CN105600638A - People stranding fault recognition device and method of elevator - Google Patents
People stranding fault recognition device and method of elevator Download PDFInfo
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- CN105600638A CN105600638A CN201510805379.8A CN201510805379A CN105600638A CN 105600638 A CN105600638 A CN 105600638A CN 201510805379 A CN201510805379 A CN 201510805379A CN 105600638 A CN105600638 A CN 105600638A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000007257 malfunction Effects 0.000 claims description 39
- 230000005236 sound signal Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 19
- 230000006698 induction Effects 0.000 claims description 13
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- 230000005540 biological transmission Effects 0.000 claims description 4
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Abstract
The invention provides a people stranding fault recognition device of an elevator. The device is mounted in a lift car of the elevator and used for collecting detection signals generated by a safety sensing device mounted on the elevator, generating elevator operation data information according to the collected detection signals and judging whether the elevator is broken down or not according to the elevator operation data information and the preset fault information; when it is judged that the elevator is broken down, the people stranding fault recognition device of the elevator detects whether people exist in the lift car of the elevator or not in an infrared detection mode, when it is detected that people exist in the lift car of the elevator, preset guide voice information is broadcasted, meanwhile sound in the lift car of the elevator is collected, corresponding sound electrical signals are generated, response voice information is generated according to the generated sound electrical signals, the response voice information is compared with prestored people stranding voice information, and when the response voice information corresponds to the prestored people stranding voice information through comparison, people stranding fault alarm information is generated and sent. The invention further provides a people stranding fault recognition method of the elevator.
Description
Technical field
The present invention relates to elevator safety monitoring technical field, particularly a kind of elevator malfunction Fault Identification device and method.
Background technology
At present, domestic third party's elevator real-time running data collection monitoring, fault alarm technical field, adopt the mode of infrared sensor of the human body to realize for the collection of car personal information conventionally. But, in elevator hoistways now a large amount of increase the wireless launchers such as WIFI base station, NodeB, the electromagnetic environment of elevator hoistways is become increasingly complex, human body infrared pick-up transducers can be subject to electromagnetic interference, causes image data to occur mistake. After data are made mistakes, gather the situation that warning device there will be the wrong report of elevator malfunction fault alarm, thereby affect passenger's ride experience.
Summary of the invention
In view of this, be necessary to provide a kind of elevator malfunction Fault Identification device that can accurately judge elevator malfunction.
Also be necessary to provide a kind of elevator malfunction fault recognition method that can accurately judge elevator malfunction.
A kind of elevator malfunction Fault Identification device, this elevator malfunction Fault Identification device is arranged in the car of elevator, elevator malfunction Fault Identification device is for gathering the detection signal of the safety sensing device generation being arranged on elevator, and produce elevator service data information according to the detection signal collecting, and judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, whether elevator malfunction Fault Identification device is by having people in infrared acquisition mode detecting elevator car, detecting while having people in lift car, play default guiding voice messaging, gather the sound in lift car simultaneously, and produce the corresponding sound signal of telecommunication, generate and reply voice messaging according to the sound signal of telecommunication producing, voice messaging and the oppressive voice messaging comparison prestoring will be replied, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is sent.
A kind of elevator malfunction fault recognition method, comprises the following steps:
Collection is arranged on the detection signal that the safety sensing device on elevator produces, and produces elevator service data information according to the detection signal collecting;
Judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, by whether having people in infrared acquisition mode detecting elevator car;
Detecting while having people in lift car, play default guiding voice messaging, gather the sound in lift car simultaneously, and produce the corresponding sound signal of telecommunication, generate and reply voice messaging according to the sound signal of telecommunication producing;
Will reply voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and by oppressive fault alarm information transmission.
In above-mentioned elevator malfunction Fault Identification device and method, gather the detection signal of the safety sensing device generation being arranged on elevator, and produce elevator service data information according to the detection signal collecting; Judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, by whether having people in infrared acquisition mode detecting elevator car; Detecting while having people in lift car, play default guiding voice messaging, gather the sound in lift car simultaneously, and produce the corresponding sound signal of telecommunication, generate and reply voice messaging according to the sound signal of telecommunication producing; Voice messaging and the oppressive voice messaging comparison prestoring will be replied, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is sent, while so comprehensively judging Lift out of order by the double base information that human body infrared detects, speech recognition superposes, in car, whether there is people, and then improve the accuracy of elevator malfunction fault alarm.
Brief description of the drawings
Fig. 1 is the application schematic diagram of the elevator malfunction Fault Identification device of a preferred embodiments.
Fig. 2 is the high-level schematic functional block diagram of elevator malfunction Fault Identification device in Fig. 1.
Fig. 3 is the flow chart of the elevator malfunction fault recognition method of a preferred embodiments.
In figure: elevator malfunction Fault Identification device 10, treating apparatus 11, elevator service data information generation unit 110, elevator operation judging unit 111, infrared signal detecting unit 112, control module 113, guiding voice messaging output unit 114, reply voice messaging generation unit 115, oppressive fault alarm information generation unit 116, infrared human body induction installation 12, sound is play and harvester 13, wireless communication module 14, car 20, elevator malfunction fault recognition method step S300～S303.
Detailed description of the invention
Referring to Fig. 1, elevator malfunction Fault Identification device 10 provided by the invention is arranged on the car interior 20 of elevator, the detection signal that elevator malfunction Fault Identification device 10 produces for gathering the safety sensing device that is arranged on elevator, and produce elevator service data information according to the detection signal collecting. wherein, the safety sensing device on elevator comprises floor sensors, door sensor and infrared sensor etc. elevator malfunction Fault Identification device 10 also judges according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, whether elevator malfunction Fault Identification device 10 is by having people in infrared acquisition mode detecting elevator car, detecting while having people in lift car, play default guiding voice messaging, gather the sound in lift car simultaneously, and produce the corresponding sound signal of telecommunication, generate and reply voice messaging according to the sound signal of telecommunication producing, voice messaging and the oppressive voice messaging comparison prestoring will be replied, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is sent. for example, oppressive fault alarm information is sent on corresponding elevator maintain and protection electronic monitoring platform, on the director's of elevator maintain and protection unit mobile phone.
Referring to Fig. 2, elevator malfunction Fault Identification device 10 comprises treating apparatus 11, infrared human body induction installation 12, sound is play and harvester 13 and wireless communication module 14, treating apparatus 11 and infrared human body induction installation 12, sound broadcasting and harvester 13 and wireless communication module 14 are electrically connected, treating apparatus 11 is for gathering the detection signal of the safety sensing device generation being arranged on elevator, and produce elevator service data information according to the detection signal collecting, and judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, controlling infrared human body induction installation 12 starts working, treating apparatus 11 is detecting that infrared human body induction installation 12 produces after infrared signal, control sound broadcasting and harvester and play default guiding voice messaging, treating apparatus 11 is also controlled sound broadcasting and harvester 13 gathers the sound in lift car 20, and generate and reply voice messaging according to the corresponding sound signal of telecommunication that sound is play and harvester 13 produces, treating apparatus 11 also will be replied voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is offered to wireless communication module 14, wherein, sound is play and harvester 13 comprises audio amplifier and miaow head, audio amplifier is play for signal corresponding to guiding voice messaging is converted to sound, miaow head is for being converted to the sound signal of telecommunication by sound, wireless communication module 14 sends to oppressive fault alarm information and the elevator maintain and protection terminal that warning reminding device establishes a communications link of exceeding the time limit, and wireless communication module 14 is 3g wireless communication module or 4g wireless communication module. in elevator malfunction Fault Identification device 10, power module can be set separately, think the power device power supply in elevator malfunction Fault Identification device 10, in other embodiments, each power device of elevator malfunction Fault Identification device 10 also can be electrically connected with the power supply of elevator certainly
Wherein, treating apparatus 11 can be for having moved the single-chip microcomputer of one group of computer applied algorithm, and wherein said computer applied algorithm has been used for the function of elevator malfunction Fault Identification. Treating apparatus 11, after the described computer applied algorithm of operation, produces following functional unit:
Elevator service data information generation unit 110, for gathering the detection signal of the safety sensing device generation being arranged on elevator, and produces elevator service data information according to the detection signal collecting;
Elevator operation judging unit 111, for judging according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, default the first control signal of output is to control module 113;
Infrared signal detecting unit 112, after the infrared signal producing detecting infrared human body induction installation 12 to detect the infrared ray of human-body emitting, the second control signal that output is preset is to control module 113 and guiding voice messaging output unit 114;
Control module 113, according to the first control signal, is controlled infrared human body induction installation 12 and is started working; Control module 113 plays according to the second control signal control sound and harvester 13 is started working;
Guiding voice messaging output unit 114, for according to the second control signal, offers the guiding voice messaging prestoring that sound is play and harvester 13 is play;
Reply voice messaging generation unit 115, for gathering the corresponding sound signal of telecommunication that sound is play and harvester 13 produces, and generate and reply voice messaging according to the sound signal of telecommunication collecting;
Oppressive fault alarm information generation unit 116, for replying voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is offered to wireless communication module 14.
Further, the present invention also provides a kind of elevator malfunction fault recognition method, please refer to Fig. 3, and this elevator malfunction fault recognition method comprises the following steps:
Step S300, gathers the detection signal of the safety sensing device generation being arranged on elevator, and produces elevator service data information according to the detection signal collecting. Wherein, the safety sensing device on elevator comprises floor sensors, door sensor and infrared sensor etc.
Step S301, judges according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, by whether having people in infrared acquisition mode detecting elevator car.
Step S302, detecting while having people in lift car, plays default guiding voice messaging, gathers the sound in lift car simultaneously, and produces the corresponding sound signal of telecommunication, generates and replys voice messaging according to the sound signal of telecommunication producing.
Step S303, will reply voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and by oppressive fault alarm information transmission. For example, establish a communications link by terminals such as 3g wireless communication module or 4g wireless communication module and elevator maintain and protection electronic monitoring platforms; The oppressive voice messaging of replying voice messaging and prestore is converted into speech waveform, realizes whether reply voice messaging corresponding with the oppressive voice messaging prestoring by waveform compare of analysis.
Claims (5)
1. an elevator malfunction Fault Identification device, it is characterized in that: this elevator malfunction Fault Identification device is arranged in the car of elevator, elevator malfunction Fault Identification device is for gathering the detection signal of the safety sensing device generation being arranged on elevator, and produce elevator service data information according to the detection signal collecting, and judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, whether elevator malfunction Fault Identification device is by having people in infrared acquisition mode detecting elevator car, detecting while having people in lift car, play default guiding voice messaging, gather the sound in lift car simultaneously, and produce the corresponding sound signal of telecommunication, generate and reply voice messaging according to the sound signal of telecommunication producing, voice messaging and the oppressive voice messaging comparison prestoring will be replied, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is sent.
2. elevator malfunction Fault Identification device as claimed in claim 1, it is characterized in that: elevator malfunction Fault Identification device comprises treating apparatus, infrared human body induction installation, sound broadcasting and harvester and wireless communication module, treating apparatus and infrared human body induction installation, sound broadcasting and harvester and wireless communication module are electrically connected, treating apparatus is for gathering the detection signal of the safety sensing device generation being arranged on elevator, and produce elevator service data information according to the detection signal collecting, and judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, controlling infrared human body induction installation starts working, treating apparatus is detecting that infrared human body induction installation produces after infrared signal, control sound broadcasting and harvester and play default guiding voice messaging, treating apparatus is also controlled sound broadcasting and harvester gathers the sound in lift car, and generate and reply voice messaging according to the corresponding sound signal of telecommunication that sound is play and harvester produces, treating apparatus also will be replied voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is offered to wireless communication module, wireless communication module sends to oppressive fault alarm information and the elevator maintain and protection terminal that warning reminding device establishes a communications link of exceeding the time limit.
3. elevator malfunction Fault Identification device as claimed in claim 2, it is characterized in that: treating apparatus comprises control module, elevator service data information generation unit, elevator operation judging unit, infrared signal detecting unit, guiding voice messaging output unit, replys voice messaging generation unit and oppressive fault alarm information generation unit
Elevator service data information generation unit is used for gathering the detection signal of the safety sensing device generation being arranged on elevator, and produces elevator service data information according to the detection signal collecting;
Elevator operation judging unit is for judge according to elevator service data information and default fault message whether elevator breaks down, and in the time judging elevator and break down, the first control signal that output is preset is to control module;
Infrared signal detecting unit is for after the infrared signal producing detecting infrared human body induction installation to detect the infrared ray of human-body emitting, and the second control signal that output is preset is to control module and guiding voice messaging output unit;
Control module, according to the first control signal, is controlled infrared human body induction installation and is started working; Control module plays according to the second control signal control sound and harvester is started working;
Guiding voice messaging output unit, for according to the second control signal, offers sound broadcasting and harvester broadcasting by the guiding voice messaging prestoring;
Reply voice messaging generation unit, for gathering the corresponding sound signal of telecommunication that sound is play and harvester produces, and generate and reply voice messaging according to the sound signal of telecommunication collecting;
Oppressive fault alarm information generation unit, for replying voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and oppressive fault alarm information is offered to wireless communication module.
4. an elevator malfunction fault recognition method, is characterized in that, comprises the following steps:
Collection is arranged on the detection signal that the safety sensing device on elevator produces, and produces elevator service data information according to the detection signal collecting;
Judge according to elevator service data information and default fault message whether elevator breaks down, in the time judging elevator and break down, by whether having people in infrared acquisition mode detecting elevator car;
Detecting while having people in lift car, play default guiding voice messaging, gather the sound in lift car simultaneously, and produce the corresponding sound signal of telecommunication, generate and reply voice messaging according to the sound signal of telecommunication producing;
Will reply voice messaging and the oppressive voice messaging comparison prestoring, reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing, produce oppressive fault alarm information, and by oppressive fault alarm information transmission.
5. elevator malfunction fault recognition method as claimed in claim 4, it is characterized in that: " will reply voice messaging and the oppressive voice messaging comparison prestoring; reply voice messaging when corresponding with the oppressive voice messaging prestoring comparing; produce oppressive fault alarm information; and by oppressive fault alarm information transmission " in, the oppressive voice messaging of replying voice messaging and prestore is converted into speech waveform, realizes whether reply voice messaging corresponding with the oppressive voice messaging prestoring by waveform compare of analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510805379.8A CN105600638B (en) | 2015-11-20 | 2015-11-20 | Elevator malfunction Fault Identification device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510805379.8A CN105600638B (en) | 2015-11-20 | 2015-11-20 | Elevator malfunction Fault Identification device and method |
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| CN105600638A true CN105600638A (en) | 2016-05-25 |
| CN105600638B CN105600638B (en) | 2018-03-27 |
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| CN201510805379.8A Active CN105600638B (en) | 2015-11-20 | 2015-11-20 | Elevator malfunction Fault Identification device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967018A (en) * | 2016-07-19 | 2016-09-28 | 宁夏电通物联网科技股份有限公司 | Elevator accident trapping alarm system and method |
| CN107738966A (en) * | 2017-12-04 | 2018-02-27 | 北京北安时代电梯安装工程有限公司 | A kind of lift car intellectual monitoring autoalarm and method |
| CN112693986A (en) * | 2020-12-14 | 2021-04-23 | 西人马联合测控（泉州）科技有限公司 | Automatic alarming method, device and equipment for elevator people trapping and computer storage medium |
| CN112811276A (en) * | 2021-01-28 | 2021-05-18 | 广州特种机电设备检测研究院 | Data-driven elevator fault diagnosis simulation method, system and storage medium |
| CN114955761A (en) * | 2022-06-18 | 2022-08-30 | 宁波昊鸿电子有限公司 | Elevator trapped-state detection method and system, storage medium and intelligent terminal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659005A (en) * | 2012-05-12 | 2012-09-12 | 博朗电梯(漳州)有限公司 | Elevator intelligent remote alarm system |
| CN102826419A (en) * | 2012-07-23 | 2012-12-19 | 山东博源瑞通智能科技有限公司 | Intelligent intercom system of things internet of lift |
| CN103130063A (en) * | 2011-11-29 | 2013-06-05 | 深圳市一兆科技发展有限公司 | Method and system for emergency security and protection monitoring |
| JP2013241248A (en) * | 2012-05-21 | 2013-12-05 | Hitachi Building Systems Co Ltd | Monitoring system |
| CN103991768A (en) * | 2014-05-28 | 2014-08-20 | 上海新时达电气股份有限公司 | Elevator Internet of Things voice calming device and method |
| CN104803251A (en) * | 2015-05-08 | 2015-07-29 | 上海新时达电气股份有限公司 | Method and system for detecting person trapping in elevator |
| CN104925614A (en) * | 2015-06-26 | 2015-09-23 | 广州日滨科技发展有限公司 | Elevator passenger trapping failure monitoring system |
-
2015
- 2015-11-20 CN CN201510805379.8A patent/CN105600638B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130063A (en) * | 2011-11-29 | 2013-06-05 | 深圳市一兆科技发展有限公司 | Method and system for emergency security and protection monitoring |
| CN102659005A (en) * | 2012-05-12 | 2012-09-12 | 博朗电梯(漳州)有限公司 | Elevator intelligent remote alarm system |
| JP2013241248A (en) * | 2012-05-21 | 2013-12-05 | Hitachi Building Systems Co Ltd | Monitoring system |
| CN102826419A (en) * | 2012-07-23 | 2012-12-19 | 山东博源瑞通智能科技有限公司 | Intelligent intercom system of things internet of lift |
| CN103991768A (en) * | 2014-05-28 | 2014-08-20 | 上海新时达电气股份有限公司 | Elevator Internet of Things voice calming device and method |
| CN104803251A (en) * | 2015-05-08 | 2015-07-29 | 上海新时达电气股份有限公司 | Method and system for detecting person trapping in elevator |
| CN104925614A (en) * | 2015-06-26 | 2015-09-23 | 广州日滨科技发展有限公司 | Elevator passenger trapping failure monitoring system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967018A (en) * | 2016-07-19 | 2016-09-28 | 宁夏电通物联网科技股份有限公司 | Elevator accident trapping alarm system and method |
| CN107738966A (en) * | 2017-12-04 | 2018-02-27 | 北京北安时代电梯安装工程有限公司 | A kind of lift car intellectual monitoring autoalarm and method |
| CN107738966B (en) * | 2017-12-04 | 2023-08-25 | 北京北安时代创新设备安装工程有限公司 | Intelligent monitoring automatic alarm device and method for elevator car |
| CN112693986A (en) * | 2020-12-14 | 2021-04-23 | 西人马联合测控（泉州）科技有限公司 | Automatic alarming method, device and equipment for elevator people trapping and computer storage medium |
| CN112811276A (en) * | 2021-01-28 | 2021-05-18 | 广州特种机电设备检测研究院 | Data-driven elevator fault diagnosis simulation method, system and storage medium |
| CN114955761A (en) * | 2022-06-18 | 2022-08-30 | 宁波昊鸿电子有限公司 | Elevator trapped-state detection method and system, storage medium and intelligent terminal |
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| CN105600638B (en) | 2018-03-27 |
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