CN103508362A - Monitoring terminal of liquid crystal type brake clearance - Google Patents
Monitoring terminal of liquid crystal type brake clearance Download PDFInfo
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- CN103508362A CN103508362A CN201310324366.XA CN201310324366A CN103508362A CN 103508362 A CN103508362 A CN 103508362A CN 201310324366 A CN201310324366 A CN 201310324366A CN 103508362 A CN103508362 A CN 103508362A
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- liquid crystal
- monitoring terminal
- brake
- crystal type
- brake clearance
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Abstract
The invention discloses a monitoring terminal of a liquid crystal type brake clearance. An STM32 is used for respectively controlling the input of a 16-bit ADC, the input of a 485 communication interface, the input of a three-route no-source switch and the output of a relay. Data measuring is carried out on the winch brake plate motion amount, parameters of all points are monitored in real time, the running state of a brake device is represented clearly, a monitoring system can know failures or failure tendencies in advance, major accidents of damage of a hoist and the loss of human life are avoided, time is greatly saved for maintainers, and the stopping time, caused by maintaining, of the hoist is shortened, and the lifting capacity of coal is increased. By means of the monitoring terminal, a hoisting winch brake-shoe clearance can be judged correctly, manual clearance detection is replaced, the accuracy of data is improved, and meanwhile the safety of the running of the winch is improved. The monitoring terminal has the advantages of being simple in structure, convenient to operate and the like. The data can be displayed through a liquid crystal screen in real time, and the monitoring terminal is suitable for being popularized and applied widely.
Description
[technical field]
The present invention relates to a kind of monitoring terminal, be specifically related to the monitoring terminal of a kind of liquid crystal type brake clearance.
[background technology]
Known, lifting winch is being born mine hoisting raw coal as lifting means, spoil, lifting personnel, the tasks such as lower putting material and equipment, the quality of its drive ability and good and bad normal production and the output that not only directly has influence on mine, and can have influence on equipment and personal safety, therefore, lifting winch is all must have enough safety control technically with on equipment quality, lifting winch in use, its brake clearance is an important indicator weighing lifting winch safety, in " safe coal rules ", clearly regulation brake clearance must be less than 2mm, but the brake shoe of lifting winch in use, can be because mechanical movement repeatedly makes brake clearance surpass safety rate, make lifting winch braking flashboard lose braking function, finally to equipment, leave potential safety hazard, in actual use, operating personal is often by adjusting in time brake clearance according to the data that record after manual measurement, but adopt the change amount of manual measurement lifting winch brake clearance to be difficult to, and take off data inaccuracy, and the cycle is very long, greatly reduce production efficiency, to the safe in operation of lifting winch, be a very large hidden danger simultaneously, and all once there is the grave accident causing because hydraulic brake system is malfunctioning in a lot of ore deposits, personal casualty and economic asset are suffered heavy losses, conventionally direct economy is millions of at least, up to ten million at most, recover Lifting Convey production and at least need 7～9 day time, indirect loss reaches more than one hundred million units.
[summary of the invention]
In order to overcome the deficiency of above-mentioned technology, the invention provides the monitoring terminal of a kind of liquid crystal type brake clearance, the present invention controls respectively 16 ADC by STM32, 485 communication interface He San roads have no chance the relay output of switch input Ji Yi road, winch drag brake plate amount of exercise is carried out to data determination, each parameter of Real-Time Monitoring, the operation conditions of brake equipment is very clear, fault or while having fault trend this monitoring system can predict in advance, can avoid gig fatal crass's grave accident, and greatly saved the time for service personnel, shortened because overhauling and made gig parking period, increased the lifting capacity of coal.
For realizing goal of the invention as above, the present invention adopts technical scheme as described below:
The monitoring terminal of a kind of liquid crystal type brake clearance, comprise voltage transformation module, liquid crystal display, 485 communication interfaces, STM32, 16 ADC, keyboard indicator He San road has no chance the relay output of switch input Ji Yi road, the input end of described voltage transformation module connects power supply, described power supply is communicated with 220V civil power, the mouth of voltage transformation module connects respectively STM32 and liquid crystal display, described STM32 connects respectively 16 ADC, 485 communication interfaces, keyboard indicator He San road has no chance the relay output of switch input Ji Yi road, described 16 ADC connect 6 tunnel analog input mouths, described liquid crystal display connects by data line the monitoring terminal that STM32 forms described liquid crystal type brake clearance.
The monitoring terminal of described liquid crystal type brake clearance, described 6 tunnel analog input mouths are arranged on the sensor on each brake disc by circuit or wireless connection respectively.
The monitoring terminal of described liquid crystal type brake clearance, described brake disc be set to six and take every three be one group of both sides that are arranged on brake support frame, described every group of brake disc is that interval arranges.
The monitoring terminal of described liquid crystal type brake clearance, described sensor is analog sensor
The monitoring terminal of described liquid crystal type brake clearance, described 485 communication interfaces connect controller.
The monitoring terminal of described liquid crystal type brake clearance, described controller is computing machine.
The monitoring terminal of described liquid crystal type brake clearance, described STM32 is provided with upgrading mouthful.
Adopt technical scheme as above, the present invention has preceence as described below:
The monitoring terminal of a kind of liquid crystal type of the present invention brake clearance, the present invention controls respectively 16 ADC by STM32, 485 communication interface He San roads have no chance the relay output of switch input Ji Yi road, winch drag brake plate amount of exercise is carried out to data determination, each parameter of Real-Time Monitoring, the operation conditions of brake equipment is very clear, fault or while having fault trend this monitoring system can predict in advance, can avoid gig fatal crass's grave accident, and greatly saved the time for service personnel, shortened because overhauling and made gig parking period, increased the lifting capacity of coal, the present invention can make correct judgement to lifting winch brake clearance, replace artificial gap detection, improve the accuracy of data, also improved the safety of winch operation simultaneously, the present invention has simple in structure, the feature such as easy to operate, and can by liquid crystal display, show data in real time, be applicable to large-scale promotion and application.
[accompanying drawing explanation]
Fig. 1 is principle schematic of the present invention;
[specific embodiment]
By the following examples, can explain in more detail the present invention, the present invention is not limited to the following examples;
The monitoring terminal of a kind of liquid crystal type brake clearance described in 1 by reference to the accompanying drawings, comprise voltage transformation module, liquid crystal display, 485 communication interfaces, STM32, 16 ADC, keyboard indicator He San road has no chance the relay output of switch input Ji Yi road, the input end of described voltage transformation module connects power supply, described power supply is communicated with 220V civil power or ups power, the mouth of voltage transformation module connects respectively STM32 and liquid crystal display is STM32 and liquid crystal display power supply, described STM32 is provided with the upgrading mouth for real-time upgrading, wherein STM32 connects respectively 16 ADC, 485 communication interfaces, keyboard indicator He San road has no chance the relay output of switch input Ji Yi road, described 16 ADC connect 6 tunnel analog input mouths, described 6 tunnel analog input mouths are arranged on the sensor on each brake disc by circuit or wireless connection respectively, described brake disc be set to six and take every three be one group of both sides that are arranged on brake support frame, described every group of brake disc is that interval arranges, described sensor is analog sensor, described liquid crystal display connects STM32 by data line and shows the monitoring terminal of the liquid crystal type brake clearance described in the data formation of STM32, described 485 communication interfaces connect controller, described controller is computing machine.
The monitoring terminal of a kind of liquid crystal type of the present invention brake clearance, can make correct monitoring to winch drag brake sheet separation amount, when exceeding standard, above data volume makes alarm, the present invention can make correct judgement to lifting winch brake clearance after installing, replace artificial gap detection, improve the accuracy of data, also improved the safety of winch operation simultaneously, can be winch safe operation simultaneously significant data is provided, can make correct monitoring to winch drag brake sheet separation amount, when exceeding standard, above data volume makes alarm, therefore, social benefit of the present invention and economic benefit are very remarkable.
The present invention has following principal feature:
A), 5.0 inches, the wide temperature liquid crystal display of industrial grade dot matrix of 640*480, both pictures and texts are excellent, abundant information;
B) friendly interface, easy operating, the main interface of working is simple, and complete fully automatic operation, without personnel's operation, supports the parameter page on the backstage at main interface password to be set by user, and lay man can not enter change;
C) speed is fast, real-time high-efficiency, and can be real-time on liquid crystal display pass through each brake disc gap state and the working sensor state that explanatory note terminal monitors;
D) device used in terminal, all selected industrial grade other.Antijamming capability is strong, and the life-span is long, is more suitable for the environment in mine;
E) between external interface and the power circuit of terminal, all accomplish actv. isolation, be not subject to the impact of external environment;
F) adopt failure-free button pattern, being more conducive in the environment of the many dirt in mine can valid function;
G) can realize distant place communication function by 485 communication interfaces, convenient and other electric room communication;
H) application of power filter, power monitoring and multiple anti-electromagnetic interference technology, has guaranteed the safe and reliable operation of equipment;
I) in terminal, adopt modularization and structurized design, be convenient to installation and maintenance.
The monitoring terminal of a kind of liquid crystal type of the present invention brake clearance is in practice process, the signal that has no chance switch input by three tunnels is determined the residing state of brake disc, after the closing switch release signal receiving from hoister control system, automatically by sensor, gather analog signals, ARM operation A D conversion chip carries out analogue to digital conversion computing and is processed into position signal the analog signals receiving, then this position signal value and brake disc are compared in the positional value under "on" position, draw relative displacement value, namely desired brake clearance is worth, and these real-time number signals are shown by liquid crystal display, when terminal is received declutching during switch closure signals from hoister control system, the present invention will calculate the aviation value of the brake clearance value of each brake disc that 1.5 second time gathered automatically, by liquid crystal display, show.
Software application C51 advanced language programming of the present invention, full menu in Chinese, modern design, perfect in shape and function, elegant in appearance, easy to use, bring into play to greatest extent the advantage of graphic dot matrix liquid crystal display, various information shows all character reminding, very clear, contains much information, various needed values all can check by liquid crystal display in addition some important informations are also had to eye-catching indication and different chimes of doom promptings.
Part not in the detailed description of the invention is prior art.
The embodiment selecting in this article in order to disclose object of the present invention, currently thinks suitablely, still, will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.
Claims (7)
1. the monitoring terminal of a liquid crystal type brake clearance, comprise voltage transformation module, liquid crystal display, 485 communication interfaces, STM32, 16 ADC, keyboard indicator He San road has no chance the relay output of switch input Ji Yi road, it is characterized in that: the input end of described voltage transformation module connects power supply, described power supply is communicated with 220V civil power, the mouth of voltage transformation module connects respectively STM32 and liquid crystal display, described STM32 connects respectively 16 ADC, 485 communication interfaces, keyboard indicator He San road has no chance the relay output of switch input Ji Yi road, described 16 ADC connect 6 tunnel analog input mouths, described liquid crystal display connects by data line the monitoring terminal that STM32 forms described liquid crystal type brake clearance.
2. the monitoring terminal of liquid crystal type according to claim 1 brake clearance, is characterized in that: described 6 tunnel analog input mouths are arranged on the sensor on each brake disc by circuit or wireless connection respectively.
3. the monitoring terminal of liquid crystal type according to claim 2 brake clearance, is characterized in that: described brake disc be set to six and take every three be one group of both sides that are arranged on brake support frame, described every group of brake disc is that interval arranges.
4. the monitoring terminal of liquid crystal type according to claim 2 brake clearance, is characterized in that: described sensor is analog sensor.
5. the monitoring terminal of liquid crystal type according to claim 1 brake clearance, is characterized in that: described 485 communication interfaces connect controller.
6. the monitoring terminal of liquid crystal type according to claim 5 brake clearance, is characterized in that: described controller is computing machine.
7. the monitoring terminal of liquid crystal type according to claim 1 brake clearance, is characterized in that: described STM32 is provided with upgrading mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324366.XA CN103508362A (en) | 2013-07-30 | 2013-07-30 | Monitoring terminal of liquid crystal type brake clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324366.XA CN103508362A (en) | 2013-07-30 | 2013-07-30 | Monitoring terminal of liquid crystal type brake clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103508362A true CN103508362A (en) | 2014-01-15 |
Family
ID=49891869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310324366.XA Pending CN103508362A (en) | 2013-07-30 | 2013-07-30 | Monitoring terminal of liquid crystal type brake clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103508362A (en) |
-
2013
- 2013-07-30 CN CN201310324366.XA patent/CN103508362A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 陈齐汉: "小型PLC实现温度程序控制", 《苏州丝绸工学院学报》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140115 |
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| RJ01 | Rejection of invention patent application after publication |