CN105417310A - Elevator maintenance monitoring method and device based on acceleration sensor - Google Patents

Elevator maintenance monitoring method and device based on acceleration sensor Download PDF

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Publication number
CN105417310A
CN105417310A CN201510517970.3A CN201510517970A CN105417310A CN 105417310 A CN105417310 A CN 105417310A CN 201510517970 A CN201510517970 A CN 201510517970A CN 105417310 A CN105417310 A CN 105417310A
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China
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elevator
time
maintenance
actual
acceleration
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蔡建平
吴剑钟
霍梅梅
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Zhejiang University City College ZUCC
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Zhejiang University City College ZUCC
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  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

The invention relates to an elevator maintenance monitoring method and device based on an acceleration sensor. The elevator maintenance monitoring method and device are independent of an original electric control system of an elevator and are achieved based on the additional one-dimensional or multi-dimensional acceleration sensor. The control process of the elevator maintenance monitoring method and device comprises the steps that firstly the acceleration as when the elevator operates in the vertical direction is collected through the acceleration sensor additionally arranged in the elevator; three parameters, namely the elevator movement distance Ls, the elevator operation time Ts, and the elevator starting and stopping times Qs, are worked out according to the acceleration change; and the three parameter values (Ls, Ts, Qs) are compared with three parameters (Lb, Tb, Qb) stipulated in elevator safety operation overhaul and maintenance, an elevator overhaul and maintenance signal is given out in time, and the operation safety of the elevator is improved. The elevator maintenance monitoring method and device based on the acceleration sensor serve as an effective auxiliary technological method for safe operation of the elevator and provide scientific basis for overhaul and maintenance management.

Description

A kind of elevator maintain and protection measure of supervision based on acceleration pick-up and device
Technical field
The present invention relates to field of electrical control, especially a kind of elevator maintain and protection measure of supervision based on acceleration pick-up and device.
Background technology
In recent years, elevator accident happens occasionally, and brings safely very big hidden danger to people's life.
According to the service action log of document and elevator producer, the reason of elevator generation breakdown of equipment mainly contains two aspects: the 1. performance quality of elevator itself and the installation quality of elevator; 2. elevator management, use technology maintenance not in place.From China's elevator accident statistical conditions, more remote causes that has an accident cause because the maintaining of elevator is not in place.
The way that current domestic elevator reparing maintenance aspect is general mainly relies on every 15 days of elevator company regular repair and maintenance once and the annual test of local Department of Qulity Supervision.Within at least every 15 days, carry out full maintenance maintenance according to country's " Safety Supervision on Special Equipment regulations " regulation elevator, but find in the routine inspection of quality supervision department, some elevator applying units do not accomplish this point.The elevator of different occasion, usage frequency is different, and corresponding elevator extent of deterioration is also different, need the grade of service obtained also should have any different, and original maintenance pattern is relatively passive.
Publication number is being authorized to be in the patent of 100415625, disclose a kind of sensor that uses and detect elevator operation hypervelocity, the states such as abnormal shake, and start the method for brake measure, detection when this method relate to et out of order and terms of settlement, but the function of fault pre-alarming can not be realized.
, there is following problem in the time length of current elevator maintain and protection:
1) the existing elevator maintain and protection time is with calendar nature number of days for foundation, does not have and the actual miles of relative movement L of elevator s, actual run time T sand actual start-stop time Q sthree parameter (L s, T s, Q s) hook, repair and maintenance lack scientific, repair and maintenance poor effect.
2) elevator of each manufacturer production, due to the difference of control system, with under the original electric independently mode of elevator, cannot obtain the actual miles of relative movement L of elevator s, actual run time T sand actual start-stop time Q setc. parameter.
3) the existing repair and maintenance mode based on the fixed cycle, due to elevator usage frequency cannot be known, thus cannot effective monitoring and the frequent elevator run of supervision.
Summary of the invention
In order to solve the problem, the invention provides a kind of elevator maintain and protection measure of supervision based on acceleration pick-up and device, acceleration parameter a when using acceleration pick-up collection elevator to run s, calculate elevator actual operation parameter, and compared with maintain with elevator safety operation the correlation parameter that specifies, when exceeding regulation, timely prompting elevator customer is maintained.
The technical solution adopted for the present invention to solve the technical problems is:
Based on an elevator maintain and protection measure of supervision for acceleration pick-up, gather acceleration parameter a when elevator runs based on the acceleration pick-up independent of the original electric control system of elevator s, use force equation and math modeling, calculate the actual miles of relative movement L of elevator s, actual run time T s, actual start-stop time Q sabove-mentioned three parameters and elevator safety operation are maintained the miles of relative movement L specified by three parameters b, running time T b, start-stop time Q bthree parameters are compared, as the actual miles of relative movement L of elevator s, actual run time T s, actual start-stop time Q swhen exceeding safe operation maintenance specified parameter, send emm message, reminding user maintains in time.
Further, the actual miles of relative movement L of described elevator s, actual run time T smethod of calculating be: after elevator n movement, miles of relative movement time of run wherein i represents the movement of any elevator, and n represents the total mobile number of times of elevator, elevator once miles of relative movement l from start to stop arbitrarily i=l k+ l y+ l t, l kfor distance, the l of the movement of elevator accelerator yfor distance, the l of the movement of elevator constant velocity's process tfor the distance of deceleration of elevator process movement, elevator once time of run t from start to stop arbitrarily i=t 4-t 1, t 1for starting the elevator moment, t 4for the elevator stop motion moment.
Further, when meeting expression formula (L s> L b)+(T s> T b)+(Q s> Q bduring)=1, namely meet (L s> L b) or meet (T s> T b) or meet (Q s> Q b) arbitrarily condition time, judge that elevator actual operation parameters exceeds maintenance specified parameter.
Present invention also offers a kind of device realizing the above-mentioned elevator maintain and protection measure of supervision based on acceleration pick-up, to be installed on elevator and independent of the original electric control system of elevator, comprise microprocessor, and connect the acceleration pick-up of described microprocessor, button, memory device, prompting indicating device, communication interface, real-time clock and power supply; Wherein, described acceleration pick-up is for gathering acceleration parameter when elevator runs, described button is used for in emergency circumstances calling out rescue, described memory device is for storing data, described prompting indicating device is used for sending information, described communication interface is used for and external device communication, and described real-time clock is used for providing internal time, and described microprocessor is for the treatment of related data.
Preferably, described acceleration pick-up gathers acceleration parameter when elevator runs is digital signal or analog signal.
During work, acceleration pick-up Real-time Collection elevator acceleration parameter a ssend microprocessor to, microprocessor calculates elevator miles of relative movement L in real time s, elevator running time T swith elevator start-stop time Q sthree actual operation parameters are also preserved in memory, the miles of relative movement L of elevator safety operation maintenance regulation b, elevator running time T bwith elevator start-stop time Q bthree repair and maintenance regulation parameters are also kept at memory device, microprocessor access actual operation parameters L s, T s, Q swith repair and maintenance regulation parameter L b, T b, Q band compare, if exceed elevator safety operation maintenance regulation parameter, microprocessor sends a signal to reminds instruction, and reminding user carries out repair and maintenance, and meanwhile, repair and maintenance information also by communication interface, is sent to third party by microprocessor.Described button connects microprocessor, for call button in emergency circumstances.Microprocessor receives the information of described button, and sends to the 3rd manager.
Adopt said method and device, the present invention, under the prerequisite independent of the original electric control system of elevator, achieves and obtains the actual miles of relative movement L of all kinds of elevator s, actual run time T swith actual start-stop time Q sthe method of three parameters, and any impact can not be produced on elevator original electrical safety control system.The present invention is with the actual miles of relative movement L of elevator s, elevator actual run time T sstart-stop time Q actual in elevator sthree parameters, as the foundation of repair and maintenance, solve the blindness being standard with calendar time number of days purely in original elevator maintain and protection process, reduce potential safety hazard greatly, improve the science of repair and maintenance.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the elevator maintain and protection measure of supervision based on acceleration pick-up of the present invention;
Fig. 2 is the structural representation of the elevator maintain and protection monitoring apparatus based on acceleration pick-up of the present invention.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Below in conjunction with drawings and Examples, the present invention is further described.
See attached Fig. 1 and 2, the elevator maintain and protection measure of supervision based on acceleration pick-up of the present invention and device, its device comprises microprocessor 1, acceleration pick-up 2, button 3, memory device 4, reminds indicating device 5, communication interface 6, real-time clock 7 and power supply 8.With microprocessor 1 for core, acceleration pick-up 2 Real-time Collection elevator acceleration parameter a s, send microprocessor 1 to, microprocessor 1 calculates elevator miles of relative movement L in real time s, elevator running time T swith elevator start-stop time Q sthree parameter (L s, T s, Q s), microprocessor 1 connected storage 4, the miles of relative movement L of elevator safety operation maintenance regulation b, elevator running time T bwith elevator start-stop time Q bthree parameter (L b, T b, Q b) be kept at memory device 4, elevator actual operation parameters (L s, T s, Q s) being also kept at memory device 4, microprocessor 1 accesses actual operation parameters (L s, T s, Q s) and repair and maintenance regulation parameter (L b, T b, Q b), and compare, if exceed elevator safety operation maintenance rule regulation parameter, microprocessor 1 sends a signal to reminds instruction 5, and reminding user carries out repair and maintenance, and meanwhile, repair and maintenance information also by communication interface 6, is sent to third party by microprocessor 1.
Device install can be arranged in elevator and any can with the position of elevator movement.
The electrical connection of device and elevator only has power supply 8, and power supply 8 can be source of AC or direct supply, also can be the chargeable batteries such as accumulator jar, lithium cell, Ni-MH battery.
Acceleration pick-up 2 connects microprocessor 1, and acceleration pick-up 2 adopts LIS3LV02DQ 3-axis acceleration sensor or other similar models, and acceleration pick-up 2 direction of measurement can be single shaft also can be multiaxis; Output signal can be analog signal, also can be digital signal.Microprocessor 1 obtains analog signal by AD conversion, reads digital signal by digital interface.
Real-time clock 7 connects microprocessor 1, is realized the configuration of real-time clock 7 by microprocessor 1, and reads the date-time of real-time clock 7, obtains elevator time of running, for system.
Button 3 connects microprocessor 1, and button 3 is for call button in emergency circumstances.Microprocessor receives the information of button 3, and sends to the 3rd manager.
Remind indicating device 5, connecting microprocessor 1, can be LED light, also can buzzer phone.
Acceleration pick-up 2 gathers elevator not acceleration/accel a in the same time s, obtained elevator time of running, calculating operational factor L by microprocessor 1 by real-time clock 7 s, T s, Q s, suppose that elevator is at t 1moment starts elevator, and speed is zero, at t 2in the moment, elevator accelerates to terminate, and start uniform movement, then the distance of accelerator movement is:
l k = ∫ t 1 t 2 a s t · d t ≈ 1 2 a s ( t 2 2 - t 1 2 ) Formula one
The time that accelerator is run:
T k=t 2-t 1formula two
Elevator, after uniform movement after a while, works as t 3in the moment, speed reduces speed now, and prepares to stop, then the distance of at the uniform velocity process movement is:
l y = ∫ t 2 t 3 a s t · d t ≈ a s ( t 2 - t 1 ) · ( t 3 - t 2 ) Formula three
The at the uniform velocity time of process operation:
T y=t 3-t 2formula four
Elevator through deceleration after, at t 4moment elevator stop motion, then the distance of moderating process movement is:
l t = - ∫ t 3 t 4 a s t · d t ≈ - 1 2 a s ( t 4 2 - t 3 2 ) Formula five
The time that moderating process is run:
T t=t 4-t 3formula six
Elevator arbitrarily once miles of relative movement from start to stop:
L i=l k+ l y+ l t; Formula seven
Elevator arbitrarily once time of run from start to stop:
t i＝t k+t y+t t＝t 4-t 1。Formula eight
After elevator n movement, miles of relative movement wherein i represents the movement of any elevator, and n represents the total mobile number of times of elevator.
After elevator n movement, time of run wherein i represents the movement of any elevator, and n represents the total mobile number of times of elevator.
Thus, three parameter: the L needed can be obtained s, T s, Q s.Table one gives related test parameters.
The elevator actual operation parameters L calculated by microprocessor 1 s, T s, Q s, by microprocessor 1, be kept at memory device 4, also can pass through communication interface 6, pass to external system.
Communication interface 6 can be wire communication, also can be wireless telecommunications; Wire communication can adopt USB, and as RS232, SPI, I2C etc., wireless telecommunications can adopt bluetooth, infrared, the wireless module etc. such as GSM, GPRS.
Memory device 4 connects microprocessor 1, and it can be serial non-volatile memory, also can be parallel non-volatile memory, for preserving elevator device property parameters and parameters of elevator run.
Repair and maintenance regulation parameter L b, T b, Q bby communication interface, pass to microprocessor 1 from outside, by microprocessor 1, repair and maintenance are specified parameter L b, T b, Q bbe kept in memory device 4.
When elevator completes once lifting stopping movement, microprocessor 1 reads repair and maintenance regulation parameter L from memory device 4 b, T b, Q bwith actual operation parameters L s, T s, Q s, row relax of going forward side by side.When meeting expression formula: (L s> L b)+(T s> T b)+(Q s> Q bduring)=1, that is, as satisfied (L s> L b) or meet (T s> T b) or meet (Q s> Q b) arbitrarily condition time, illustrates that actual operational factor has exceeded repair and maintenance and required regulation parameter, microprocessor 1 sends repair and maintenance signal, by prompting instruction 5 reminding user, or also can passing through communication interface 6, sending to third party by needing the information of carrying out repair and maintenance.
Table two is depicted as elevator miles of relative movement, time of run and start-stop time in repair and maintenance specialized range, does not send repair and maintenance alarm message
Table three elevator miles of relative movement exceeds repair and maintenance regulation (L s>L b), send repair and maintenance alarm message
Table four elevator start-stop time exceeds repair and maintenance regulation (Q s>Q b), send repair and maintenance alarm message
Table five elevator miles of relative movement exceeds repair and maintenance regulation (L s>L b), elevator time of run exceeds repair and maintenance regulation (T s>T b), send repair and maintenance alarm message
By said system, can make elevator maintain and protection in time, science, effectively, reduce elevator safety hidden danger, ensure the safe operation of elevator.
After table one elevator moves, miles of relative movement, time of run and start-stop time
Table two elevator miles of relative movement, time of run start-stop time, in repair and maintenance specialized range, do not send repair and maintenance alarm message
Table three elevator miles of relative movement exceeds repair and maintenance regulation (L s>L b), send repair and maintenance alarm message
Table four elevator start-stop time exceeds repair and maintenance regulation (Q s>Q b), send repair and maintenance alarm message
(L s>L b), elevator time of run exceeds repair and maintenance regulation (T s>T b), send repair and maintenance alarm message
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (5)

1. based on an elevator maintain and protection measure of supervision for acceleration pick-up, it is characterized in that: gather acceleration parameter a when elevator runs based on the acceleration pick-up independent of the original electric control system of elevator s, use force equation and math modeling, calculate the actual miles of relative movement L of elevator s, actual run time T s, actual start-stop time Q sabove-mentioned three parameters and elevator safety operation are maintained the miles of relative movement L specified by three parameters b, running time T b, start-stop time Q bthree parameters are compared, and when elevator actual operation parameters exceeds safe operation maintenance specified parameter, send emm message, reminding user maintains in time.
2. the elevator maintain and protection measure of supervision based on acceleration pick-up according to claim 1, is characterized in that, the actual miles of relative movement L of described elevator s, actual run time T smethod of calculating be: after elevator n movement, miles of relative movement time of run wherein i represents the movement of any elevator, and n represents the total mobile number of times of elevator, elevator once miles of relative movement l from start to stop arbitrarily i=l k+ l y+ l t, l kfor distance, the l of the movement of elevator accelerator yfor distance, the l of the movement of elevator constant velocity's process tfor the distance of deceleration of elevator process movement, elevator once time of run t from start to stop arbitrarily i=t 4-t 1, t 1for starting the elevator moment, t 4for the elevator stop motion moment.
3. the elevator maintain and protection measure of supervision based on acceleration pick-up according to claim 2, is characterized in that: when meeting expression formula (L s> L b)+(T s> T b)+(Q s> Q bduring)=1, namely meet (L s> L b) or meet (T s> T b) or meet (Q s> Q b) arbitrarily condition time, judge that elevator actual operation parameters exceeds maintenance specified parameter.
4. one kind realizes the device of the elevator maintain and protection measure of supervision based on acceleration pick-up as described in claim 1-3, to be installed on elevator and independent of the original electric control system of elevator, it is characterized in that: comprise microprocessor, and connect the acceleration pick-up of described microprocessor, button, memory device, prompting indicating device, communication interface, real-time clock and power supply; Wherein, described acceleration pick-up is for gathering acceleration parameter when elevator runs, described button is used for in emergency circumstances calling out rescue, described memory device is for storing data, described prompting indicating device is used for sending information, described communication interface is used for and external device communication, and described real-time clock is used for providing internal time, and described microprocessor is for the treatment of related data.
5. device as claimed in claim 4, is characterized in that: the acceleration parameter that described acceleration pick-up gathers when elevator runs is digital signal or analog signal.
CN201510517970.3A 2015-08-21 2015-08-21 Elevator maintenance monitoring method and device based on acceleration sensor Pending CN105417310A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107640672A (en) * 2017-09-22 2018-01-30 深圳市正弦电气股份有限公司 A kind of elevator and its maintenance monitoring system and operation method
WO2018195852A1 (en) * 2017-04-27 2018-11-01 深圳市海浦蒙特科技有限公司 Elevator maintenance operation control method and system
CN110182663A (en) * 2019-07-03 2019-08-30 广州广日电梯工业有限公司 The pre- diagnostic method of elevator guide shoe and pre- diagnostic system
CN110606417A (en) * 2018-06-15 2019-12-24 奥的斯电梯公司 Elevator sensor system floor mapping
CN111252641A (en) * 2020-04-28 2020-06-09 广东梯云科技有限公司 Elevator maintenance-on-demand intelligent management system and management method thereof
CN112193960A (en) * 2020-09-29 2021-01-08 中国人民解放军国防科技大学 Method for judging moving floor of elevator
CN112512947A (en) * 2018-10-09 2021-03-16 三菱电机大楼技术服务株式会社 Elevator starting frequency measuring device, elevator starting frequency measuring system, and elevator starting frequency measuring method

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN102211725A (en) * 2011-06-03 2011-10-12 浙江大学城市学院 Control device and method for maintenance of lifter based on acceleration sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102211725A (en) * 2011-06-03 2011-10-12 浙江大学城市学院 Control device and method for maintenance of lifter based on acceleration sensor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018195852A1 (en) * 2017-04-27 2018-11-01 深圳市海浦蒙特科技有限公司 Elevator maintenance operation control method and system
CN107640672A (en) * 2017-09-22 2018-01-30 深圳市正弦电气股份有限公司 A kind of elevator and its maintenance monitoring system and operation method
CN110606417A (en) * 2018-06-15 2019-12-24 奥的斯电梯公司 Elevator sensor system floor mapping
US11584614B2 (en) 2018-06-15 2023-02-21 Otis Elevator Company Elevator sensor system floor mapping
CN112512947A (en) * 2018-10-09 2021-03-16 三菱电机大楼技术服务株式会社 Elevator starting frequency measuring device, elevator starting frequency measuring system, and elevator starting frequency measuring method
CN110182663A (en) * 2019-07-03 2019-08-30 广州广日电梯工业有限公司 The pre- diagnostic method of elevator guide shoe and pre- diagnostic system
CN111252641A (en) * 2020-04-28 2020-06-09 广东梯云科技有限公司 Elevator maintenance-on-demand intelligent management system and management method thereof
CN112193960A (en) * 2020-09-29 2021-01-08 中国人民解放军国防科技大学 Method for judging moving floor of elevator

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Application publication date: 20160323