CN108529376A - A kind of lift car intelligence human body sensing judgment method - Google Patents
A kind of lift car intelligence human body sensing judgment method Download PDFInfo
- Publication number
- CN108529376A CN108529376A CN201810619728.0A CN201810619728A CN108529376A CN 108529376 A CN108529376 A CN 108529376A CN 201810619728 A CN201810619728 A CN 201810619728A CN 108529376 A CN108529376 A CN 108529376A
- Authority
- CN
- China
- Prior art keywords
- elevator
- car
- camera
- human body
- body sensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
Landscapes
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The present invention discloses a kind of lift car intelligence human body sensing judgment method, including step, and when elevator operation occurs abnormal, electric safety device starts, and elevator safety loop disconnects, and elevator is in failure halted state；Start Intellisense device；Judge car in whether presence of people；When presence of people, start elevator malfunction rescue system.Advantageous effect is, the advantages of making full use of infrared sensor and microwave remote sensor, it realizes and has complementary advantages, the problem of avoiding the wrong report occurred under certain extreme case or can not alarming, ensure the accuracy of alarm by way of multilayer confirmation especially by judging again for camera, efficiently, in accurate judgement car whether someone, for instruct elevator malfunction rescue and autonomous intelligence experiment strong reference is provided.This method can be adapted for all elevators of existing market, versatile, it is only necessary to which wiring is powered from emergency power supply, is not had any influence to original device, is conveniently carried out the work.
Description
Technical field
The invention belongs to elevator safeties to monitor field；More particularly to a kind of judgement of lift car intelligence human body sensing
Method.
Background technology
Elevator have become urban civilization window and business card and the daily production and living of common people in indispensable hang down
The straight vehicles play irreplaceable important function in socio-economic development, are that one kind being directly related to people's life
The special equipment of property safety.Currently, elevator faults frequently occur, and elevator malfunction rescue becomes emphasis of people's attention.Quality inspection
Ad hoc office of general bureau is about printing and distributing《Elevator emergency disposition platform data collects rule（It is tentative）》With general office of State Administration of Quality Supervision, Inspection and Quarantine about adding
It is fast that the notice of elevator emergency disposition service platform construction is promoted to be required to accelerate the construction of elevator emergency disposition service platform.How
It is the difficult point for solving current oppressive rescue to realize that effectively alarm avoids reporting by mistake, failing to report after elevator malfunction.Elevator now
Alarm is independently made a phone call or is triggered emergency alarm device in lift car often by trapped person and realizes after oppressive, this
It often will appear in phone no signal or car and rescue problem not in time caused by deliverance apparatus failure, installation is taken the photograph for having ready conditions
As head occasion also mainly by people directly to observe in car whether someone, this to rescue and supervision bring it is very big not
Just.
The modification of GB7588-2003 number ones singly explicitly points out, and for using the case where driving host brake, need to have system
Power self-monitoring function.How to confirm before the test in car whether someone, avoid elevator from causing the fear of passenger from master trip
It is the emphasis of current research.
It may be said that whether the research of someone is a difficult point to detection lift car, have at present typically about detection elevator
The patent of someone in car：
《Passenger sensory device in lift car》（The patent No.：201320087438.9）, which disclose a kind of lift cars
Interior passenger sensory device passes through the infrared sensor switch combination switch gate letter that signal, Elevator operation control system obtain in place
Number, using the logical combination result between these signals determine in car whether someone, but there are also deficiencies：
1. infrared sensor is easy to be interfered by various heat sources, light source；
2. passive infrared penetrates force difference, the infra-red radiation of human body is easily blocked, and is not easy reception of being popped one's head in；
3. when environment temperature and close human body temperature, detection and sensitivity are decreased obviously, and cause failure in short-term sometimes；
4. can not directly judge that passenger is stranded position when rescue.
《Lift car personnel detecting system and method》（Application number：201410010569.6）, that application discloses one kind
Lift car personnel's detecting system, by the picture frame and hair of the original live video acquired to camera in lift car
Background image when raw oppressive compare confirm in car whether someone, without increase additional detection device can accurate judgement,
But there are also deficiencies：
1. intelligent algorithm used in the patent is collection in worksite video image frame subtract the picture frame that is acquired in original car with
The problem of being confirmed whether presence of people, being susceptible to wrong report when detecting with humanoid similar object in this way；
2. the intelligent video camera head cost is higher.
Invention content
The technical problem to be solved by the present invention is to, overcome prior art defect, provide it is a kind of versatile, can be accurate
Confirm that whether there is or not the lift car intelligence human body sensing judgment methods of personnel for lift car.
The technical solution adopted in the present invention is：A kind of lift car intelligence human body sensing judgment method, including step
A. when elevator operation occurs abnormal, electric safety device starts, and elevator safety loop disconnects, and elevator is in failure and stops shape
State；
B. start Intellisense device；
C. judge car in whether presence of people；
D. when presence of people, start elevator malfunction rescue system.
The step B, Intellisense device include infrared sensor, microwave remote sensor and camera.
At least one of both described infrared sensor and microwave remote sensor act, then judge someone in car, this
Shi Buxu judges by camera, starts elevator malfunction rescue system immediately.
Both the infrared sensor and microwave remote sensor do not act, connect the mobile detection function of camera,
Judge in car whether someone.
The camera action alarm then starts rapidly oppressive rescue system；The camera is failure to actuate, then judges car
It is interior nobody.
A kind of lift car intelligence human body sensing judgment method, including step
A. elevator control system carries out logic judgment and confirms within half an hour elevator without any outgoing call and interior select function；
B. Intellisense device is connected；
C. judge car in whether presence of people；At least one of both infrared sensor and microwave remote sensor act, then
Judge someone in car；If the two is not operating, connect the mobile detection function of camera, judge in car whether someone；
When D. judging nobody, autonomous intelligence experiment is carried out to elevator.The experiment of elevator autonomous intelligence includes brake force from monitoring test.
The beneficial effects of the invention are as follows：The advantages of making full use of infrared sensor and microwave remote sensor realizes mutual supplement with each other's advantages,
The problem of avoiding the wrong report occurred under certain extreme case or can not alarming is led to especially by judging again for camera
The mode for crossing multilayer confirmation, ensure that the accuracy of alarm, efficiently, in accurate judgement car whether someone, to instruct elevator tired
People rescues and autonomous intelligence experiment provides strong reference.This method can be adapted for all elevators of existing market, versatility
By force, it is only necessary to which wiring is powered from emergency power supply, is not had any influence to original device, is conveniently carried out the work.The device is in elevator
It does not work under normal operation, reduces the service wear of equipment.
Description of the drawings
Fig. 1 is Intellisense device work flow diagram；
Fig. 2 is Intellisense apparatus structure composition figure；
Fig. 3 is Intellisense device work-based logic judgement figure.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description：
The oppressive autonomous rescue of lift car is the emphasis and difficult point of current research, how accurately to be sentenced in the oppressive generation of elevator faults
Not and the autonomous alarm of progress is a problem.In addition, elevator autonomous intelligence is tested（If brake force is from monitoring test）It is preceding how true
Nobody is also problem in the urgent need to address in guarantor's car.It would therefore be highly desirable to which studying one kind can be in safe ready identification car
The Intellisense method of no someone, it is convenient to be used when oppressive failure occurs and autonomous intelligence is tested.
As shown in Figure 1 to Figure 3, the lift car intelligence human body sensing device that the method for the present invention is related to is as independent outer
Connection device is installed on car inner top sedan-chair wall, is on the one hand exported vision signal and is connected to remote monitoring platform, on the other hand defeated
Go out relay signal and is connected to elevator control system.Output vision signal can be used for making when elevator malfunction rescue observer position
With.Output relay signal is connected to choosing in car/outgoing call relay input terminal, and the judgement conclusion of device detection is exported, is accused
Know whether elevator interior choosing/outgoing call occurs at this time, i.e., in car whether someone, if elevator intelligent can be carried out from master trip.
Lift car intelligence human body sensing judgment method includes step
A. when elevator operation occurs abnormal, electric safety device starts, and elevator safety loop disconnects, and elevator is in failure and stops shape
State；
B. start Intellisense device；Intellisense device includes infrared sensor, microwave remote sensor and camera；First by red
Whether presence of people judges if at least one of the two acts in outer sensor and microwave sensor sensing to car
Someone in car is not required to judge by camera at this time, starts elevator malfunction rescue system immediately.
If both infrared sensor and microwave remote sensor do not act, the mobile detection work(of camera is connected at this time
Can, the camera action alarm then starts rapidly oppressive rescue system；The camera is failure to actuate, then judges nothing in car
People.
Elevator autonomous intelligence is tested（If brake force is from monitoring test）Generally carried out in the elevator traffic flow less time,
A. elevator control system first carries out logic judgment and confirms within half an hour elevator without any outgoing call and interior select function；
B. it is to ensure in car nobody, connects Intellisense device；
C. judge car in whether presence of people；It is carried out first by the action state of infrared sensor and microwave remote sensor true
Recognize, if at least one of the two acts, judge someone in car, is not required to judge to start electricity using camera at this time
The oppressive rescue system of ladder；If the two is not operating, the mobile detection function of camera is connected at this time；If camera action alarm
Experiment terminates, and above-mentioned flow is repeated after alarm signal releasing and judges that can experiment carry out.
When D. judging nobody, autonomous intelligence experiment is carried out to elevator；Autonomous intelligence experiment is comprising brake force from monitoring test
Deng.
Lift car intelligence human perception device is respectively connected to safety return circuit and control system outgoing call/interior and selects input terminal
Relay, power supply are provided by car top power supply.When device as rescue system in use, device detects that oppressive signal is exported to remote
Range monitoring platform, it is unrelated with elevator device.
Fig. 1 is Intellisense device work flow diagram
Under normal conditions, when elevator, which is run, occurs abnormal, the safety return circuit of elevator will disconnect, and at this moment Intellisense device starts
Enable, the logical combination responded respectively by infrared inductor, microwave sensor and camera judge in car whether someone, must
It can quickly start rescue system when wanting to be rescued.
It is tested in elevator autonomous intelligence（If brake force is from monitoring test）Before, elevator control system carries out patrolling for itself first
It collects and judges, elevator does not occur outgoing call and interior choosing instruction within half an hour can carry out next step action.Intellisense device is at this time
Can be used as ancillary equipment confirm car in whether someone, responded respectively in conjunction with infrared inductor, microwave sensor and camera
Logical combination judge in car whether someone, the fear for avoiding erroneous judgement that elevator operation is caused to cause passenger.
There is nobody function in use, signal transmission will be detected extremely in detection car before device is tested as autonomous intelligence
Input terminal relay is selected in elevator control system outgoing call/interior, inform in control system car whether someone；The signal is switching value,
Trigger action is only played, after detecting blackout, elevator control system also restores normal.
Fig. 2 is Intellisense apparatus structure composition figure
The present apparatus is the combination for having infrared inductor, microwave sensor and camera function.Infrared inductor can be to object
Presence reacted, as long as in inductor scanning range in, it can all be reacted.Microwave sensor can be to the movement of object
It is reacted, reaction speed is fast.The camera is intelligent security guard household camera common on the market, has mobile detection work(
Can, start warning function when detecting that monitoring picture changes.Under normal circumstances, mobile detection function does not enable, when
The function is enabled when reaching certain trigger conditions to be judged.The present apparatus combines the function of three kinds of elements, makes wherein different members
Part is operated under different trigger conditions, to achieve the purpose that avoid the wasting of resources and extend component life.
Fig. 3 is Intellisense device work-based logic judgement figure
Under normal conditions, Intellisense device is in off-line state, when reaching certain trigger conditions, according to setting operating mode work
Make.Trigger condition is：When elevator failure is oppressive, safety return circuit disconnects automatically, and device turn on automatically carries out oppressive at this time
Logic judgment；When elevator proceeds by autonomous intelligence experiment, elevator is judged by inherent logic in fixed time period first
Whether there is or not outgoing call/interior choosing responses, will determine that result feeds back to elevator control system.If control system judges someone in car, intelligence
It can temporarily stop to carry out from master trip；If judging result nobody, control system relay signal triggering by way of make intelligence
Energy sensing device is connected, and logic judgment is carried out.
When elevator operation exception, electric safety device disconnects, and device is connected at this time.First by infrared inductor and microwave
The combination of inductor tentatively judge in car whether someone.If at least one in two elements acts, judgement knot
There is oppressive situation by for car.It is not required to be judged to start alarm rescue system again by camera at this time.If two members
Part does not occur running-active status, and the mobile detection function that should connect camera at this time carries out last judgement.If camera does not go out
Existing alarm condition judges in car nobody at this time.If camera acts, judges someone in car, alarm should be started immediately and rescued
Help system.
When elevator will carry out autonomous intelligence experiment, for example, brake force from monitoring test when.First, elevator passes through inherent logic
Function judges that acting and give trigger signal with interior choosing without any outgoing call within half an hour makes Intellisense device connect.At this point,
Intellisense device as ancillary equipment judge in car whether someone.When in the combination of infrared inductor and microwave sensor extremely
It is few to be acted there are one element, then judge conclusion for someone in car, it is worth noting that, for using infrared sensor and
The combination of microwave remote sensor parallel connection, be in order to reduce it is certain it is extreme in the case of occur any sensor failure the case where send out
It is raw.Be not required to be judged to stop brake force from monitoring test by camera again at this time, after alarm signal elimination again into
The above-mentioned flow of row judges.If two elements do not occur running-active status, the mobile detection function that should connect camera at this time carries out
Last judgement, if there is not alarm condition in camera, at this time judge car in nobody, experiment can proceed with.If camera
Action, then judge someone in car, should stop testing immediately, and re-starting above-mentioned flow after alarm signal elimination judges.Three
The risk for greatly reducing device hardware failure is used in combination in person, also saves the service wear of equipment.
The method of the present invention can be realized Lift out of order is oppressive and autonomous intelligence experiment（As brake force monitors examination certainly
It tests）Shi Jinhang autonomous intelligences judge, avoid the detection wrong report because of caused by component failure, fail to report problem, for elevator malfunction
It rescues and is of great significance from monitoring test.
Claims (7)
1. a kind of lift car intelligence human body sensing judgment method, which is characterized in that including step
A. when elevator operation occurs abnormal, electric safety device starts, and elevator safety loop disconnects, and elevator is in failure and stops shape
State；
B. start Intellisense device；
C. judge car in whether presence of people；
D. when presence of people, start elevator malfunction rescue system.
2. lift car intelligence human body sensing judgment method according to claim 1, which is characterized in that step B, it is described
Intellisense device includes infrared sensor, microwave remote sensor and camera.
3. lift car intelligence human body sensing judgment method according to claim 2, which is characterized in that the infrared biography
At least one of both sensor and microwave remote sensor act, then judge someone in car, are not required to sentence by camera at this time
It is disconnected, start elevator malfunction rescue system immediately.
4. lift car intelligence human body sensing judgment method according to claim 2, which is characterized in that the infrared biography
Both sensor and microwave remote sensor do not act, connect the mobile detection function of camera, judge in car whether someone.
5. lift car intelligence human body sensing judgment method according to claim 4, which is characterized in that the camera
Action alarm then starts rapidly oppressive rescue system；The camera is failure to actuate, then judges in car nobody.
6. a kind of lift car intelligence human body sensing judgment method, which is characterized in that including step
A. elevator control system carries out logic judgment and confirms within half an hour elevator without any outgoing call and interior select function；
B. Intellisense device is connected；
C. judge car in whether presence of people；At least one of both infrared sensor and microwave remote sensor act, then
Judge someone in car；If the two is not operating, connect the mobile detection function of camera, judge in car whether someone；
When D. judging nobody, autonomous intelligence experiment is carried out to elevator.
7. lift car intelligence human body sensing judgment method according to claim 6, which is characterized in that electric in step D
The experiment of terraced autonomous intelligence, including brake force is from monitoring test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619728.0A CN108529376A (en) | 2018-06-13 | 2018-06-13 | A kind of lift car intelligence human body sensing judgment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619728.0A CN108529376A (en) | 2018-06-13 | 2018-06-13 | A kind of lift car intelligence human body sensing judgment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108529376A true CN108529376A (en) | 2018-09-14 |
Family
ID=63470056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810619728.0A Withdrawn CN108529376A (en) | 2018-06-13 | 2018-06-13 | A kind of lift car intelligence human body sensing judgment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108529376A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292570A (en) * | 2018-10-16 | 2019-02-01 | 宁波欣达（集团）有限公司 | A kind of system and method for elevator technology of Internet of things detection elevator malfunction |
| CN109436979A (en) * | 2018-12-26 | 2019-03-08 | 广东阿迪志科技有限公司 | A kind of elevator safety monitoring system and monitoring method |
| CN109693984A (en) * | 2019-02-15 | 2019-04-30 | 芜湖职业技术学院 | A kind of elevator monitoring platform based on mobile communication platform |
| CN111071890A (en) * | 2019-12-27 | 2020-04-28 | 北京恒远国创科技有限公司 | Car elevator data collection station |
| CN112239120A (en) * | 2020-10-27 | 2021-01-19 | 浙江清华长三角研究院 | Elevator automatic sterilization and disinfection system and method based on multi-mode perception control |
| 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 |
| CN114436086A (en) * | 2022-01-24 | 2022-05-06 | 浙江新再灵科技股份有限公司 | Dim identification and alarm method and system for elevator car |
| CN114608858A (en) * | 2022-05-12 | 2022-06-10 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Elevator door strength inspection equipment |
| CN114920096A (en) * | 2022-05-14 | 2022-08-19 | 云知声智能科技股份有限公司 | Elevator control method and device based on intelligent large screen, electronic equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08277080A (en) * | 1995-04-05 | 1996-10-22 | Hitachi Building Syst Eng & Service Co Ltd | In-car image recording device of elevator |
| JPH11209016A (en) * | 1998-01-19 | 1999-08-03 | Hitachi Building Systems Co Ltd | Crime prevention operating device for elevator |
| CN1759613A (en) * | 2003-03-20 | 2006-04-12 | 因温特奥股份公司 | Monitoring a lift area by means of a 3d sensor |
| CN102145840A (en) * | 2011-03-28 | 2011-08-10 | 宁波市鄞州欧菱电梯配件有限公司 | Electric lift control reminding and fault self-diagnosing method and system |
| CN102556797A (en) * | 2012-02-24 | 2012-07-11 | 苏州通润驱动设备股份有限公司 | Automatic detection and control method for braking force of elevator |
| CN103237194A (en) * | 2013-04-02 | 2013-08-07 | 杭州慧为科技有限公司 | Audio/video alarm monitoring system and monitoring method thereof |
| CN103248873A (en) * | 2013-05-02 | 2013-08-14 | 大连海创高科信息技术有限公司 | Intelligent elevator and operation method |
-
2018
- 2018-06-13 CN CN201810619728.0A patent/CN108529376A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08277080A (en) * | 1995-04-05 | 1996-10-22 | Hitachi Building Syst Eng & Service Co Ltd | In-car image recording device of elevator |
| JPH11209016A (en) * | 1998-01-19 | 1999-08-03 | Hitachi Building Systems Co Ltd | Crime prevention operating device for elevator |
| CN1759613A (en) * | 2003-03-20 | 2006-04-12 | 因温特奥股份公司 | Monitoring a lift area by means of a 3d sensor |
| CN102145840A (en) * | 2011-03-28 | 2011-08-10 | 宁波市鄞州欧菱电梯配件有限公司 | Electric lift control reminding and fault self-diagnosing method and system |
| CN102556797A (en) * | 2012-02-24 | 2012-07-11 | 苏州通润驱动设备股份有限公司 | Automatic detection and control method for braking force of elevator |
| CN103237194A (en) * | 2013-04-02 | 2013-08-07 | 杭州慧为科技有限公司 | Audio/video alarm monitoring system and monitoring method thereof |
| CN103248873A (en) * | 2013-05-02 | 2013-08-14 | 大连海创高科信息技术有限公司 | Intelligent elevator and operation method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292570A (en) * | 2018-10-16 | 2019-02-01 | 宁波欣达（集团）有限公司 | A kind of system and method for elevator technology of Internet of things detection elevator malfunction |
| CN109436979A (en) * | 2018-12-26 | 2019-03-08 | 广东阿迪志科技有限公司 | A kind of elevator safety monitoring system and monitoring method |
| CN109693984A (en) * | 2019-02-15 | 2019-04-30 | 芜湖职业技术学院 | A kind of elevator monitoring platform based on mobile communication platform |
| CN111071890A (en) * | 2019-12-27 | 2020-04-28 | 北京恒远国创科技有限公司 | Car elevator data collection station |
| CN112239120A (en) * | 2020-10-27 | 2021-01-19 | 浙江清华长三角研究院 | Elevator automatic sterilization and disinfection system and method based on multi-mode perception control |
| 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 |
| CN114436086A (en) * | 2022-01-24 | 2022-05-06 | 浙江新再灵科技股份有限公司 | Dim identification and alarm method and system for elevator car |
| CN114436086B (en) * | 2022-01-24 | 2023-09-19 | 浙江新再灵科技股份有限公司 | Method and system for identifying and alarming darkness of elevator car |
| CN114608858A (en) * | 2022-05-12 | 2022-06-10 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Elevator door strength inspection equipment |
| CN114920096A (en) * | 2022-05-14 | 2022-08-19 | 云知声智能科技股份有限公司 | Elevator control method and device based on intelligent large screen, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108529376A (en) | A kind of lift car intelligence human body sensing judgment method | |
| FI117010B (en) | Elevator remote control | |
| CN110898351A (en) | Electrical cabinet fireproof system and method | |
| CN104803251A (en) | Method and system for detecting person trapping in elevator | |
| CN105668374B (en) | A kind of elevator faults security escape system | |
| AU2016376176B2 (en) | Monitoring device for a passenger transport system, testing method and passenger transport system | |
| CN110155845B (en) | Elevator remote control system capable of monitoring faults and disasters simultaneously | |
| TWI411978B (en) | System and method for elevator security | |
| CN108028791B (en) | Hoistway communication system | |
| CN102826419A (en) | Intelligent intercom system of things internet of lift | |
| CN104310147A (en) | Method and circuit for protecting electrical door lock of elevator again | |
| CN104692205A (en) | Elevator fault detecting system and elevator fault detecting method based on zigbee network | |
| CN105565100A (en) | Elevator safety real-time monitoring control system and control method thereof | |
| CN103523642A (en) | Elevator door lock quick shorting system and method | |
| CN105116880A (en) | Stereo garage remote fault processing system | |
| CN105819294A (en) | Elevator running monitoring system and method based on transparent display screen | |
| CN108946373A (en) | A kind of elevator safety control system, method and elevator | |
| CN112408140A (en) | System and method applied to elevator control reminding and fault diagnosis | |
| CN205045638U (en) | Automatic alarm for elevator fault | |
| CN202704748U (en) | Remote alarm device for trapping of elevator | |
| CN205472076U (en) | Elevator trouble stoppage in transit autoalarm | |
| CN204348016U (en) | A kind of train pyrotechnics warning device | |
| CN208120487U (en) | A kind of elevator rescue system | |
| CN108190678B (en) | Elevator fault judging method and intelligent rescue device | |
| CN107128765B (en) | Fault-tolerant control method and system for elevator in trapped state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 300192 Tianjin Nankai Space Road 32 Applicant after: Tianjin Institute of Special Equipment Supervision and Inspection Technology (Tianjin Special Equipment Accident Emergency Investigation and Treatment Center) Address before: 300192 Tianjin Nankai Space Road 32 Applicant before: Tianjin Inst of Special Appliances Supervision and Check Tech |
|
| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180914 |
|
| WW01 | Invention patent application withdrawn after publication |