CN110861988A - Abnormal voiceprint recognition and fault diagnosis monitoring and alarming system for elevator - Google Patents
Abnormal voiceprint recognition and fault diagnosis monitoring and alarming system for elevator Download PDFInfo
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- CN110861988A CN110861988A CN201911343140.8A CN201911343140A CN110861988A CN 110861988 A CN110861988 A CN 110861988A CN 201911343140 A CN201911343140 A CN 201911343140A CN 110861988 A CN110861988 A CN 110861988A
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- voiceprint
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- elevator
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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
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a voiceprint recognition and fault diagnosis monitoring and alarming system for elevator abnormity. Through the hauler region at the elevator, set up one set of dedicated voiceprint collection system in the car, and outside failure diagnosis monitoring server has set up dedicated elevator voiceprint discernment check-up and failure diagnosis monitoring alarm device, and then realize the failure diagnosis and the remote monitoring warning to the elevator through voiceprint discernment, can discern through the voiceprint, discover elevator abnormal situation fast accurately, judge the position that probably breaks down, in time remind the control personnel to handle, and when taking place abnormal situation in the car, there is intelligent pronunciation to carry out voice prompt to the people in the car. Once the elevator breaks down or is in an abnormal condition, the elevator can be found in time and alarm processing can be carried out, and the rescue and maintenance efficiency is improved.
Description
Technical Field
The invention relates to a voiceprint recognition and fault diagnosis monitoring and alarming system for elevator abnormity, and belongs to the technical field of elevator equipment.
Background
At present, the working condition of an elevator tractor is generally judged by elevator maintenance personnel through experience in a machine room, the detection method has strong subjectivity and has great relation with the capability of the maintenance personnel, because whether the working condition of the tractor is abnormal needs to be manually judged, real-time detection cannot be achieved, and the part where the fault occurs is difficult to judge.
Many elevator cars are not provided with a video monitoring system, and even if the elevator is provided with a camera for video monitoring, the number of the elevators is large, the sound in the elevator cannot be heard in the video, and the people can not clearly judge whether each elevator is in normal operation or not. For the condition that many people take the elevator in violation of rules, monitoring personnel can not provide timely and effective prompts, and more unsafe behaviors of taking the elevator occur. Once the elevator is closed, a plurality of people do not know how to alarm the outside, trapped people are easy to panic, and even more, people can save themselves blindly, so that greater safety accidents are caused. For abnormal elevator riding behaviors and elevator closing conditions, the abnormal elevator riding behaviors and the elevator closing conditions cannot be found or alarm processing cannot be carried out in time, so that the delay of rescue and maintenance is caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an abnormal voiceprint recognition and fault diagnosis monitoring and alarming system for an elevator, which can extract voiceprint characteristics in voiceprint signals by acquiring the voiceprint signals of a target area in real time, carry out recognition and verification on the voiceprint characteristics and the models in a voiceprint database and a voice model library, accurately detect abnormal conditions and can carry out real-time remote monitoring and alarming.
The purpose of the invention is realized as follows:
a voice print recognition and fault diagnosis monitoring and alarming system for elevator abnormity is characterized in that a set of special voice print acquisition devices are arranged in a traction machine area and a lift car of an elevator, an external fault diagnosis monitoring server is provided with an elevator voice print recognition verification and fault diagnosis monitoring and alarming device, a traction machine voice print acquisition device, a video monitoring device and a traction machine voice print data sending module are arranged in the traction machine area, and the traction machine voice print acquisition device acquires voice print data of a traction machine working site in real time; the traction machine voiceprint data sending module is used for transmitting voiceprint data collected by the traction machine voiceprint collecting device and image data collected by the video monitoring device to the fault diagnosis monitoring server through a wireless network;
the car is provided with a car voiceprint acquisition device, a car data sending module, a car data receiving module and a voice prompt module, wherein the car voiceprint acquisition device acquires voiceprint data in the car in real time, the voiceprint data and image data acquired by the car voiceprint acquisition device are transmitted to the fault diagnosis monitoring server through the car data sending module through a wireless network, the car data receiving module is used for receiving signals sent by the fault diagnosis monitoring server from the wireless network, and the car data receiving module is connected with the voice prompt module;
the traction machine data sending module and the lift car data sending module send data to a data receiving module of the fault diagnosis monitoring server through a wireless network, the data receiving module is connected with a voiceprint feature extraction module through a filter, the filter is used for filtering and denoising, irrelevant background noise is filtered, voiceprint data after filtering and denoising are obtained, then the voiceprint feature extraction module performs feature extraction on the voiceprint data after denoising, the voiceprint feature extraction module is connected with a voiceprint database, a voice model library and a feature verification module, the feature verification module performs feature verification on voiceprint features extracted by the feature extraction module, data of the voiceprint database and the voice model library, the feature verification module is connected with an identification code generating module, and the identification code generating module is respectively connected with an alarm module and a monitoring alarm intelligent display terminal, and the identification code generation module generates a state identification code for the working condition of the tractor and the use condition in the car according to the characteristic verification result. And an alarm signal is sent to the alarm module through the tractor state identification code, and the abnormal and possibly failed parts of the running state of the tractor are displayed on the monitoring alarm intelligent display terminal. And sending an alarm signal to the alarm module through the car state identification code, and displaying the condition in the car on the monitoring alarm intelligent display terminal. And the car state identification code sends a signal to the car data receiving module through a wireless network through the wireless sending module, and sends a specified voice prompt to the voice prompt module in the car.
The tractor sound acquisition device is a microphone array.
The car sound collection device is a sound pickup and collects sound data in the car in real time.
Compared with the prior art, the invention has the advantages that:
the abnormal voiceprint recognition and fault diagnosis monitoring and alarming system for the elevator is characterized in that a set of special voiceprint collecting devices are arranged in a tractor area and a lift car of the elevator, and an external fault diagnosis monitoring server is provided with a special voiceprint recognition, verification and fault diagnosis monitoring and alarming device for the elevator, so that fault diagnosis and remote monitoring and alarming for the elevator are realized through voiceprint recognition, abnormal conditions of the elevator can be quickly and accurately found through voiceprint recognition, parts with possible faults are judged, monitoring personnel are timely reminded to handle the abnormal conditions, and when the abnormal conditions occur in the lift car, intelligent voice is provided for prompting people in the lift car.
Drawings
Fig. 1 is a schematic diagram of an abnormal voiceprint identification and fault diagnosis monitoring and alarming system of an elevator.
Fig. 2 is a schematic diagram of the connection of modules within the tractor area of fig. 1.
Fig. 3 is a schematic view showing the connection of modules inside the car of fig. 1.
Fig. 4 is a schematic diagram illustrating a connection relationship between modules in the fault diagnosis monitoring server in fig. 1.
Fig. 5 is a schematic block diagram of a traction machine monitoring of the abnormal voiceprint recognition and fault diagnosis monitoring and alarming system of the elevator.
Fig. 6 is a schematic block diagram of the car monitoring of the abnormal voiceprint recognition and fault diagnosis monitoring and alarming system of the elevator.
The reference numbers in the figures illustrate: the system comprises a tractor area 1, a tractor voiceprint acquisition device 1.1, a video monitoring device 1.2, a tractor data sending module 1.3, a car 2, a car voiceprint acquisition device 2.1, a car data sending module 2.2, a car data receiving module 2.3, a voice prompt module 2.4, a fault diagnosis monitoring server 3, a data receiving module 3.1, a filter 3.2, a voiceprint feature extraction module 3.3, a voiceprint database 3.4, a voice model library 3.5, a feature verification module 3.6, an identification code generation module 3.7, an alarm module 3.8, a monitoring alarm intelligent display terminal 3.9, a wireless sending module 3.10 and a wireless network 4.
Detailed Description
Referring to fig. 1 to 6, the invention relates to a voiceprint identification and fault diagnosis monitoring and alarming system for elevator abnormity, which is arranged in a tractor area 1 and a car 2 of an elevator, and a set of special voiceprint identification, verification and fault diagnosis monitoring and alarming devices for the elevator are arranged in an external fault diagnosis monitoring server 3 and are respectively arranged in the tractor area 1, the car 2 and the external fault diagnosis monitoring server 3, so that the states of the tractor and the car of the elevator can be remotely monitored and fault alarming is realized.
The traction machine area 1 is provided with a traction machine voiceprint acquisition device 1.1, a video monitoring device 1.2 and a traction machine data transmission module 1.3, the traction machine voiceprint acquisition device 1.1 is a microphone array, and the traction machine voiceprint acquisition device 1.1 is arranged in the traction machine area 1 and is used for acquiring voiceprint data of a traction machine working site in real time; the video monitoring device 1.2 is arranged in the tractor area 1 and used for transmitting a working image of the tractor to a monitoring person behind in real time, the video monitoring device 1.2 can be automatically started or remotely controlled by the monitoring person to perform auxiliary observation on the site so as to obtain more accurate site conditions, so that elevator maintenance personnel can find problems conveniently, the maintenance efficiency is improved, in addition, the video monitoring devices 1.2 can be in a standby state at ordinary times so as to save energy, meanwhile, the excessive energy of the monitoring person is avoided being occupied, and the video monitoring device is started again when the abnormal operation of the tractor is judged through voiceprint recognition; the traction machine voiceprint acquisition device 1.1 and the video monitoring device 1.2 are both connected with a traction machine data sending module 1.3, and the traction machine data sending module 1.3 is used for transmitting voiceprint data acquired by the traction machine voiceprint acquisition device 1.1 and image data acquired by the video monitoring device 1.2 to the fault diagnosis monitoring server 3 through the wireless network 4.
Be provided with car voiceprint collection system 2.1, car data transmission module 2.2, car data receiving module 2.3, voice prompt module 2.4 in the car 2, car voiceprint collection system 2.1 is a adapter, can gather the voiceprint data in the car 2 in real time, and the voiceprint data of gathering car voiceprint collection system 2.1 is transmitted to failure diagnosis monitoring server 3 through wireless network 4 through car data transmission module 2.2, car data receiving module 2.3 is arranged in receiving failure diagnosis monitoring server 3 and is sent out the signal from wireless network 4 to car data receiving module 2.3 links to each other with voice prompt module 2.4, and voice prompt module 2.4 is used for playing out the suggestion voice that failure diagnosis monitoring server 3 fed back.
The traction machine data sending module 1.3 and the car data sending module 2.2 send data to a data receiving module 3.1 of the fault diagnosis monitoring server 3 through a wireless network 4, wherein the wireless network 4 can be WiFi or 3G/4G, the data receiving module 3.1 is used for receiving voiceprint signals and video signals measured by the traction machine data sending module 1.3 and the car data sending module 2.2, the data receiving module 3.1 is connected with the voiceprint feature extraction module 3.3 through a filter 3.2, the voiceprint signals received by the data receiving module 3.1 are filtered and denoised by using an adaptive Least Mean Square (LMS) filter to obtain the voiceprint data after filtering and denoising, irrelevant background noises (such as human voice, voice sent out from a control cabinet, exhaust fan and the like) are filtered, and then the voiceprint feature extraction module 3.3 performs feature extraction on the denoised voice data, the voiceprint feature extraction module 3.3 a method for extracting the voice data features: the method comprises the steps of extracting a Mel cepstrum coefficient (MFCC) from voiceprint data, obtaining a cepstrum after short-time Fourier transform is carried out on the voiceprint data, and finally extracting voiceprint characteristic data from voiceprint signals received from a traction machine voiceprint acquisition device 1.1 and a car voiceprint acquisition device 2.1, wherein the voiceprint characteristic extraction module 3.3, the voiceprint database 3.4, a voice model database 3.5 and a characteristic verification module 3.6 are connected, the voiceprint database 3.4 stores voiceprint characteristic data models of normal operation and abnormal operation of a traction machine, voiceprint models of dog call, sound of an electric car entering an elevator and the like, and the voiceprint models of the electric car are adaptively modified according to a verification result of the characteristic verification module 3.6. The voice model library 3.5 stores specific words, sentences and the like of calling for help when people are trapped in the car, wherein the fault diagnosis of the traction machine is to perform mode recognition and verification on the voiceprint characteristics extracted by the voiceprint characteristic extraction module 3.3 and the voiceprint database 3.4 voiceprint model through the characteristic verification module 3.6 to obtain a traction machine condition verification result. The service condition diagnosis in the car is realized by the characteristic verification module 3.6, and the voiceprint characteristics extracted by the voiceprint characteristic extraction module 3.3, the voiceprint database 3.4 and the voice model database 3.5 are subjected to mode recognition verification to obtain a car condition verification result.
The characteristic checking module 3.6 is connected with the identification code generating module 3.7; the identification code generation module 3.7 is respectively connected with the alarm module 3.8 and the monitoring alarm intelligent display terminal 3.9, the identification code generation module 3.7 can generate tractor state identification codes for normal and abnormal conditions of the tractor during working according to the verification result obtained by the characteristic verification module 3.6, the elevator state identification codes are generated for abnormal entering conditions such as people trapping in the elevator, animal entering, electric vehicle entering and the like, the alarm module 3.8 is sent out corresponding alarm signals through different state identification codes, and alarm information in a period of time and parts with possible faults can be displayed on the monitoring alarm intelligent display terminal 3.9. The state identification code sends a signal to the car data receiving module 2.3 through the wireless sending module 3.10 and sends a designated voice prompt to the voice prompt module 2.4 in the car.
The invention relates to a voiceprint recognition and fault diagnosis monitoring and alarming system for elevator abnormity, which comprises the following steps:
the traction machine voiceprint acquisition device acquires voiceprint data of a traction machine working site in real time, the voiceprint data is subjected to preprocessing noise reduction and feature extraction, voiceprint feature data in the traction machine operation process are extracted from the voiceprint data, voiceprint feature parameter mode identification and verification are carried out by utilizing a preset voiceprint library, a verification result is obtained, a traction machine state identification code is generated according to the verification result, and fault diagnosis is completed. If the tractor state identification code shows that the tractor runs in a normal state, the normally running voiceprint template in the pre-established voiceprint library is adaptively modified; if the tractor state identification code shows that the tractor runs in an abnormal state, an alarm signal is sent to the alarm module, and the monitoring alarm intelligently displays the abnormal running state of the tractor and the position where the tractor possibly breaks down.
The car voiceprint acquisition device acquires voiceprint data in a car in real time, preprocesses the voiceprint signals, extracts features of the voiceprint signals, performs mode matching calculation on feature parameters of the voiceprint according to an existing voice model library and a voiceprint template, completes recognition and judgment, obtains a car state identification code, sends appointed voice prompt to a voice prompt module in the car through a wireless network, and simultaneously displays whether the car is closed or not by displaying abnormity in the car or the car on a monitoring alarm intelligent display terminal.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (3)
1. The utility model provides an unusual voiceprint discernment of elevator and failure diagnosis monitoring alarm system which characterized in that: the system is arranged in a traction machine area of an elevator, a set of special voiceprint acquisition device is arranged in a lift car, an external fault diagnosis monitoring server is provided with an elevator voiceprint identification check and fault diagnosis monitoring alarm device, the traction machine area is provided with a traction machine voiceprint acquisition device, a video monitoring device and a traction machine voiceprint data sending module, and the traction machine voiceprint acquisition device acquires voiceprint data of a traction machine working site in real time; the traction machine voiceprint data sending module is used for transmitting voiceprint data collected by the traction machine voiceprint collecting device and image data collected by the video monitoring device to the fault diagnosis monitoring server through a wireless network;
the car is provided with a car voiceprint acquisition device, a car data sending module, a car data receiving module and a voice prompt module, wherein the car voiceprint acquisition device acquires voiceprint data in the car in real time, the voiceprint data and image data acquired by the car voiceprint acquisition device are transmitted to the fault diagnosis monitoring server through the car data sending module through a wireless network, the car data receiving module is used for receiving signals sent by the fault diagnosis monitoring server from the wireless network, and the car data receiving module is connected with the voice prompt module;
the traction machine data sending module and the lift car data sending module send data to a data receiving module of the fault diagnosis monitoring server through a wireless network, the data receiving module is connected with a voiceprint feature extraction module through a filter, the filter is used for filtering and denoising, irrelevant background noise is filtered, voiceprint data after filtering and denoising are obtained, then the voiceprint feature extraction module performs feature extraction on the voiceprint data after denoising, the voiceprint feature extraction module is connected with a voiceprint database, a voice model library and a feature verification module, the feature verification module performs feature verification on voiceprint features extracted by the feature extraction module, data of the voiceprint database and the voice model library, the feature verification module is connected with an identification code generating module, and the identification code generating module is respectively connected with an alarm module and a monitoring alarm intelligent display terminal, and the identification code generation module generates a state identification code for the working condition of the tractor and the use condition in the car according to the characteristic verification result. And an alarm signal is sent to the alarm module through the tractor state identification code, and the abnormal and possibly failed parts of the running state of the tractor are displayed on the monitoring alarm intelligent display terminal. And sending an alarm signal to the alarm module through the car state identification code, and displaying the condition in the car on the monitoring alarm intelligent display terminal. And the car state identification code sends a signal to the car data receiving module through a wireless network through the wireless sending module, and sends a specified voice prompt to the voice prompt module in the car.
2. The system according to claim 1, wherein the system comprises: the tractor sound acquisition device is a microphone array.
3. The system according to claim 1, wherein the system comprises: the car sound collection device is a sound pickup and collects sound data in the car in real time.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112099393A (en) * | 2020-08-19 | 2020-12-18 | 张家口卷烟厂有限责任公司 | System and method for monitoring operation and judging abnormality of cigarette machine equipment |
CN112897262A (en) * | 2021-02-26 | 2021-06-04 | 浙江理工大学 | Elevator running state evaluation system and method based on sound feature extraction |
CN115352976A (en) * | 2022-08-22 | 2022-11-18 | 法立奥电梯(广东)有限公司 | Elevator fault detection and analysis method |
CN116490451B (en) * | 2020-12-01 | 2023-11-03 | 三菱电机楼宇解决方案株式会社 | Sound source direction estimating device, computer-readable recording medium, and sound source direction estimating method |
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2019
- 2019-12-23 CN CN201911343140.8A patent/CN110861988A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112099393A (en) * | 2020-08-19 | 2020-12-18 | 张家口卷烟厂有限责任公司 | System and method for monitoring operation and judging abnormality of cigarette machine equipment |
CN116490451B (en) * | 2020-12-01 | 2023-11-03 | 三菱电机楼宇解决方案株式会社 | Sound source direction estimating device, computer-readable recording medium, and sound source direction estimating method |
CN112897262A (en) * | 2021-02-26 | 2021-06-04 | 浙江理工大学 | Elevator running state evaluation system and method based on sound feature extraction |
CN115352976A (en) * | 2022-08-22 | 2022-11-18 | 法立奥电梯(广东)有限公司 | Elevator fault detection and analysis method |
CN115352976B (en) * | 2022-08-22 | 2023-10-13 | 法立奥电梯(广东)有限公司 | Elevator fault detection and analysis method |
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