WO2019086812A1 - Harnais de securité, équipement de sécurité le comportant et procédé de protection - Google Patents
Harnais de securité, équipement de sécurité le comportant et procédé de protection Download PDFInfo
- Publication number
- WO2019086812A1 WO2019086812A1 PCT/FR2018/052705 FR2018052705W WO2019086812A1 WO 2019086812 A1 WO2019086812 A1 WO 2019086812A1 FR 2018052705 W FR2018052705 W FR 2018052705W WO 2019086812 A1 WO2019086812 A1 WO 2019086812A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- force
- harness
- clamping
- loop
- Prior art date
Links
Classifications
-
- 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
- A62B35/0018—Full body harnesses covering at least shoulders and thighs
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/047—Specific indicating or recording arrangements, e.g. for remote indication, for indicating overload or underload
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/101—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using sensors inserted into the flexible member
Definitions
- the present invention relates to a safety harness, safety equipment comprising it and a method of protection. It applies to the field of construction site safety and sports safety.
- Document CN 106 492 368 and JP 2015 196 590 are known relating to the securing of an anchorage and not of a harness clamping.
- Document US 2010/231402 relates to harness port detection.
- the present invention aims to remedy all or part of these disadvantages.
- the present invention provides a safety harness comprising at least one loop intended to surround a part of the body of a user, which comprises:
- each measurement sensor for at least one loop, a sensor for measuring the clamping force exerted in said loop, each measurement sensor providing a signal representative of said force
- the comparing means is configured to compare the value represented by the signal provided by at least one measuring sensor with a predetermined maximum force value, the clamping fault signaling means signaling a clamping defect in the case where, for at least one measuring sensor, the measured force is greater than the predetermined maximum force value.
- the harness object of the invention comprises means for adjusting at least one predetermined force value.
- the minimum and maximum force values can be adapted to the wearer of the harness, including its weight, and / or local regulations.
- At least one measuring sensor constitutes an open electrical switch in the absence of a clamping force.
- the electrical consumption of the harness is zero when the harness is not worn.
- At least one measuring sensor constitutes a variable electrical resistance in the presence of a clamping force.
- At least one measuring sensor is a resistive force sensor or a variable resistance conductive fabric.
- the harness object of the invention comprises means for wireless communication, remotely, information representative of the state of at least one measuring sensor.
- the user can receive a security fault alert on a communicating terminal
- a security officer may be notified of the failure to secure the user of the equipment.
- the harness object of the invention comprises at least one thigh, buckle intended to surround the thigh of the user, and at least one sensor for measuring the clamping force of said thigh.
- the harness object of the invention comprises at least one strap, loop intended to surround the shoulder of the user, and at least one sensor for measuring the clamping force of said ramp.
- the harness object of the invention comprises a control box connected to at least one measuring sensor by a sewn conductive wire.
- the present invention relates to safety equipment comprising a harness object of the invention and a fastener for engaging a lanyard, a fastening engagement sensor with the lanyard, each engagement sensor providing a signal representative of the state of the engagement sensor, the clamping fault signaling means being configured to signal a failure of the engagement of the fastener.
- the attachment means for engaging the lanyard comprises a ring, a hook and a ring presence sensor in the hook.
- the lanyard has two hooks and, on each hook, a sensor for the presence of a mechanical part in said hook.
- At least one presence sensor in a hook is a sensor for modulating an electromagnetic field by said piece.
- the present invention is directed to a method of protecting a user wearing a harness comprising at least one loop intended to surround a body part of a user, which comprises:
- the method which is the subject of the invention furthermore comprises:
- FIG. 1 represents, in front view, safety equipment known in the state of the art
- FIG. 2 represents, in front view, a particular embodiment of a safety equipment object of the invention
- FIG. 3 represents, in an enlarged partial view of FIG. 2, a sensor inserted into a thigh strap
- FIG. 4 represents a response curve of a pressure sensor
- FIGS. 5A and 5B show, schematically, two electronic circuits comprising a pressure sensor
- FIGS. 6A and 6B show, schematically, the effects of a voltage on a voltage sensor positioned on a ramp
- FIGS. 7A and 7B show, schematically, two electronic circuits comprising a voltage sensor
- FIG. 8 represents, in front view, a hook provided with an engagement sensor on an anchor
- FIG. 9 represents, schematically, an electronic circuit comprising a photoresistor
- FIG. 10 represents, schematically, the implantation of housings in a particular embodiment of a device that is the subject of the invention.
- FIG. 11 represents, in the form of a logic diagram, steps of one embodiment of the method that is the subject of the invention.
- This equipment comprises a safety harness 20.
- This harness 20 comprises, formed by straps, several loops intended to surround a body part of a user:
- This harness is associated with a lanyard 27 ending in a carabiner 28 intended to engage in an anchor ring 29 forming a fastener for engagement of the carabiner 28.
- the lanyard 27 has a second carabiner, at the bottom in FIG. anchor the user to a docking point or handrail.
- Figure 1 shows the ring 29 in the ventral position. In other types of harness, this ring 29 is in the dorsal position.
- a harness 30 comprises, formed by straps, straps 31 and 32, a belt 33 closed by a closure 34, waders 35 and 36 and a lanyard 27 ending with a carabiner 39.
- Each of the waders 35 and 36 is provided with a clamping force measuring sensor 37.
- the belt 33 is provided with a clamping force measuring sensor 38
- the carabiner 39 is provided with an engagement sensor 40 on the ring 29. This engagement sensor 40 is inserted into a second control box 41.
- a first control box 42 is connected, in a wired manner by sewn conductor wire, to the different sensors 37, 38 and 40.
- the security elements, sensors and housings, of the safety harness 30 make it possible to know if this harness 30 is correctly positioned on the body of the user, if the buckles are correctly tightened and if the retaining lanyard 27 is engaged with the body. ring 29.
- the safety harness 30 which is the subject of the invention comprises:
- At least one loop 31, 32, 33, 35 and / or 36 intended to surround a part of the body of a user
- a sensor 37 and / or 38 for measuring the clamping force exerted in said loop, each measuring sensor providing a signal representative of said force
- the comparison means 42 is configured to compare the value represented by the signal provided by at least one measurement sensor with a predetermined maximum force value, the clamping fault signaling means 42 indicating a clamping defect in the case wherein, for at least one measuring sensor, the measured force is greater than the predetermined maximum force value.
- the harness comprises means for adjusting at least one predetermined force value.
- the means for comparing force, signaling a failure of clamping and adjusting the force values are integrated in the first housing 42, the second housing 41 ensuring the detection and signaling of fastening and / or lanyard engagement defects.
- the first housing 42 comprises an analog digital converter, a memory of minimum and maximum values, and a central processing unit of these values.
- the first and second control units 41 and 42 each comprise a wireless remote communication module for remotely transmitting information representative of the state of at least one sensor.
- this information representative of the state of at least one sensor represents the changes in state of the sensors, that is to say the closure and measurement of the clamping force of the loops and the engagement of the carabiner 39 in the ring 29 or their loosening or disengaging, respectively.
- This information is received by a terminal communicating with the user and / or by a terminal communicating with a person responsible for the security of the user.
- the term "communicating terminal” includes mobile phones, tablets, computers, connected watches, isolated worker protections (ITP) or isolated worker alarm devices (ITD).
- a PTI or DATI is a device used by one (or more) workers "out of sight and out of hearing” of other workers (examples: in a dangerous environment, for window cleaners.). This is a device to alert help in case of problems.
- the call can be triggered by the ITP or DATI voluntarily and / or automatically, in case of loss of verticality of the worker for example.
- the remote communication can use a short-range communication protocol, for example Bluetooth (registered trademark), which can be relayed by the communicating terminal implementing a long-range communication protocol, for example GSM (for Global System for Mobile Communications, or global system for mobile communications).
- a short-range communication protocol for example Bluetooth (registered trademark)
- GSM Global System for Mobile Communications, or global system for mobile communications
- the safety equipment comprising the harness 30 and the lanyard 27 makes it possible to ensure that a user, who works at height, wears his equipment correctly (waders and tight straps with a force between two predetermined minimum and maximum values, loop thoracic closed), but also that the carabiner 39 of the lanyard 27 is engaged on one of the rings of the harness, for example the ring 29.
- the lanyard 27 comprising a second engagement sensor for alerting a possible mooring fault. Signals, for example light, sound or vibratory, can alert the user when the connected harness or the connected lanyard is not properly used. This data will also be accessible or visible on the communicating terminal.
- the user can receive a security fault alert on a communicating terminal
- the information available on the state of the sensors can be consulted locally by visual signals, but also on a smartphone (or a smartphone, for example), or deported to another terminal (eg mobile phone, tablet, personal computer, protection of isolated PTI workers or connected watch).
- sensors are positioned at different locations of the harness and the lanyard.
- the harness 30 comprises, for at least one waders 56, a sensor 37 for measuring the clamping force of said waders, this sensor being a pressure sensor inserted between two parallel straps. and 58 of a thigh 56.
- This pressure sensor 37 is, for example FRS type (acronym for Force Sensitive Resistor or resistive force sensor).
- This sensor 37 is preferably connected by sewn conductor wires to the first control box 42.
- This pressure sensor 37 has a variable resistance, as a function of the pressure exerted on its surface, as illustrated in FIG. 4.
- the measurement of the variation of the electrical voltage applied to this variable resistor makes it possible to determine whether the user has sufficient or too tight the thigh, as shown in Figures 5A and 5B.
- the curve 59 represents the relationship between the force exerted on the abscissa and the resistance at the terminals of the clamping force measuring sensor, in the ordinate. If the pressure exerted is non-existent or insufficient, the clamping force measuring sensor 37 behaves as an infinite resistance (open circuit). The terminal 63 is then isolated from the electrical mass, no current flows, this limits the power consumption for the use of the device only.
- a force of about one Newton must be exerted.
- a voltage of about 0.5 V is then measured between the terminals 62 and 64 of the electrical equivalent sensor 37 of a variable resistor 60 connected in series with a fixed resistor 61, such as illustrated in FIGS. 5A and 5B.
- the use of a fixed resistor 61 of 10 KOhms makes it possible to limit the circulating current to 0.2 mA. It is noted that this value is much lower than the first perception threshold (0.5 mA) indicated for the prevention of electrical risks.
- the harness 30 comprises, for at least one strap 31 or 32, at least one sensor 38 for clamping said ramp.
- conductive fabrics 67 and 68 positioned on straps 65 and 66 that are mobile with respect to each other are used. the other.
- the clamping force of each strap 31 and 32 and / or each waders 35 and 36 is measured.
- FIG. 6A shows the case where the shoulder strap or the thigh strand is not tight: the conductive fabrics 67 and 68 do not overlap and therefore are not in contact.
- the electrical connection resistance 69 between the fabrics 67 and 68, then equivalent to an open switch, is infinite.
- Figure 6B shows the case where the strap or the thigh is tightened: the conductive fabrics 67 and 68 are superimposed and provide electrical continuity, their connection 69 is then equivalent to a variable resistor.
- a pressure sensitive conductive fabric is used (e.g., Velostat or Linqstat, registered trademarks). On each strap, this conductive fabric is sewn in such a way that, when the corresponding strap is in place and is tightened, the contact is formed between two strips of conductive fabric, variable electrical resistances 70 and 74 appearing between the terminals. 72 and 75.
- FIGS. 7A and 7B illustrate electronic circuits for implementing pressure-sensitive conductive fabrics, electrical equivalents of variable resistors 70 and 74.
- the conductive fabrics 67 and 68 have the electrical equivalent an open switch.
- the conductive fabrics 67 and 68 have the electrical equivalent of a variable resistor whose electrical resistance is lower as the loop of the harness is tightened.
- a predetermined voltage for example 0.1 V
- a predetermined voltage for example 0.1 V
- a fixed resistor 71 10 KOhms can limit the circulating current.
- a presence detection 77 verifies the engagement of the carabiner 76 with a portion 78 of the ring 29, by means of a magnetic detection. More generally, a presence sensor in a hook may be a modulation sensor of an electromagnetic field (electric, magnetic or light) by the portion 78 of the ring 29.
- each carabiner of the lanyard has a sensor verifying its engagement on a metal part (harness ring or mooring point)
- the electrical connections of at least one engagement sensor integrated with a carabiner to the second housing control 41 can be performed by conductive sewn son.
- the first control box 42 realizes:
- the clamping fault signaling in the case where, for at least one measuring sensor, the measured force is lower than the predetermined minimum force value or greater than the predetermined maximum force value.
- the first control box allows the adjustment of at least one predetermined force value.
- a user interface displayed on a display screen of the communicating terminal allows the assignment of a numerical value to each of the predetermined minimum and maximum force values.
- this user interface allows the assignment of a weight value of the user and / or applicable regulations and the communicating terminal determines the minimum and maximum force values to be taken into account.
- an engagement sensor is provided at each end of the lanyard 27, both on the harness side 30 and on the docking point side.
- the lanyard being associated but independent of the harness, a second electronic circuit and a second control box 41 are necessary.
- the first control box 42 light and / or sound indications are visible and / or audible by the user and sent to a communicating terminal.
- Embodiments of the device that is the subject of the invention can be adapted to the very different shapes of carabiners.
- two photoelectric cells serve as a presence detector at the second control box 41. The first one measures the nearby luminous intensity (reference value), the second is darkened as soon as an object is positioned in the optical field of the cell. This solution allows reliable operation even if the brightness is very low.
- the electrical resistance of each photocell varies with the incident light intensity.
- the light intensity is reduced on the second photocell and the difference between the emitted signal by the second photocell and the signal emitted by the first photocell means that the lanyard is correctly positioned.
- FIG. 9 represents an electronic assembly in the case of the use of a detection by a photoresistor 80 of the presence of a portion 78 of the ring in the carabiner 76.
- the electrical resistance, variable with the incident illumination, of this photoresistor 80 is measured by mounting it in series with a fixed electrical resistance 81, for example 10 KOhms, between the terminals 79 and 83 of the power supply, the measurement being made at the terminals 82 and 83 of the photoresistor 80.
- a comparison of the measured ambient light level with a complementary photoresistor 80 'in series with a fixed electrical resistance 81', and the light level in front of an obstacle (in our case, the anchor point) is preferable.
- the photoresistances 80 and 80 ' are identical but positioned in different places so that the illumination of the photoresistor 80' is not affected by the anchoring of the hook.
- the electrical resistors 81 and 81 ' are equal.
- FIG. 10 partially illustrates an embodiment of the harness that is the subject of the invention, comprising a back ring 84, an energy absorber 85, a lanyard 27, a first housing 42, a mooring hook 88 for attachment to a mooring 89 and a third housing 90, similar to the second housing 41.
- an electronic tag is provided at each of the predefined fixed docking points, and an electronic tag reader is integrated in the second electronic control unit 41 of the lanyard 27. The presence An electronic tag ensures that the lanyard connector is positioned on a fixed docking point.
- this solution would only be applicable if the handrail carries an identification signal, for example by forming an antenna.
- a magnetized piece is placed, the magnetization being detected by the engagement sensor to validate the stall.
- an identifier positioned on the mooring point or the handrail for example a label or a label
- a communication protocol such as RFID (for radio frequency identification or radiofrequency identification).
- Each harness and lanyard control box includes, for example:
- microcontroller card which manages the sensors
- a remote communication card for example according to the Bluetooth (registered trademark) protocol, which transfers information to a communicating terminal,
- a power supply for example battery or battery recharged via a connector, to power the cards of the housing and
- the housing preferably has a water splash protection index of at least IP67 and an impact resistance at least equal to an index IK8, in adequacy with the work on site.
- ATEX enclosure certification is required.
- Fixing the housing to the harness is preferably final, as opposed to a removable attachment.
- the measurement sensors control the tightening force of the waders, the straps and the closure of the sternal loop.
- the integration of pressure sensors does not pose a specific problem with some harnesses double straps or a single strap covered with a comfort material (foam for example), for example by positioning the pressure sensors between two straps.
- the second control box 41 and / or the third housing 90 of the retaining lanyard is connected to the first control box 42 of the harness by a non-wired connection.
- the retaining lanyard may be mechanically connected to the harness by a dorsal attachment point 84 of the harness (as shown in Figure 10), a ventral attachment point of the harness, a side attachment point of the harness.
- a supervision system made available to a team leader, allows the team leader to be informed of the status of the various sensors on the harness. and on the lanyard.
- the alarm signals addressed to the user are sound, light or vibratory, at the level of the boxes and / or at the communicating terminal.
- a device allows the user to indicate a voluntary stall leash.
- an electronic tag installed on the ventral loop can be used. When the user moves, he positions the carabiner 39 on the lap loop. It would position an electronic tag that would be identified as an "authorized point”.
- the communicating terminal performs additional functions that are useful for user security, such as the connection, if the data exchange protocol allows it, to other personal protection equipment (PPE). ), Shooting, Access Control, Outdoor Temperature Monitoring, Wireless Link Loss Monitoring, Noise Measurement, Last Minute Risk Analysis (LMRA).
- PPE personal protection equipment
- LMRA Last Minute Risk Analysis
- a harness comprising conductive textiles, for example comprising carbon nanotubes or graphene.
- the structure of the harness is then conductive.
- the pressure or voltage sensors comprise nano-LEDs optical barriers, magnetic sensors or ultrasonic sensors.
- sensors may be implemented to verify the positioning and correct tightening of the harness or the attachment of the lanyard on the harness or the mooring point.
- a step 96 of storage, with time stamping, of the information representative of the clamping defect is a step 96 of storage, with time stamping, of the information representative of the clamping defect.
- the method also comprises:
- a step 100 of storage, with time stamping, of the information representative of the defect is a step 100 of storage, with time stamping, of the information representative of the defect.
- the method also comprises:
- a step 103 for triggering an alarm at this terminal communicating with a supervisor and
- a step 104 of storage, with time stamp, of the triggering of this alarm a step 104 of storage, with time stamp, of the triggering of this alarm.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Lowering Means (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201880071830.XA CN111315452A (zh) | 2017-11-03 | 2018-10-31 | 安全背带、包括安全背带的安全设备和保护方法 |
BR112020008863-3A BR112020008863A2 (pt) | 2017-11-03 | 2018-10-31 | cinto de segurança, equipamento de segurança compreendendo o referido cinto e método de proteção |
EP18811334.4A EP3703826A1 (fr) | 2017-11-03 | 2018-10-31 | Harnais de securité, équipement de sécurité le comportant et procédé de protection |
US16/761,264 US20200282244A1 (en) | 2017-11-03 | 2018-10-31 | Safety harness, safety equipment comprising said harness and protection method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1760357 | 2017-11-03 | ||
FR1760357A FR3073149B1 (fr) | 2017-11-03 | 2017-11-03 | Equipement de securite et procede de protection |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019086812A1 true WO2019086812A1 (fr) | 2019-05-09 |
Family
ID=60955249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2018/052705 WO2019086812A1 (fr) | 2017-11-03 | 2018-10-31 | Harnais de securité, équipement de sécurité le comportant et procédé de protection |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200282244A1 (fr) |
EP (1) | EP3703826A1 (fr) |
CN (1) | CN111315452A (fr) |
BR (1) | BR112020008863A2 (fr) |
FR (1) | FR3073149B1 (fr) |
WO (1) | WO2019086812A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115212483A (zh) * | 2022-07-20 | 2022-10-21 | 广东电网有限责任公司 | 一种高空作业安全带状态监控系统与方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11274393B2 (en) * | 2017-03-13 | 2022-03-15 | Imagine Intelligent Materials Ltd | Piezoresponsive textile incorporating graphene |
JP2021532930A (ja) * | 2018-08-07 | 2021-12-02 | スリーエム イノベイティブ プロパティズ カンパニー | 落下防止機器の改良 |
US20210060366A1 (en) * | 2019-08-28 | 2021-03-04 | Oshkosh Corporation | Fall arrest system |
CN111905297A (zh) * | 2020-06-23 | 2020-11-10 | 武汉瑞莱保能源技术有限公司 | 一种高空作业安全管理系统及方法 |
USD1029401S1 (en) * | 2023-08-30 | 2024-05-28 | Chaoqun LI | Safety harness set |
Citations (7)
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US3440602A (en) * | 1966-04-26 | 1969-04-22 | Gen Motors Corp | Seat belt tension indicator |
US20020024205A1 (en) * | 2000-01-24 | 2002-02-28 | Curtis Brian Michael | Belt force sensor |
US20100231402A1 (en) | 2009-03-10 | 2010-09-16 | JCJ Inc. | Personal fall protection monitoring system |
JP2015196590A (ja) | 2014-04-03 | 2015-11-09 | 日本電設工業株式会社 | 安全確認装置 |
CN204932651U (zh) * | 2015-09-10 | 2016-01-06 | 江苏沃叶软件有限公司 | 多功能安全腰带 |
CN106492368A (zh) | 2017-01-06 | 2017-03-15 | 湖南大唐先科技有限公司 | 一种基于gprs通讯技术的电厂高空作业智能安全带 |
CN107812334A (zh) * | 2017-10-20 | 2018-03-20 | 辜碧霞 | 改进型检修安全保护带 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205948215U (zh) * | 2016-08-18 | 2017-02-15 | 中建八局第二建设有限公司 | 建筑施工安全带 |
-
2017
- 2017-11-03 FR FR1760357A patent/FR3073149B1/fr active Active
-
2018
- 2018-10-31 EP EP18811334.4A patent/EP3703826A1/fr not_active Withdrawn
- 2018-10-31 BR BR112020008863-3A patent/BR112020008863A2/pt not_active Application Discontinuation
- 2018-10-31 WO PCT/FR2018/052705 patent/WO2019086812A1/fr unknown
- 2018-10-31 CN CN201880071830.XA patent/CN111315452A/zh active Pending
- 2018-10-31 US US16/761,264 patent/US20200282244A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3440602A (en) * | 1966-04-26 | 1969-04-22 | Gen Motors Corp | Seat belt tension indicator |
US20020024205A1 (en) * | 2000-01-24 | 2002-02-28 | Curtis Brian Michael | Belt force sensor |
US20100231402A1 (en) | 2009-03-10 | 2010-09-16 | JCJ Inc. | Personal fall protection monitoring system |
JP2015196590A (ja) | 2014-04-03 | 2015-11-09 | 日本電設工業株式会社 | 安全確認装置 |
CN204932651U (zh) * | 2015-09-10 | 2016-01-06 | 江苏沃叶软件有限公司 | 多功能安全腰带 |
CN106492368A (zh) | 2017-01-06 | 2017-03-15 | 湖南大唐先科技有限公司 | 一种基于gprs通讯技术的电厂高空作业智能安全带 |
CN107812334A (zh) * | 2017-10-20 | 2018-03-20 | 辜碧霞 | 改进型检修安全保护带 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115212483A (zh) * | 2022-07-20 | 2022-10-21 | 广东电网有限责任公司 | 一种高空作业安全带状态监控系统与方法 |
Also Published As
Publication number | Publication date |
---|---|
US20200282244A1 (en) | 2020-09-10 |
BR112020008863A2 (pt) | 2020-10-20 |
EP3703826A1 (fr) | 2020-09-09 |
FR3073149B1 (fr) | 2021-08-20 |
CN111315452A (zh) | 2020-06-19 |
FR3073149A1 (fr) | 2019-05-10 |
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