CN115212483A - Safety belt state monitoring system and method for aerial work - Google Patents
Safety belt state monitoring system and method for aerial work Download PDFInfo
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- CN115212483A CN115212483A CN202210853972.XA CN202210853972A CN115212483A CN 115212483 A CN115212483 A CN 115212483A CN 202210853972 A CN202210853972 A CN 202210853972A CN 115212483 A CN115212483 A CN 115212483A
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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]
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Abstract
The application discloses a safety belt state monitoring system and a 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 acquiring a distance value between hanging points and two rope ends, and also used for judging whether the distance value between the two rope ends is smaller than a preset distance value or not, if not, executing a distance judgment step, and if both the distance value between the two rope ends is smaller than the preset distance value, recording the duration that the distance value between the two rope ends is smaller than the preset distance value to obtain the length of idle time; the distance judgment step is to judge whether the distance value of the hanging points is smaller than a preset distance value, and if so, a signal of the same hanging point is output; the processing unit is further used for outputting an idle signal when the idle time length is longer than a first preset time length. Through hanging some induction element, fixed induction element and processing unit, can judge hanging state and the distance of two safety ropes to send the signal and remind the staff, reduce high altitude construction's safe risk.
Description
Technical Field
The application relates to the technical field of aerial work safety monitoring, in particular to a system and a method for monitoring the state of an aerial work safety belt.
Background
When electric power constructors work at high places such as towers, safety belts are generally used as personal safety protection measures. When a constructor needs to move up and down a tower or in the working process, hanging points of safety belts need to be changed correspondingly; constructors lose the protection of safety belts during changing of hanging points, and the risk of falling from high altitude exists. In order to prevent the constructors from losing the protection of the safety belt in the displacement process, the safety belt is generally a practical double-insurance safety belt, namely two safety ropes are arranged, the hanging point of the safety rope is alternately moved in the displacement process, and at least one safety rope is kept to play a protection role.
In actual work, the situation that only a single safety belt is used when a constructor is in displacement under the condition of negligence exists, and because the distance is long, a safety guardian on the ground is difficult to play the role of the safety guardian, so that the potential safety hazard of falling from high altitude still exists.
Disclosure of Invention
In view of the above, an object of the present application is to provide a system and a method for monitoring a state of an aerial work safety belt, which are used to solve the problem of a safety risk of an aerial fall of an existing aerial work safety belt.
In order to achieve the above technical object, a first aspect of the present application provides a safety belt state monitoring system for aerial work, 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 sensing 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 value between the two rope ends is smaller than a preset distance value or not, if not, executing a distance judgment step, and if both the distance value between the two rope ends is smaller than the preset distance value, recording the duration that the distance value between the two rope ends is smaller than the preset distance value to obtain the length of the idle time;
the distance judging step is to judge whether the distance value of the hanging points is smaller than a preset distance 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 longer than a first preset time length.
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 further used for outputting a single rope use signal when the single rope idle time is longer than a second preset time.
Further, the number of the fixed sensing units is at least three;
the three fixed induction units are arranged on the safety belt body at intervals;
the three fixed induction units form a surface area in a surrounding mode.
Further, the hanging point distance values comprise a horizontal distance value and a vertical distance 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 the single-rope use signal is output, and if so, 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 outputting the signal of the same hanging point, and if so, output a low hanging signal.
Furthermore, an alarm is arranged on the processing unit;
and the same hanging point signal, the idle signal, the single rope using signal and the low hanging signal are all output by the alarm.
A second aspect of the application provides a method for monitoring the state of an aerial work safety belt, which is applied to any one of the above aerial work safety belt state monitoring systems;
the method comprises the following steps:
s1, judging whether the distance value between two rope ends is smaller than a preset distance value or not; if the two safety ropes are both in the idle state, entering the step S2; if the two safety ropes are not in the hanging state, the two safety ropes are in the hanging state, and the step S3 is carried out; if one is negative, one safety rope is in an idle state, and the step S4 is carried out;
s2, recording idle time lengths of the two safety ropes, judging whether the idle time lengths are greater than a first preset time length or not, and if yes, outputting an idle signal;
s3, judging whether the distance value of the hanging points is smaller than a preset distance value, and if so, outputting a signal of the same hanging point;
and 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 greater than a second preset time, and outputting a single rope use signal if the idle time of the single rope is greater than the second preset time.
Furthermore, the number of the fixed sensing units in the safety belt state monitoring system for aerial work at least comprises three;
the hanging point distance value comprises a horizontal distance value and a vertical distance value;
the rope end distance value comprises a horizontal distance value and a vertical distance value;
after step S3, the method further includes:
and S31, judging whether the vertical distance value is smaller than a preset height distance value or not, and if so, outputting a low hanging signal.
Further, after step S4, the method further includes:
s41, judging whether the vertical distance value is smaller than a preset height distance value or not, and if so, outputting a low hanging signal.
According to the technical scheme, the application provides a safety belt state monitoring system for aerial work, which 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 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 sensing 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 points 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 value between the two rope ends is smaller than a preset distance value or not, if not, executing a distance judgment step, and if both the distance value between the two rope ends is smaller than the preset distance value, recording the duration that the distance value between the two rope ends is smaller than the preset distance value to obtain the length of idle time; the distance judging step is to judge whether the distance value of the hanging points is smaller than a preset distance value, if so, the same hanging point signal is output; the processing unit is further used for outputting an idle signal when the length of the idle time is larger than a first preset time. Through hanging some induction element, fixed induction element and processing unit, can judge two safety rope's the state of hanging and distance to send a signal through processing unit and remind the staff, reduce high altitude construction's safe risk.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic overall structural diagram of an aerial work safety belt state monitoring system according to an embodiment of the present disclosure;
fig. 2 is a flowchart of a method for monitoring the state of an aerial work safety belt according to an embodiment of the present disclosure;
fig. 3 is a schematic overall structural diagram of an aerial work safety belt state monitoring system according to another embodiment of the present application;
fig. 4 is a flowchart of a method for monitoring a state of an aerial work safety belt according to an embodiment of the present application.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. 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 scope of protection claimed herein.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be configured in specific orientations, and operate, 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 the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, an aerial work 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 fixed sensing unit 4 is disposed on the seatbelt body 1. The processing unit and the fixed sensing unit 4 can be integrally arranged, or the processing unit can be an independently arranged terminal or a processing unit part 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 each other, generating a hanging point distance value and sending 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; wherein, the second end of the safety rope is a hanging end 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 and the fixed sensing unit to obtain two rope end distance values and a hanging point distance value, and the two rope end distance values and the hanging point distance value are sent to the processing unit.
Specifically, the hanging point distance 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 the first rope end distance value D1 and the second rope end distance value D2, respectively.
The processing unit is used for judging whether the distance value between the two rope ends is smaller than a preset distance value or not, if not, executing the distance judging step, and if both the distance value between the two rope ends and the preset distance value are equal, recording the duration that the distance value between the two rope ends is smaller than the preset distance value to obtain the length of the idle time.
The above is the first embodiment provided in the present application, and the following is the second embodiment provided in the present application;
referring to fig. 2, the present embodiment provides a method for monitoring the state of an aerial work safety belt, which is characterized in that the method is applied to the system for monitoring the state of an aerial work safety belt of the above embodiment;
the method comprises the following steps:
s1, judging whether the distance value between two rope ends is smaller than a preset distance value or not; if both the safety ropes are in the idle state, entering the step S2; if the two safety ropes are not in the hanging state, the two safety ropes are in the hanging state, and the step S3 is carried out; if one is negative, 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 greater than a first preset time, and if so, outputting an idle signal.
S3, judging whether the hanging point distance value is smaller than a preset distance value or not, and if so, outputting a same hanging point signal;
and 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 greater than a second preset time, and outputting a single rope use signal if the idle time of the single rope is greater than the second preset time.
Specifically, the processing unit determines a relationship between the first rope end distance value D1 and the second rope end distance value D2 and a preset distance value, and if both of the first rope end distance value and the second rope end distance value are smaller than the preset distance value, it indicates that both the two safety ropes 2 are in an idle state, and starts to record the length of the idle time. If the distance value L is larger than the preset distance value, the two safety ropes 2 are in a hanging state, whether the hanging point distance value L is smaller than the preset distance value or not is judged, if yes, the two safety ropes 2 are located at the same hanging point, and a signal of the same hanging point is output to remind a worker. 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 state is a single-rope hanging state, and the worker may be moving on the way.
The processing unit is further used for judging whether the idle time length is larger than a first preset time length or not, and if yes, outputting an idle signal. Specifically, when a worker is lucky or careless during the overhead working, the worker may directly displace the two safety ropes 2 to cancel the protection thereof for quick displacement. The processing unit sends out idle signals in time when judging that the idle time length of two safety ropes 2 is greater than the first preset time length, informs the staff that two safety ropes 2 are not articulated at the moment, and plays the effect of warning. The first preset duration, the preset distance value and the preset distance value can be set according to actual use conditions, and are not limited.
The processing unit is further used for recording the time length when 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, so as to obtain the single-rope idle time length; and outputting a single rope use signal when the idle time of the single rope is longer than a second preset time.
Specifically, the idle time length of single rope is greater than the preset time length of second, and the time of use that represents the staff and use a list safety rope 2 that does not shift in this time quantum is overlength, and then reminds the staff that another safety rope 2 is idle through single rope use signal, reduces the safety risk.
It should be noted that the processing unit may be communicatively coupled to the ground terminal. The ground terminal can be a processor such as a mobile phone and the like which is held by a ground guardian. When the processing unit outputs an idle signal, a same hanging point signal and a single-rope using signal, the signal is transmitted to the ground terminal to remind ground guardians. When the single-rope idle time is shorter than the second preset time and the processing unit monitors that the first rope end distance value D1 and the second rope end distance value D2 are alternately shorter than the preset distance value, the working personnel is judged to be in a displacement state at the moment, and a prompt is sent to the ground guardian through the ground terminal.
The above is the second embodiment provided in the present application, and the following is the third embodiment provided in the present application;
referring to fig. 3, in the safety belt state monitoring system for aerial work provided in this embodiment, on the basis of the first embodiment, at least three fixed sensing units 4 are provided; the three fixed induction units 4 are arranged on the safety belt body 1 at intervals; the three fixed sensing units 4 enclose a surface area.
Particularly, can enclose into the face territory through three fixed induction element 4, compare in single fixed induction element 4, can be so that become the mean value of three point induction by the single-point induction to the distance response between the hanging point induction element 3, judge that also become three-dimensional space with one-dimensional distance and judge that the precision and the validity that can improve rope end distance value.
Further, the hanging point distance value L comprises a horizontal distance value and a vertical distance 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 in the horizontal direction and the vertical direction.
Referring to fig. 4, after step S3, the method further includes:
and S31, judging whether the vertical distance value is smaller than a preset height distance value or not, and if so, outputting a low hanging signal.
After step S4, further comprising:
s41, judging whether the vertical distance value is smaller than a preset height distance value or not, and if so, outputting a low hanging signal.
That is, after the processing unit outputs the single rope use signal, whether the vertical distance value is smaller than the preset height distance value is judged, and if yes, a low hanging signal is output.
The processing unit is further used for judging whether the vertical distance value is smaller than the preset height distance value or not after the same hanging point signal is output, and if yes, outputting a low hanging signal.
Specifically, the processing unit outputs a low-hang signal to indicate that the hanging height of the safety rope 2 does not meet the requirement for high-hang low.
It should be noted that the processing unit is provided with an alarm; the same hanging point signal, the idle signal, the single-rope using signal and the low hanging signal are all output by the alarm. Each signal can be an acoustic signal, an optical signal, a vibration signal or an information signal lamp, and specifically, alarm information can be sent to workers, guardians and supervisors.
In this embodiment, the distance measurement technologies such as UWB broadband distance measurement positioning, bluetooth BLE positioning, WIFI positioning can be applied to the hanging point sensing unit 3 and the fixed sensing unit 4, and the distance measurement between the sensing units is realized.
The processing unit may further comprise a communicator, an integrated monitor, a data analysis memory and an interactor. Wherein, the communicator can adopt wireless transmission technologies such as 5G, WIFI, bluetooth, collects the data that the sensing element 3 of hanging a little and fixed sensing element 4 gathered, forwards relevant data and analysis result to comprehensive monitor to with alarm signal and warning information conveying to the alarm. The comprehensive monitor is used for analyzing distance data acquired by the hanging point sensing unit 3 and the fixed sensing unit 4, judging whether conditions of unused safety belts, high hanging and low hanging, displacement, single safety hanging rope use and the like exist or not, and sending out alarming and reminding signals. The data analysis memory is used for storing data. The interactor can provide data query and parameter setting functions through interactive equipment such as a small keyboard, a touch screen, a display or an LED screen.
The high-altitude operation safety belt state monitoring system provided by the embodiment can solve the problem that a ground guardian is difficult to supervise whether a high-altitude operation constructor correctly uses a safety belt, ensures the correct use of the safety belts with double safety ropes, and ensures that the upper part and the lower part of the constructor do not lose the safety belt protection in the displacement process, thereby more effectively realizing the measures for preventing personal safety accidents caused by high-altitude falling.
Although the present invention has been described in detail with reference to the examples, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made on the technical solutions described in the foregoing examples or on partial technical features of the technical solutions.
Claims (10)
1. The utility model provides an aerial working safety belt state monitoring system which characterized in that includes: 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 sensing unit is arranged on the safety belt body;
the fixed sensing unit and the two hanging point sensing units are 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 distance value between the two rope ends is smaller than a preset distance value or not, if not, executing a distance judging step, and if yes, recording the time length that the distance value between the two rope ends is smaller than the preset distance value to obtain the length of idle time;
the distance judging step is to judge whether the distance value of the hanging points is smaller than a preset distance 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 longer than a first preset time length.
2. The aerial work safety belt state monitoring system of claim 1, wherein 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 further used for outputting a single rope use signal when the single rope idle time is longer than a second preset time.
3. The aerial work safety belt condition monitoring system of claim 2, wherein the fixed sensing units comprise at least three;
the three fixed induction units are arranged on the safety belt body at intervals;
the three fixed induction units form a surface area in a surrounding mode.
4. The aerial work safety belt condition monitoring system of claim 3, wherein the hang point spacing values comprise a horizontal spacing value and a vertical spacing value;
the rope end distance value comprises a horizontal distance value and a vertical distance value.
5. The aerial work safety belt state monitoring system of claim 4, wherein the processing unit is further configured to determine whether the vertical spacing value is smaller than a preset height spacing value after outputting the single-rope usage signal, and if so, output a low-hang signal.
6. The aerial work safety belt state monitoring system as claimed in claim 4, wherein 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 so, output a low-hanging signal.
7. The aerial work safety belt state monitoring system of claim 6, wherein an alarm is provided on the processing unit;
the same hanging point signal, the idle signal, the single-rope using signal and the low hanging signal are all output by the alarm.
8. An aerial work safety belt state monitoring method is characterized by being applied to an aerial work safety belt state monitoring system as claimed in any one of claims 1 to 7;
the method comprises the following steps:
s1, judging whether the distance value between two rope ends is smaller than a preset distance value or not; if the two safety ropes are both in the idle state, entering the step S2; if the two safety ropes are not in the hanging state, the two safety ropes are in the hanging state, and the step S3 is carried out; if one is negative, one safety rope is in an idle state, and the step S4 is entered;
s2, recording the idle time of the two safety ropes, judging whether the idle time is greater than a first preset time, and if so, outputting an idle signal;
s3, judging whether the distance value of the hanging points is smaller than a preset distance value, and if so, outputting a signal of the same hanging point;
and 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 greater than a second preset time, and outputting a single rope use signal if the idle time of the single rope is greater than the second preset time.
9. The aerial work safety belt condition monitoring method as claimed in claim 8,
the safety belt state monitoring system for the aerial work comprises at least three fixed sensing units;
the hanging point distance value comprises a horizontal distance value and a vertical distance value;
the rope end distance value comprises a horizontal distance value and a vertical distance value;
after step S3, the method further includes:
and S31, judging whether the vertical distance value is smaller than a preset height distance value, and if so, outputting a low hanging signal.
10. The aerial work safety belt state monitoring method according to claim 9, wherein after the step S4, the method further comprises:
s41, judging whether the vertical distance value is smaller than a preset height distance value or not, and if so, outputting a low hanging signal.
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| US20150276521A1 (en) * | 2014-03-28 | 2015-10-01 | 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 |
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| JP6483213B1 (en) * | 2017-09-11 | 2019-03-13 | 株式会社プロップ | Audio output device for safety belt |
| WO2019086812A1 (en) * | 2017-11-03 | 2019-05-09 | Engie | Safety harness, safety equipment comprising said harness and protection method |
| 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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