CN109969889A - Sanitary environment in elevator cage monitoring device - Google Patents
Sanitary environment in elevator cage monitoring device Download PDFInfo
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- CN109969889A CN109969889A CN201711457647.7A CN201711457647A CN109969889A CN 109969889 A CN109969889 A CN 109969889A CN 201711457647 A CN201711457647 A CN 201711457647A CN 109969889 A CN109969889 A CN 109969889A
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- monitoring device
- foul
- vegetarian refreshments
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Classifications
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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
- B66B5/0018—Devices monitoring the operating condition of the elevator system
Abstract
The invention discloses a kind of sanitary environment in elevator cage monitoring devices comprising depth camera, computer；Depth camera is communicated with computer；Depth camera is used to acquire the colouring information of cage bottom three-dimensional image vegetarian refreshments and is transferred to the computer, and each three-dimensional image vegetarian refreshments includes plan-position abscissa x, ordinate y and depth information z, and depth information z is distance of the pixel to depth camera.Sanitary environment in elevator cage monitoring device of the invention, the colouring information of the three-dimensional image vegetarian refreshments of cage bottom is acquired by depth camera and is transferred to computer, computer can judge presence, area and the volume of pollutant according to the colouring information of the three-dimensional image vegetarian refreshments of cage bottom, whether and can judge automatically is qualified carriage hygienic conditions, hygienic conditions in effective monitoring lift car, the hygienic conditions in lift car are safeguarded convenient for manager, reduce management cost.
Description
Technical field
The present invention relates to a kind of lift car field technologies, monitor and fill more particularly to a kind of sanitary environment in elevator cage
It sets.
Background technique
Elevator largely uses in the places such as all kinds of main facilities and inhabitation building, and plays very important work
With the various aspects such as the work and life of people all offering convenience property could be given just because of there is the presence of elevator.Elevator car at present
Camera can be all housed, the control of elevator operation is carried out by microprocessor in compartment.Microprocessor chip performance and function
Constantly upgrading, artificial intelligence become the trend in epoch, and the technology and algorithm of image procossing receive significant attention, and have welcome quick hair
The duration of an exhibition.
Whether Clean and comfortable is not only related with the physical experience of each user in lift car, also reflects elevator and returns
Belong to the management competency of unit.As communal facility, the frequency that elevator uses is high, and space is relatively small, leads to foul foreign matter in elevator
Equal rubbish fall easy accumulation.Ground is dirty and messy when having, and various beverages are poured out, drunk personage's vomiting, pet, child excreta go out
When present carriage, will lead to worse influence, and common elevator hygienic conditions cleaning be usually in the daily set time,
Or can only inform that administrative center and cleanup crew clean until artificial, timeliness is had a greatly reduced quality, and is made to passenger later
At discomfort, or using artificial real time monitoring, but increase management cost.
A kind of existing urine sensor using in lift car handles the device of uncivil behavior, the urine in terraced carriage
Sensor receives signal, controls elevator emergency stop and is trapped in the lift car the passenger for carrying out this uncivil behavior, while using camera
Evidence is shot, uncivil behavior is handled with this.But the device act only on elevator pollutant be urine when, range is narrow
It is narrow, the daily cleaning maintenance of elevator is acted on little.
There are also the cabin elevator of eliminating organic pollutant, which is laid with organic gas between upper and lower blast fence and carriage
Body Catalytic Layer drives gas catalyst catalyzing organic to decompose using air-flow.However, organic matter is in organic gas catalysts conditions
Under decomposition rate do not learn that and be also possible to can cause damages to the health of human body for organic gas catalyst still.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of sanitary environment in elevator cage monitoring devices, can sentence automatically
Whether disconnected be qualified carriage hygienic conditions, the hygienic conditions in effective monitoring lift car, convenient for manager to lift car
Interior hygienic conditions are safeguarded, management cost is reduced.
In order to solve the above technical problems, sanitary environment in elevator cage monitoring device provided by the invention comprising depth
Camera, computer；
Depth camera is communicated with the computer；
The depth camera, for acquiring the colouring information of cage bottom three-dimensional image vegetarian refreshments and being transferred to the calculating
Machine, each three-dimensional image vegetarian refreshments include plan-position abscissa x, ordinate y and depth information z, and depth information z is pixel to deeply
Spend the distance of camera.
Preferably, the depth camera is arranged in car roof.
Preferably, depth camera is communicated or is wirelessly communicated by video transmission line with the computer.
Preferably, the depth camera is that monocular structure light depth camera, TOF depth camera or binocular vision are deep
Spend camera.
Preferably, the computer installation has image processing module；
Described image processing module, when one three-dimensional image vegetarian refreshments of cage bottom depth information z be less than depth setting value, then
This three-dimensional image vegetarian refreshments is inactive pixels point, other three-dimensional image vegetarian refreshments are effective pixel points.
Preferably, the computer installation has image processing module；
Described image processing module, when one three-dimensional image vegetarian refreshments of cage bottom depth information z be less than depth setting value, then
This three-dimensional image vegetarian refreshments and its three-dimensional image vegetarian refreshments of adjoining are inactive pixels point, other three-dimensional image vegetarian refreshments are effective pixel points.
Preferably, described image processing module, for by the colouring information of effective pixel points with the clean carriage prestored
Floor image compares, and records the color difference of the pixel different from clean car floor image, and color difference is greater than setting color difference
The neighbor pixel plan-position of threshold values forms a difference section, then sentences when the area of a difference section is greater than the first setting area
Fixed this difference section is foul domain of the existence.
Preferably, the sanitary environment in elevator cage monitoring device further includes user terminal；
The computer is the same as the user terminal communication；
When described image processing module determines that there are bulk area concentrated fouls in carriage, or big gross area discrete type
Foul, then the computer transmission needs to clean information to the user terminal；
4th setting area is greater than third and sets area, and third sets area and is greater than the second setting area, the second setting face
Product is greater than the first setting area；
When a foul domain of the existence area be greater than second setting area and volume be greater than setting volume, then this is dirty
Object domain of the existence is bulk area concentrated foul；
Area is set when the area of a foul domain of the existence is greater than third, then this foul domain of the existence is bulk area
Concentrated foul；
When the sum of multiple adjacent areas of foul domain of the existence are greater than the 4th setting area, and single foul therein
The area of domain of the existence is in the first setting area between second area, then multiple adjacent foul domain of the existence is big total
Area discrete type foul.
Preferably, the sanitary environment in elevator cage monitoring device further includes SMS transmission module；
The user terminal is mobile phone；
The computer is communicated with the SMS transmission module；
When described image processing module determines that there are bulk area concentrated fouls in carriage, or big gross area discrete type
Foul, then the computer is sent by SMS transmission module needs clean short message to the user terminal.
Preferably, SMS transmission module is communicated with mobile phone by global system for mobile communications；
SMS transmission module is connect by RS232 serial ports with computer.
Preferably, the user terminal is intelligent terminal；
The computer passes through internet communication with the user terminal；
The user terminal is provided with cleaning reminder application；
Need to clean information when the user terminal receives, then the cleaning reminder application control output warning letter
Number.
Sanitary environment in elevator cage monitoring device of the invention acquires the three-dimensional image of cage bottom by depth camera
The colouring information of vegetarian refreshments is simultaneously transferred to computer, and computer can judge according to the colouring information of the three-dimensional image vegetarian refreshments of cage bottom
Presence, area and the volume of pollutant, and whether can judge automatically is qualified carriage hygienic conditions, effective monitoring elevator car
Hygienic conditions in compartment safeguard the hygienic conditions in lift car convenient for manager, reduce management cost.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, the required attached drawing of the present invention is made below simple
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is one example structure schematic diagram of sanitary environment in elevator cage monitoring device of the invention；
Fig. 2 is that the binocular depth camera carriage of one embodiment of sanitary environment in elevator cage monitoring device of the invention is clapped
Take the photograph schematic diagram；
Fig. 3 is that the binocular depth camera structure of one embodiment of sanitary environment in elevator cage monitoring device of the invention shows
It is intended to；
Fig. 4 is that the bulk area concentrated foul of one embodiment of sanitary environment in elevator cage monitoring device of the invention shows
It is intended to；
Fig. 5 is that the big gross area discrete type foul of one embodiment of sanitary environment in elevator cage monitoring device of the invention shows
It is intended to.
Specific embodiment
Below in conjunction with attached drawing, clear, complete description is carried out to the technical solution in the present invention, it is clear that described
Embodiment is a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment one
As shown in Figure 1, sanitary environment in elevator cage monitoring device includes depth camera (also known as 3D sensor), calculates
Machine；
Depth camera is communicated with the computer；
The depth camera, for acquiring the colouring information of cage bottom three-dimensional image vegetarian refreshments and being transferred to the calculating
Machine, each three-dimensional image vegetarian refreshments include plan-position abscissa x, ordinate y and depth information z, and depth information z is pixel to deeply
Spend the distance of camera.
Preferably, the depth camera is arranged in car roof, as shown in Figure 2.
Preferably, depth camera is communicated with the computer by video transmission line (such as optical fiber, cable etc.) or nothing
Line communication.
Preferably, the depth camera is monocular structure light (Struct Light) depth camera.Monocular structure light
(Struct Light) principle, is to project the grating of coding or linear light source etc. on measured object, the distortion generated according to them
To demodulate the three-dimensional information of measured object.
Preferably, the depth camera is TOF (flight time) depth camera.TOF principle is that sensor issues warp
The near infrared light of modulation encounters object back reflection, by calculating light transmitting and the time difference reflected or phase difference come the quilt that converts
Shoot the distance of object.
Preferably, the depth camera is binocular vision depth camera, as shown in Figure 2 and Figure 3.Binocular vision rule
It is to calculate distance in a manner of parallax with two common cameras as human eye.
The measurement distance of depth camera can be used, measurement accuracy at 10 meters or so under strong light and low light condition
0.5% or so of distance value, the security level of laser reaches harmless, therefore meets the use environment of lift car.
Depth camera to collected data by the calculation process of image processor (FPGA or DSP etc. form), to image into
After the processing such as row filtering optimization, each pixel in picture can be calculated and obtain each pixel at a distance from camera
Depth information, export depth map and point cloud chart and used for the application program in operating system.Depth map is by the number of depth information
The matrix of one [x, y] is defined as according to structure, wherein x and, y respectively represents the plan-position of certain point in depth map, and data
This is as z, i.e. depth；Point cloud chart is similar with the data structure of depth map, but the data stored are [x, y, z] information.
The sanitary environment in elevator cage monitoring device of embodiment one acquires the three-dimensional of cage bottom by depth camera
The colouring information of pixel is simultaneously transferred to computer, and computer can be sentenced according to the colouring information of the three-dimensional image vegetarian refreshments of cage bottom
Presence, area and the volume of disconnected pollutant, and whether can judge automatically is qualified carriage hygienic conditions, it can effective monitoring
Hygienic conditions in lift car safeguard the hygienic conditions in lift car convenient for manager, reduce management cost.
Embodiment two
Sanitary environment in elevator cage monitoring device based on embodiment one, the computer installation have image procossing mould
Block；
Described image processing module, when one three-dimensional image vegetarian refreshments of cage bottom depth information z be less than depth setting value, then
This three-dimensional image vegetarian refreshments is inactive pixels point, other three-dimensional image vegetarian refreshments are effective pixel points.
Preferably, described image processing module, when the depth information z of one three-dimensional image vegetarian refreshments of cage bottom is set less than depth
Definite value, then this three-dimensional image vegetarian refreshments and its three-dimensional image vegetarian refreshments of adjoining are inactive pixels point, other three-dimensional image vegetarian refreshments are effective picture
Vegetarian refreshments.
Preferably, colouring information and biography of the depth camera every the cage bottom three-dimensional image vegetarian refreshments of acquisition in 10 seconds
It is defeated to arrive the computer, and guarantee signal can reliable transmission, will not packet loss and distortion, and there is inhibition to arrange interference signal
It applies.
Elevator has passenger and passes in and out lift car always as a kind of public transportation equipment.When there is passenger in carriage,
Passenger itself and the barriers such as the object such as cap, knapsack, chest carried can shelter from car floor, i.e., captured by camera
It is not all car floor on image, so that camera can not obtain car floor ambient conditions, is shot using common camera
Plane information can not judge which region is car floor, will lead to the judgement that mistake occurs in image processing program.
The height of normal adult at least 150cm has the child height of the ability of moveing freely also at least in 50cm or more,
The distance of foul to camera in car floor has apparent difference with the distance of people to camera, by comparing apart from size
May determine that corresponding region whether someone or big barrier.
The sanitary environment in elevator cage monitoring device of embodiment two, image processing module can pass through depth camera 30
The depth information z of the three-dimensional image vegetarian refreshments of acquisition come judge corresponding region whether someone or big barrier, filter out the ground of carriage
Plate region.Can these have bear or the pixel of big barrier region around increase by one circle protection zone pixel, prevent
The case where barrier is determined as there are error by foul due to the depth information of camera acquisition, sufficiently exclude people and barrier
The influence that image processing module is determined.
Embodiment three
Sanitary environment in elevator cage monitoring device based on embodiment two, described image processing module are used for effective picture
The colouring information of vegetarian refreshments is compared with the floor image of the clean carriage prestored, is recorded different from clean car floor image
Pixel color difference, color difference be greater than setting color difference threshold values neighbor pixel plan-position form a difference section, when one
The area of difference section sets area greater than first and then determines this difference section as foul domain of the existence.
The sanitary environment in elevator cage monitoring device of embodiment three, the image processing module program of computer installation can be with
According to there are the effective pixel points of color difference, whether continuous and number calculates whether have foul domain of the existence.
Example IV
Based on embodiment three, the sanitary environment in elevator cage monitoring device further includes user terminal；
The computer is the same as the user terminal communication；
When described image processing module determines that there are bulk area concentrated fouls in carriage, or big gross area discrete type
Foul, then the computer transmission needs to clean information to the user terminal；
4th setting area is greater than third and sets area, and third sets area and is greater than the second setting area, the second setting face
Product is greater than the first setting area；
When a foul domain of the existence area be greater than second setting area and volume be greater than setting volume (in conjunction with depth
Size can also calculate the volume for obtaining foul domain of the existence, setting volume for example can be 300 cubic centimetres), then should
A foul domain of the existence is bulk area concentrated foul；
When the area of a foul domain of the existence is greater than third setting area (such as 25 square centimeters), then this foul is deposited
It is bulk area concentrated foul in region；
Area (such as 100 square centimeters) are set when the sum of multiple adjacent areas of foul domain of the existence are greater than the 4th,
And the area of single foul domain of the existence therein is in the first setting area between second area, then multiple adjacent
Foul domain of the existence is big gross area discrete type foul.
Preferably, the sanitary environment in elevator cage monitoring device further includes SMS transmission module；
The user terminal is mobile phone；
The computer is communicated with the SMS transmission module；
When described image processing module determines that there are bulk area concentrated fouls in carriage, or big gross area discrete type
Foul, then the computer is sent by SMS transmission module needs clean short message to the user terminal；
SMS transmission module can be communicated with mobile phone by GSM (global system for mobile communications).
SMS transmission module can be connect by RS232 serial ports with computer.When COMPUTER DETECTION to underproof carriage
After environment, controlling the specified content of SMS transmission module transmission by RS232 serial ports, (which the underproof elevator of carriage environment is
Portion) SMS Tip to specified recipient, to achieve the purpose that notice.
Preferably, the user terminal is intelligent terminal；
The computer passes through internet communication with the user terminal；
The user terminal is provided with cleaning reminder application；
Need to clean information when the user terminal receives, then the cleaning reminder application control output warning letter
Number.
Preferably, after the computer transmission needs to clean information to the user terminal, sanitary environment in elevator cage
Monitoring device stops working a period of time (such as the time is set as 10 minutes), and control also may be selected in the computer in this time
Lift car processed rests in setting floor, and cleanup crew is waited to sweep.After a period of time or cleanup crew receives
After being swept after notice, the carriage of elevator operates normally again, and monitoring system restarts work.
The sanitary environment in elevator cage monitoring device of example IV, the foul in carriage are divided into two kinds, i.e. bulk area
Concentrated foul (as shown in Figure 4) and big gross area discrete type foul (as shown in Figure 5), bulk area concentrated foul is to carriage
Environment is affected, and influences smaller caused by discrete type booty is opposite, is mainly reflected in passenger to the feeling of carriage entirety.Figure
It, will or there are big gross area discrete type foul as processing module is determining that there are bulk area concentrated fouls in carriage
It is judged as that carriage environment is unqualified, transmission needs to clean information and notifies cleanup crew to go to handle to the user terminal.
The sanitary environment in elevator cage monitoring device of example IV is acquired carriage environment by sharp camera,
Carriage environment is identified and judged using the image processing program in computer, so that underproof environment obtains in carriage
It timely handles, so that the hygienic conditions in lift car obtain effective monitoring, is conducive to keep an environment excellent
Carriage environment, bring more comforts to passenger.By then passing through judging automatically and identifying for computer, find unqualified
Carriage environment notify cleanup crew automatically, eliminate manpower in real time to the hygienic conditions in lift car be monitored at
This；The clean frequency is fixed in the message scheduling cleanup crew that can be sent according to computer, reduction daily, is preferably provided to manpower
Source is utilized, and the demand to cleanup crew's quantity is reduced, and saves management cost.
The above is only preferred embodiment of the present application, it is not used to limit the application.Come for those skilled in the art
It says, various changes and changes are possible in this application.Within the spirit and principles of this application, made any modification, equivalent
Replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of sanitary environment in elevator cage monitoring device, which is characterized in that it includes depth camera, computer；
Depth camera is communicated with the computer；
The depth camera, for acquiring the colouring information of cage bottom three-dimensional image vegetarian refreshments and being transferred to the computer, often
A three-dimensional image vegetarian refreshments includes plan-position abscissa x, ordinate y and depth information z, and depth information z is that pixel is taken the photograph to depth
As the distance of head.
2. sanitary environment in elevator cage monitoring device according to claim 1, which is characterized in that
The depth camera is arranged in car roof；
Depth camera is communicated or is wirelessly communicated by video transmission line with the computer.
3. sanitary environment in elevator cage monitoring device according to claim 1, which is characterized in that
The depth camera is monocular structure light depth camera, TOF depth camera or binocular vision depth camera.
4. sanitary environment in elevator cage monitoring device according to claim 1, which is characterized in that
The computer installation has image processing module；
Described image processing module, when one three-dimensional image vegetarian refreshments of cage bottom depth information z be less than depth setting value, then this
Three-dimensional image vegetarian refreshments is inactive pixels point, other three-dimensional image vegetarian refreshments are effective pixel points.
5. sanitary environment in elevator cage monitoring device according to claim 1, which is characterized in that
The computer installation has image processing module；
Described image processing module, when one three-dimensional image vegetarian refreshments of cage bottom depth information z be less than depth setting value, then this
Three-dimensional image vegetarian refreshments and its three-dimensional image vegetarian refreshments of adjoining are inactive pixels point, other three-dimensional image vegetarian refreshments are effective pixel points.
6. according to the sanitary environment in elevator cage monitoring device of claim 4 or 5, which is characterized in that
Described image processing module, for carrying out the colouring information of effective pixel points with the floor image of the clean carriage prestored
Comparison, records the color difference of the pixel different from clean car floor image, and color difference is greater than the adjacent picture of setting color difference threshold values
Vegetarian refreshments plan-position forms a difference section, then determines this difference section when the area of a difference section is greater than the first setting area
For foul domain of the existence.
7. sanitary environment in elevator cage monitoring device according to claim 6, which is characterized in that
The sanitary environment in elevator cage monitoring device further includes user terminal；
The computer is the same as the user terminal communication；
When described image processing module determines that there are bulk area concentrated fouls in carriage, or big gross area discrete type is dirty
Object, then the computer transmission needs to clean information to the user terminal；
4th setting area is greater than third and sets area, and third sets area and is greater than the second setting area, and the second setting area is big
Area is set in first；
When a foul domain of the existence area be greater than second setting area and volume be greater than setting volume, then this foul is deposited
It is bulk area concentrated foul in region；
Area is set when the area of a foul domain of the existence is greater than third, then this foul domain of the existence is bulk area concentration
Type foul；
When the sum of multiple adjacent areas of foul domain of the existence are greater than the 4th setting area, and single foul presence therein
The area in region is in the first setting area between second area, then multiple adjacent foul domain of the existence is the big gross area
Discrete type foul.
8. sanitary environment in elevator cage monitoring device according to claim 7, which is characterized in that
The sanitary environment in elevator cage monitoring device further includes SMS transmission module；
The user terminal is mobile phone；
The computer is communicated with the SMS transmission module；
When described image processing module determines that there are bulk area concentrated fouls in carriage, or big gross area discrete type is dirty
Object, then the computer is sent by SMS transmission module needs clean short message to the user terminal.
9. sanitary environment in elevator cage monitoring device according to claim 8, which is characterized in that
SMS transmission module is communicated with mobile phone by global system for mobile communications；
SMS transmission module is connect by RS232 serial ports with computer.
10. sanitary environment in elevator cage monitoring device according to claim 7, which is characterized in that
The user terminal is intelligent terminal；
The computer passes through internet communication with the user terminal；
The user terminal is provided with cleaning reminder application；
Need to clean information when the user terminal receives, then the cleaning reminder application control output alarm signal.
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| CN201711457647.7A CN109969889A (en) | 2017-12-28 | 2017-12-28 | Sanitary environment in elevator cage monitoring device |
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Cited By (6)
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| CN113562575A (en) * | 2021-07-13 | 2021-10-29 | 美迪斯智能装备有限公司 | Intelligent cleaning system of elevator |
| CN113844972A (en) * | 2021-09-29 | 2021-12-28 | 湖南快杰电梯有限公司 | Method and system for monitoring sanitary environment in elevator car and storage medium |
| CN114373263A (en) * | 2022-01-11 | 2022-04-19 | 孟凡玉 | Diversified sharing detection system based on Internet |
| CN114803753A (en) * | 2021-01-21 | 2022-07-29 | 三菱电机株式会社 | Elevator control device and elevator system |
| WO2022194374A1 (en) * | 2021-03-18 | 2022-09-22 | Kone Corporation | A monitoring system and a monitoring method for an elevator system |
| CN114803753B (en) * | 2021-01-21 | 2024-04-19 | 三菱电机株式会社 | Elevator control device and elevator system |
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| CN113844972A (en) * | 2021-09-29 | 2021-12-28 | 湖南快杰电梯有限公司 | Method and system for monitoring sanitary environment in elevator car and storage medium |
| CN113844972B (en) * | 2021-09-29 | 2022-04-19 | 湖南快杰电梯有限公司 | Method and system for monitoring sanitary environment in elevator car and storage medium |
| CN114373263A (en) * | 2022-01-11 | 2022-04-19 | 孟凡玉 | Diversified sharing detection system based on Internet |
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