CN106237562A - Automatically detection self-locking device and method of work thereof - Google Patents

Automatically detection self-locking device and method of work thereof Download PDF

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Publication number
CN106237562A
CN106237562A CN201610855721.XA CN201610855721A CN106237562A CN 106237562 A CN106237562 A CN 106237562A CN 201610855721 A CN201610855721 A CN 201610855721A CN 106237562 A CN106237562 A CN 106237562A
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China
Prior art keywords
locking device
self
module
voltage
circuit module
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Granted
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CN201610855721.XA
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Chinese (zh)
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CN106237562B (en
Inventor
王涛
李艳萍
胡显哲
鲁守银
隋首钢
王锬
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Shandong Jianzhu University
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Shandong Jianzhu University
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Priority to CN201610855721.XA priority Critical patent/CN106237562B/en
Publication of CN106237562A publication Critical patent/CN106237562A/en
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Publication of CN106237562B publication Critical patent/CN106237562B/en
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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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention discloses a kind of safety belt buckle detection device and method of work thereof, belong to detection field.Described safety belt buckle detection device includes that the sinusoidal voltage being sequentially connected with produces circuit module, inductance, current detection circuit module, MCU control circuit module, and described sinusoidal voltage produces signal generating module, signal amplification module and power amplifier module and the A/D modular converter that circuit module includes being sequentially connected with；Current/voltage modular converter that described current detection circuit module includes being sequentially connected with, filtration module, AC-DC conversion module；Described inductance is arranged in safety rope hanging ring, and two ends are connected with the signal output part of described power amplifier module and the signal input part of current/voltage modular converter respectively；The input of MCU control circuit module is connected with the outfan of A/D modular converter, and outfan connects alarm module.The operation information of safety rope can be real-time transmitted to MCU control circuit module by the present invention, it is achieved the Real-Time Scheduling of engineering, effectively reduces the generation of security incident.

Description

Automatically detection self-locking device and method of work thereof
Technical field
The present invention relates to detection field, particularly relate to a kind of detection self-locking device and method of work thereof automatically.
Background technology
Along with China's sustained and rapid development of economy, self-locking device is widely used in the every field of national economy, increasingly Many skyscraper outdoor constructions propose harsher requirement to the security performance of self-locking device.National regulation, high-altitude is outdoor Operating personnel must use of seat belts, and is buckled on the self-locking device on independent safety rope by the snap close on seat belt.Out of doors During the construction operation of high-altitude, causing the phenomenon of operating personnel's accidental falling to happen occasionally, its main cause is exactly that operating personnel lacks Safety consciousness, does not buckles well the self-locking device on safety rope and the snap close on seat belt, and this has just buried safe hidden to construction working Suffer from.
Self-locking device on existing safety rope is all common self-locking device, is i.e. buckled in self-locking device by the safety buckle on seat belt On guarantee the personal safety of workmen.This self-locking device has the disadvantage that: 1) cannot judge whether workmen wears safety Band；2) safety of workers band in work progress can not be detected in real time and wear situation；3) construction information can not be real-time transmitted to monitoring Center, it is impossible to carry out the Real-Time Scheduling of engineering.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of workman whether correct wear safety belt of can monitoring in real time Automatically self-locking device is detected.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
On the one hand, the present invention provides one automatically to detect self-locking device, including self-locking device, controller, also includes some resonance Circuit module and voltage detection circuit module, wherein:
Each resonance circuit module includes resistance coil, inductance, electric capacity C and the power supply generation module being sequentially connected in series, described Resonance circuit module is arranged at the side of self-locking device, and each inductance is arranged around a lockhole of described self-locking device respectively, all The two ends of electric capacity C all signal input parts with described voltage detection circuit module are connected, the letter of described voltage detection circuit module Number outfan connects first communication module, and the signal input part of described controller connects to be had and described first communication module communication The second communication module, the signal output part of described controller connects alarm module；
The selection of described inductance and electric capacity C makes when safety belt lock catch is normally buckled in the lockhole of described self-locking device, institute The resonance circuit stating resonance circuit module is operated in resonant condition.
Further, described self-locking device includes self-locking device part of the force and testing circuit part, described self-locking device forced section Divide be connected fixing with between testing circuit part, being internally provided with for printing described resonance circuit of described testing circuit part Module and the pcb board of voltage detection circuit module, described testing circuit part is provided with the hollow for being wound around described inductance Metallic channel, described hollow conductor groove is located in the lockhole of described self-locking device part of the force.
Further, the external diameter of described hollow conductor groove is less than the lockhole internal diameter 3～4mm of described self-locking device part of the force.
Further, described first communication module and second communication module all use Zigbee wireless communication module CC2530。
Further, described controller uses MSP430F149 single-chip microcomputer and the bias voltage of 1.25V.
Further, described alarm module at least includes an audible-visual annunciator.
On the one hand, the present invention provides the method for work of a kind of automatic detection self-locking device, including:
Step 1: described voltage detection circuit module gathers the magnitude of voltage at electric capacity C two ends, described electricity in described resonance circuit Pressure value transmits the A/D interface to described controller by described first communication module and second communication module；
Step 2: described controller judges the size of described magnitude of voltage, when described magnitude of voltage is more than or equal to preset value, Described controller judges that safety belt lock catch the most correctly latches in the lockhole of described self-locking device, and control safety rope motor or Motorized lift device normally works；When described magnitude of voltage is less than preset value, described controller is the most just judging safety belt lock catch Really latching in the lockhole of self-locking device, described controller controls alarm module and sends warning, and control safety rope motor or Motorized lift device quits work.
Further, the 9/ of the maximum voltage value that described preset value produces when being described resonance circuit module generation resonance 10。
The method have the advantages that
Compared with prior art, the resonance circuit module of the self-locking device of detection automatically of the present invention includes the electricity being sequentially connected in series Resistance, inductance, electric capacity C and power supply generation module, each inductance is arranged around a lockhole of self-locking device respectively, inductance and electric capacity C Selection make when safety belt lock catch is normally buckled in the lockhole of self-locking device, the resonance circuit of resonance circuit module is operated in humorous Shaking state, the magnitude of voltage at electric capacity C two ends is transferred to controller, controller detection electric capacity C two by the first and second communication modules Whether the magnitude of voltage of end is more than preset value, and when the magnitude of voltage at electric capacity C two ends is more than or equal to pre-value, controller judges seat belt Snap close the most correctly latches in the lockhole of self-locking device, and the motor or the Motorized lift device that control safety rope normally work；When When the magnitude of voltage at electric capacity C two ends is less than preset value, controller judges that safety belt lock catch the most correctly latches in the lockhole of self-locking device In, control the motor of safety rope or Motorized lift device is out of service is simultaneously emitted by alarm, treat that workman is by safety belt lock catch just After really latching in the lockhole of self-locking device, controller controls the motor of safety rope or Motorized lift device recovers normally to work shape State.The operation information of safety rope can be real-time transmitted to controller by detection self-locking device and the method for work thereof automatically of the present invention, Realize the Real-Time Scheduling of engineering, effectively reduce the generation of security incident.
Accompanying drawing explanation
Fig. 1 is the schematic diagram automatically detecting self-locking device of the present invention；
Fig. 2 is the structural representation that the safety belt lock catch of the automatically detection self-locking device of the present invention buckles into self-locking device；
Fig. 3 is the structural representation of the self-locking device of the self-locking device of detection automatically of the present invention；
Fig. 4 is the schematic diagram of the resonance circuit module of the self-locking device of detection automatically of the present invention；
Fig. 5 is the resonance curve of the resonance circuit module generation of the self-locking device of detection automatically of the present invention；
Fig. 6 is the Cleaning Principle figure automatically detecting self-locking device of the present invention；
Fig. 7 is the flow chart of the method for work of the self-locking device of detection automatically of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.
On the one hand, the present invention provides one automatically to detect self-locking device, as shown in Figures 1 to 6, including self-locking device 1, controller 6, some resonance circuit modules 2 and voltage detection circuit module 3, wherein:
Each resonance circuit module 2 includes resistance 21, inductance 22, electric capacity C23 and the power supply generation module 24 being sequentially connected in series, Resonance circuit module 2 is arranged at the side of self-locking device 1, and each inductance 22 is arranged around self-locking device 1 lockhole 111 respectively, The two ends of all electric capacity C23 all signal input parts with voltage detection circuit module 3 are connected, the letter of voltage detection circuit module 3 Number outfan connects first communication module 4, and the signal input part of controller 6 connects the had with first communication module communication 4 Two communication modules 5, the signal output part of controller 5 connects alarm module 7；
The selection of inductance 22 and electric capacity C23 makes when safety belt lock catch is normally buckled in the lockhole 111 of self-locking device 1, humorous The resonance circuit of circuit module 2 of shaking is operated in resonant condition.
Theoretical according to series connection RLC resonance circuit, when connect RLC resonance circuit generation resonance time, flow through the electric current of inductance Greatly.RLC oscillating circuit resonance curve is as it is shown in figure 5, wherein:
f 0 = 1 2 π L C
In formula: L is the inductance value in resonance circuit, C is the capacitance in resonance circuit, f0For the frequency of input voltage, The value of regulation L and C can make resonance circuit be operated in resonant condition.
In the present invention, when safety belt lock catch 8 is normally buckled in the lockhole 111 of self-locking device 1, by regulation resonance circuit Electric capacity in module 2 and the size of inductance, make resonance circuit be operated in resonant condition, and resonant frequency is f0, now flow through resonance Electric current in circuit is maximum, and as shown in Fig. 6 (a), the voltage at the electric capacity C two ends in resonance circuit module 2 is the biggest.Work as seat belt When snap close 8 is not buckled in the lockhole 111 of self-locking device 1, the inductance value in resonance circuit module 3 reduces rapidly, thus flows through humorous The electric current shaken in circuit reduces rapidly, and as shown in Fig. 6 (b), the voltage at electric capacity C23 two ends reduces the most rapidly, therefore can basis The size of the magnitude of voltage at the electric capacity C23 two ends in detection resonance circuit module 2 judges whether normally to wear seat belt.
Resistance 21 that the resonance circuit module 2 of the automatically detection self-locking device of the present invention includes being sequentially connected in series, inductance 22, electric capacity C23 and power supply generation module 24, each inductance 22 arranges around self-locking device 1 lockhole 111 respectively, is used for sensing safety rope Inductance, and by the inductive transmission that senses to electric capacity C23, the selection of inductance 22 and electric capacity C23 make when safety belt lock catch just When being often buckled in the lockhole 111 of self-locking device 1, the resonance circuit of resonance circuit module 2 is operated in resonant condition, electric capacity C23 two ends Magnitude of voltage be transferred to controller 6 by first communication module 4 and second communication module 5, controller 6 detects electric capacity C23 two ends Magnitude of voltage whether more than preset value, when the magnitude of voltage at electric capacity C23 two ends is more than or equal to preset value, controller 6 judges peace Full belt lock catch 8 the most correctly latches in the lockhole 111 of self-locking device 1, and the motor of control safety rope or Motorized lift device are just Often work；When the magnitude of voltage at electric capacity C23 two ends is less than preset value, controller 6 judges that safety belt lock catch the most correctly latches in In the lockhole 111 of self-locking device 1, control the motor of safety rope or Motorized lift device is out of service is simultaneously emitted by alarm, treat work After safety belt lock catch 8 is correctly latched in the lockhole of self-locking device 1 111 by people, controller 6 controls safety rope and recovers normally to work shape State.The operation information of safety rope can be real-time transmitted to controller by the self-locking device of detection automatically of the present invention, it is achieved the reality of engineering Time scheduling, effectively reduce the generation of security incident.
As a modification of the present invention, self-locking device 1 preferably includes self-locking device part of the force 11 and testing circuit part 12, Fix between self-locking device part of the force 11 with testing circuit part 12 and be connected, being internally provided with for printing of testing circuit part 12 Resonance circuit module 2 processed and the pcb board (not shown) of voltage detection circuit module 3, testing circuit part 12 is provided with for Being wound around the hollow conductor groove 121 of inductance 22, hollow conductor groove 121 is located in the lockhole 111 of self-locking device part of the force 11.Self-locking When device 1 normally works, self-locking device part of the force 11 and testing circuit part 12 are fixed together；When self-locking device 1 needs dimension When repairing or need to change, testing circuit part 12 can be removed easily, and such a testing circuit part 12 can be by many Secondary recycling.What hollow made by metallic channel 121 can protect inductance 22 without damage, it is also possible to make the lockhole of self-locking device 1 111 internal diameters reduce so that buckle into a safety belt lock catch in a lockhole 111 only, it is ensured that the accuracy of detection and self-locking The safety of device.
Preferably, the external diameter of hollow conductor groove 121 is less than lockhole 111 internal diameter 3～4mm of self-locking device part of the force 11.This Kind of structure is it can be avoided that due to the situation of the friction damage inductance between safety buckle and self-locking device lockhole in work progress, it is ensured that Testing circuit part is run steadily in the long term.
In order to realize one-to-many, the communication the most in time of multi-to-multi, first communication module 4 and second communication module 5 are the most excellent Choosing uses Zigbee wireless communication module CC2530.
Further, controller 6 preferably employs the bias voltage of MSP430F149 single-chip microcomputer and 1.25V.MSP430F149 Single-chip microcomputer volume is little, low in energy consumption, is suitable as the control CPU of measuring instruments.
Preferably, alarm module 7 at least includes an audible-visual annunciator.
On the other hand, the present invention provides the method for work of a kind of above-mentioned automatic detection self-locking device, as it is shown in fig. 7, comprises:
Step S1: voltage detection circuit module 3 gathers the magnitude of voltage at electric capacity C23 two ends, magnitude of voltage in resonance circuit module 2 The A/D interface to controller 6 is transmitted by first communication module 4 and second communication module 5；
Step S2: controller 6 judges the size of magnitude of voltage, when magnitude of voltage is more than or equal to preset value, controller 6 judges Safety belt lock catch the most correctly latches in the lockhole 111 of self-locking device 1, and just controls the motor of safety rope or Motorized lift device Often work；When magnitude of voltage is less than preset value, controller 6 judges that safety belt lock catch the most correctly latches in the lockhole of self-locking device 1 In 111, controller 6 controls alarm module 7 and sends warning, and controls motor or the Motorized lift device stopping work of safety rope Make.
The method of work of the self-locking device of detection automatically of the present invention is simple, it is possible to be real-time transmitted to by the operation information of safety rope Controller, it is achieved the Real-Time Scheduling of engineering, effectively reduces the generation of security incident.
Further, preset value can be that resonance circuit module 2 occurs the 9/10 of the maximum voltage value produced during resonance.Humorous The maximum voltage value produced when the circuit module 2 that shakes occurs resonance can along with selected resistance, inductance and electric capacity C size need not And change, but during owing to not being buckled in when safety belt lock catch in the lockhole 111 of self-locking device 1, the inductance in resonance circuit module Value can reduce rapidly, thus the electric current flowed through in resonance circuit module 2 reduces rapidly, and electric capacity C both end voltage reduces rapidly, so When preset value be resonance circuit module 2 there is resonance time produce maximum voltage value 9/10 time controller 6 can judge rapidly Whether safety belt lock catch is buckled in the lockhole 111 of self-locking device 1, and response time is short, it is possible to ensure the trouble free service of safety rope.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also Should be regarded as protection scope of the present invention.

Claims (8)

1. an automatic detection self-locking device, including self-locking device, controller, it is characterised in that also include some resonance circuit modules And voltage detection circuit module, wherein:
Each resonance circuit module includes resistance, inductance, electric capacity C and power supply generation module, the described resonance circuit being sequentially connected in series Module is arranged at the side of self-locking device, and each inductance is arranged around a lockhole of described self-locking device respectively, the two of all electric capacity C End all signal input parts with described voltage detection circuit module are connected, the signal output part company of described voltage detection circuit module Being connected to first communication module, the signal input part of described controller connects to be had and the second communication of described first communication module communication Module, the signal output part of described controller connects alarm module；
The selection of described inductance and electric capacity C makes when safety belt lock catch is normally buckled in the lockhole of described self-locking device, described humorous The resonance circuit of circuit module of shaking is operated in resonant condition.
Automatic detection self-locking device the most according to claim 1, it is characterised in that described self-locking device includes self-locking device forced section Divide and testing circuit part, fix between described self-locking device part of the force and testing circuit part and be connected, described testing circuit portion That divides is internally provided with for printing described resonance circuit module and the pcb board of voltage detection circuit module, described testing circuit Being provided with the hollow conductor groove for being wound around described inductance in part, described hollow conductor groove is located in described self-locking device forced section In the lockhole divided.
Automatic detection self-locking device the most according to claim 2, it is characterised in that the external diameter of described hollow conductor groove is less than institute State the lockhole internal diameter 3～4mm of self-locking device part of the force.
4. described automatically detect self-locking device according to arbitrary in claims 1 to 3, it is characterised in that described first communication module Zigbee wireless communication module CC2530 is all used with second communication module.
Automatic detection self-locking device the most according to claim 4, it is characterised in that described controller uses MSP430F149 mono- Sheet machine and the bias voltage of 1.25V.
Automatic detection self-locking device the most according to claim 5, it is characterised in that described alarm module at least includes a sound Light crossing-signal.
7. arbitrary described method of work automatically detecting self-locking device in claim 1 to 6, it is characterised in that including:
Step 1: described voltage detection circuit module gathers the magnitude of voltage at electric capacity C two ends, described magnitude of voltage in described resonance circuit The A/D interface to described controller is transmitted by described first communication module and second communication module；
Step 2: described controller judges the size of described magnitude of voltage, when described magnitude of voltage is more than or equal to preset value, described In controller judges the lockhole that safety belt lock catch the most correctly latches in described self-locking device, and control the motor of safety rope or electronic Lowering or hoisting gear normally works；When described magnitude of voltage is less than preset value, described controller judges that safety belt lock catch is the most correctly locked Being buckled in the lockhole of self-locking device, described controller controls alarm module and sends warning, and controls the motor of safety rope or electronic Lowering or hoisting gear quits work.
The method of work of automatic detection self-locking device the most according to claim 7, it is characterised in that described preset value is described The 9/10 of the maximum voltage value produced during resonance circuit module generation resonance.
CN201610855721.XA 2016-09-27 2016-09-27 Automatic detection self-locking device and its working method Expired - Fee Related CN106237562B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860990A (en) * 2017-10-13 2018-03-30 中建八局第二建设有限公司 A kind of self-locking device buckle quantity detecting system
WO2019157007A1 (en) * 2018-02-09 2019-08-15 3M Innovative Properties Company Fall protection equipment having inductive sensor for connection status and control
WO2021005467A1 (en) * 2019-07-10 2021-01-14 3M Innovative Properties Company Fall-protection apparatus with multimodal inductive sensing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098943A1 (en) * 2003-05-09 2004-11-18 Autoliv Development Ab A movable or removable seat for a motor vehicle
US20060142658A1 (en) * 2002-12-19 2006-06-29 Michael Perkuhn Fabric-integrated conductivity sensor
CN101796601A (en) * 2007-06-26 2010-08-04 胡夫·许尔斯贝克和菲尔斯特两合公司 Electronic status detection device
CN205273407U (en) * 2016-01-14 2016-06-01 重庆电讯职业学院 Safety belt uses detection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060142658A1 (en) * 2002-12-19 2006-06-29 Michael Perkuhn Fabric-integrated conductivity sensor
WO2004098943A1 (en) * 2003-05-09 2004-11-18 Autoliv Development Ab A movable or removable seat for a motor vehicle
CN101796601A (en) * 2007-06-26 2010-08-04 胡夫·许尔斯贝克和菲尔斯特两合公司 Electronic status detection device
CN205273407U (en) * 2016-01-14 2016-06-01 重庆电讯职业学院 Safety belt uses detection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860990A (en) * 2017-10-13 2018-03-30 中建八局第二建设有限公司 A kind of self-locking device buckle quantity detecting system
CN107860990B (en) * 2017-10-13 2023-12-01 中建八局第二建设有限公司 Self-locker buckle quantity detection system
WO2019157007A1 (en) * 2018-02-09 2019-08-15 3M Innovative Properties Company Fall protection equipment having inductive sensor for connection status and control
CN111699024A (en) * 2018-02-09 2020-09-22 3M创新有限公司 Fall protection device with inductive sensor for connection status and control
US11633633B2 (en) 2018-02-09 2023-04-25 3M Innovative Properties Company Fall protection equipment having inductive sensor for connection status and control
WO2021005467A1 (en) * 2019-07-10 2021-01-14 3M Innovative Properties Company Fall-protection apparatus with multimodal inductive sensing

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