CN114834989A - Elevator intelligent safety detection system - Google Patents
Elevator intelligent safety detection system Download PDFInfo
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- CN114834989A CN114834989A CN202210592820.9A CN202210592820A CN114834989A CN 114834989 A CN114834989 A CN 114834989A CN 202210592820 A CN202210592820 A CN 202210592820A CN 114834989 A CN114834989 A CN 114834989A
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- elevator
- detection
- air pressure
- detection module
- intelligent
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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
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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
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
- B66B5/125—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack electrical
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
- B66B5/145—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/1223—Checking means specially adapted for ropes or cables by analysing electric variables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an intelligent elevator safety detection system. In the system, a first detection module is used for detecting whether an elevator is overspeed or not, whether the elevator is overloaded or not, whether a steel wire rope slips or not and whether the average air pressure in an elevator car exceeds standard air pressure within a set time period or not; the second detection module is used for detecting whether the difference value between the parameter of each elevator driving component and the corresponding rated data exceeds a set range; the parameters include voltage values and current values; the third detection module is used for acquiring an image of an object in the elevator car when the elevator car door is opened, processing and comparing the image with a pre-stored sample image, and intelligently judging whether an electric car enters the elevator car; the controller is used for controlling the elevator brake according to the detection results of the three detection modules. The elevator safety detection system carries out intelligent safety detection on the elevator from multiple aspects, and improves the safety of elevator operation.
Description
Technical Field
The invention relates to the field of elevator safety, in particular to an elevator intelligent safety detection system.
Background
At present, whether in a manned elevator or a loaded elevator, an elevator overload protection device is generally adopted to ensure the safe operation of the elevator, and the detection of the elevator overload protection device is an important direction for the safety detection of the elevator. However, only the elevator overload protection device is detected, the detection means is single, and potential safety hazards cannot be found from multiple angles, so that the safe operation of the elevator is influenced.
Disclosure of Invention
Based on the above, the embodiment of the invention provides an elevator intelligent safety detection system, which is used for carrying out safety detection on an elevator in multiple aspects and improving the running safety of the elevator.
In order to achieve the purpose, the invention provides the following scheme:
an elevator intelligent safety detection system, comprising: the device comprises a first detection module, a second detection module, a third detection module and a controller; the first detection module, the second detection module and the third detection module are all electrically connected with the controller;
the first detection module is used for detecting whether the elevator is overspeed or not, whether the elevator is overloaded or not, whether a steel wire rope slips or not and whether the average air pressure in the elevator car exceeds the standard air pressure within a set time period or not to obtain a first detection result;
the second detection module is used for detecting whether the difference value between the parameter of each elevator driving component and the corresponding rated data exceeds a set range or not to obtain a second detection result; the parameters include voltage values and current values;
the third detection module is used for acquiring an image of an object in the elevator car when the elevator car door is opened, processing and comparing the image with a pre-stored sample image, and intelligently judging whether an electric car enters the elevator car or not to obtain a third detection result;
the controller is used for controlling an elevator brake according to the first detection result, the second detection result and the third detection result.
Optionally, the first detection module includes:
the device comprises an overspeed detection device, an overload detection device, a steel wire rope slippage intelligent detection device and an air pressure superscript detection device.
Optionally, the second detecting module includes:
a voltage detection unit, a current detection unit and a parameter determination unit; the voltage detection unit and the current detection unit are both electrically connected with the parameter determination unit.
Optionally, the third detecting module includes:
the system comprises a first image acquisition device and a first image processing device; the first image acquisition device is arranged in the elevator car; the first image acquisition device is electrically connected with the first image processing device.
Optionally, the intelligent detection device for steel wire rope slippage comprises:
the second image acquisition device and the second image processing device; the second image acquisition device is arranged in a set range away from the elevator traction machine; the second image acquisition device is electrically connected with the controller and the second image processing device.
Optionally, the first image acquisition device is a high-definition camera.
Optionally, the second image acquisition device is a high-definition camera.
Optionally, the overspeed detection apparatus includes:
a speed sensor and a speed determination unit; the speed sensor is disposed on the elevator car; the speed determination unit is electrically connected to the speed sensor.
Optionally, the overload detection apparatus includes:
a weight sensor and a weight determination unit; the weight sensor is arranged at the traction rope head of the elevator; the weight determination unit is electrically connected to the weight sensor.
Optionally, the device for detecting excessive air pressure includes: an air pressure measuring unit and an air pressure judging unit; the air pressure measuring unit is arranged in the elevator car; the air pressure determination unit is electrically connected with the air pressure measurement unit.
Optionally, the elevator intelligent safety detection system further includes: an alarm;
the alarm is electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that:
the embodiment of the invention provides an intelligent safety detection system for an elevator, which adopts a first detection module to detect whether the elevator is overspeed or not, whether the elevator is overloaded or not, whether a steel wire rope slips or not and whether the average air pressure in an elevator car exceeds the standard air pressure within a set time period or not; detecting whether the difference value between the parameter of each elevator driving component and the corresponding rated data exceeds a set range by adopting a second detection module; the third detection module is used for acquiring an image of an object in the elevator car when the elevator car door is opened so as to determine whether an electric car enters the elevator car; the controller controls the elevator brake according to the detection results of the three detection modules, so that the elevator is safely detected in multiple aspects by detecting the elevator operation parameters, the elevator driving component parameters and whether abnormal objects exist in the elevator, and the operation safety of the elevator is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described 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 to obtain other drawings without inventive exercise.
Fig. 1 is a structural diagram of an elevator intelligent safety detection system provided by an embodiment of the 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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a structural diagram of an elevator intelligent safety detection system provided by an embodiment of the invention. Referring to fig. 1, the elevator intelligent safety detection system of the embodiment includes: the device comprises a first detection module, a second detection module, a third detection module and a controller; the first detection module, the second detection module and the third detection module are all electrically connected with the controller.
The first detection module is used for detecting whether the elevator is overspeed or not, whether the elevator is overloaded or not, whether the steel wire rope slips or not and whether the average air pressure in the elevator car exceeds the standard air pressure within a set time period or not, and obtaining a first detection result.
The second detection module is used for detecting whether the difference value between the parameter of each elevator driving component and the corresponding rated data exceeds a set range or not to obtain a second detection result; the parameters include voltage values and current values.
The third detection module is used for acquiring an image of an object in the elevator car when the elevator car door is opened, and processing and comparing the image with a pre-stored sample image to determine whether an electric car enters the elevator car or not to obtain a third detection result.
The controller is used for controlling an elevator brake according to the first detection result, the second detection result and the third detection result.
In one example, the first detection module includes: an overspeed detection device, an overload detection device, a steel wire rope slippage detection device and an air pressure standard exceeding detection device.
The overspeed detection device comprises: a speed sensor and a speed determination unit; the speed sensor is provided on the elevator car, and the speed determination unit is electrically connected to the speed sensor. The speed sensor is used for measuring the ascending or descending speed of the elevator car, the speed judging unit is used for judging whether the speed exceeds a set speed value, and if yes, the elevator is determined to be overspeed. When the elevator is overspeed, the controller controls the driving device of the elevator to reduce the running speed of the elevator, and controls the brake to brake the elevator if necessary so as to ensure the safety of the elevator. In practical applications, the speed sensor may be a hall sensor.
The overload detection device includes: a weight sensor and a weight determination unit; the weight sensor is arranged at the traction rope head of the elevator; the weight determination unit is electrically connected to the weight sensor. The weight sensor is used for measuring the weight of the elevator car, the weight judging unit is used for judging whether the weight exceeds a set weight value, and if so, the elevator is determined to be overloaded. When the elevator is overloaded, the controller controls the brake to enable the elevator to be in a braking state, the overload protection device works, and meanwhile, an overload warning is sent out.
The intelligent detection device for the steel wire rope slipping comprises: the second image acquisition device and the second image processing device; the second image acquisition device is a high-definition camera and is arranged in a set range away from the elevator traction machine, namely near the elevator traction machine; the second image acquisition device is electrically connected with the controller and the second image processing device. The second image acquisition device is used for measuring a dynamic image of the steel wire rope; when the second image acquisition device receives a braking signal sent by the controller, triggering dynamic image acquisition; and the second image processing device intelligently judges whether the slippage of the elevator steel wire rope exceeds the standard or not by processing and analyzing the slippage of the elevator steel wire rope in the time period from the braking to the complete braking of the elevator and comparing the slippage with a preset early warning value. When the steel wire rope slips and exceeds the standard, the controller sends out an early warning signal and controls the brake to brake the elevator.
The atmospheric pressure detection device that exceeds standard includes: an air pressure measuring unit and an air pressure judging unit; the air pressure measuring unit is arranged in the elevator car; the air pressure determination unit is electrically connected with the air pressure measurement unit. The air pressure measuring unit is used for measuring the air pressure in the elevator car, the air pressure judging unit is used for judging whether the average air pressure in the elevator car in a set time period exceeds the standard air pressure, and if the average air pressure exceeds the standard air pressure, the air pressure is determined to be abnormal. When the air pressure of the elevator is abnormal, the controller controls the brake to brake the elevator.
In one example, the second detection module comprises: the device comprises a voltage detection unit, a current detection unit, a data processing unit and a parameter judgment unit; the voltage detection unit, the current detection unit and the data processing unit are all electrically connected with the parameter determination unit. The voltage detection unit is used for detecting the input voltage value and the output voltage value of each electrical component; the current detection unit is used for detecting the input current value and the output current value of each electrical component; the data processing unit is used for converting the measured voltage value and the measured current value into digital data from analog data.
In one example, the third detection module includes: the system comprises a first image acquisition device and a first image processing device; the first image acquisition device is arranged in the elevator car; the first image acquisition device is electrically connected with the first image processing device. The first image acquisition device may be a high definition camera. The first image processing device is internally provided with intelligent image identification software, the image acquired by the first image acquisition device is compared with a pre-stored sample image and is processed, whether the image has the electric vehicle or not is intelligently identified, and a machine learning model can be adopted as the identification model. When the electric vehicle is recognized to enter, the controller controls the brake to enable the elevator to be in a braking state.
In one example, the elevator intelligent safety detection system further comprises: an alarm; the alarm is electrically connected with the controller.
The elevator intelligent safety detection system in the embodiment realizes intelligent detection on the running state and parameters of the elevator, the parameters of the elevator driving component and whether abnormal objects exist in the elevator or not. The detection of the elevator operation parameters reduces the occurrence of elevator operation faults; the detection of the parameters of the elevator driving component can determine whether the elevator driving function is aged or not, so that the potential safety hazard is reduced; the detection of foreign matter in the elevator can effectively prevent the electric motor car to go upward through carrying on the elevator to stop the electric motor car and charge in the corridor, effectively reduce the potential safety hazard in the residential quarter corridor. The invention realizes the safety detection of the elevator in multiple aspects and improves the safety of the operation of the elevator.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An elevator intelligent safety detection system, characterized by comprising: the device comprises a first detection module, a second detection module, a third detection module and a controller; the first detection module, the second detection module and the third detection module are all electrically connected with the controller;
the first detection module is used for detecting whether the elevator is overspeed or not, whether the elevator is overloaded or not, whether a steel wire rope slips or not and whether the average air pressure in the elevator car exceeds the standard air pressure within a set time period or not to obtain a first detection result;
the second detection module is used for detecting whether the difference value between the parameter of each elevator driving component and the corresponding rated data exceeds a set range or not to obtain a second detection result; the parameters include voltage values and current values;
the third detection module is used for acquiring an image of an object in the elevator car when the elevator car door is opened, processing and comparing the image with a pre-stored sample image, and intelligently judging whether an electric car enters the elevator car or not to obtain a third detection result;
the controller is used for controlling an elevator brake according to the first detection result, the second detection result and the third detection result.
2. The elevator intelligent safety detection system of claim 1, wherein the first detection module comprises:
overspeed detection device, overload detection device, wire rope intelligent detection device and atmospheric pressure superscript detection device that skids.
3. The elevator intelligent safety detection system of claim 1, wherein the second detection module comprises:
a voltage detection unit, a current detection unit and a parameter determination unit; the voltage detection unit and the current detection unit are both electrically connected with the parameter determination unit.
4. The elevator intelligent safety detection system of claim 1, wherein the third detection module comprises:
the system comprises a first image acquisition device and a first image processing device; the first image acquisition device is arranged in the elevator car; the first image acquisition device is electrically connected with the first image processing device.
5. The intelligent elevator safety detection system according to claim 2, wherein the intelligent detection device for detecting the steel wire rope slip comprises:
the second image acquisition device and the second image processing device; the second image acquisition device is arranged in a set range away from the elevator traction machine; the second image acquisition device is electrically connected with the controller and the second image processing device.
6. The elevator intelligent safety detection system of claim 2, wherein the overspeed detection device comprises:
a speed sensor and a speed determination unit; the speed sensor is disposed on the elevator car; the speed determination unit is electrically connected to the speed sensor.
7. The intelligent elevator safety detection system according to claim 2, wherein the overload detection device comprises:
a weight sensor and a weight determination unit; the weight sensor is arranged at the traction rope head of the elevator; the weight determination unit is electrically connected to the weight sensor.
8. The intelligent elevator safety detection system according to claim 4, wherein the first image acquisition device is a high-definition camera.
9. The elevator intelligent safety detection system of claim 2, wherein the air pressure overproof detection device comprises:
an air pressure measuring unit and an air pressure judging unit; the air pressure measuring unit is arranged in the elevator car; the air pressure determination unit is electrically connected with the air pressure measurement unit.
10. The intelligent elevator safety detection system according to claim 1, further comprising:
an alarm; the alarm is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210592820.9A CN114834989A (en) | 2022-05-27 | 2022-05-27 | Elevator intelligent safety detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210592820.9A CN114834989A (en) | 2022-05-27 | 2022-05-27 | Elevator intelligent safety detection system |
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| CN114834989A true CN114834989A (en) | 2022-08-02 |
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| CN202210592820.9A Pending CN114834989A (en) | 2022-05-27 | 2022-05-27 | Elevator intelligent safety detection system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013023333A (en) * | 2011-07-21 | 2013-02-04 | Mitsubishi Electric Corp | Safety device of elevator and method for braking control used for safety device of elevator |
| CN106865374A (en) * | 2017-01-04 | 2017-06-20 | 广州广日电梯工业有限公司 | A kind of elevator detection means, system and detection method |
| CN108996352A (en) * | 2018-01-16 | 2018-12-14 | 哈密市特种设备检验检测所 | A kind of elevator overload intelligent testing and warning system |
| CN110092247A (en) * | 2019-05-09 | 2019-08-06 | 苏州博学智能科技有限公司 | A kind of ascending for elevator method that anti-electric vehicle carries |
| CN112408153A (en) * | 2020-10-10 | 2021-02-26 | 上海市特种设备监督检验技术研究院 | Method for monitoring movement amount of steel wire rope in elevator braking process |
-
2022
- 2022-05-27 CN CN202210592820.9A patent/CN114834989A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013023333A (en) * | 2011-07-21 | 2013-02-04 | Mitsubishi Electric Corp | Safety device of elevator and method for braking control used for safety device of elevator |
| CN106865374A (en) * | 2017-01-04 | 2017-06-20 | 广州广日电梯工业有限公司 | A kind of elevator detection means, system and detection method |
| CN108996352A (en) * | 2018-01-16 | 2018-12-14 | 哈密市特种设备检验检测所 | A kind of elevator overload intelligent testing and warning system |
| CN110092247A (en) * | 2019-05-09 | 2019-08-06 | 苏州博学智能科技有限公司 | A kind of ascending for elevator method that anti-electric vehicle carries |
| CN112408153A (en) * | 2020-10-10 | 2021-02-26 | 上海市特种设备监督检验技术研究院 | Method for monitoring movement amount of steel wire rope in elevator braking process |
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