CN104986638A - Warning terminal of internet of things for elevator maintenance and fault inspection - Google Patents
Warning terminal of internet of things for elevator maintenance and fault inspection Download PDFInfo
- Publication number
- CN104986638A CN104986638A CN201510320795.9A CN201510320795A CN104986638A CN 104986638 A CN104986638 A CN 104986638A CN 201510320795 A CN201510320795 A CN 201510320795A CN 104986638 A CN104986638 A CN 104986638A
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- elevator
- information
- protection
- maintain
- module
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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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
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
Abstract
The invention discloses a warning terminal of an internet of things for elevator maintenance and fault inspection. The warning terminal comprises a data processing module, a communication module and a display module, wherein an elevator safety inspection information supervising unit of the data processing module generates static interface color data information according to a next inspection date in prestored elevator safety inspection information, and a preset inspection warning date, and the data information of an elevator safety inspection information display interface is generated according to the prestored elevator safety inspection information and the static interface color data information, so that the display module can display an elevator safety inspection information static interface corresponding to a color. The elevator safety inspection information supervising unit of the data processing module generates rolling character and color data information according to a last elevator maintaining date in preserved elevator maintaining information, a next elevator maintaining date in preserved elevator maintaining information, and a preset maintenance warning date, and elevator maintaining caption data information is generated according to the prestored elevator maintaining information and the generated rolling character and color data information, so that the display module displays rolling characters with a corresponding background color.
Description
Technical field
The present invention relates to elevator maintenance technical field, particularly a kind of elevator maintain and protection inspection fault alarm internet-of-things terminal.
Background technology
Along with the development of society, improving constantly of living standards of the people, increasing skyscraper is built up, and elevator is the important component of skyscraper, and people are upper and lower in skyscraper by elevator.
Therefore ensure that elevator safety operation is the only resource ensureing elevator passenger life security, generally elevator safety operation is ensured in the following ways: the first is after elevator applying unit initiatively proposes inspection request to province or city-level special equipment inspection institute every year in prior art, by to economize or city-level special equipment inspection institute Visiting Inspector tests to scene, and after the assay was approved, to economize or the city-level special equipment inspection elevator applying unit granting papery elevator safety corresponding with elevator of doing is up to the standards nameplate; The second is, lift facility maintaining unit arranges check implement in administrative elevator, utilizes check implement to gather the operating data of elevator, and the operating data detected is sent to remote server, remote server according to Operational Data Analysis elevator running condition, to realize the security monitoring of elevator; The third is, according to national lift facility laws and regulations on the management, lift facility maintaining unit regularly sends repair and maintenance personnel to maintain to scene administrative elevator.
Above-mentioned elevator safety operation ensures that mode is all carried out with active mode, that is, specify regularly initiatively Inspection and maintenance by elevator applying unit, elevator maintenance unit according to national security inspection.But when elevator applying unit, elevator maintenance unit initiative are deteriorated, for elevator ride person, inherently safe guarantee when it takes elevator will reduce: such as, the negligence of management of elevator applying unit causes elevator to exceed the time limit non-annual test, cause lift facility to there is potential safety hazard, cause the life security of elevator ride person can not be guaranteed; Elevator maintenance unit can not supervise the repair and maintenance work of repair and maintenance personnel, repair and maintenance personnel may because of subjective reason, arrive administrative elevator locus not in accordance with the time of defined in lift facility daily attention specification and repair and maintenance is carried out to elevator, and then causing lift facility to there is potential safety hazard, the life security of elevator ride person also can not be guaranteed.
Summary of the invention
In view of this, be necessary to provide a kind of elevator ride person of guarantee to understand elevator maintain and protection test status in time and elevator applying unit, elevator maintenance unit can be supervised to implement the elevator maintain and protection inspection fault alarm internet-of-things terminal of inspection repair and maintenance work.
A kind of elevator maintain and protection inspection fault alarm internet-of-things terminal, this elevator maintain and protection inspection fault alarm internet-of-things terminal is arranged in lift car, think that elevator ride person provides elevator maintain and protection test status information in time, this elevator maintain and protection inspection fault alarm internet-of-things terminal comprises data processing module, communication module, display module, data processing module is connected with communication module and display module, communication module is used for supervising platform of internet of things with elevator safety and establishes a communications link, and realize the data exchange that data processing module and elevator safety supervise platform of internet of things, display module is for showing the data message of data processing module conveying.Data processing module comprises elevator safety checking information Supervisory Unit, elevator maintain and protection information monitoring unit, elevator safety checking information Supervisory Unit is used for the static interfaces color data information according to producing the next date of survey in the elevator safety checking information prestored and default inspection warning date for representing warning level, wherein elevator safety checking information comprises lift facility code, use numbering, repair and maintenance unit, repair and maintenance phone, Inspection Unit, inspector, date of survey next time, elevator safety checking information Supervisory Unit is used for generating elevator safety checking information display interface data message according to the static interfaces color data information of the elevator safety checking information prestored and generation, and elevator safety checking information display interface data message is flowed to display module, display module is according to the elevator safety checking information static interfaces of elevator safety checking information display interface data message display corresponding color.Elevator maintain and protection information monitoring unit is used for according to elevator maintain and protection date last time in the elevator maintain and protection information prestored, repair and maintenance date and default repair and maintenance warning date produce the rolling text color data message for representing warning level next time, wherein elevator maintain and protection information comprises the last elevator maintain and protection date, the repair and maintenance date next time, repair and maintenance personal information, elevator maintain and protection information monitoring unit also generates elevator maintain and protection subtitle data information for the rolling text color data message according to the elevator maintain and protection information prestored and generation, and elevator maintain and protection subtitle data information is flowed to display module, display module has the rolling word of corresponding background color according to the display of elevator maintain and protection subtitle data information.
Above-mentioned elevator maintain and protection inspection fault alarm internet-of-things terminal is arranged in lift car, elevator safety checking information Supervisory Unit produces the static interfaces color data information for representing warning level according to the next date of survey in the elevator safety checking information prestored and default inspection warning date, elevator safety checking information Supervisory Unit generates elevator safety checking information display interface data message according to the static interfaces color data information of the elevator safety checking information prestored and generation, and elevator safety checking information display interface data message is flowed to display module, display module is according to the elevator safety checking information static interfaces of elevator safety checking information display interface data message display corresponding color, elevator maintain and protection information monitoring unit is according to elevator maintain and protection date last time in the elevator maintain and protection information prestored, repair and maintenance date and default repair and maintenance warning date produce the rolling text color data message for representing warning level next time, elevator maintain and protection information monitoring unit also generates elevator maintain and protection subtitle data information according to the rolling text color data message of the elevator maintain and protection information prestored and generation, and elevator maintain and protection subtitle data information is flowed to display module, display module has the rolling word of corresponding background color according to the display of elevator maintain and protection subtitle data information, guarantee elevator ride person like this understands elevator maintain and protection test status in time, and then elevator applying unit can be supervised, elevator maintenance unit implements the work of inspection repair and maintenance.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of the elevator maintain and protection inspection fault alarm internet-of-things terminal of a better embodiment.
Fig. 2 is the application schematic diagram of elevator maintain and protection inspection fault alarm internet-of-things terminal in Fig. 1.
In figure: elevator maintain and protection inspection fault alarm internet-of-things terminal 10, data processing module 20, elevator safety checking information Supervisory Unit 201, elevator maintain and protection information monitoring unit 202, elevator maintain and protection record cell 203, safety check type determining units 204, elevator safety inspection request unit 205, notice feedback information broadcast unit 206, alert help unit 207, complain unit 208, lift car interior video monitoring unit 209, communication module 30, display module 40, RFID module 50, camera module 60, elevator safety inspection request button 70, alarm button 80, sound broadcasting module 90, complain button 91, sound acquisition module 92, elevator safety supervision platform of internet of things 100.
Detailed description of the invention
Elevator maintain and protection inspection fault alarm internet-of-things terminal provided by the invention is arranged in lift car, think that elevator ride person provides elevator maintain and protection test status information in time, referring to Fig. 1 and Fig. 2, this elevator maintain and protection inspection fault alarm internet-of-things terminal 10 comprises data processing module 20, communication module 30, display module 40, data processing module 20 is connected with communication module 30 and display module 40, communication module 30 establishes a communications link for supervising platform of internet of things 100 with elevator safety, and realize the data exchange that data processing module 20 and elevator safety supervise platform of internet of things 100, the data message that display module 40 is carried for showing data processing module 20.Wherein, communication module 30 can for adopting the communication module of 4G communication standard, 3G communication standard, 2G communication standard; Display module 40 can be light-emitting diode display.Elevator safety supervision platform of internet of things 100 be elevator applying unit, elevator maintain and protection unit, elevator Inspection Unit and elevator supervision unit interconnective communication shared platform is provided.
Wherein, data processing module 20 can for having run the micro controller system of one group of computer applied algorithm, and wherein said computer applied algorithm has been used for as elevator ride person provides the function of elevator maintain and protection test status information in time.Data processing module 20 is after the described computer applied algorithm of operation, produce corresponding functional unit, that is, data processing module 20 comprises elevator safety checking information Supervisory Unit 201, elevator maintain and protection information monitoring unit 202: elevator safety checking information Supervisory Unit 201 is for the static interfaces color data information for representing warning level according to the next date of survey in the elevator safety checking information prestored and default inspection warning date generation, wherein elevator safety checking information comprises lift facility code, use numbering, repair and maintenance unit, repair and maintenance phone, Inspection Unit, inspector, date of survey next time, elevator safety checking information Supervisory Unit 201 is also for generating elevator safety checking information display interface data message according to the static interfaces color data information of the elevator safety checking information prestored and generation, and elevator safety checking information display interface data message is flowed to display module 40, display module 40 is according to the elevator safety checking information static interfaces of elevator safety checking information display interface data message display corresponding color.Elevator maintain and protection information monitoring unit 202 is for according to elevator maintain and protection date last time in the elevator maintain and protection information that prestores, repair and maintenance date and default repair and maintenance warning date produce the rolling text color data message for representing warning level next time, wherein elevator maintain and protection information comprises the last elevator maintain and protection date, the repair and maintenance date next time, repair and maintenance personal information, elevator maintain and protection information monitoring unit 202 also generates elevator maintain and protection subtitle data information for the rolling text color data message according to the elevator maintain and protection information prestored and generation, and elevator maintain and protection subtitle data information is flowed to display module 40, display module 40 has the rolling word of corresponding background color according to the display of elevator maintain and protection subtitle data information.Such as, elevator operates in normal annual test qualified time, and the elevator safety checking information static interfaces of display is green, represents normal; Elevator operates in annual test and expires first 30 days, and the elevator safety checking information static interfaces of display is yellow, represents early warning; During elevator operates in non-annual test of exceeding the time limit, the elevator safety checking information static interfaces of display is red, represents alarm; Elevator is in normal repair and maintenance time interval, and rolling character background is blue, and elevator exceeded the time limit the non-repair and maintenance time in 15 days, and rolling character background look is yellow, and more than 2 repair and maintenance cycle non-repair and maintenance, rolling character background look is red.
Further, this elevator maintain and protection inspection fault alarm internet-of-things terminal 10 also comprises RFID module 50, camera module 60, elevator safety inspection request button 70, data processing module 20 is connected with RFID module 50, camera module 60, and data processing module 20 also comprises elevator maintain and protection record cell 203, safety check type determining units 204, elevator safety inspection request unit 205, notices feedback information broadcast unit 206, safety check type determining units 204 for the personnel that hold that obtain RFID module 50 and read hold personal information in identity rfid card, personal information comprises the name of personnel, telephone number, No. ID, safety check type determining units 204 is when the personal information judging to obtain is corresponding with the personal information in the elevator maintain and protection unit information storehouse prestored, the personal information of acquisition is supplied to elevator maintain and protection record cell 203, safety check type determining units 204 is also for when the personal information judging to obtain is corresponding with the personal information in the elevator applying unit information storage prestored, the personal information of acquisition is supplied to elevator safety inspection request unit 205, elevator maintain and protection record cell 203 is for when receiving the personal information that safety check type determining units 204 provides, control camera module 60 and work the facial information of catching the current personnel that hold, elevator maintain and protection record cell 203 is when the facial information judging to obtain is corresponding with the facial information of the personnel in the elevator maintain and protection unit information storehouse prestored, obtain present system time, and using the present system time of acquisition as repair and maintenance time opening record, elevator maintain and protection record cell 203 is when again receiving the personal information that safety check type determining units 204 provides, again control camera module 60 and work the facial information of catching the current personnel that hold, elevator maintain and protection record cell 203 is when the facial information judging to obtain is corresponding with the facial information of the personnel in the elevator maintain and protection unit information storehouse prestored, obtain present system time, and using the present system time of acquisition as repair and maintenance end time record, and according to the repair and maintenance time opening of recording, the repair and maintenance end time, the personal information received produces elevator maintain and protection information, the elevator maintain and protection information of generation is stored and by communication module 30, elevator maintain and protection information is sent in the data bank of elevator safety supervision platform of internet of things 100.
Elevator safety inspection request unit 205 is when receiving personal information, detect elevator safety inspection request button 70 and whether produce request signal, elevator safety inspection request unit 205 is when request signal being detected, obtain that prestore with elevator information that is that arrange this elevator maintain and protection and check the elevator of fault alarm internet-of-things terminal 10 corresponding, elevator information comprises lift facility code, use numbering, elevator safety inspection solicited message is produced according to the elevator information obtained, and checked by elevator safety solicited message to send elevator safety supervision platform of internet of things 100 to realize initiatively submitting inspection to by communication module 30, elevator safety inspection request unit 205 also arranges announcement information for obtaining from elevator safety supervision platform of internet of things 100 the elevator inspection that Inspection Unit issues by communication module 30, and arrange announcement information to send to corresponding responsible person elevator inspection according to the mailing address prestored, the elevator safety checking information obtained also for obtaining the elevator safety checking information that Inspection Unit issues from elevator safety supervision platform of internet of things 100, and stores by elevator safety inspection request unit 205, notice the notice that by elevator safety supervision platform of internet of things 100 issued, bulletin, the complaint feedback information generation rolling notice feedback Word message of feedback information broadcast unit 206 for transmitting according to communication module 30, and rolling notice feedback Word message is supplied to display module 40, with the notice making display module 40 Dynamic Announce corresponding feedback word.
Further, this elevator maintain and protection inspection fault alarm internet-of-things terminal 10 also comprises alarm button 80, sound broadcasting module 90, complain button 91, sound acquisition module 92, data processing module and alarm button 80, sound broadcasting module 90, complain button 91, sound acquisition module 92 connects, data processing module 20 also comprises alert help unit 207, complain unit 208, lift car interior video monitoring unit 209, alert help unit 207 is for when the push button signalling that alarm button 80 produces because being pressed by elevator ride person being detected, default alert help chained address is supplied to communication module 30, establish a communications link with the alert help server corresponding to alert help chained address to make communication module 30, alert help unit 207 controls camera module 60, sound broadcasting module 90 works to realize video calling, complain unit 208 for when the push button signalling of complaining button 91 to produce because being pressed by elevator ride person being detected, default complaint chained address is supplied to communication module 30, establish a communications link with the complaint service device of complaining corresponding to chained address to make communication module 30, unit 208 is complained to control the complaint sound-content that sound acquisition module 92 gathers elevator ride person, and produce corresponding complaint audio-frequency information, and complaint audio-frequency information is supplied to and the complaint service device of complaining corresponding to chained address by communication module 30, the monitor command that by elevator safety supervision platform of internet of things issued of lift car interior video monitoring unit 209 for transmitting according to communication module 30, control camera module 60 to work to obtain lift car internal video signal, and send lift car internal video signal to elevator safety supervision platform of internet of things by communication module 30.Wherein, above-mentioned various button can be physical button, also can be display virtual key.
Claims (7)
1. an elevator maintain and protection inspection fault alarm internet-of-things terminal, it is characterized in that: this elevator maintain and protection inspection fault alarm internet-of-things terminal is arranged in lift car, think that elevator ride person provides elevator maintain and protection test status information in time, this elevator maintain and protection inspection fault alarm internet-of-things terminal comprises data processing module, communication module, display module, data processing module is connected with communication module and display module, communication module is used for supervising platform of internet of things with elevator safety and establishes a communications link, and realize the data exchange that data processing module and elevator safety supervise platform of internet of things, display module is for showing the data message of data processing module conveying, data processing module comprises elevator safety checking information Supervisory Unit, elevator maintain and protection information monitoring unit, elevator safety checking information Supervisory Unit is used for the static interfaces color data information according to producing the next date of survey in the elevator safety checking information prestored and default inspection warning date for representing warning level, wherein elevator safety checking information comprises lift facility code, use numbering, repair and maintenance unit, repair and maintenance phone, Inspection Unit, inspector, date of survey next time, elevator safety checking information Supervisory Unit is used for generating elevator safety checking information display interface data message according to the static interfaces color data information of the elevator safety checking information prestored and generation, and elevator safety checking information display interface data message is flowed to display module, display module is according to the elevator safety checking information static interfaces of elevator safety checking information display interface data message display corresponding color, elevator maintain and protection information monitoring unit is used for according to elevator maintain and protection date last time in the elevator maintain and protection information prestored, repair and maintenance date and default repair and maintenance warning date produce the rolling text color data message for representing warning level next time, wherein elevator maintain and protection information comprises the last elevator maintain and protection date, the repair and maintenance date next time, repair and maintenance personal information, elevator maintain and protection information monitoring unit also generates elevator maintain and protection subtitle data information for the rolling text color data message according to the elevator maintain and protection information prestored and generation, and elevator maintain and protection subtitle data information is flowed to display module, display module has the rolling word of corresponding background color according to the display of elevator maintain and protection subtitle data information.
2. elevator maintain and protection inspection fault alarm internet-of-things terminal as claimed in claim 1, it is characterized in that: this elevator maintain and protection inspection fault alarm internet-of-things terminal also comprises RFID module, camera module, data processing module and RFID module, camera module connects, data processing module also comprises elevator maintain and protection record cell, safety check type determining units, safety check type determining units for the personnel that hold that obtain RFID module and read hold personal information in identity rfid card, personal information comprises the name of personnel, telephone number, No. ID, safety check type determining units is when the personal information judging to obtain is corresponding with the personal information in the elevator maintain and protection unit information storehouse prestored, the personal information of acquisition is supplied to elevator maintain and protection record cell, elevator maintain and protection record cell is used for when receiving the personal information that safety check type determining units provides, control camera module work to catch the facial information of the current personnel that hold, elevator maintain and protection record cell is when the facial information judging to obtain is corresponding with the facial information of the personnel in the elevator maintain and protection unit information storehouse prestored, obtain present system time, and using the present system time of acquisition as repair and maintenance time opening record, elevator maintain and protection record cell is when again receiving the personal information that safety check type determining units provides, again control camera module work to catch the facial information of the current personnel that hold, elevator maintain and protection record cell is when the facial information judging to obtain is corresponding with the facial information of the personnel in the elevator maintain and protection unit information storehouse prestored, obtain present system time, and using the present system time of acquisition as repair and maintenance end time record, and according to the repair and maintenance time opening of recording, the repair and maintenance end time, the personal information received produces elevator maintain and protection information, the elevator maintain and protection information of generation is stored and by communication module, elevator maintain and protection information is sent in the elevator safety supervision platform of internet of things data bank of elevator association unit.
3. elevator maintain and protection inspection fault alarm internet-of-things terminal as claimed in claim 2, it is characterized in that: this elevator maintain and protection inspection fault alarm internet-of-things terminal also comprises elevator safety inspection request button, data processing module also comprises elevator safety inspection request unit, safety check type determining units is also for when the personal information judging to obtain is corresponding with the personal information in the elevator applying unit information storage prestored, the personal information of acquisition is supplied to elevator safety inspection request unit, elevator safety inspection request unit is when receiving personal information, detect elevator safety inspection request button and whether produce request signal, elevator safety inspection request unit is when request signal being detected, obtain that prestore with elevator information that is that arrange this elevator maintain and protection and check the elevator of fault alarm internet-of-things terminal corresponding, elevator information comprises lift facility code, use numbering, elevator safety inspection solicited message is produced according to the elevator information obtained, and checked by elevator safety solicited message to send elevator safety supervision platform of internet of things to realize initiatively submitting inspection to by communication module, the elevator inspection of elevator safety inspection request unit also for being issued from elevator safety supervision platform of internet of things acquisition Inspection Unit by communication module arranges announcement information, and arrange announcement information to send to corresponding responsible person elevator inspection according to the mailing address prestored, the elevator safety checking information obtained also for obtaining the elevator safety checking information that Inspection Unit issues from elevator safety supervision platform of internet of things, and stores by elevator safety inspection request unit.
4. elevator maintain and protection inspection fault alarm internet-of-things terminal as claimed in claim 2, it is characterized in that: data processing module also comprises lift car interior video monitoring unit, lift car interior video monitoring unit is used for the monitor command issued by elevator safety supervision platform of internet of things transmitted according to communication module, control camera module work to obtain lift car internal video signal, and send lift car internal video signal to elevator safety supervision platform of internet of things by communication module.
5. elevator maintain and protection inspection fault alarm internet-of-things terminal as claimed in claim 3, it is characterized in that: this elevator maintain and protection inspection fault alarm internet-of-things terminal also comprises alarm button, sound broadcasting module, data processing module and alarm button, sound broadcasting module connects, data processing module also comprises alert help unit, alert help unit is used for when the push button signalling that alarm button produces because being pressed by elevator ride person being detected, default alert help chained address is supplied to communication module, establish a communications link to make the alert help server corresponding to communication module and alert help chained address, alert help unit controls camera module, sound broadcasting module work is to realize video calling.
6. the elevator maintain and protection inspection fault alarm internet-of-things terminal as described in claim 1 or 5, it is characterized in that: this elevator maintain and protection inspection fault alarm internet-of-things terminal also comprises complaint button, sound acquisition module, data processing module and complaint button, sound acquisition module connects, data processing module also comprises complaint unit, unit is complained to be used for when the push button signalling of complaining button to produce because being pressed by elevator ride person being detected, default complaint chained address is supplied to communication module, establish a communications link with the complaint service device of complaining corresponding to chained address to make communication module, unit controls sound acquisition module is complained to gather the complaint sound-content of elevator ride person, and produce corresponding complaint audio-frequency information, and complaint audio-frequency information is supplied to and the complaint service device of complaining corresponding to chained address by communication module.
7. elevator maintain and protection inspection fault alarm internet-of-things terminal as claimed in claim 1, it is characterized in that: data processing module also comprises notices feedback information broadcast unit, notice feedback information broadcast unit to produce notice of rolling feed back Word message for the notice issued by elevator safety supervision platform of internet of things according to communication module transmission, bulletin, complaint feedback information, and rolling notice feedback Word message is supplied to display module, with the notice making display module Dynamic Announce corresponding feedback word.
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CN201510320795.9A CN104986638A (en) | 2015-06-12 | 2015-06-12 | Warning terminal of internet of things for elevator maintenance and fault inspection |
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CN201510320795.9A CN104986638A (en) | 2015-06-12 | 2015-06-12 | Warning terminal of internet of things for elevator maintenance and fault inspection |
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JPH04292384A (en) * | 1990-12-18 | 1992-10-16 | Toshiba Corp | Remote information input device for elevator display unit |
CN202022633U (en) * | 2011-04-12 | 2011-11-02 | 范奉和 | Elevator fault detecting and alarming device |
CN202265275U (en) * | 2011-08-19 | 2012-06-06 | 上海新时达电气股份有限公司 | Elevator information display device and elevator display system |
CN104192660A (en) * | 2014-08-25 | 2014-12-10 | 宁夏电通物联网科技有限公司 | Fault alarm Internet-of-Things terminal for maintenance and inspection of elevator |
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2015
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04292384A (en) * | 1990-12-18 | 1992-10-16 | Toshiba Corp | Remote information input device for elevator display unit |
CN202022633U (en) * | 2011-04-12 | 2011-11-02 | 范奉和 | Elevator fault detecting and alarming device |
CN202265275U (en) * | 2011-08-19 | 2012-06-06 | 上海新时达电气股份有限公司 | Elevator information display device and elevator display system |
CN104192660A (en) * | 2014-08-25 | 2014-12-10 | 宁夏电通物联网科技有限公司 | Fault alarm Internet-of-Things terminal for maintenance and inspection of elevator |
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