CN112093608A - Elevator trapped person alarm algorithm - Google Patents
Elevator trapped person alarm algorithm Download PDFInfo
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- CN112093608A CN112093608A CN202010885505.6A CN202010885505A CN112093608A CN 112093608 A CN112093608 A CN 112093608A CN 202010885505 A CN202010885505 A CN 202010885505A CN 112093608 A CN112093608 A CN 112093608A
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- Prior art keywords
- car
- door
- car door
- timer
- alarm
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
Abstract
The invention discloses an elevator trapping alarm algorithm, which comprises the following steps: s1: periodically reading data of a motion sensor arranged on the car door, and calculating the horizontal and vertical motion data of the car door; s2: a living body sensor is arranged in the lift car, whether a person exists is monitored in real time, and corresponding signal information is kept; s3: when a person is in the lift car, the timer is started when the lift car door is closed, the timer is stopped and cleared when the lift car starts to move, an alarm trigger signal is generated when the timing process of the timer exceeds a set value, and an alarm is started; the elevator runs independently, is not influenced by elevator faults, does not interfere with the running of the elevator, and is safer; the running state of the car and the running state of the car door are calculated simultaneously by adopting one sensor, so that the structure is simpler, and the cost is lower; the automatic alarm is automatically calculated without the need of personnel on duty.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator people trapping alarm algorithm.
Background
Although the traditional domestic elevator is forcing the five-party intercom system, the situation that people are trapped but cannot be connected often occurs because all parties work manually, and particularly the situation that people cannot be connected is more when people are trapped at night. Some elevators do not have a five-way intercom system or are simply an arrangement.
Because the support of technical means is not available, when people are trapped, the trapped people cannot contact with the outside because the trapped people cannot be pacified in time, the elevator is closed, and some people even have no mobile phone signals. The accident of secondary accidents caused by panic and irrational self-rescue of the trapped people also occurs, and particularly psychological disorder and trauma caused by the trapped children are difficult to treat.
Based on the above, the invention designs an elevator people trapping alarm algorithm to solve the above mentioned problems.
Disclosure of Invention
The invention aims to provide an elevator people trapping alarm algorithm to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme: the elevator trapping alarm algorithm comprises the following steps:
s1: periodically reading data of a motion sensor arranged on the car door, and calculating the horizontal and vertical motion data of the car door;
s2: a living body sensor is arranged in the lift car, whether a person exists is monitored in real time, and corresponding signal information is kept;
s3: when a person is in the car, the timer is started when the car door is closed, the timer is stopped and cleared when the car starts to move, an alarm trigger signal is generated when the timing process of the timer exceeds a set value, and an alarm is started.
Preferably, the data of the motion sensor arranged on the car door is used for continuously acquiring the opening and closing motion data of the car door and the up-and-down motion information of the whole car and the car door, and the state information of the car door, the state of the car and the floor stopping position information are obtained through calculation.
Preferably, the algorithm is as follows:
1) the car door state:
car door position Ld：Ld＝L0+(Vd+Gd×Δt×P)×Δt，
Wherein L is0Is the position of the car door in the previous sampling, VdFor the previously calculated door speed, VdWhere G is the lateral acceleration sample, Q is the lateral acceleration coefficient, G × Δ t × QdThe current transverse acceleration sampling value is obtained, the door opening direction is positive, the door closing direction is negative, delta t is a sampling reading period, and P is a motion curve tangent slope value corresponding to the current sampling point;
2) the motion state of the car:
car speed: vb＝∑G`×Δt×Q`。
Wherein G 'is a vertical acceleration sampling value, Q' is a vertical acceleration coefficient,
car position: sb：＝S0+(Vb+Gb×Δt×P`)×Δt
Wherein S is0Is the position of the car at the previous sampling, VbFor the previously calculated car speed, GbThe current vertical acceleration sampling value is positive upwards and negative downwards, delta t is a sampling reading period, and P' is a tangential slope value of a motion curve corresponding to the current sampling point;
3) a timer alarm algorithm comprising the steps of:
s1: the data of the sensor is read out,
if the car is occupied and the door position L isdWithin a predetermined range, i.e. the door closed position,
timer value T ═ T0+Δt，
Wherein, T0The value is the timer value at the previous sampling time, and delta t is the sampling period;
s2: if VbExceeding a preset range, namely the car is in a running state, and T is 0;
s3: and repeating the steps S1 and S2, and if T exceeds the preset value, starting an alarm.
Compared with the prior art, the invention has the beneficial effects that:
(1) the algorithm of the invention is simple, and a complex computing system is not needed.
(2) The invention operates independently, is not influenced by elevator faults, does not interfere with the operation of the elevator, and is safer.
(3) The invention adopts one sensor to simultaneously calculate the running state of the lift car and the running state of the lift car door, and has simpler structure and lower cost.
(4) The invention does not need to watch, and can automatically calculate and automatically alarm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the elevator trapping alarm algorithm comprises the following steps:
s1: periodically reading data of a motion sensor arranged on the car door, and calculating the horizontal and vertical motion data of the car door;
s2: a living body sensor is arranged in the lift car, whether a person exists is monitored in real time, and corresponding signal information is kept;
s3: when a person is in the car, the timer is started when the car door is closed, the timer is stopped and cleared when the car starts to move, an alarm trigger signal is generated when the timing process of the timer exceeds a set value, and an alarm is started.
The data of the motion sensor arranged on the car door is used for continuously acquiring the opening and closing motion data of the car door and the up-and-down motion information of the whole car and the car door, and the state information of the car door, the state of the car and the floor stop position information are obtained through calculation.
The elevator trapping alarm algorithm comprises the following steps:
1) the car door state:
car door position Ld：Ld＝L0+(Vd+Gd×Δt×P)×Δt，
Wherein L is0Is the position of the car door in the previous sampling, VdFor the previously calculated door speed, VdWhere G is the lateral acceleration sample, Q is the lateral acceleration coefficient, G × Δ t × QdThe current transverse acceleration sampling value is obtained, the door opening direction is positive, the door closing direction is negative, delta t is a sampling reading period, and P is a motion curve tangent slope value corresponding to the current sampling point;
2) the motion state of the car:
car speed: vb＝∑G`×Δt×Q`。
Wherein G 'is a vertical acceleration sampling value, Q' is a vertical acceleration coefficient,
car position: sb：＝S0+(Vb+Gb×Δt×P`)×Δt
Wherein S is0Is the position of the car at the previous sampling, VbFor the previously calculated car speed, GbThe current vertical acceleration sampling value is positive upwards and negative downwards, delta t is a sampling reading period, and P' is a tangential slope value of a motion curve corresponding to the current sampling point;
3) a timer alarm algorithm comprising the steps of:
s1: the data of the sensor is read out,
if the car is occupied and the door position L isdWithin a predetermined range, i.e. the door closed position,
timer value T ═ T0+Δt，
Wherein, T0The value is the timer value at the previous sampling time, and delta t is the sampling period;
s2: if VbBeyond a predetermined range, i.e. the car is in motionState, T ═ 0;
s3: and repeating the steps S1 and S2, and if T exceeds the preset value, starting an alarm.
The specific working principle is as follows:
when the elevator works, the up-and-down movement of the lift car and the lift car door move synchronously, so that the sensor only needs to be installed on the lift car door, when the lift car or the lift car door moves, the sampling value of the motion sensor changes along with the movement, the change values are calculated, the state information of the lift car and the lift car door can be obtained, and whether personnel are trapped or not can be obtained by comprehensively calculating the data of the living body sensor, and whether an alarm action is performed or not can be determined.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. Elevator trapping alarm algorithm, its characterized in that: the method comprises the following steps:
s1: periodically reading data of a motion sensor arranged on the car door, and calculating the horizontal and vertical motion data of the car door;
s2: a living body sensor is arranged in the lift car, whether a person exists is monitored in real time, and corresponding signal information is kept;
s3: when a person is in the car, the timer is started when the car door is closed, the timer is stopped and cleared when the car starts to move, an alarm trigger signal is generated when the timing process of the timer exceeds a set value, and an alarm is started.
2. The elevator drowsiness warning algorithm of claim 1, wherein: and the data of the motion sensor arranged on the car door is used for continuously acquiring the opening and closing motion data of the car door and the up-and-down motion information of the whole car and the car door, and obtaining the state information of the car door, the state of the car and the floor stop position information through calculation.
3. The elevator drowsiness warning algorithm of claim 1, wherein: the algorithm is as follows:
1) the car door state:
car door position Ld：Ld＝L0+(Vd+Gd×Δt×P)×Δt，
Wherein L is0Is the position of the car door in the previous sampling, VdFor the previously calculated door speed, VdWhere G is the lateral acceleration sample, Q is the lateral acceleration coefficient, G × Δ t × QdThe current transverse acceleration sampling value is obtained, the door opening direction is positive, the door closing direction is negative, delta t is a sampling reading period, and P is a motion curve tangent slope value corresponding to the current sampling point;
2) the motion state of the car:
car speed: vb＝∑G`×Δt×Q`。
Wherein G 'is a vertical acceleration sampling value, Q' is a vertical acceleration coefficient,
car position: sb：＝S0+(Vb+Gb×Δt×P`)×Δt
Wherein S is0Is the position of the car at the previous sampling, VbFor the previously calculated car speed, GbFor the current vertical acceleration sample, positive upwardsDownward is negative, delta t is a sampling reading period, and P' is a motion curve tangent slope value corresponding to the current sampling point;
3) a timer alarm algorithm comprising the steps of:
s1: the data of the sensor is read out,
if the car is occupied and the door position L isdWithin a predetermined range, i.e. the door closed position,
timer value T ═ T0+Δt，
Wherein, T0The value is the timer value at the previous sampling time, and delta t is the sampling period;
s2: if VbExceeding a preset range, namely the car is in a running state, and T is 0;
s3: and repeating the steps S1 and S2, and if T exceeds the preset value, starting an alarm.
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| CN202010885505.6A CN112093608A (en) | 2020-08-28 | 2020-08-28 | Elevator trapped person alarm algorithm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132811A (en) * | 2021-11-30 | 2022-03-04 | 广州绰立科技有限公司 | Method and device for detecting trapping of elevator, equipment and storage medium |
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| CN107738966A (en) * | 2017-12-04 | 2018-02-27 | 北京北安时代电梯安装工程有限公司 | A kind of lift car intellectual monitoring autoalarm and method |
| CN110171755A (en) * | 2019-04-30 | 2019-08-27 | 广东寰宇电子科技股份有限公司 | A kind of method and system of lift car state-detection |
| CN110203787A (en) * | 2019-04-30 | 2019-09-06 | 广东寰宇电子科技股份有限公司 | Personnel's extremely stranded detection method and system in a kind of lift car |
| CN211254859U (en) * | 2019-12-13 | 2020-08-14 | 四川科莱信息技术有限公司 | Elevator safety warning system |
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- 2020-08-28 CN CN202010885505.6A patent/CN112093608A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203359716U (en) * | 2013-07-26 | 2013-12-25 | 重庆厚齐科技有限公司 | Multimedia safety monitoring system for elevators |
| CN107738966A (en) * | 2017-12-04 | 2018-02-27 | 北京北安时代电梯安装工程有限公司 | A kind of lift car intellectual monitoring autoalarm and method |
| CN110171755A (en) * | 2019-04-30 | 2019-08-27 | 广东寰宇电子科技股份有限公司 | A kind of method and system of lift car state-detection |
| CN110203787A (en) * | 2019-04-30 | 2019-09-06 | 广东寰宇电子科技股份有限公司 | Personnel's extremely stranded detection method and system in a kind of lift car |
| CN211254859U (en) * | 2019-12-13 | 2020-08-14 | 四川科莱信息技术有限公司 | Elevator safety warning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114132811A (en) * | 2021-11-30 | 2022-03-04 | 广州绰立科技有限公司 | Method and device for detecting trapping of elevator, equipment and storage medium |
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