Below, also with reference to Fig. 3 and Fig. 4, the action during to setting violence threshold value, the function separately of promptly setting operation control part 13 and configuration part 14 describes particularly.Fig. 3 is the diagram of circuit of action that the lift appliance of embodiment 1 of the present invention is shown, and Fig. 4 is the figure that is illustrated in the image of taking when setting the violence threshold value.
When being in night of not using elevator etc., when being used to set the predetermined instant of violence threshold value, setting operation control part 13 output predetermined actions instructions.When control panel 3 receives action command from setting operation control part 13; In car 1, do not exist in movable body and the car 1 to make telltale 4 show predetermined test pattern (S101) under the predetermined state of turning off the light, and make photograph in 5 pairs of cars 1 of pick up camera (S102).
Fig. 4 is the accompanying drawing that is illustrated in an example of the captured image of pick up camera among the S102 5.Adopt at car 1 under the situation of car walls 1a of stainless steel, the picture of telltale 4 is mirrored car walls 1a easily.Therefore, there is following situation: in S102, in the captured image, except the test pattern that in telltale 4, shows, also be included in the reflected image 4a that car walls 1a mirrors at pick up camera 5.
On the other hand; In violence detecting device 2; Through instructing from setting operation control part 13 output actions; The difference of the brightness value between 7 pairs of images of in S102, taking of brightness value difference test section and the image when car 1 is in above-mentioned predetermined state, taken by pick up camera 5 (below, be also referred to as " the compare image of setting usefulness ") detects.Then, by luminance difference judging part 8 each pixel is carried out and the luminance difference threshold value between comparison (S103), and, utilize pixel quantity in 9 pairs of images of in S102, taking of count section, that luminance difference surpasses the luminance difference threshold value to count (S104).
And the function separately self of brightness value difference test section 7, luminance difference judging part 8 and the count section 9 of this moment is identical when judging with above-mentioned violence.
The compare image of above-mentioned setting usefulness for example is not obtain by photographing in 5 pairs of cars 1 of pick up camera when (that is, in car 1, not having the state of turning off the light in movable body and the car 1) through be in above-mentioned predetermined state at car 1.The compare image of this setting usefulness can be the image that is recorded in image recording portion 6 in advance, also can be at the image that after the instruction of setting operation control part 13 output actions, is recorded in image recording portion 6.In addition; The aviation value of difference that also can be through being employed in many images that above-mentioned predetermined state takes down as the compare image of setting usefulness, utilizing brightness value difference test section 7 to obtain the image in S102, taken and the brightness value between above-mentioned many images.And, when calculating above-mentioned aviation value, the weighting that also can be scheduled to.
Then, configuration part 14 is used to judge whether exist the setting (S105) of the pixel quantity threshold value (that is violence threshold value) of violent action according to the pixel quantity that in S104, counts to get.
Above-mentioned car walls judging part 15 has the function that the pixel quantity that counts to get according to count section 9 is judged the material of the car walls 1a that is used for car 1.The picture of telltale 4 is mirrored the material of car walls 1a easily, and the pixel quantity that in S104, counts to get just increases.Based on such consideration, car walls judging part 15 is derived the material of car walls 1a according to the pixel quantity that in S104, counts to get.
In addition, the material of threshold setting portion 16 with the car walls 1a that is judged according to car walls judging part 15 set the function of optimum violence threshold value.When threshold setting portion 16 has confirmed the violence threshold value according to the material of car walls 1a, the violence threshold value that is stored in storage part 12 is updated to the value that this is newly confirmed.
Below table 1 is to have preestablished the material of the pixel quantity that in S104, counted to get by count section 9, car walls 1a and the corresponding tables of the relation between this three of violence threshold value (to be assumed to be VGA (Video Graphics Array: Video Graphics Array), 640 * 480 pixels).Predetermined corresponding tables like this is held 14 (perhaps, storage part 12) in the configuration part.The pixel quantity that car walls judging part 15 counts to get according to count section 9 is also confirmed the material of car walls 1a with reference to above-mentioned corresponding tables.In addition, optimum violence threshold value is selected according to car walls judging part 15 determined car walls 1a and with reference to above-mentioned corresponding tables by threshold setting portion 16.
[table 1]
And above-mentioned table 1 shows following situation: car walls judging part 15 is not only judged the material of car walls 1a according to the count results of count section 9, also judges color deep or light of car walls 1a.For example, be under the resin situation about processing at car walls 1a, compare when dark with the color of car walls 1a, when the color of car walls 1a was brighter, the picture of telltale 4 was easy to mirror car walls 1a.Have at car walls judging part 15 under the situation of such function, deep or light the two of the material of the car walls 1a that threshold setting portion 16 judges according to car walls judging part 15 and color set the violence threshold value with the matched optimum of car walls 1a.
According to the embodiment of the present invention 1, need not special-purpose terminal etc., can be through the correct violence threshold value that be used to judge whether to exist violent action of setting of simple processing.
Promptly; If said structure; Owing to can confirm that thereby car walls 1a sets optimum violence threshold value, therefore when setting the violence threshold value, need not to prepare entrained maintenance terminal of professional and technical personnel or special purpose terminal etc. according to the situation of mirroring of the test pattern that in telltale 4, shows.In addition, in the lift appliance of this structure,, therefore can under the situation of the processing burden that does not increase system, carry out above-mentioned setting operation owing to need not be used to calculate processing about the side-play amount of movable body.
And, in this embodiment, the situation of the setting action of in the time night etc. can't utilizing elevator, carrying out the violence threshold value is illustrated., if the time that elevator is rested etc. are utilized,, also can carry out above-mentioned setting action even then in the usual time period that can utilize elevator.In this case, for example,, then end above-mentioned setting operation, then, be transferred to the setting action of carrying out the violence threshold value when resting state more again at elevator and get final product if in the setting of violence threshold value action, send operating instruction or the instruction of switch door.
In addition, in the lift appliance of said structure, also can make control panel 3 possess the part of functions of setting operation control part 13.
Utilizability on the industry
Lift appliance of the present invention can be applied to have the lift appliance of the function of the violent action that detects the passenger in the elevator.
Label declaration
1: car;
1a: car walls;
2: the violence detecting device;
3: control panel;
4: telltale;
4a: reflected image;
5: pick up camera;
6: image recording portion;
7: brightness value difference test section;
8: the luminance difference judging part;
9: count section;
10: the violence judging part;
11: efferent;
12: storage part;
13: set operation control part;
14: the configuration part;
15: the car walls judging part;
16: threshold setting portion;
17a, 17b: passenger's picture.
Claims (3)
1. lift appliance, it possesses:
Pick up camera is photographed in its car to elevator;
Image recording portion, it is used to write down the image of being taken by said pick up camera;
Brightness value difference test section, it is to the difference of the brightness value of each preset detection unit's detection record between image of said image recording portion and predetermined compare image;
The luminance difference judging part, it is used for judging by the detected luminance difference of said brightness value difference test section whether surpass predetermined brightness difference limen value;
Count section, it is used for being that the quantity that luminance difference has surpassed the detection unit of luminance difference threshold value is counted by said luminance difference judgement section judges; And
Violence judging part, its situation that surpasses predetermined violence threshold value in quantity of the detection unit that is counted to get by said count section judge to there being passenger's violent action,
Said lift appliance also possesses:
Telltale, it is located at said car;
The adjustment operation control part; It does not exist in said car under the predetermined car internal state of movable body; Make said telltale show predetermined test pattern; Make said pick up camera to photographing in the said car; And, the difference of the brightness value between the image that said brightness value difference test section taken by said pick up camera to the image of this moment with when the said predetermined car internal state is detected, said count section is counted the quantity that luminance difference surpasses the detection unit of luminance difference threshold value; And
The configuration part, it is according to the quantity of the detection unit that counted to get by said count section through the said control of said adjustment operation control part, sets to be used to supply said violence judgement section judges whether to have the violence threshold value of violent action.
2. lift appliance according to claim 1, wherein,
Said configuration part possesses:
The car walls judging part, the quantity of the detection unit that it counts to get according to said count section is judged the material of the car walls that is used for said car; With
Threshold setting portion, its material according to the said car walls that is gone out by said car walls judgement section judges is set the violence threshold value.
3. lift appliance according to claim 2, wherein,
The quantity of the detection unit that said car walls judging part counts to get according to said count section is not only judged the material of said car walls, also judges color deep or light of said car walls,
Said threshold setting portion is according to the material of the said car walls that is gone out by said car walls judgement section judges and the deep or light violence threshold value of setting of color.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/052763 WO2011104818A1 (en) | 2010-02-23 | 2010-02-23 | Elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102762479A true CN102762479A (en) | 2012-10-31 |
| CN102762479B CN102762479B (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080064502.0A Active CN102762479B (en) | 2010-02-23 | 2010-02-23 | Elevator device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5360290B2 (en) |
| CN (1) | CN102762479B (en) |
| WO (1) | WO2011104818A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925604A (en) * | 2014-03-19 | 2015-09-23 | 株式会社日立建筑系统 | Elevator monitoring device |
| CN105060050A (en) * | 2015-07-23 | 2015-11-18 | 孟凯涛 | Elevator running door opening dangerous case detection system |
| CN105129555A (en) * | 2015-08-04 | 2015-12-09 | 董岩 | Method for recognizing suspicious elevator violence incident |
| CN111960206A (en) * | 2019-05-20 | 2020-11-20 | 东芝电梯株式会社 | Image processing apparatus and marker |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11040858B2 (en) | 2018-05-01 | 2021-06-22 | Otis Elevator Company | Elevator door interlock assembly |
| US11040852B2 (en) * | 2018-05-01 | 2021-06-22 | Otis Elevator Company | Elevator car control to address abnormal passenger behavior |
| US11034548B2 (en) | 2018-05-01 | 2021-06-15 | Otis Elevator Company | Elevator door interlock assembly |
| US11155444B2 (en) | 2018-05-01 | 2021-10-26 | Otis Elevator Company | Elevator door interlock assembly |
| US11046557B2 (en) | 2018-05-01 | 2021-06-29 | Otis Elevator Company | Elevator door interlock assembly |
| US11760604B1 (en) | 2022-05-27 | 2023-09-19 | Otis Elevator Company | Versatile elevator door interlock assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104925604A (en) * | 2014-03-19 | 2015-09-23 | 株式会社日立建筑系统 | Elevator monitoring device |
| CN104925604B (en) * | 2014-03-19 | 2017-07-04 | 株式会社日立建筑系统 | Elevator monitoring apparatus |
| CN105060050A (en) * | 2015-07-23 | 2015-11-18 | 孟凯涛 | Elevator running door opening dangerous case detection system |
| CN105129555A (en) * | 2015-08-04 | 2015-12-09 | 董岩 | Method for recognizing suspicious elevator violence incident |
| CN111960206A (en) * | 2019-05-20 | 2020-11-20 | 东芝电梯株式会社 | Image processing apparatus and marker |
| CN111960206B (en) * | 2019-05-20 | 2022-02-01 | 东芝电梯株式会社 | Image processing apparatus and marker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5360290B2 (en) | 2013-12-04 |
| WO2011104818A1 (en) | 2011-09-01 |
| JPWO2011104818A1 (en) | 2013-06-17 |
| CN102762479B (en) | 2014-10-29 |
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