CN105712142A - Elevator operating state detection system and method - Google Patents
Elevator operating state detection system and method Download PDFInfo
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- CN105712142A CN105712142A CN201610165746.7A CN201610165746A CN105712142A CN 105712142 A CN105712142 A CN 105712142A CN 201610165746 A CN201610165746 A CN 201610165746A CN 105712142 A CN105712142 A CN 105712142A
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- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000001133 acceleration Effects 0.000 claims abstract description 100
- 230000000630 rising effect Effects 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 17
- 230000000284 resting effect Effects 0.000 claims description 17
- 230000002085 persistent effect Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
The invention provides an elevator operating state detection system and method. The elevator operating state detection system comprises a three-axis acceleration sensor, an atmospheric pressure sensor, an acceleration computing module, a speed computing module, a height computing module and a judging module. The three-axis acceleration sensor is used for measuring operating acceleration of an elevator. The atmospheric pressure sensor is used for measuring the atmospheric pressure in the operating process of the elevator. The acceleration computing module is used for computing acceleration of the elevator in the operating direction based on data of the three-axis acceleration sensor. The speed computing module is used for computing the speed within a fixed time frame based on the acceleration obtained through the acceleration computing module. The height computing module is used for working out the current altitude based on the current atmospheric pressure measured by the atmospheric pressure sensor. The judging module is used for judging the operating state of the elevator according to the operating speed, the acceleration and the time of duration of the elevator. By the adoption of the elevator operating state detection system and method, the parameters are self-adaptive, and debugging is not needed for users; and the non-intrusive detection manner is independent of an elevator control system, operation of the elevator is not interfered, and safety is enhanced.
Description
Technical field
The present invention relates to the detection system of a kind of elevator operation and detection method, belong to technical field of electricity.
Background technology
In elevator, the device category of state-detection is various, such as acceleration test instrument, floor indicator, these equipment are generally adopted acceleration transducer, or photoelectric sensor, mostly volume is relatively big, expensive and installation site is limited to some extent, it is arranged on the outer top of lift car, it is necessary to special elevator service personnel just can be installed as the existing product for floor detection generally requires.These equipment are generally only used for elevator faults detection, it is difficult to be embedded in other equipment needing elevator real time data.The real-time detection apparatus of modularity insertion type wants cube little, easy for installation, compatible strong, reliability and safety are high, can effectively overcome and running process of elevator exists various uncertain factor, for instance the vibrations etc. during on-board and off-board, not yet have this series products to occur at present.
Summary of the invention
It is an object of the invention to carry
Present invention employs following technical scheme:
The present invention provides the detection system of a kind of elevator operation, it is characterised in that including: 3-axis acceleration sensor, measures the acceleration that elevator runs；Atmosphere pressure sensor, measures the atmospheric pressure in running process of elevator；Acceleration calculation module, uses the data of 3-axis acceleration sensor to calculate elevator acceleration on traffic direction；Speed calculation module, utilizes the speed in the acceleration calculation fixed length time that acceleration calculation module obtains；High computational module, the current atmospheric pressure utilizing described atmosphere pressure sensor measurement to arrive, calculate current altitude；Judge module, judges elevator operation according to the speed of service of elevator, acceleration and persistent period.
The present invention also provides for the detection method of a kind of elevator operation, it is characterised in that comprise the following steps:
Step one, judge whether elevator starts: judge whether elevator starts according to elevator speed, if speed is more than the first predetermined percentage of the hourly velocity that at the uniform velocity rises, then state is switched to rising and starts undetermined；
Step 2, judge elevator whether rise start undetermined: whether detection elevator speed maintains the second predetermined percentage of the hourly velocity that at the uniform velocity rises in the predetermined percentage accelerating the rise time, if then switching to acceleration propradation, if it is not, be then identified as noise jamming to return resting state；
Step 3, accelerate to rise: the persistent period of record accelerator, detection acceleration whether in the predetermined percentage accelerating the rise time continuously less than the 3rd predetermined percentage of the peak acceleration of record, if then switching at the uniform velocity state；
Step 4, judge whether elevator at the uniform velocity rises: detection acceleration, whether less than the 4th predetermined percentage of deceleration uphill process acceleration minima in record data, is switching to rising braking undetermined；
Step 5, rising are braked undetermined: whether detection acceleration maintains less than the 5th predetermined percentage of deceleration uphill process acceleration minima in the predetermined percentage of rise time of slowing down, it is switch to deceleration and rise, is otherwise identified as noise jamming return and at the uniform velocity rises；
Step 6, slowing down rises, and records the moderating process persistent period, and whether detection acceleration, more than the 6th predetermined percentage of rising moderating process acceleration minima, is switch to static state undetermined；
Step 7, static undetermined, whether detection acceleration maintains the 7th predetermined percentage more than rising moderating process acceleration minima in the predetermined percentage of rise time of slowing down, and is switch to resting state；
The detection that elevator is descending, corresponding with up detection, start including declining undetermined, accelerate to decline, uniform descent, the braking that declines is undetermined, slows down and declines, and static several states undetermined, and detection mode is corresponding with up each step respectively with parameter.
Further, the detection method of the elevator operation of the present invention, it is also possible to have a feature in that in step one, if state is switched to rising and starts undetermined by speed more than the 10% of the hourly velocity that at the uniform velocity rises.
Further, the detection method of the elevator operation of the present invention, it is also possible to have a feature in that in step 2, if state is switched to acceleration propradation accelerating to maintain more than the 5% of the hourly velocity that at the uniform velocity rises in the 10% of rise time by elevator speed.
Further, the detection method of the elevator operation of the present invention, it is also possible to have a feature in that when elevator is positioned at resting state, carries out the deviation calibration of sensor, eliminates the impact of air pressure diurnal variation and device micrometric displacement.
Further, the detection method of the elevator operation of the present invention, it is also possible to have a feature in that when elevator is in running status, acceleration is carried out continuous integral, obtain speed and displacement, the height segmentation comparison that it and barometer are obtained, elevator height is carried out self-inspection.
Further, the detection method of the elevator operation of the present invention, can also have a feature in that elevator run one good working condition week after date, absolute altitude according to current floor and relative altitude update the absolute altitude of reference floor, the concordance list of floor relative altitude is set up automatically, and dynamically updates.
Further, the detection method of the elevator operation of the present invention, it is also possible to have a feature in that the recording status persistent period in acceleration and moderating process, contrast with the meansigma methods of acceleration or deceleration 3 times respectively, if error is more than 50%, enter error status.
Further, the detection method of the elevator operation of the present invention, it is also possible to the parameter value in these several cycles comprehensive preserving after having a feature in that the multiple complete cycle of continuous normal operation.
Further, the detection method of the elevator operation of the present invention, can also have a feature in that wherein, forming state machine according to step one to seven, each State Transferring of state machine is as follows: resting state → risings start undetermined → accelerate to rise → braking that at the uniform velocity rises → rise is undetermined → rising of slowing down → static undetermined → static；Or
Resting state → decline start undetermined → accelerate declines → uniform descent → declines braking undetermined → deceleration decline → static undetermined → static.
The beneficial effect of the invention
A kind of detection method of the elevator operation of the present invention:
1. compare general elevator detector, be greatly reduced detection module volume, without the particular/special requirement of installation site and installation direction, use simple digital interface (I2C and USB) to improve compatibility, it is simple to be embedded in other equipment as functional module.
2. parameter adaptive, it is not necessary to user debugs.
3. have employed the detection mode of non-intrusion type independent with apparatus for controlling elevator, do not disturb elevator to run, enhance safety.
4., by the mode of integration by data sequentialisation, improve stability and the sensitivity of state-detection.
5. simplify the dependence to initial data and wave filter, reduce the requirement to sensor performance, reduce cost.
Accompanying drawing explanation
Fig. 1 is the internal state machine schematic diagram of the detection method of elevator operation；
Fig. 2 is the external state machine schematic diagram of the detection method of elevator operation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
First the detection system of elevator operation is introduced, comprising:
3-axis acceleration sensor, measures the acceleration in running process of elevator.Atmosphere pressure sensor, measures the atmospheric pressure in running process of elevator.Acceleration calculation module, uses the data of 3-axis acceleration sensor to calculate elevator acceleration on traffic direction.Speed calculation module, utilizes the speed in the acceleration calculation fixed length time that acceleration calculation module obtains.High computational module, the current atmospheric pressure utilizing described atmosphere pressure sensor measurement to arrive, calculate current altitude；Judge module, judges elevator operation according to the speed of service of elevator and persistent period.The detection system of elevator operation uses simple digital interface (I2C and USB) to improve compatibility, it is simple to be embedded in other equipment as functional module.
Further, the detection method of the elevator operation of present embodiment, comprise the following steps:
In step 2, if state is switched to acceleration propradation accelerating to maintain more than the 5% of the hourly velocity that at the uniform velocity rises in the 10% of rise time by elevator speed.
The detection that elevator is descending, corresponding with up detection, start including declining undetermined, accelerate to decline, uniform descent, the braking that declines is undetermined, slows down and declines, and static several states undetermined, and detection mode is corresponding with up each step respectively with parameter.
The present invention adopts state machine model, equivalent inner state machine is by elevator present speed and runs highly driving, and integrated correction and the recovery that makes mistakes highly is carried out by barometer with the elevation by being obtained, equivalence external state machine is driven by internal state machine, purpose is to simplify status information, and make State-output stable, as depicted in figs. 1 and 2, model is as follows:
Step 101: resting state
Judge whether elevator starts according to elevator speed, if state is switched to rising and starts undetermined by speed more than the 10% of the hourly velocity that at the uniform velocity rises.
Step 102: rising, it is undetermined to start
Whether detection speed is at acceleration rise time (the initial value 2s of 1/10 times, by real-time update after system worked well) in maintain more than the 5% of the hourly velocity that at the uniform velocity rises, it is switch to acceleration propradation, is otherwise identified as noise jamming and returns resting state.
Step 103: accelerate to rise
Whether detection acceleration is at acceleration rise time (the initial value 2s of 1/10 times, by real-time update after system worked well) interior continuously less than this state acceleration maximum (desirable 0.5m/s2 of initial value in record data, by real-time update after system worked well) 10%, being switch at the uniform velocity state, otherwise state maintains.Record simultaneously and update this process duration and acceleration maximum.
Step 104: at the uniform velocity rise
Detection acceleration whether less than deceleration uphill process acceleration minima in record data (for negative value, the desirable-0.5m/s of initial value2, by real-time update after system worked well) 10%, be, switching to rising braking undetermined, otherwise state maintain.The speed that record renewal at the uniform velocity rise simultaneously.
Step 105: the braking that rises is undetermined
Whether detection acceleration is at deceleration rise time (the desirable 2s of initial value of 1/10 times, by real-time update after system worked well) in maintain less than the 5% of deceleration uphill process acceleration minima, it is switch to deceleration and rise, is otherwise identified as noise jamming return and at the uniform velocity rises.
Step 106: slow down and rise
Whether detection acceleration, more than in record data the 5% of this process acceleration minima, is switch to static state undetermined, and otherwise state maintains.Record simultaneously and update this process duration and acceleration minima.
Step 107: static undetermined
Whether detection acceleration maintains more than the 10% of deceleration uphill process acceleration minima within the deceleration rise time (initial value 2s, by real-time update after system worked well) of 1/10 times, is switch to resting state.Velocity amplitude resets simultaneously.
The descending process of elevator is as follows:
Step 101: resting state
Judge whether elevator starts according to elevator speed, if state is switched to decline and starts undetermined by speed (for negative value) less than the 10% of uniform descent hourly velocity.
Step 108: declining, it is undetermined to start
Whether detection speed is at (initial value 2s acceleration fall time of 1/10 times, by real-time update after system worked well) in maintain less than the 5% of uniform descent hourly velocity, it is switch to acceleration decline state, is otherwise identified as noise jamming and returns resting state.
Step 109: accelerate to decline
Whether detection acceleration is continuous in this state acceleration (desirable-0.5m/s of initial value in record data within the acceleration fall time (initial value 2s, by real-time update after system worked well) of 1/10 times2, by real-time update after system worked well) minima 10%, be switch at the uniform velocity state, otherwise state maintain.Record simultaneously and update this process duration and acceleration minima.
Step 110: uniform descent
Whether detection acceleration is more than deceleration decline process acceleration maximum (the desirable 0.5m/s of initial value in record data2, by real-time update after system worked well) 10%, be, switching to rising braking undetermined.
Step 111: the braking that declines is undetermined
Whether detection acceleration is at (initial value 2s deceleration fall time of 1/10 times, by real-time update after system worked well) in maintain more than the 5% of deceleration decline process acceleration maximum, be switch to deceleration decline state. be otherwise identified as noise jamming return uniform descent state.
Step 112: slow down and decline
Whether detection acceleration, less than in record data the 5% of this process acceleration maximum, is switch to static state undetermined, and otherwise state maintains.Record simultaneously and update this process duration and acceleration maximum.
Step 107: static undetermined
Whether detection acceleration maintains less than the 10% of deceleration decline process acceleration maximum within the fall time of slowing down of 1/10 times, is switch to resting state.Velocity amplitude resets simultaneously.
Error correction and Fault recovery
1. will carry out the deviation calibration of sensor when state machine is positioned at resting state, revise zero inclined.The impact that elimination air pressure diurnal variation and device micrometric displacement bring.
2. a good working condition cycle will update the absolute altitude floor of reference floor according to current floor absolute altitude (height above sea level) and relative altitude.The concordance list of relative altitude is set up automatically, and dynamically updates.Reference floor is ground floor.
3. the recording status persistent period in acceleration and deceleration process, contrast with the meansigma methods of acceleration and deceleration 3 times, if error is more than 50%, enter error status.
4. during elevator nonstatic state, the shift value obtained by acceleration dual-integration and the calculated lifting height of barometer are carried out segmentation contrast, it is possible to be set to apart from every 2m or time at interval of 1s.
5. waiting after makeing mistakes that elevator stops, recovering each parameter is default value, recovers state machine.The arm's length standard of present embodiment is that in 1s, accekeration is stable at 0.1m/s2Hereinafter, and variance less than 0.1.Then it is judged as that elevator is not yet static beyond this value.In other embodiments, above-mentioned each value is determined according to acceleration transducer noise.It is not limited to the numerical value in present embodiment.
6. continuously after the several complete cycle of normal operation by the parameter value in comprehensive several cycles before this and preserve, reach more by more sensitive effect.
External state machine and internal state machine direct correlation, external state machine is reduced to following steps:
Step 201 halted state → step 207 accelerates decline → step 206 uniform descent
Step 201 halted state → step 205 deceleration decline → step 206 uniform descent
Step 201 halted state → step 202 is accelerated rising → step 203 and is at the uniform velocity risen
Step 201 halted state → step 204 deceleration rising → step 203 at the uniform velocity rises.
Real-time Monitoring Data exports
The present invention can externally export abundant real time data by digital interface, except state shown in external state machine, also includes elevator acceleration, speed, relative altitude and floor.
Claims (10)
1. the detection system of an elevator operation, it is characterised in that including:
3-axis acceleration sensor, measures the acceleration that elevator runs；
Atmosphere pressure sensor, measures the atmospheric pressure in running process of elevator；
Acceleration calculation module, uses the data of 3-axis acceleration sensor to calculate elevator acceleration on traffic direction；
Speed calculation module, utilizes the speed in the acceleration calculation fixed length time that acceleration calculation module obtains；
High computational module, the current atmospheric pressure utilizing described atmosphere pressure sensor measurement to arrive, calculate current altitude；
Judge module, judges elevator operation according to the speed of service of elevator, acceleration and persistent period.
2. the detection method of an elevator operation, it is characterised in that comprise the following steps:
Step one, judge whether elevator starts: judge whether elevator starts according to elevator speed, if speed is more than the first predetermined percentage of the hourly velocity that at the uniform velocity rises, then state is switched to rising and starts undetermined；
Step 2, judge elevator whether rise start undetermined: whether detection elevator speed maintains the second predetermined percentage of the hourly velocity that at the uniform velocity rises in the predetermined percentage accelerating the rise time, if then switching to acceleration propradation, if it is not, be then identified as noise jamming to return resting state；
Step 3, accelerate to rise: the persistent period of record accelerator, detection acceleration whether in the predetermined percentage accelerating the rise time continuously less than the 3rd predetermined percentage of the peak acceleration of record, if then switching at the uniform velocity state；
Step 4, judge whether elevator at the uniform velocity rises: detection acceleration, whether less than the 4th predetermined percentage of deceleration uphill process acceleration minima in record data, is switching to rising braking undetermined；
Step 5, rising are braked undetermined: whether detection acceleration maintains less than the 5th predetermined percentage of deceleration uphill process acceleration minima in the predetermined percentage of rise time of slowing down, it is switch to deceleration and rise, is otherwise identified as noise jamming return and at the uniform velocity rises；
Step 6, slowing down rises, and records the moderating process persistent period, and whether detection acceleration, more than the 6th predetermined percentage of rising moderating process acceleration minima, is switch to static state undetermined；
Step 7, static undetermined, whether detection acceleration maintains the 7th predetermined percentage more than rising moderating process acceleration minima in the predetermined percentage of rise time of slowing down, and is switch to resting state；
The detection that elevator is descending, corresponding with up detection, start including declining undetermined, accelerate to decline, uniform descent, the braking that declines is undetermined, slows down and declines, and static several states undetermined, and detection mode is corresponding with up each step respectively with parameter.
3. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
In step one, if state is switched to rising and starts undetermined by speed more than the 10% of the hourly velocity that at the uniform velocity rises.
4. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
In step 2, if state is switched to acceleration propradation accelerating to maintain more than the 5% of the hourly velocity that at the uniform velocity rises in the 10% of rise time by elevator speed.
5. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
When elevator is positioned at resting state, carry out the deviation calibration of sensor, eliminate the impact of air pressure diurnal variation and device micrometric displacement.
6. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
When elevator is in running status, acceleration is carried out continuous integral, obtain speed and displacement, the height segmentation comparison that it and barometer are obtained, elevator height is carried out self-inspection.
7. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
Elevator run one good working condition week after date, update the absolute altitude of reference floor according to the absolute altitude of current floor and relative altitude, the concordance list of floor relative altitude is set up automatically, and dynamically updates.
8. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
Accelerate and the recording status persistent period in moderating process, respectively with the meansigma methods contrast of the acceleration or deceleration of first three time, if error is more than 50%, enter error status.
9. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
The parameter value in these several cycles comprehensive preserving after the multiple complete cycle of continuous normal operation.
10. the detection method of elevator operation as claimed in claim 2, it is characterised in that:
Wherein, forming state machine according to step one to seven, each State Transferring of state machine is as follows:
Resting state → rising start undetermined → accelerate to rise → braking that at the uniform velocity rises → rise is undetermined → slow down rise → static undetermined → static；Or
Resting state → decline start undetermined → accelerate declines → uniform descent → declines braking undetermined → deceleration decline → static undetermined → static.
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| CN201610165746.7A CN105712142B (en) | 2016-03-22 | 2016-03-22 | The detecting system and detection method of a kind of elevator operation |
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| CN201610165746.7A CN105712142B (en) | 2016-03-22 | 2016-03-22 | The detecting system and detection method of a kind of elevator operation |
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| CN109264526A (en) * | 2018-11-15 | 2019-01-25 | 上海麦信数据科技有限公司 | A kind of combined type level transducer applied to elevator |
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