CN102826437A - Device for recording and monitoring running of staircase - Google Patents
Device for recording and monitoring running of staircase Download PDFInfo
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- CN102826437A CN102826437A CN2012103464297A CN201210346429A CN102826437A CN 102826437 A CN102826437 A CN 102826437A CN 2012103464297 A CN2012103464297 A CN 2012103464297A CN 201210346429 A CN201210346429 A CN 201210346429A CN 102826437 A CN102826437 A CN 102826437A
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Abstract
The invention relates to a device for recording and monitoring running of a staircase. The device comprises a mutual inductor, a running speed detection module, a running direction detection module, a brake detection module, an access panel switch monitoring module, a safety loop monitoring module and a data processor, wherein the mutual inductor is used for acquiring the practical current and practical voltage of a staircase system; the running speed detection module is used for detecting the practical running speed of the staircase; the running direction detection module is used for detecting the practical running direction of the staircase; the brake detection module is used for detecting the action of a brake of the staircase; the access panel switch monitoring module is used for detecting the access panel opening action of the staircase; the safety loop monitoring module is used for detecting a circuit system consisting of a circuit switch of a circuit in the staircase; and the data processor is connected with each detection module. An intelligent automatic staircase failure recording, diagnosing and alarming system is established on the basis of a plurality of parameter detection modules, so that a plurality of parameters of the running state of an automatic staircase or a sidewalk can be monitored and reflected in real time, an automatic urban safety monitoring network is established, potential safety hazard is found as soon as possible, and accidents are prevented.
Description
Technical field
The present invention relates to a kind of equipment operating data check implement, relate in particular to the logout control monitor unit of a kind of escalator or moving sidewalk.
Background technology
Along with economy is flourish, the rapid propelling of city process, megastore, airport, subway constantly increase, and escalator uses increasingly extensive and universal in people's daily life as important transportation means.As one of special equipment that relates to the daily productive life of people, the safety of its operation is one of theme of industry always, and more and more comes into one's own.Wherein, how escalator ensures the safe operation of automatic elevator as a kind of special equipment that is related to people's life security, has become the hot issue that people pay close attention to.Escalator comprises multiple machinery and electric component as a kind of electromechanical integrated product, and uses frequently long operational time; Because traditional staircase regulatory format can't in time find and handle potential risk, cause the staircase fault to happen occasionally, when serious even human casualty accident occurs.To monitoring in real time in operating data with elevator; For improve elevator coefficient safe in utilization, raising emergency management and rescue speed of response is significant; But, have only elevator logout appearance at present, no staircase logout appearance; Elevator logout appearance has just carried out record to the switching value of system, the typical motion state of the register system of failing.
Summary of the invention
The object of the present invention is to provide a kind of staircase logout control monitor unit that is used for escalator or moving sidewalk, to solve the problem that the staircase running state data that prior art exists is single, can't satisfy the needs of condition monitoring, failure analysis.And, through the present invention, utilize same staircase logout control monitor unit just can realize the collection and the monitoring of several data, monitoring when having realized several data.
Staircase logout control monitor unit of the present invention comprises: transformer is used to gather the actual current and/or the virtual voltage of escalator system; The running velocity detection module is used to detect the real-world operation speed of staircase; And data handler, the standard operating data of obtaining staircase from the control device of the staircase line data of going forward side by side is handled, and above-mentioned data handler also is connected with display module, alarm module; Above-mentioned data handler is connected with above-mentioned transformer; Above-mentioned data handler obtains standard running current and/or standard running voltage, the standard running power of staircase, and with the detected actual current of above-mentioned transformer and/or virtual voltage, calculating gained real-world operation power ratio, when difference surpasses setting threshold; Above-mentioned data handler drives above-mentioned alarm module and gives the alarm; And make above-mentioned display module display abnormality parameter, and above-mentioned data handler is connected with above-mentioned running velocity detection module, and above-mentioned data handler obtains the standard running velocity of staircase; And with the detected real-world operation velocity ratio of above-mentioned running velocity detection module; When difference surpassed setting threshold, above-mentioned data handler drove above-mentioned alarm module and gives the alarm, and made above-mentioned display module show that running velocity is unusual.
According to said structure, can realize the monitoring of staircase internal current, voltage and the monitoring of running velocity simultaneously.
In above-mentioned staircase logout control monitor unit; Preferably also comprise: the service direction detection module; Be used to detect the real-world operation direction of staircase, above-mentioned data handler is connected with above-mentioned service direction detection module, and above-mentioned data handler obtains the operating instruction of staircase; And with this operating instruction and the detected real-world operation direction ratio of above-mentioned service direction detection module; When the real-world operation direction of operating instruction and staircase was inconsistent, above-mentioned data handler drove above-mentioned alarm module and gives the alarm, and made above-mentioned display module show that service direction is unusual.
According to said structure, can also realize the monitoring of staircase service direction simultaneously.
In above-mentioned staircase logout control monitor unit, preferably also comprise: the drg detection module is used to detect the brakeage of staircase; With access panel switch monitoring modular; Be used to monitor the breakdown action of the access panel of staircase; Above-mentioned data handler is connected with above-mentioned drg detection module, and above-mentioned data handler obtains the brake command signal, and above-mentioned brake command signal and the detected drg actuating signal of above-mentioned drg detection module are compared; Move when inconsistent at above-mentioned brake command signal and drg; Above-mentioned data handler drives above-mentioned alarm module and gives the alarm, and makes above-mentioned display module show that drg is unusual, and above-mentioned data handler is connected with above-mentioned access panel switch monitoring modular; Above-mentioned access panel switch monitoring modular will represent that the signal that access panel is opened is sent to above-mentioned data handler, the unlatching generation time of the number of times of above-mentioned data handler cumulative statistics maintenance, record access panel and/or unlatching time length.
According to said structure, can also realize the detection of drg operating state and the monitoring of access panel simultaneously, thereby can write down all previous maintenance resume of staircase.
In above-mentioned staircase logout control monitor unit; Preferably also comprise: the safety return circuit monitoring modular; Be used to monitor the safety return circuit system that is made up of the switch of the circuit in the staircase, above-mentioned data handler is connected with above-mentioned safety return circuit monitoring modular, and above-mentioned data handler receives and judge electric signal in the detected safety return circuit of the above-mentioned safety return circuit monitoring modular system when unusual; Drive above-mentioned alarm module and give the alarm, and make above-mentioned display module show that safety return circuit is unusual.
According to said structure, can also monitor the staircase internal circuit simultaneously and whether have open circuit etc. unusual, for the maintenance of staircase provides early warning.
In above-mentioned staircase logout control monitor unit; Preferably; Above-mentioned real-world operation speed surpasses or is lower than 5% of above-mentioned standard running velocity～10% o'clock, and above-mentioned data handler drives above-mentioned alarm module and gives the alarm, and makes above-mentioned display module show that running velocity is unusual.
In above-mentioned staircase logout control monitor unit; Preferably; Above-mentioned service direction detection module comprises the upstream sensor and the downstream sensor in the terminal rolling disc of the towing machine that the is arranged at staircase outside; And the terminal rolling disc of towing machine is provided with at least one sensing hole, and above-mentioned upstream sensor is positioned at the upper reaches of the general running state of the terminal rolling disc of towing machine, and above-mentioned downstream sensor is positioned at the downstream of the general running state of the terminal rolling disc of towing machine; Above-mentioned upstream sensor and above-mentioned downstream sensor are respectively applied for and detect above-mentioned sensing hole; And above-mentioned data handler detects the time relationship of above-mentioned sensing hole according to above-mentioned upstream sensor and above-mentioned downstream sensor, judges that staircase is in the upstream or downstream running state.
In above-mentioned staircase logout control monitor unit, preferred, also comprise communication module, above-mentioned communication module is connected with above-mentioned data handler, is used for the data interaction between above-mentioned data handler and the external device.And above-mentioned safety return circuit monitoring modular is parallelly connected with above-mentioned safety return circuit system.Also preferred above-mentioned display module is to dodge alarming device or read-out by the lamp that display lamp of all kinds constitutes.Further preferred above-mentioned alarm module gives the alarm through sending voice, buzzing, musical sound.
By on can know; The present invention is based on multiple parameter detection module, set up a kind of intelligentized escalator failure record, diagnosis and warning, can gather and monitor the multiple parameter of reflection escalator or footway running state; Monitoring when realizing several data; Construct city escalator security control network, find potential safety hazard early, trouble-saving generation.
Description of drawings
Fig. 1 is based on the overall framework figure of staircase logout control monitor unit of the present invention.
Fig. 2 is the reception signal schematic representation that constitutes the upstream and downstream sensor of staircase service direction detection module.
Fig. 3 is that expression is from observing the planar view of upstream sensor and downstream sensor perpendicular to the direction of the terminal rolling disc of arm rest lift traction machine.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is explained further details.Wherein, in the present embodiment, alleged " staircase " can not be done the explanation of narrow sense, and the class of track automatic conveying system with escalator or moving sidewalk etc. is referred to as staircase.
Fig. 1 schematically shows the functional block diagram of the preferred embodiment of the present invention; As shown in the figure, the staircase logout control monitor unit of this preferred embodiment comprises data handler 1 and connected display module 11, communication module 12, the transformer 13 as the current/voltage acquisition module, alarm module 14, I/O isolation module 15 and is connected in running velocity detection module 21, service direction detection module 22, drg detection module 23, access panel switch monitoring modular 24, the safety return circuit monitoring modular 25 of data handler 1 via I/O isolation module 15.
Wherein, transformer 13 is used to gather the actual current and the virtual voltage of escalator system.Running velocity detection module 21 is used to detect the real-world operation speed of staircase.Service direction detection module 22 is used to detect the real-world operation direction of staircase.Drg detection module 23 is used to detect the brakeage of staircase.Access panel switch monitoring modular 24 is used to detect the access panel breakdown action of staircase.Safety return circuit monitoring modular 25 is used to detect the safety return circuit system that is made up of the contactor of the circuit in the staircase.
In order to understand the running state of staircase in real time; And send early warning maybe et out of order the time; And the instruction of uploading the operational factor or the reception upper computer of staircase, the data handler 1 of this preferred embodiment also is connected with display module 11, alarm module 14, communication module 12.
Below, specify the effect and the principle of work of each parts in the staircase logout control monitor unit of the present invention.
For example, data handler 1 obtains the standard running voltage U of the control device indication of staircase self
Mark, standard running current I
MarkAnd standard running power P
Mark, and pass through transformer 13 and gather the actual current signal I of escalator system
RealWith voltage signal U
Real, then through internal calculation real-world operation power P
RealIf with the electric current is example, work as I
RealWith I
MarkDifference when surpassing certain value, running current I for example is above standard
Mark± 5% when value, data handler 1 produces alerting signal, and this signal is passed to alarm module 14 reports to the police, and simultaneously, data handler 1 control display module 11 shows the situation of current anomaly.
Wherein, display module 11 can be to dodge alarming device by the lamp that display lamp of all kinds etc. constitutes, and also can be display equipments such as read-out, shows corresponding information through diagram or literal.Alarm module 14 can give the alarm to the user through sending sound such as voice, buzzing, musical sound or other modes.
In addition, the actual current signal I that collects when transformer 13
RealWith voltage signal U
RealWhen too weak, for example not enough standard running current I
Mark, standard running voltage U
MarkPredefined value such as 5% or 10% time, can judge that staircase has a power failure, warning then has a power failure.
In addition; Communication module 12 is connected with data handler 1; Be used for the data interaction between data handler 1 and the external device; Being delivered to the relevant data of its processing in the peripheral data storage apparatus through communication module 12 such as data handler 1 and preserving, as the data storage apparatus of periphery, can be hard disk, USB flash disk etc.Thereby, various data that can collect modules such as transformers etc. and various data of collecting etc. are handled after the related data that obtains etc. carry out record.
This preferred embodiment can also be monitored running velocity, the service direction of staircase, when staircase takes a turn for the worse or when staircase hypervelocity, stall, can send alerting signal.
Particularly, data handler 1 obtains standard running velocity (is scalar in this speed, but not the vector) V of staircase control device indication
Mark, and pass through the real-world operation speed V that running velocity detection module 21 obtains staircases
RealAs real-world operation speed V
RealSurpass or be lower than standard running velocity V
Mark5%～10% in certain setting value (can set according to different staircase models; For example 6%, 7% or 8.5% etc.) time; Data handler 1 will represent that staircase running velocity hypervelocity or the low excessively signal of speed are sent to alarm module 14, report to the police, simultaneously; Data handler 1 state of a control display module 11 shows the unusual situation of running velocity.
And data handler 1 is connected with service direction detection module 22 via I/O isolation module 15.Data handler 1 obtains the up operating instruction that whether has staircase or the information of descending operating instruction from the control device of staircase.After obtaining the staircase operating instruction; Compare with service direction detection module 22 detected real-world operation directions; When the real-world operation direction of operating instruction and staircase was inconsistent, data handler 1 drove alarm module 14 and gives the alarm, and made display module 11 show that service direction is unusual.
Particularly, as shown in Figure 3, the operating direction detecting device 22 of this preferred embodiment has the upstream sensor 51 and downstream sensor 52 in the outside that is arranged at the terminal rolling disc 4 of arm rest lift traction machine.Upstream sensor 51 is provided with the interval that downstream sensor 52 and rolling disc 4 separate reservation.Terminal rolling disc of towing machine and staircase synchronizing motors, its rotation direction (direction of arrow as shown in Figure 3) is being represented the service direction of staircase.Be provided with at least one sensing hole 41 at the terminal rolling disc 4 of this towing machine.Upstream sensor 51 is positioned at the upper reaches of the terminal rolling disc 4 general running statees of towing machine, and downstream sensor 52 is positioned at the downstream of the terminal rolling disc 4 general running statees of towing machine.Upstream sensor 51 detects above-mentioned sensing hole 41 respectively with downstream sensor 52, and generates impulse singla as shown in Figure 2 31,32 respectively.The positive rise representative detects this sensing hole 41, and then as shown in Figure 2, the time point that downstream sensor 52 detects this sensing hole 41 lags behind the time point that upstream sensor 51 detects this sensing hole 41, representes that this staircase is in up running state.Otherwise, if detecting the time point of this sensing hole 41, upstream sensor 51 lags behind downstream sensor 52, represent that this staircase is in descending running state.The time relationship that promptly detects sensing hole according to upstream sensor and downstream sensor judges that staircase is in up running state or descending running state.The upstream and downstream sensor respectively will be separately detected impulse singla be sent to data handler 1, thus, data handler 1 obtains the real-world operation direction that staircase carries out.
And; Data handler 1 obtains the staircase operating instruction from the staircase control device; If the staircase operating instruction that gets access to is up operating instruction; Be in descending running state and detect staircase, then data handler 1 driving alarm module 14 gives the alarm, and shows that at display module 11 running statees are the situation that staircase reverses unusually.And, if the staircase operating instruction that gets access to is descending operating instruction, be in up running state and detect staircase, same, data handler 1 drives alarm module 14 and gives the alarm, and shows that at display module 11 running state is the situation that staircase reverses unusually.Wherein, When data handler 1 does not get access to the staircase operating instruction, is that the staircase control device is not indicated the staircase operation; Staircase should be in halted state; And when detecting staircase and being in the upstream or downstream running state, data handler 1 also drives alarm module 14 and gives the alarm, and shows that at display module 11 running statees promptly do not have the situation that instruction moves unusually.
In addition; The data handler 1 of this preferred embodiment also is connected with drg detection module 23 via I/O isolation module 15; And be used for obtaining the brake command signal from the staircase control device, and the drg actuating signal that brake command signal and drg detection module 23 detected is relatively, moves when inconsistent at command signal and drg; Data handler 1 drives alarm module 14 and gives the alarm, and makes display module 11 show that drg is unusual.For example; When data handler 1 monitors the staircase control device to the drg of the staircase command signal that declutches; And drg detection module 23 does not detect drg and declutches action when promptly not possessing drg and declutching actuating signal, and data handler 1 can judge in view of the above that drg does not move by the instruction of staircase control device, exists the drg braking mode unusual; Give the alarm thereby can drive alarm module 14, make display module 11 show that drg is unusual.
The data handler 1 of this preferred embodiment also is connected with access panel switch monitoring modular 24 via I/O isolation module 15; When each access panel is opened; Access panel switch monitoring modular 24 detects the breakdown action of this access panel, obtains the start signal of access panel, and access panel switch monitoring modular 24 will represent that the impulse singla that access panel is opened is sent to data handler 1 thus; By the number of times of data handler 1 cumulative statistics maintenance, and write down the generation time of this time breakdown action and/or open time length.Thereby can write down all previous maintenance resume of this staircase.
To sum up; Staircase logout control monitor unit of the present invention can be comprehensive, complete the multiple run signal of obtaining staircase and detect the multiple information under the real-world operation state of staircase; Thereby obtain the staircase operating condition all-sidedly and accurately, satisfy the needs of condition monitoring, failure analysis.For example, obtain the built-in standard running voltage current signal of staircase, the virtual voltage current signal with it during with the real-world operation that collects compares, and can judge whether the staircase electric current and voltage is unusual.Moreover, obtain the standard running velocity of staircase, with itself and detected actual speed relatively, can judge whether staircase speed exceeds the speed limit or stall etc.And, can obtain the service direction instruction, and compare with the real-world operation direction, judge whether staircase exists reverse.Moreover, according to staircase logout control monitor unit of the present invention, can also judge the working of brakes state, write down all previous maintenance resume of staircase, can monitor the safety return circuit system of the switch composition of the circuit in the staircase.
Can know that by technological general knowledge the present invention can realize through other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all is a casehistory, is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all comprised by the present invention.
Claims (10)
1. a staircase logout control monitor unit is characterized in that, comprising:
Transformer is used to gather the actual current and/or the virtual voltage of escalator system;
The running velocity detection module is used to detect the real-world operation speed of staircase; With
Data handler, the standard operating data of obtaining staircase from the control device of the staircase line data of going forward side by side is handled, and said data handler also is connected with display module, alarm module,
Said data handler is connected with said transformer,
Said data handler obtains standard running current and/or standard running voltage, the standard running power of staircase; And with the detected actual current of said transformer and/or virtual voltage, calculating gained real-world operation power ratio; When difference surpasses setting threshold; Said data handler drives said alarm module and gives the alarm, and makes said display module display abnormality parameter
Said data handler is connected with said running velocity detection module,
Said data handler obtains the standard running velocity of staircase; And with the detected real-world operation velocity ratio of said running velocity detection module; When difference surpasses setting threshold; Said data handler drives said alarm module and gives the alarm, and makes said display module show that running velocity is unusual.
2. staircase logout control monitor unit according to claim 1 is characterized in that, also comprises:
The service direction detection module is used to detect the real-world operation direction of staircase,
Said data handler is connected with said service direction detection module,
Said data handler obtains the operating instruction of staircase; And with this operating instruction and the detected real-world operation direction ratio of said service direction detection module; When the real-world operation direction of operating instruction and staircase is inconsistent; Said data handler drives said alarm module and gives the alarm, and makes said display module show that service direction is unusual.
3. staircase logout control monitor unit according to claim 1 is characterized in that, also comprises:
The drg detection module is used to detect the brakeage of staircase; With
Access panel switch monitoring modular is used to monitor the breakdown action of the access panel of staircase,
Said data handler is connected with said drg detection module,
Said data handler obtains the brake command signal; And with said brake command signal and the detected drg actuating signal comparison of said drg detection module; Move when inconsistent at said brake command signal and drg; Said data handler drives said alarm module and gives the alarm, and makes said display module show that drg is unusual
Said data handler is connected with said access panel switch monitoring modular; Said access panel switch monitoring modular will represent that the signal that access panel is opened is sent to said data handler, the unlatching generation time of the number of times of said data handler cumulative statistics maintenance, record access panel and/or unlatching time length.
4. staircase logout control monitor unit according to claim 1 is characterized in that, also comprises:
The safety return circuit monitoring modular is used to monitor the safety return circuit system that is made up of the switch of the circuit in the staircase,
Said data handler is connected with said safety return circuit monitoring modular; Said data handler receives and judges electric signal in the detected safety return circuit of the said safety return circuit monitoring modular system when unusual; Drive said alarm module and give the alarm, and make said display module show that safety return circuit is unusual.
5. staircase logout control monitor unit according to claim 1 is characterized in that,
Said real-world operation speed surpasses or is lower than 5% of said standard running velocity～10% o'clock, and said data handler drives said alarm module and gives the alarm, and makes said display module show that running velocity is unusual.
6. staircase logout control monitor unit according to claim 2; It is characterized in that; Said service direction detection module comprises the upstream sensor and the downstream sensor in the terminal rolling disc of the towing machine that the is arranged at staircase outside, and the terminal rolling disc of towing machine is provided with at least one sensing hole
Said upstream sensor is positioned at the upper reaches of the general running state of the terminal rolling disc of towing machine, and said downstream sensor is positioned at the downstream of the general running state of the terminal rolling disc of towing machine; Said upstream sensor and said downstream sensor are respectively applied for and detect said sensing hole; And said data handler detects the time relationship of said sensing hole according to said upstream sensor and said downstream sensor, judges that staircase is in the upstream or downstream running state.
7. according to each described staircase logout control monitor unit in the claim 1～6, it is characterized in that,
Also comprise communication module, said communication module is connected with said data handler, is used for the data interaction between said data handler and the external device.
8. staircase logout control monitor unit according to claim 4 is characterized in that,
Said safety return circuit monitoring modular is parallelly connected with said safety return circuit system.。
9. according to each described staircase logout control monitor unit in the claim 1～6, it is characterized in that said display module is to dodge alarming device or read-out by the lamp that display lamp of all kinds constitutes.
10. according to each described staircase logout control monitor unit in the claim 1～6, it is characterized in that said alarm module gives the alarm through sending voice, buzzing, musical sound.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346429.7A CN102826437B (en) | 2012-09-18 | 2012-09-18 | Device for recording and monitoring running of staircase |
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|---|---|---|---|
| CN201210346429.7A CN102826437B (en) | 2012-09-18 | 2012-09-18 | Device for recording and monitoring running of staircase |
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| CN102826437B CN102826437B (en) | 2014-07-30 |
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| CN103224189A (en) * | 2013-03-18 | 2013-07-31 | 康力电梯股份有限公司 | Staircase and sidewalk safety monitoring system |
| CN104401833A (en) * | 2014-11-17 | 2015-03-11 | 广州特种机电设备检测研究院 | Method, system and device for recording elevator maintenance |
| CN105314519A (en) * | 2014-06-25 | 2016-02-10 | 株式会社日立制作所 | Passenger conveyor |
| CN106946112A (en) * | 2017-05-10 | 2017-07-14 | 上海理工大学 | Passageway lift safety device |
| CN108163690A (en) * | 2017-12-29 | 2018-06-15 | 通力电梯有限公司 | Equipment, escalator and the method that escalator is monitored online is monitored online |
| CN108190714A (en) * | 2018-01-29 | 2018-06-22 | 陈爱珍 | A kind of adjustable staircase supporting rack |
| CN109110588A (en) * | 2017-06-23 | 2019-01-01 | 广西壮族自治区特种设备检验研究院 | A kind of elevator monitoring system based on monitoring elevator speed |
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| CN111807202A (en) * | 2020-05-11 | 2020-10-23 | 森赫电梯股份有限公司 | Escalator operation control system |
| CN112707301A (en) * | 2021-01-06 | 2021-04-27 | 上海新时达电气股份有限公司 | Switch detection method and device, electronic equipment and storage medium |
| CN112897304A (en) * | 2021-02-24 | 2021-06-04 | 浙江朱道模块集成有限公司 | Linkage control system for escalator and guide mark |
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| CN104401833A (en) * | 2014-11-17 | 2015-03-11 | 广州特种机电设备检测研究院 | Method, system and device for recording elevator maintenance |
| CN106946112A (en) * | 2017-05-10 | 2017-07-14 | 上海理工大学 | Passageway lift safety device |
| CN106946112B (en) * | 2017-05-10 | 2018-10-12 | 上海理工大学 | Passageway lift safety device |
| CN109110588A (en) * | 2017-06-23 | 2019-01-01 | 广西壮族自治区特种设备检验研究院 | A kind of elevator monitoring system based on monitoring elevator speed |
| CN109110588B (en) * | 2017-06-23 | 2020-09-29 | 广西壮族自治区特种设备检验研究院 | Elevator supervisory systems based on monitoring elevator speed |
| US11795034B2 (en) | 2017-12-29 | 2023-10-24 | Kone Corporation | Escalator monitoring system, method, sound data collection device and fixture therefor |
| CN108163690A (en) * | 2017-12-29 | 2018-06-15 | 通力电梯有限公司 | Equipment, escalator and the method that escalator is monitored online is monitored online |
| CN108190714A (en) * | 2018-01-29 | 2018-06-22 | 陈爱珍 | A kind of adjustable staircase supporting rack |
| CN109975337A (en) * | 2019-04-15 | 2019-07-05 | 深圳市创艺龙电子科技有限公司 | A kind of novel security inspection equipment and intelligent checking system |
| CN111807202A (en) * | 2020-05-11 | 2020-10-23 | 森赫电梯股份有限公司 | Escalator operation control system |
| CN112707301A (en) * | 2021-01-06 | 2021-04-27 | 上海新时达电气股份有限公司 | Switch detection method and device, electronic equipment and storage medium |
| CN112707301B (en) * | 2021-01-06 | 2022-08-19 | 上海新时达电气股份有限公司 | Switch detection method, device, electronic equipment and storage medium |
| CN112897304A (en) * | 2021-02-24 | 2021-06-04 | 浙江朱道模块集成有限公司 | Linkage control system for escalator and guide mark |
| CN112897304B (en) * | 2021-02-24 | 2024-04-26 | 浙江朱道模块集成有限公司 | Linkage control system for escalator and guiding mark |
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