CN106597985A - Gate control failure monitoring protection device and control method - Google Patents

Gate control failure monitoring protection device and control method Download PDF

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Publication number
CN106597985A
CN106597985A CN201710038120.4A CN201710038120A CN106597985A CN 106597985 A CN106597985 A CN 106597985A CN 201710038120 A CN201710038120 A CN 201710038120A CN 106597985 A CN106597985 A CN 106597985A
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CN
China
Prior art keywords
braking
control
plc
time
gate control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710038120.4A
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Chinese (zh)
Inventor
王贵峰
禹晓梅
吴玮
夏正龙
朱呈祥
胡福年
邹宽胜
闫俊荣
李春杰
李洪美
金鑫
尚睿
赵强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Normal University
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Jiangsu Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Normal University filed Critical Jiangsu Normal University
Priority to CN201710038120.4A priority Critical patent/CN106597985A/en
Publication of CN106597985A publication Critical patent/CN106597985A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/058Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/10Plc systems
    • G05B2219/14Plc safety
    • G05B2219/14006Safety, monitoring in general

Abstract

The invention provides a gate control failure monitoring protection device and a control method, relating to the technical field of key mine security such as electric braking protection in emergency braking performance monitoring and braking failures of a gate control system for mine hoist hydraulic braking. An independent UPS power supply, a PLC, and an incremental encoder are employed, the drive logic and process protection of an original hoist system are not affected. The real-time monitoring and recording of braking performance of a braking distance, a braking time, a braking deceleration in emergency braking of the gate control system is realized. The logic judgment of a gate control failure state is added, and a transmission device is enabled to carry out electric braking on motor secondary power-on. A man-machine interface HMI is used to display braking performance and alarm information in real time. According to the device, the improvement of the security of a mine hoisting system is facilitated.

Description

A kind of lock control failure monitor protection device and control method
Technical field
The present invention relates to mining hoist hydraulic braking gate control system brake hard performance monitoring and brake fade situation Under the crucial technical field of mine safety such as electric braking protection, specifically a kind of lock control suitable for mine hoisting system fails Monitoring and protecting device.
Background technology
Lift system is mainly made up of three parts as the throat link of mining production:Electric-control system, gate control system, Mechanical system, wherein gate control system are ensure mine hoist safety last one, are also a most important link.Gate control system The design of essential safety principle is based on, i.e., is in dead electricity, parking and emergency braking condition and is applied lock on-position.Therefore, just The design of lift system in the case of often is all based on the safe and reliable premise of gate control system, but gate control system is complicated as one Electric, Hydraulic coupling control system, occur unavoidably deviate its essential safety special operation condition, such as:Oil circuit blocking, PLC are dead Machine etc., so as to cause gate control system brake fade.
Once there is brake hard failure, electric-control system will be no longer participate in electric braking control to existing lift system, and complete The full frictional force brakes by gate control system by hydraulic control brake disc, electric-control system are no longer participate in any follow-up monitoring with electricity Gas is braked, once so the above-mentioned gate control system failure conditions of appearance, will cause to fall the serious security incidents such as tank, roof fall.Therefore, It is necessary to carry out lock control performance real-time monitoring, and the detection and corresponding counter-measure to lock control failure operating mode is studied, Perfect solution is proposed, corresponding control device is developed.
The content of the invention
For deficiency of the existing mine hoisting electric-control system in terms of gate control system monitoring with fail safe, the present invention is provided A kind of lock control failure detection protection device and control method, according to lock control safety relay state, braking start and at the end of Stroke, speed actual value, complete the monitoring to braking ability during gate control system brake hard, are the preventative dimension of gate control system Shield improves foundation;According to speed of service when lock control safety relay state, maximum braking deceleration and braking, lock control is capable of achieving The automatic diagnosis of failure, and directly send electric braking instruction to drive system, it is to avoid the further expansion of failure.The device It is favorably improved the safety of lift system.
Lock control failure monitor protection device, using independent ups power, PLC, incremental encoder, it is ensured that monitoring with The mutual independence of defencive function and electric-control system;Code device signal is directly accessed PLC high-speed counting passages, for position and speed Degree detection;Gate control system safety return circuit relay is directly accessed PLC and opens access point, for judging braking initial time;PLC output controls System instruction is directly connected with the control terminal of actuating device, for controlling secondary electric braking, need not change electric control system controls Logic;All detections are all completed by device PLC internal processes with defencive function.
The present invention control method be:
(1)When safety return circuit relay is by " 1 " change " 0 ", PLC module internal timer starts timing, and records current time Traveled distance value S1 and velocity amplitude V1 are detected by incremental encoder;
(2)When speed reduces to 0m/s, stop timing and record the time T1 and traveled distance value S2 of current timer record, then Braking ability index is accordingly:Braking time is T1;Braking distance ABS is S1-S2;Braking deceleration a=V1/T1, if system Dynamic deceleration is less than 1.5m/s2Then alert, and all detection informations in man machine interface are shown in real time and recorded;
(3)When occur brake hard when, PLC module according to currently by incremental encoder detection values for actual speed V1, according to Braking deceleration is 1.5m/s2Calculating deceleration time is designated as T2, and starts timer T3;
(4)Work as T3-T2>If speed is changed into " 1 " from " 0 " still without 0m/s, PLC module output point Q1 states is reduced to during 3s, electricity Gas braking control relay adhesive, enabling actuating device carries out electric braking to the secondary upper electricity of motor, and shows in man machine interface Show corresponding warning message.
The invention has the beneficial effects as follows:
1) continuous monitoring to gate control system braking ability is realized with record, the preventive maintenance for gate control system provides ginseng Examine;
2) realize the secondary electric electric braking control of the automatic diagnosis to lock control failure state and actuating device, it is to avoid therefore The further extension of barrier;
3) data record and police instruction adopt Human machine interface, communications protocol to adopt MPI standard industrial protocol, system knot Structure is simple, easy to operate, and information is comprehensively, intuitively;
4) device does not affect the driving logic and technique protection of original lift system, is conducive to raising to carry independently of electric-control system The safety of the system of liter.
Description of the drawings
Fig. 1 lock control failure monitors protection system is constituted.
Fig. 2 lock control failure monitor protection system electrical schematic diagrams.
In figure:1st, gate control system, 2, lock control failure monitor protection device, 3, incremental encoder, 4, rectifier transformer, 5, Actuating device, 6, motor, cylinder, 7, cage or skip bucket, 8, HMI man machine interfaces, 9, ups power, 10, Switching Power Supply, 11, PLC Module, 12, electric braking control relay.
Specific embodiment
As depicted in figs. 1 and 2, lock control failure monitor protection device input signal include the safety return circuit of gate control system 1 after The pulse signal of electrical appliance state, incremental encoder 3, controlled device be actuating device 5, lock control failure monitoring protection switch board 2 Interior capital equipment includes:Man machine interface 8, ups power 9, Switching Power Supply 10,11 CPU312C of PLC module, electric braking control after Electrical equipment 12.
Rectifier transformer 4 is powered to actuating device 5.Gate control system course of normal operation is:During driving, electric-control system sends Spacious lock instruction, the control oil pressure of gate control system 1 rises to be opened brake disc, while enabling 5 output current motor of actuating device, rolling Cylinder 6 is rotated, and drags skip bucket or cage 7 completes the transport of personnel, material on well, between down-hole;During parking, electric-control system sends and applies Lock is instructed, the rapid back to zero band-type brake of the control oil pressure of gate control system 1, while blocking the electric current output of actuating device 5.
The braking ability monitoring function implementation process of this lock control failure monitor protection device is as follows:
(1)When safety return circuit relay is by " 1 " change " 0 ", PLC module internal timer starts timing, and records current time Traveled distance value S1 and velocity amplitude V1 are detected by incremental encoder;
(2)When speed reduces to 0m/s, stop timing and record the time T1 and traveled distance value S2 of current timer record, then Braking ability index is accordingly:Braking time is T1;Braking distance ABS is S1-S2;Braking deceleration a=V1/T1, if system Dynamic deceleration is less than 1.5m/s2Then alert, and all detection informations in man machine interface are shown in real time and recorded;
(3)When occur brake hard when, PLC module according to currently by incremental encoder detection values for actual speed V1, according to Braking deceleration is 1.5m/s2Calculating deceleration time is designated as T2, and starts timer T3;
(4)Work as T3-T2>If speed is changed into " 1 " from " 0 " still without 0m/s, PLC module output point Q1 states is reduced to during 3s, electricity Gas braking control relay adhesive, enabling actuating device carries out electric braking to the secondary upper electricity of motor, and shows in man machine interface Show corresponding warning message.

Claims (2)

1. a kind of lock control failure monitor protection device, it is characterised in that:The device includes lock control failure monitor protection switch board, people Machine interface HMI;Wherein:Lock control failure monitor protect switch board by:Independent ups power, PLC, incremental encoder composition;Increase Amount formula code device signal is directly accessed PLC high-speed counting passages, for position and velocity measuring;Gate control system safety return circuit relay Device is directly accessed PLC and opens access point, for judging braking initial time;The instruction of PLC output controls is directly electric with actuating device Control for brake terminal connects, for controlling secondary electric braking;PLC is communicated with Human machine interface according to MPI communications protocol, is shown Show data and the warning of current detection.
2. a kind of control method of lock control failure monitor protection device, it is characterised in that:Comprise the following steps:
(1)When safety return circuit relay is by " 1 " change " 0 ", PLC module internal timer starts timing, and records current time Traveled distance value S1 and velocity amplitude V1 are detected by incremental encoder;
(2)When speed reduces to 0m/s, stop timing and record the time T1 and traveled distance value S2 of current timer record, then Braking ability index is accordingly:Braking time is T1;Braking distance ABS is S1-S2;Braking deceleration a=V1/T1, if system Dynamic deceleration is less than 1.5m/s2Then alert, and all detection informations in man machine interface are shown in real time and recorded;
(3)When occur brake hard when, PLC module according to currently by incremental encoder detection values for actual speed V1, according to Braking deceleration is 1.5m/s2Calculating deceleration time is designated as T2, and starts timer T3;
(4)Work as T3-T2>If speed is changed into " 1 " from " 0 " still without 0m/s, PLC module output point Q1 states is reduced to during 3s, electricity Gas braking control relay adhesive, enabling actuating device carries out electric braking to the secondary upper electricity of motor, and shows in man machine interface Show corresponding warning message.
CN201710038120.4A 2017-01-19 2017-01-19 Gate control failure monitoring protection device and control method Pending CN106597985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710038120.4A CN106597985A (en) 2017-01-19 2017-01-19 Gate control failure monitoring protection device and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710038120.4A CN106597985A (en) 2017-01-19 2017-01-19 Gate control failure monitoring protection device and control method

Publications (1)

Publication Number Publication Date
CN106597985A true CN106597985A (en) 2017-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710038120.4A Pending CN106597985A (en) 2017-01-19 2017-01-19 Gate control failure monitoring protection device and control method

Country Status (1)

Country Link
CN (1) CN106597985A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181507A (en) * 2019-05-07 2019-08-30 成都卡诺普自动化控制技术有限公司 A kind of emergency stop control method and system for robot
CN110980461A (en) * 2019-12-05 2020-04-10 南京理工大学 Elevator braking performance dynamic detection system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181507A (en) * 2019-05-07 2019-08-30 成都卡诺普自动化控制技术有限公司 A kind of emergency stop control method and system for robot
CN110181507B (en) * 2019-05-07 2020-11-20 成都卡诺普自动化控制技术有限公司 Emergency stop control method and system for robot
CN110980461A (en) * 2019-12-05 2020-04-10 南京理工大学 Elevator braking performance dynamic detection system and method

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