CN115212483B - High-altitude operation safety belt state monitoring system and method - Google Patents
High-altitude operation safety belt state monitoring system and method Download PDFInfo
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- CN115212483B CN115212483B CN202210853972.XA CN202210853972A CN115212483B CN 115212483 B CN115212483 B CN 115212483B CN 202210853972 A CN202210853972 A CN 202210853972A CN 115212483 B CN115212483 B CN 115212483B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The application discloses a safety belt state monitoring system and method for high-altitude operation, wherein the system comprises: the safety belt comprises a safety belt body, at least two safety ropes, at least two hanging point sensing units, a fixed sensing unit and a processing unit; the processing unit is used for obtaining the hanging point distance value and the two rope end distance values, judging whether the two rope end distance values are smaller than the preset distance value, if not, executing a distance judging step, and if both the two rope end distance values are smaller than the preset distance value, recording the duration that the two rope end distance values are smaller than the preset distance value to obtain the idle time length; the interval judging step is to judge whether the interval value of the hanging points is smaller than a preset interval value, if so, the same hanging point signals are output; the processing unit is further configured to output an idle signal when the idle time length is greater than a first preset duration. Through hanging some sensing element, fixed sensing element and processing unit, can judge the state of hanging and distance of two safety ropes to send out the signal and remind the staff, reduce the safety risk of overhead working.
Description
Technical Field
The application relates to the technical field of high-altitude operation safety monitoring, in particular to a high-altitude operation safety belt state monitoring system and method.
Background
Safety belts are commonly used as personal safety protection measures when electric power constructors work at the same height of the pole tower. When constructors need to displace in the process of lifting and lowering the pole tower or working, the hanging points of the safety belt need to be correspondingly changed; the constructor loses the protection of the safety belt during the change hanging point, and the risk of high-altitude falling is caused. In order to prevent constructors from losing the protection of the safety belt in the displacement process, two safety belts are generally arranged, namely two safety ropes are arranged, the safety rope hanging points are alternately moved in the displacement process, and at least one safety rope is kept to play a role in protection.
In actual work, only a single safety belt is used when the construction personnel is displaced under the condition of carelessness, and the safety guardian on the ground is difficult to play the role of the safety guardian due to the long distance, so that the potential safety hazard of high-altitude falling still exists.
Disclosure of Invention
In view of the above, an object of the present application is to provide a safety belt status monitoring system and method for overhead operation, which are used for solving the problem that the existing overhead operation safety belt has a safety risk of falling aloft.
To achieve the above technical object, a first aspect of the present application provides a safety belt status monitoring system for overhead operation, including: the safety belt comprises a safety belt body, at least two safety ropes, at least two hanging point sensing units, a fixed sensing unit and a processing unit;
the first ends of the two safety ropes are respectively connected with the safety belt body;
the two hanging point sensing units are respectively arranged at the second ends of the two safety ropes;
the fixed induction unit is arranged on the safety belt body;
the processing unit is in communication connection with the fixed sensing unit and the two hanging point sensing units;
the two hanging point sensing units are used for sensing the distance between the two hanging point sensing units to generate a hanging point distance value and sending the hanging point distance value to the processing unit;
the fixed sensing unit is used for sensing the distance between the fixed sensing unit and the two hanging point units, generating two rope end distance values and sending the two rope end distance values to the processing unit;
the processing unit is further used for judging whether the distance values of the two rope ends are smaller than a preset distance value, if not, executing a distance judging step, and if both the distance values of the two rope ends are smaller than the preset distance value, recording the duration that the distance values of the two rope ends are smaller than the preset distance value to obtain the idle time length;
the interval judging step is to judge whether the interval value of the hanging points is smaller than a preset interval value, if so, the same hanging point signal is output;
the processing unit is further configured to output an idle signal when the idle time length is greater than a first preset duration.
Further, the processing unit is further configured to record a duration that the rope end distance value is smaller than a preset distance value when one of the two rope end distance values is smaller than the preset distance value, so as to obtain a single rope idle duration;
the processing unit is also used for outputting a single rope use signal when the single rope idle time is longer than a second preset time.
Further, the fixed induction unit comprises at least three;
the three fixed induction units are arranged on the safety belt body at intervals;
the three fixed induction units enclose a surface area.
Further, the hanging point interval value comprises a horizontal interval value and a vertical interval value;
the rope end distance value comprises a horizontal distance value and a vertical distance value.
Further, the processing unit is further configured to determine whether the vertical distance value is smaller than a preset height distance value after outputting the single rope usage signal, and if yes, output a low hanging signal.
Further, the processing unit is further configured to determine whether the vertical distance value is smaller than a preset height distance value after the co-hanging point signal is output, and if yes, output a low-hanging signal.
Further, an alarm is arranged on the processing unit;
the same hanging point signal, the idle signal, the single rope use signal and the low hanging signal are all output by the alarm.
The second aspect of the present application provides a method for monitoring a safety belt of an overhead operation, which is applied to any one of the above-mentioned safety belt monitoring systems of an overhead operation;
the method comprises the following steps:
s1, judging whether the distance value of two rope ends is smaller than a preset distance value; if both the two safety ropes are in the idle state, entering step S2; if not, the two safety ropes are in a hanging state, and step S3 is carried out; if one of the two is negative and the other is positive, one safety rope is in an idle state, and the step S4 is carried out;
s2, recording the idle time of the two safety ropes, judging whether the idle time is longer than a first preset time, and outputting an idle signal if yes;
s3, judging whether the hanging point interval value is smaller than a preset interval value, and if so, outputting a same hanging point signal;
s4, recording the idle time of the safety rope in an idle state, obtaining the idle time of the single rope, judging whether the idle time of the single rope is longer than a second preset time, and if so, outputting a single rope use signal.
Further, the fixed sensing units in the overhead working safety belt state monitoring system at least comprise three;
the hanging point interval value comprises a horizontal interval value and a vertical interval value;
the rope end distance value comprises a horizontal distance value and a vertical distance value;
after step S3, the method further includes:
s31, judging whether the vertical distance value is smaller than a preset height distance value, and if so, outputting a low hanging signal.
Further, after step S4, the method further includes:
s41, judging whether the vertical interval value is smaller than a preset height interval value, and if so, outputting a low-hanging signal.
According to the technical scheme, the application provides a safety belt state monitoring system for high-altitude operation, which comprises the following components: the safety belt comprises a safety belt body, at least two safety ropes, at least two hanging point sensing units, a fixed sensing unit and a processing unit; the first ends of the two safety ropes are respectively connected with the safety belt body; the two hanging point sensing units are respectively arranged at the second ends of the two safety ropes; the fixed induction unit is arranged on the safety belt body; the processing unit is in communication connection with the fixed sensing unit and the two hanging point sensing units; the two hanging point sensing units are used for sensing the distance between the two hanging point sensing units to generate a hanging point distance value and sending the hanging point distance value to the processing unit; the fixed sensing unit is used for sensing the distance between the fixed sensing unit and the two hanging point units, generating two rope end distance values and sending the two rope end distance values to the processing unit; the processing unit is used for judging whether the distance values of the two rope ends are smaller than a preset distance value, if not, the distance judging step is executed, and if both the distance values of the two rope ends are smaller than the preset distance value, the length of idle time is obtained by recording the time length of the two rope ends; the interval judging step is to judge whether the interval value of the hanging points is smaller than a preset interval value, if so, the same hanging point signals are output; the processing unit is further configured to output an idle signal when the idle time length is greater than a first preset duration. The hanging state and the distance of the two safety ropes can be judged through the hanging point sensing unit, the fixed sensing unit and the processing unit, and a signal is sent out through the processing unit to remind a worker, so that the safety risk of high-altitude operation is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of an overall structure of a safety belt-like monitoring system for overhead operation according to an embodiment of the present application;
FIG. 2 is a flowchart of a method for monitoring a safety belt of an overhead operation according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an overall structure of a safety belt status monitoring system for overhead operation according to another embodiment of the present disclosure;
fig. 4 is a flowchart of a method for monitoring a safety belt state of an overhead operation according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the claimed invention.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1, an overhead operation safety belt status monitoring system provided in an embodiment of the present application includes: the safety belt comprises a safety belt body 1, at least two safety ropes 2, at least two hanging point sensing units 3, a fixed sensing unit 4 and a processing unit (not shown in the figure); the first ends of the two safety ropes 2 are respectively connected with the safety belt body 1; the two hanging point sensing units 3 are respectively arranged at the second ends of the two safety ropes 2; the stationary induction unit 4 is provided on the seat belt body 1. The processing unit and the fixed sensing unit 4 may be integrally arranged, or may be a terminal or a processing unit part of which the processing unit is independently arranged on the safety belt body 1; the processing unit is in communication connection with the fixed sensing unit 4 and the two hanging point sensing units 3. The two hanging point sensing units 3 are used for sensing the distance between the two hanging point sensing units to generate a hanging point distance value and transmitting the hanging point distance value to the processing unit; the fixed sensing unit 4 is used for sensing the distance between the fixed sensing unit and the two hanging point units 3, generating two rope end distance values and sending the two rope end distance values to the processing unit; the second end of the safety rope is a hanging end and is used for hanging a hanging point. The two hanging point sensing units and the fixed sensing unit are used for sensing the distance between the two hanging point sensing units, obtaining two rope end distance values and two hanging point distance values, and sending the two rope end distance values and the two hanging point distance values to the processing unit.
Specifically, the hanging point interval value L is a distance value between two hanging point sensing units; the distance values of the two rope ends are respectively the distance values between the fixed sensing unit 4 and the two hanging point sensing units 3. In this embodiment, the two rope end distance values are a first rope end distance value D1 and a second rope end distance value D2, respectively.
The processing unit is used for judging whether the distance values of the two rope ends are smaller than a preset distance value, if not, the distance judging step is executed, and if both the distance values of the two rope ends are smaller than the preset distance value, the idle time length is obtained by recording the time length of the two rope ends.
The first embodiment provided in the present application is the second embodiment provided in the present application;
referring to fig. 2, the present embodiment provides a method for monitoring a safety belt of an overhead operation, which is characterized in that the method is applied to the safety belt monitoring system of an overhead operation in the above embodiment;
the method comprises the following steps:
s1, judging whether the distance value of two rope ends is smaller than a preset distance value; if both the two safety ropes are in the idle state, entering step S2; if not, the two safety ropes are in a hanging state, and step S3 is carried out; if one of the two is negative and the other is positive, one safety rope is in an idle state, and the step S4 is carried out;
s2, recording the idle time of the two safety ropes, judging whether the idle time is longer than a first preset time, and outputting an idle signal if yes.
S3, judging whether the hanging point interval value is smaller than a preset interval value, and if so, outputting a same hanging point signal;
s4, recording the idle time of the safety rope in an idle state, obtaining the idle time of the single rope, judging whether the idle time of the single rope is longer than a second preset time, and if so, outputting a single rope use signal.
Specifically, the processing unit judges the relationship between the first rope end distance value D1 and the second rope end distance value D2 and the preset distance value, if both the first rope end distance value D1 and the second rope end distance value D2 are smaller than the preset distance value, the processing unit indicates that both the two safety ropes 2 are in an idle state, and starts to record the idle time length. If the distance between the two safety ropes 2 is larger than the preset distance value, the two safety ropes 2 are in the hanging state, whether the hanging point distance value L is smaller than the preset distance value is judged, if yes, the two safety ropes 2 are located at the same hanging point, and the same hanging point signal is output to remind workers. If the first rope end distance value D1 or the second rope end distance value D2 is smaller than the preset distance value, the current single rope hanging state is indicated, and the worker may be moving in the middle.
The processing unit is further configured to determine whether the idle time length is greater than a first preset duration, and if so, output an idle signal. Specifically, in the case where a worker has a mental or careless idea of going away from a sea and is careless in order to quickly displace during the work of the overhead work, the two safety ropes 2 may be directly displaced. When judging that the idle time length of the two safety ropes 2 is longer than the first preset time length, the processing unit timely sends idle signals to inform workers that the two safety ropes 2 are not hung at the moment, and accordingly an alarm effect is achieved. The first preset duration, the preset distance value and the preset distance value can be set according to actual use conditions, and the method is not limited.
The processing unit is further used for recording the duration that the rope end distance value smaller than the preset distance value is smaller than the preset distance value when the first rope end distance value D1 or the second rope end distance value D2 is smaller than the preset distance value, and obtaining the idle duration of the single rope; and outputting a single rope use signal when the single rope idle time is longer than the second preset time.
Specifically, when the idle time length of the single rope is longer than the second preset time length, the service time of the single safety rope 2 is overlong when the single rope is not displaced in the time period, and then the single rope service signal is used for reminding the worker that the other safety rope 2 is idle, so that the safety risk is reduced.
It should be noted that the processing unit may be communicatively connected to a ground terminal. The ground terminal may be a processor such as a cell phone that is held by a ground guardian. When the processing unit outputs an idle signal, a same-hanging point signal and a single rope use signal, the signal is transmitted to the ground terminal to remind a ground guardian. When the idle time of the single rope is smaller than the second preset time and the processing unit monitors that the distance value D1 of the first rope end and the distance value D2 of the second rope end are alternately smaller than the preset distance value, the working personnel are judged to be in a displacement state at the moment, and reminding is sent to the ground guardian through the ground terminal.
The second embodiment provided in the present application is the second embodiment provided in the present application, and the third embodiment provided in the present application is the following embodiment;
referring to fig. 3, in the monitoring system for safety belt of overhead operation provided in the present embodiment, on the basis of the first embodiment, the fixed sensing unit 4 includes at least three units; the three fixed induction units 4 are arranged on the safety belt body 1 at intervals; three stationary induction units 4 enclose a surface area.
Specifically, the three fixed sensing units 4 can enclose a surface area, compared with a single fixed sensing unit 4, the method can change the distance sensing between the hanging point sensing units 3 from single-point sensing to three-point sensing, namely, one-dimensional distance discrimination is changed into three-dimensional space discrimination, and the accuracy and the effectiveness of the rope end distance value can be improved.
Further, the hanging point spacing value L comprises a horizontal spacing value and a vertical spacing value; the rope end distance value comprises a horizontal distance value and a vertical distance value, so that the distance between the two hanging point sensing units 3 and the fixed sensing unit 4 can be judged from both the horizontal direction and the vertical direction.
Referring to fig. 4, after step S3, the method further includes:
s31, judging whether the vertical distance value is smaller than a preset height distance value, and if so, outputting a low hanging signal.
After step S4, further comprising:
s41, judging whether the vertical interval value is smaller than a preset height interval value, and if so, outputting a low-hanging signal.
That is, after the processing unit outputs the single rope use signal, judging whether the vertical interval value is smaller than the preset height interval value, if so, outputting a low hanging signal.
The processing unit is also used for judging whether the vertical distance value is smaller than a preset height distance value after the same hanging point signal is output, and if yes, a low hanging signal is output.
In particular, the processing unit outputs a low hitch signal indicating that the hitch height of the safety line 2 does not meet the high hitch low use requirements.
The processing unit is provided with an alarm; the same hanging point signal, the idle signal, the single rope use signal and the low hanging signal are all output by the alarm. Wherein, each signal can be acoustic signal, optical signal, vibration signal or information signal lamp, specifically make can send alarm information to staff, guardian, supervision personnel can.
In this embodiment, the hanging point sensing unit 3 and the fixed sensing unit 4 may apply ranging technologies such as UWB broadband ranging positioning, bluetooth BLE positioning, WIFI positioning, etc. to implement measurement of distances between sensing units.
The processing unit may also include a communicator, an integrated monitor, a data analysis memory, and an interactor. The communicator can adopt wireless transmission technologies such as 5G, WIFI and Bluetooth, collect data collected by the hanging point sensing unit 3 and the fixed sensing unit 4, forward related data and analysis results to the comprehensive monitor, and transmit alarm signals and reminding information to the alarm. The comprehensive monitor is used for analyzing the distance data collected by the hanging point sensing unit 3 and the fixed sensing unit 4, judging whether the conditions of unused safety belts, high hanging and low hanging, displacement, single safety hanging rope use and the like exist, and sending out alarm and reminding signals. The data analysis memory is used for storing data. The interactors can provide data query and parameter setting functions through interaction devices such as a small keyboard, a touch screen, a display or an LED screen.
The safety belt state monitoring system for the high-altitude operation can solve the problem that ground guardianship personnel are difficult to monitor whether the high-altitude operation constructors use the safety belts correctly, ensure the correct use of the double-safety-rope safety belts, ensure that the safety belt protection is not lost in the up-down displacement process of the constructors, and further effectively realize measures for preventing personal safety accidents caused by high-altitude falling.
While the present invention has been described in detail with reference to the examples, it will be apparent to those skilled in the art that the foregoing examples can be modified or equivalents substituted for some of the features thereof, and any modifications, equivalents, improvements and substitutions made therein are intended to be within the spirit and principles of the present invention.
Claims (7)
1. An overhead safety belt status monitoring system, comprising: the safety belt comprises a safety belt body, at least two safety ropes, at least two hanging point sensing units, a fixed sensing unit and a processing unit;
the first ends of the two safety ropes are respectively connected with the safety belt body;
the two hanging point sensing units are respectively arranged at the second ends of the two safety ropes;
the fixed induction unit is arranged on the safety belt body;
the fixed sensing unit and the two hanging point sensing units are both in communication connection with the processing unit;
the two hanging point sensing units are used for sensing the distance between the two hanging point sensing units to generate a hanging point distance value and sending the hanging point distance value to the processing unit;
the fixed sensing unit is used for sensing the distance between the fixed sensing unit and the two hanging point units, generating two rope end distance values and sending the two rope end distance values to the processing unit;
the processing unit is used for judging whether the two rope end distance values are smaller than a preset distance value, if not, executing a distance judging step, and if so, recording the time length that the two rope end distance values are smaller than the preset distance value to obtain the idle time length;
the interval judging step is to judge whether the interval value of the hanging points is smaller than a preset interval value, if so, the same hanging point signal is output;
the processing unit is further used for outputting an idle signal when the idle time length is greater than a first preset duration;
the processing unit is further used for recording the duration that the rope end distance value is smaller than the preset distance value when one of the two rope end distance values is smaller than the preset distance value, and obtaining the single rope idle duration;
the processing unit is further used for outputting a single rope use signal when the single rope idle time is longer than a second preset time;
the hanging point interval value comprises a horizontal interval value and a vertical interval value;
the rope end distance value comprises a horizontal distance value and a vertical distance value;
and the processing unit is also used for judging whether the vertical distance value is smaller than a preset height distance value after outputting the single rope use signal, and outputting a low hanging signal if the vertical distance value is smaller than the preset height distance value.
2. The overhead working safety belt condition monitoring system of claim 1, wherein the stationary sensing unit comprises at least three;
the three fixed induction units are arranged on the safety belt body at intervals;
the three fixed induction units enclose a surface area.
3. The safety belt state monitoring system according to claim 1, wherein the processing unit is further configured to determine, after outputting the same hanging point signal, whether the vertical distance value is smaller than a preset height distance value, and if so, output a low hanging signal.
4. A safety belt status monitoring system for aloft work according to claim 3, wherein an alarm is provided on the processing unit;
the same hanging point signal, the idle signal, the single rope use signal and the low hanging signal are all output by the alarm.
5. A method for monitoring a safety belt of an overhead operation, which is applied to the safety belt monitoring system of an overhead operation according to any one of claims 1 to 4;
the method comprises the following steps:
s1, judging whether the distance value of two rope ends is smaller than a preset distance value; if both the two safety ropes are in the idle state, entering step S2; if not, the two safety ropes are in a hanging state, and step S3 is carried out; if one of the two is negative and the other is positive, one safety rope is in an idle state, and the step S4 is carried out;
s2, recording the idle time of the two safety ropes, judging whether the idle time is longer than a first preset time, and outputting an idle signal if yes;
s3, judging whether the hanging point interval value is smaller than a preset interval value, and if so, outputting a same hanging point signal;
s4, recording the idle time of the safety rope in an idle state, obtaining the idle time of the single rope, judging whether the idle time of the single rope is longer than a second preset time, and if so, outputting a single rope use signal.
6. The method for monitoring the safety belt state of an overhead operation according to claim 5, wherein,
the fixed induction units in the high-altitude operation safety belt state monitoring system at least comprise three;
the hanging point interval value comprises a horizontal interval value and a vertical interval value;
the rope end distance value comprises a horizontal distance value and a vertical distance value;
after step S3, the method further includes:
s31, judging whether the vertical distance value is smaller than a preset height distance value, and if so, outputting a low hanging signal.
7. The method for monitoring the safety belt of an aerial work of claim 6, further comprising, after step S4:
s41, judging whether the vertical interval value is smaller than a preset height interval value, and if so, outputting a low-hanging signal.
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| CN202210853972.XA CN115212483B (en) | 2022-07-20 | 2022-07-20 | High-altitude operation safety belt state monitoring system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2510096B (en) * | 2012-11-01 | 2015-08-26 | Skanska Uk Plc | Safety equipment |
| US9511245B2 (en) * | 2014-03-28 | 2016-12-06 | International Business Machines Corporation | Safety harness monitoring and alerting system |
| JP2015204997A (en) * | 2014-04-21 | 2015-11-19 | 株式会社システック | Hooking detection device of safety belt |
| CN206526423U (en) * | 2017-02-10 | 2017-09-29 | 杨润全 | A kind of multifunctional intellectual two-insurance safety belt |
| JP6483213B1 (en) * | 2017-09-11 | 2019-03-13 | 株式会社プロップ | Audio output device for safety belt |
| FR3073149B1 (en) * | 2017-11-03 | 2021-08-20 | Engie | SAFETY EQUIPMENT AND PROTECTION PROCESS |
| CN110404202A (en) * | 2019-06-28 | 2019-11-05 | 北京市政建设集团有限责任公司 | The detection method and device of aerial work safety belt, aerial work safety belt |
| CN113367435A (en) * | 2021-05-17 | 2021-09-10 | 中国电建集团华东勘测设计研究院有限公司 | Intelligent safety monitoring control system for high-altitude operation |
| CN113750395A (en) * | 2021-09-27 | 2021-12-07 | 苏州启阳半导体科技有限公司 | Intelligent safety rope and safety realization method |
| CN114618095A (en) * | 2022-03-17 | 2022-06-14 | 广州华微明天软件技术有限公司 | Safety rope hanging state identification method and safety rope |
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