CN206451022U - A kind of lock control failure monitor protection device - Google Patents
A kind of lock control failure monitor protection device Download PDFInfo
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- CN206451022U CN206451022U CN201720062973.7U CN201720062973U CN206451022U CN 206451022 U CN206451022 U CN 206451022U CN 201720062973 U CN201720062973 U CN 201720062973U CN 206451022 U CN206451022 U CN 206451022U
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- lock control
- control system
- control failure
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Abstract
A kind of lock control failure monitor protection device, is related to the crucial technical field of mine safety such as electric braking protection in the case of mining hoist hydraulic braking gate control system brake hard performance monitoring and brake fade.The utility model does not influence driving logic and the technique protection of original lifting system using independent ups power, PLC, incremental encoder；The real-time monitoring of the braking ability such as braking distance, braking time, braking deceleration and record when realizing gate control system brake hard；The logic judgment to lock control failure state is added, and transmission device can be enabled and carries out electric braking to the secondary upper electricity of motor；Shown in real time using Human machine interface and record braking ability and warning message.The device is conducive to improving the security of mine hoisting system.
Description
Technical field
The utility model is related to mining hoist hydraulic braking gate control system brake hard performance monitoring and brake fade
In the case of the crucial technical field of mine safety, specifically a kind of lock control suitable for mine hoisting system such as electric braking protection
Failure monitor protection device.
Background technology
Lifting system is mainly made up of as the throat link of mining production three parts：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 applies lock on-position.Therefore, just
The design of lifting system is all based on the safe and reliable premise of gate control system in the case of often, but gate control system is used as a complexity
Electric, Hydraulic coupling control system, occur unavoidably deviate its essential safety special operation condition, such as：Oil circuit is blocked, PLC is dead
Machine etc., so as to cause gate control system brake fade.
Existing lifting system is once occur brake hard failure, and electric-control system will be no longer participate in electric braking control, and complete
Complete to rely on frictional force brakes of the gate control system by hydraulic control brake disc, electric-control system is no longer participate in any follow-up monitoring and electricity
Gas is braked, so once there are above-mentioned gate control system failure conditions, will cause the serious security incidents such as pendant tank, roof fall.Therefore,
It is necessary to monitor lock control performance in real time, and the detection and corresponding counter-measure of 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 is monitored with fail safe, the utility model
A kind of lock control failure detection protection device and control method are provided, starts and terminates according to lock control safety relay state, braking
When stroke, speed actual value, complete to gate control system brake hard when braking ability monitoring, be the prevention of gate control system
Property safeguard improve foundation；According to speed of service when lock control safety relay state, maximum braking deceleration and braking, it can be achieved
The automatic diagnosis of lock control failure, and directly send electric braking instruction to transmission system, it is to avoid the further expansion of failure.Should
Utility model device is favorably improved the security of lifting 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 transmission device, for controlling secondary electric braking, without changing electric control system controls
Logic；All detections are all completed with defencive function by device PLC internal processes.
The control method of the present apparatus is：
（1）When safety return circuit relay is by " 1 " change " 0 ", PLC module internal timer starts timing, and records current
Moment detects traveled distance value S1 and velocity amplitude V1 by incremental encoder；
（2）When speed reduces to 0m/s, stop timing and record the time T1 and traveled distance value of current timer record
S2, then corresponding braking ability index be：Braking time is T1；Braking distance ABS is S1-S2；Braking deceleration a=V1/T1,
If braking deceleration is less than 1.5m/s2Then alert, and all detection informations are shown in real time in man-machine interface
And record；
（3）When occurring brake hard, PLC module according to the currently values for actual speed V1 that is detected by incremental encoder,
It is 1.5m/s according to braking deceleration2Calculating deceleration time is designated as T2, and starts timer T3；
（4）Work as T3-T2>If speed is changed into still without 0m/s, PLC module output point Q1 states is reduced to from " 0 " during 3s
" 1 ", electric braking control relay adhesive enables transmission device and carries out electric braking to the secondary upper electricity of motor, and on man-machine boundary
Corresponding warning message is shown on face.
The beneficial effects of the utility model are：
1) continuous monitoring and record to gate control system braking ability are realized, is provided for the preventive maintenance of gate control system
Reference；
2) the automatic diagnosis to lock control failure state and the secondary electric electric braking control of transmission device are realized, it is to avoid
The further extension of failure；
3) data record and police instruction use Human machine interface, and communications protocol uses MPI standard industrial protocol, is
System is simple in construction, easy to operate, and information is comprehensively, intuitively；
4) device does not influence driving logic and the technique protection of original lifting system, is conducive to carrying independently of electric-control system
The security of high lifting system.
Brief description of the drawings
Fig. 1 lock controls failure monitor protection system is constituted.
Fig. 2 lock controls failure monitor protects system electrical schematic diagram.
In figure：1st, gate control system, 2, lock control failure monitor protection device, 3, incremental encoder, 4, rectifier transformer, 5,
Transmission device, 6, motor, roller, 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.
Embodiment
As depicted in figs. 1 and 2, the safety return circuit of lock control failure monitor protection device input signal including gate control system 1 after
The pulse signal of electrical appliance state, incremental encoder 3, controlled device is transmission 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, the CPU312C of PLC module 11, electric braking control after
Electrical equipment 12.
Rectifier transformer 4 is powered to transmission device 5.Gate control system course of normal operation is：Electric-control system is sent during driving
Spacious lock instruction, the control oil pressure of gate control system 1, which rises, opens brake disc, while enabling the output current motor of transmission device 5, rolling
The rotation of cylinder 6, dragging skip bucket or cage 7 are completed on well, personnel, the transport of material between underground；Electric-control system, which is sent, during parking applies
Lock is instructed, the control rapid back to zero band-type brake of oil pressure of gate control system 1, while blocking the electric current output of transmission 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
Moment detects traveled distance value S1 and velocity amplitude V1 by incremental encoder；
（2）When speed reduces to 0m/s, stop timing and record the time T1 and traveled distance value of current timer record
S2, then corresponding braking ability index be：Braking time is T1；Braking distance ABS is S1-S2；Braking deceleration a=V1/T1,
If braking deceleration is less than 1.5m/s2Then alert, and all detection informations are shown in real time in man-machine interface
And record；
（3）When occurring brake hard, PLC module according to the currently values for actual speed V1 that is detected by incremental encoder,
It is 1.5m/s according to braking deceleration2Calculating deceleration time is designated as T2, and starts timer T3；
（4）Work as T3-T2>If speed is changed into still without 0m/s, PLC module output point Q1 states is reduced to from " 0 " during 3s
" 1 ", electric braking control relay adhesive enables transmission device and carries out electric braking to the secondary upper electricity of motor, and on man-machine boundary
Corresponding warning message is shown on face.
Claims (1)
1. a kind of lock control failure monitor protection device, it is characterised in that：The device includes lock control failure monitor and protects 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 transmission device
Control for brake terminal is connected, for controlling secondary electric braking；PLC is communicated according to MPI communications protocol and Human machine interface, is shown
Show data and the alarm of current detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062973.7U CN206451022U (en) | 2017-01-19 | 2017-01-19 | A kind of lock control failure monitor protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062973.7U CN206451022U (en) | 2017-01-19 | 2017-01-19 | A kind of lock control failure monitor protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451022U true CN206451022U (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720062973.7U Active CN206451022U (en) | 2017-01-19 | 2017-01-19 | A kind of lock control failure monitor protection device |
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| CN (1) | CN206451022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597985A (en) * | 2017-01-19 | 2017-04-26 | 江苏师范大学 | Gate control failure monitoring protection device and control method |
-
2017
- 2017-01-19 CN CN201720062973.7U patent/CN206451022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597985A (en) * | 2017-01-19 | 2017-04-26 | 江苏师范大学 | Gate control failure monitoring protection device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200602 Address after: 221100 Xuzhou national security science and Technology Industrial Park, Lijiang Road, Xuzhou high tech Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Kelu Electric Co.,Ltd. Address before: 221000 Shanghai Road, Copper Mt. District, Jiangsu, No. 101, No. Patentee before: Jiangsu Normal University |