CN104370175B - Parameters of elevator run monitoring method and device - Google Patents
Parameters of elevator run monitoring method and device Download PDFInfo
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- CN104370175B CN104370175B CN201310359262.2A CN201310359262A CN104370175B CN 104370175 B CN104370175 B CN 104370175B CN 201310359262 A CN201310359262 A CN 201310359262A CN 104370175 B CN104370175 B CN 104370175B
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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
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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Abstract
The invention provides a kind of parameters of elevator run monitoring method and device, wherein method includes installing additional on the elevator car acceleration transducer, and reads the acceleration of described acceleration transducer in fixed time interval；The integrated acceleration read is obtained instantaneous velocity V (t) of elevator, and instantaneous velocity V (t) integration of elevator is obtained immediate movement S (t)；According to formula: height+∑ S (t) of the height=reference mark of elevator, obtain the height of current time elevator, wherein ∑ S (t) is the displacement that elevator accumulation runs, the parameters of elevator run that the embodiment of the present invention obtains is little with actual operational factor error, degree of accuracy is high, and its equipment used is installed easily, it is difficult to form interference between the equipment such as sensor of elevator self.
Description
Technical field
The present invention relates to elevator safety monitoring technical field, particularly relate to a kind of parameters of elevator run monitoring method
And device.
Background technology
In running process of elevator, the monitoring to operational factors such as its speed of service and height runs analyzing elevator
State, ensure that the aspect such as elevator safety operation tool is of great significance, at present to elevator speed and
The monitoring of height is mainly by the magnetics being installed on elevator, Hall element and photoelectric sensor etc.
Equipment realizes, but practice have shown that, utilizes these equipment to carry out elevator speed and the isoparametric prison of height
During survey, there is bigger error with actual data in the data obtained, by analysis, if this is due to these
Equipment is respectively provided with higher restriction to installation site, mounting condition, working environment etc., and is difficult in reality
Meet；Meanwhile, the volume of these equipment is generally large, needs to use support to install, has certain
Installation difficulty and workload, and must supply when installing the sensor additional to help former elevator components (such as: magnetic isolation plate etc.),
Therefore may and the original sensor of elevator between formed interference.
Summary of the invention
In view of this, the invention provides a kind of parameters of elevator run monitoring method and device, its electricity obtained
Ladder operational factor is little with actual operational factor error, degree of accuracy is high, and its equipment used is installed easily,
It is difficult to be formed interference between the equipment such as sensor of elevator self.
The invention provides a kind of parameters of elevator run monitoring method, including
Install acceleration transducer on the elevator car additional, and in fixed time interval, read described acceleration transducer
Acceleration；
The integrated acceleration read is obtained instantaneous velocity V (t) of elevator, and instantaneous velocity V (t) to elevator
Integration obtains immediate movement S (t)；
According to formula: height+∑ S (t) of the height=reference mark of elevator, obtain the height of current time elevator,
Wherein ∑ S (t) is the displacement that elevator accumulation runs.
Further, also comprise determining whether to read reference mark；
When reading reference mark, the height of described elevator is set to the height of reference mark, to elevator
Displacement ∑ S (t) that accumulation runs resets, with calibrated altitude.
Further, when reading reference mark, if this brief acceleration is 0, then by the instantaneous velocity of elevator
V (t) is set to 0, to correct the speed of elevator.
Further, described reference mark is the base station layer mark of the base station layer being arranged on elevator, and employing is arranged on
The base station layer mark of lift car reads sensor and reads described base station layer mark.
Further, described acceleration transducer is MEMS single-axis acceleration sensors.
Further, described fixed time interval is less than 10ms.
Further, described in obtain current time elevator height after, also include:
Read the preset each floor height with reference mark interval for the height with reference to place；
With the height interval at each floor place, the height of the described current time elevator obtained is carried out district join, will
The floor that floor corresponding belonging to the height interval matched is currently located as elevator.
Present invention also offers a kind of parameters of elevator run monitoring device, including
Read module, for reading the acceleration of acceleration transducer in fixed time interval, wherein acceleration passes
Sensor is installed on the elevator car；
Integration module, the integrated acceleration for reading read module obtains instantaneous velocity V (t) of elevator,
And instantaneous velocity V (t) integration of elevator is obtained immediate movement S (t)；
Computing module, for according to formula: height+∑ S (t) of the height=reference mark of elevator, is calculated
The height of current time elevator, wherein ∑ S (t) is the displacement that elevator accumulation runs.
Further, also include:
Judge module, is used for judging whether to read reference mark；
Correction module, for when judge module determines and reads reference mark, by the height of described elevator
The height being set to reference mark, displacement ∑ S (t) running elevator accumulation reset, to correct the height of elevator
Degree；
And, for when judge module determines and reads reference mark, if this brief acceleration is 0, then
Instantaneous velocity V (t) of elevator is set to 0, to correct the speed of elevator.
Further, described reference mark is the base station layer mark of the base station layer being arranged on elevator, and employing is arranged on
The base station layer mark of lift car reads sensor and reads described base station layer mark, and described acceleration transducer is
MEMS single-axis acceleration sensors, described fixed time interval is less than 10ms.
Beneficial effects of the present invention:
The embodiment of the present invention, mainly utilizes acceleration that acceleration transducer measures and coordinates certain algorithm,
Achieve the monitoring of the operational factor to elevator (referring mainly to speed and height), this kind of mode, it is only necessary to
Install an acceleration transducer on elevator additional, therefore install and easily realize, and acceleration transducer pair
Installation site, condition and working environment all do not have strict restriction, it is easier to realize, acceleration sensing simultaneously
Device also will not and the existing sensor of elevator self between formed interference, elevator therefore can be avoided from belt sensor
And the interference between additional sensor.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the schematic flow sheet of the first embodiment of the parameters of elevator run monitoring method that the present invention provides.
Fig. 2 is the schematic flow sheet of the second embodiment of the parameters of elevator run monitoring method that the present invention provides.
Fig. 3 is the structural representation of the first embodiment of the parameters of elevator run monitoring device that the present invention provides.
Fig. 4 is the structural representation of the second embodiment of the parameters of elevator run monitoring device that the present invention provides.
Fig. 5 is the structural representation of the embodiment of the parameters of elevator run monitoring system that the present invention provides
Detailed description of the invention
Refer to Fig. 1, be the flow process of the first embodiment of the parameters of elevator run monitoring method that the present invention provides
Schematic diagram, comprising:
Step S11, in fixed time interval, read the accekeration of acceleration transducer.
Wherein, acceleration transducer is installed on monitored lift car, is used for measuring elevator vertical direction
On acceleration, this acceleration transducer can be MEMS single-axis acceleration sensors.
Wherein, fixed time interval be less than 10ms, it is achieved time one intervalometer can be set, this intervalometer is every 10ms
Producing an interruption, step S11 can read the acceleration of random time between every twice interruption continuously.
Step S12, the integrated acceleration read is obtained instantaneous velocity V (t) of elevator, and the wink to elevator
Shi Sudu V (t) integration obtains immediate movement S (t).
Step S13, according to formula: height+∑ S (t) of the height=reference mark of elevator, be calculated current
The height of moment elevator.
Wherein, ∑ S (t) is the displacement that elevator accumulation runs, and wherein S (t) has directivity, such as: elevator
Run up, then S (t) is just, elevator runs downwards, then S (t) is negative.
Wherein, displacement ∑ S (t) of the operation of elevator accumulation refers to for reference mark position,
In the position at reference mark place, ∑ S (t)=0.
Wherein, reference mark can be arranged in elevator any layer, and particular location can be on guide rail, and it is high
Degree is fixing, writes in systems in advance, directly reads when needing, and reference mark can be reflective material
Material or magnetics, the reading of reference mark can utilize the corresponding sensor arranged on the elevator car real
Existing.
Wherein, reference mark can be the base station layer mark being arranged on the base station layer of elevator, and general elevator is all
Base station layer mark can be set, and utilize base station layer mark reading sensor to realize the detection of base station layer mark, will
Reference mark uses base station layer mark to realize, and the existing structure of elevator is not had any change, it is easy to accomplish,
And it is cost-effective.
The height that mainly make use of preset reference mark in systems carries out elevator height
Calculate, when the effect that reference mark is other simultaneously is it may also is that run instantaneous velocity and high computational to elevator
The cumulative errors produced are corrected, and reach the purpose of more accurate calculation.Wherein, in above-mentioned steps S11-
In S13 during the execution of arbitrary step, all can perform following flow process: a, judge whether to read benchmark
Mark.B, when a determines and reads reference mark, the height of elevator is set to reference mark height,
Displacement ∑ S (t) running elevator accumulation resets, to correct elevator height, further, if now elevator
Acceleration is 0, then instantaneous velocity V (t) of elevator is set to 0, to correct the speed of elevator；Namely
Saying, calculating and correction to elevator immediate movement with height can synchronize to carry out, the strongest between the two
Strong precedence relationship.
After step S13 obtains the height of elevator, it is also possible to utilize this highly to realize elevator place floor
Calculate, and be to determine to provide elevator floor to provide another kind of simple thinking, wherein as in figure 2 it is shown,
After step s 13, may further include:
Step S14, to read preset each floor with the height of reference mark be interval with reference to the height at place.
Step S15, the height interval of the height of the current time elevator obtained Yu each floor place is carried out district
Join, the floor that floor corresponding belonging to the height interval that will match to is currently located as elevator.
For example, it is assumed that reference mark is base station layer mark, its height is 0m.Assume 1st floor corresponding height
Degree interval be [0m, 3m), 2nd floors corresponding height respect be [3m, 6m), 3rd floors corresponding height interval is
[6m, 9m), the height interval that the 1 building is corresponding be [-3m, 0m), and certain moment use step S11-step S13
Mode determine that the height of elevator is 3.5m, then use the method for step S14 and step S15 may determine that
It is 2nd floors that elevator is currently located floor, and this floor number obtained can be supplied to other system (such as: elevator
Control system) etc. use.
The present embodiment, mainly utilizes acceleration that acceleration transducer measures and coordinates certain algorithm, it is achieved
Monitoring to the operational factor (referring mainly to speed and height) of elevator, this kind of mode, it is only necessary at elevator
On install an acceleration transducer additional, therefore install and easily realize, and acceleration transducer is to installation
Position, condition and working environment all do not have strict restriction, it is easier to realizing, acceleration transducer is also simultaneously
Will not and the existing sensor of elevator self between form interference, elevator therefore can be avoided with outer from belt sensor
Add the interference between sensor.It addition, the present embodiment also utilizes reference mark that elevator is run instantaneous velocity and height
The cumulative errors produced when degree calculates are corrected, to reach the purpose of more accurate calculation.
Refer to Fig. 3, be the structure of the first embodiment of the parameters of elevator run monitoring device that the present invention provides
Schematic diagram, comprising:
Read module 1, for reading the accekeration of acceleration transducer in fixed time interval.
Wherein, acceleration transducer is installed on monitored lift car, is used for measuring elevator vertical direction
On acceleration, this acceleration transducer can be MEMS single-axis acceleration sensors.
Wherein, fixed time interval be less than 10ms, it is achieved time one intervalometer can be set, this intervalometer is every 10ms
Producing an interruption, step S11 can read the acceleration of random time between every twice interruption continuously.
Integration module 2, for obtaining instantaneous velocity V (t) of elevator, and to electricity to the integrated acceleration read
Instantaneous velocity V (t) integration of ladder obtains immediate movement S (t).
Computing module 3, for according to formula: height+∑ S (t) of the height=reference mark of elevator, calculates
Height to current time elevator.
Wherein, ∑ S (t) is the displacement that elevator accumulation runs, and wherein S (t) has directivity, such as: elevator
Run up, then S (t) is just, elevator runs downwards, then S (t) is negative.
Wherein, displacement ∑ S (t) of the operation of elevator accumulation refers to for reference mark position,
In the position at reference mark place, ∑ S (t)=0.
Wherein, reference mark can be arranged in elevator any layer, and its height is fixing, writes in advance and is
In system, directly reading when needing, reference mark can be reflectorized material or magnetics, reference mark
Reading can utilize and corresponding sensor on the elevator car is set realizes.
Wherein, reference mark can be the base being arranged on the base station layer of elevator (such as: base station layer guide rail)
Standing layer mark, general elevator all can arrange base station layer mark, and utilizes base station layer mark to read sensor to realize
The detection of base station layer mark, uses reference mark base station layer mark to realize, does not has the existing structure of elevator
Any change, it is easy to accomplish, and cost-effective.
The height that mainly make use of preset reference mark in systems in processing module 3 carries out elevator height
Calculating, reference mark is other simultaneously effect is it may also is that run instantaneous velocity and high computational to elevator
Time produce cumulative errors be corrected, reach the purpose of more accurate calculation.
Wherein, such as Fig. 4, also include:
Judge module 4, is used for judging whether to read reference mark.
Correction module 5, for when judge module 4 determines and reads reference mark, by the height of elevator
Being set to the height of reference mark, displacement ∑ S (t) running elevator accumulation resets, to correct elevator height,
If the most now accelerating is 0, then instantaneous velocity V (t) of elevator is set to 0, to correct the wink of elevator
Shi Sudu；It is to say, calculating and correction to elevator immediate movement with height can synchronize to carry out,
There is no strong precedence relationship between the two.
After processing module 3 obtains the height of elevator, it is also possible to utilize this highly to realize elevator place floor
Calculating, and be to determine to provide elevator floor to provide the most real another kind of simple thinking, it may be assumed that processing module 3
Read the preset each floor height with reference mark interval and current by obtain for the height with reference to place
The height interval at the height of moment elevator and each floor place carries out district and joins, belonging to the height interval that will match to
The floor that corresponding floor is currently located as elevator.
For example, it is assumed that reference mark is base station layer mark, its height is 0m.Assume 1st floor corresponding height
Degree interval be [0m, 3m), 2nd floors corresponding height respect be [3m, 6m), 3rd floors corresponding height interval is
[6m, 9m), the height interval that the 1 building is corresponding be [-3m, 0m), and certain moment use step S11-step S13
Mode determine that the height of elevator is 3.5m, then use the method for step S14 and step S15 may determine that
It is 2nd floors that elevator is currently located floor, and this floor number obtained can be supplied to other system (such as: elevator
Control system) etc. use.
The present embodiment, mainly utilizes acceleration that acceleration transducer measures and coordinates certain algorithm, it is achieved
Monitoring to the operational factor (referring mainly to speed and height) of elevator, this kind of mode, it is only necessary at elevator
On install an acceleration transducer additional, therefore install and easily realize, and acceleration transducer is to installation
Position, condition and working environment all do not have strict restriction, it is easier to realizing, acceleration transducer is also simultaneously
Will not and the existing sensor of elevator self between form interference, elevator therefore can be avoided with outer from belt sensor
Add the interference between sensor.It addition, the present embodiment also utilizes reference mark that elevator is run instantaneous velocity and height
The cumulative errors produced when degree calculates are corrected, to reach the purpose of more accurate calculation.
Refer to Fig. 5, be the structural representation of the embodiment of the parameters of elevator run monitoring system that the present invention provides
Figure, comprising: MEMS acceleration transducer 11, speed A/D converter 12, central processing unit 13, calibration
Device 14 and output interface 15.
Wherein, MEMS acceleration transducer 11 is installed on the elevator car, for measuring the acceleration of elevator.
Wherein, speed A/D converter 12, for the simulation letter collected by MEMS acceleration transducer 11
The acceleration of number form is converted to the acceleration of digital signal form, and is supplied to central processing unit 13.
Wherein, central processing unit 13 mainly uses the mode shown in Fig. 1 to calculate speed and the height of elevator.
Wherein, calibrating installation 14 mainly uses the correcting mode related in Fig. 2 to the speed of elevator and highly to enter
Row correction.
Wherein, output interface 15 is mainly used in calculating to other system or display or miscellaneous equipment output
The speed arrived and elevation information.
The present embodiment, by modern MEMS acceleration sensing technology and CPU high speed processing ability, by special spy
Fixed algorithm realizes elevator instantaneous velocity and elevator moving displacement, thus obtain lift car the speed of service and
Elevator floor, and MEMS acceleration sensing fundamentally solves the problem that additional sensor exists, the most also
Existing elevator technology is made to be highly improved.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although
With reference to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from technical solution of the present invention
Objective and scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (8)
1. a parameters of elevator run monitoring method, is characterised by: include
Install acceleration transducer on the elevator car additional, and in fixed time interval, read the acceleration of described acceleration transducer；
The integrated acceleration read is obtained instantaneous velocity V (t) of elevator, and instantaneous velocity V (t) integration of elevator is obtained immediate movement S (t)；
According to formula: height+∑ S (t) of the height=reference mark of elevator, obtaining the height of current time elevator, wherein ∑ S (t) is the displacement that elevator accumulation runs；
Wherein, S (t) has directivity, and elevator runs up, and S (t) is that just elevator runs downwards, then S (t) is negative；Displacement ∑ S (t) of the operation of elevator accumulation is when the position at reference mark place, and ∑ S (t)=0, reference mark is arranged in elevator any layer；
Also include:
Judge whether to read reference mark；
When reading reference mark, the height of described elevator being set to the height of reference mark, displacement ∑ S (t) running elevator accumulation resets, with calibrated altitude.
2. parameters of elevator run monitoring method as claimed in claim 1, it is characterised in that: when reading reference mark, if this brief acceleration is 0, then instantaneous velocity V (t) of elevator is set to 0, to correct the speed of elevator.
3. parameters of elevator run monitoring method as claimed in claim 1 or 2, it is characterised in that: described reference mark is the base station layer mark of the base station layer being arranged on elevator, uses the base station layer mark being arranged on lift car to read sensor and reads described base station layer mark.
4. the parameters of elevator run monitoring method as according to any one of claim 1-2, it is characterised in that: described acceleration transducer is MEMS single-axis acceleration sensors.
5. the parameters of elevator run monitoring method as according to any one of claim 1-2, it is characterised in that: described fixed time interval is less than 10ms.
6. the parameters of elevator run monitoring method as according to any one of claim 1-2, it is characterised in that after obtaining the height of current time elevator described in:, also include:
Read the preset each floor height with reference mark interval for the height with reference to place；
With the height interval at each floor place, the height of the described current time elevator obtained is carried out district join, the floor that floor corresponding belonging to the height interval that will match to is currently located as elevator.
7. a parameters of elevator run monitoring device, is characterised by: include
Read module, for reading the acceleration of acceleration transducer in fixed time interval, wherein acceleration transducer is installed on the elevator car；
Integration module, the integrated acceleration for reading read module obtains instantaneous velocity V (t) of elevator, and instantaneous velocity V (t) integration of elevator is obtained immediate movement S (t)；
Computing module, for according to formula: height+∑ S (t) of the height=reference mark of elevator, is calculated the height of current time elevator, and wherein ∑ S (t) is the displacement that elevator accumulation runs；
Wherein, S (t) has directivity, and elevator runs up, and S (t) is that just elevator runs downwards, then S (t) is negative；Displacement ∑ S (t) of the operation of elevator accumulation is when the position at reference mark place, and ∑ S (t)=0, reference mark is arranged in elevator any layer；
Also include:
Judge module, is used for judging whether to read reference mark；
Correction module, for when judge module determines and reads reference mark, is set to the height of reference mark, displacement ∑ S (t) clearing to elevator accumulation operation, to correct the height of elevator by the height of described elevator；
And, for when judge module determines and reads reference mark, if this brief acceleration is 0, then instantaneous velocity V (t) of elevator is set to 0, to correct the speed of elevator.
8. parameters of elevator run monitoring device as claimed in claim 7, it is characterized in that: described reference mark is the base station layer mark of the base station layer being arranged on elevator, use the base station layer mark being arranged on lift car to read sensor and read described base station layer mark, described acceleration transducer is MEMS single-axis acceleration sensors, and described fixed time interval is less than 10ms.
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| CN201310359262.2A CN104370175B (en) | 2013-08-16 | 2013-08-16 | Parameters of elevator run monitoring method and device |
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| CN201310359262.2A CN104370175B (en) | 2013-08-16 | 2013-08-16 | Parameters of elevator run monitoring method and device |
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| CN105984764B (en) * | 2015-02-27 | 2019-05-28 | 株式会社日立制作所 | Lift appliance |
| CN105293233A (en) * | 2015-10-21 | 2016-02-03 | 上海智显光电科技有限公司 | Novel elevator storey and up-down direction detection method and device |
| CN105293223B (en) * | 2015-12-01 | 2017-06-06 | 中国联合网络通信集团有限公司 | elevator floor automatic obtaining method and device |
| CN106698138B (en) * | 2017-03-14 | 2019-04-02 | 广东道远合力物联有限公司 | Elevator running state detection device and detection method |
| CN107555273A (en) * | 2017-07-21 | 2018-01-09 | 浙江新再灵科技股份有限公司 | The detection method of elevator operation is realized based on sensor |
| CN107777495A (en) * | 2017-09-29 | 2018-03-09 | 上海有个机器人有限公司 | A kind of elevator floor automatic identifying method, system and control terminal |
| CN107555275A (en) * | 2017-09-29 | 2018-01-09 | 上海有个机器人有限公司 | A kind of elevator floor automatic identifying method, system and control terminal |
| CN107539852A (en) * | 2017-09-29 | 2018-01-05 | 上海有个机器人有限公司 | A kind of elevator floor automatic identifying method, system and control terminal |
| EP3527522B1 (en) * | 2018-02-15 | 2021-06-02 | KONE Corporation | A method for preventive maintenance of an elevator and an elevator system |
| EP3650389B1 (en) * | 2018-11-12 | 2023-12-27 | Otis Elevator Company | Method and device for monitoring an elevator system |
| CN109179114A (en) * | 2018-11-14 | 2019-01-11 | 四川长虹电器股份有限公司 | A kind of method that synchronous elevator floor is shown |
| EP3663248B1 (en) * | 2018-12-03 | 2022-05-11 | Otis Elevator Company | Device and method for monitoring an elevator system |
| CN112027837B (en) * | 2020-07-27 | 2021-10-08 | 猫岐智能科技（上海）有限公司 | Method for calculating real-time speed and distance of elevator |
| CN112938668B (en) * | 2021-01-29 | 2023-03-28 | 广东卓梅尼技术股份有限公司 | Method for measuring running height of elevator |
| CN112938673B (en) * | 2021-02-20 | 2022-04-01 | 上海吉盛网络技术有限公司 | Method for displaying elevator movement by continuous image using uninterrupted position data |
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