CN102538899A - Complex ore dressing-based material level detection method for intelligent fault judgment - Google Patents
Complex ore dressing-based material level detection method for intelligent fault judgment Download PDFInfo
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- CN102538899A CN102538899A CN2011104466204A CN201110446620A CN102538899A CN 102538899 A CN102538899 A CN 102538899A CN 2011104466204 A CN2011104466204 A CN 2011104466204A CN 201110446620 A CN201110446620 A CN 201110446620A CN 102538899 A CN102538899 A CN 102538899A
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- optoelectronic switch
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Abstract
The invention relates to a complex ore dressing-based material level detection method for intelligent fault judgment. A material level baffle installed at a discharging hatch opening is used; when ores overflow, three photoelectric switches are driven to work. A signal is collected through a computer, and a material-overflowing triggering signal is obtained according to an algorithm. In the practical application process, the triggering signal is used for protecting process equipment and personal safety so as to guarantee the safe running of subsequent full-automatic mine car distributing systems. Meanwhile, the effectiveness of a sensor is intelligently judged in the running process of the device based on the algorithm so as to achieve the purpose of long-time running of the device.
Description
Technical field
The present invention relates to a kind of intelligent trouble and judge material level detection method based on complicated ore dressing.
Background technology
Leaking mine car is the important tool of production during the mine produces, and existing leakage mine car all is manual operations, and on-the-spot dust is big, and working strength is big, operating personnel's health is monitored caused very big harm.After utilizing full-automatic cloth system, after the charge level detector table loses efficacy, can not effectively control the material level state, cause industrial accident easily, safety in production, worker's personal safety works the mischief.Lack effective protection mechanism and method in the production in the past.
Summary of the invention
The present invention utilizes the automatic technology in existing stage to realize leaking the full-automatic cloth system of mine car, and the key equipment of system is the accurate measurement of material level instrument.In case material level testing agency lost efficacy, and caused industrial accident.Utilize the method to provide a kind of system final safeguard protection.When some variable in the automatic distributing process takes place when unusual, stop safely peremptorily producing by control system instruction automatic distributing process, in order to avoid cause huge property loss and personnel casualty accidents.Utilize the method device in operational process, system time is kept watch on the automatic distributing status of processes, judges unsafe conditions, and when danger occurs, suitably moves, to prevent dangerous generation.
Major technique of the present invention thes contents are as follows:
A kind of intelligent trouble based on complicated ore dressing is judged material level detection method, may further comprise the steps:
(1), judges whether the casual ore deposit of material level moves
Process computer collects 3 photoelectric switching signals in sweep time unit interval, is assumed to be the first optoelectronic switch A, the second optoelectronic switch B, the 3rd optoelectronic switch C, and the casual material trigger pip that draws is Q, adopts following formula:
Q=A*B+B*C+A*C；
(2), intelligent trouble is judged
Draw correct starting signal Q through step (1), when three optoelectronic switches break down, show as in unit and in the scan period three signals are carried out logic determines, suppose that three signals break down to be respectively AF, BF, CF,
IF?A=B?THEN
IF?C≠?A?THEN
CF=TURE
END?IF
END?IF
IF?A=C?THEN
IF?B≠?A?THEN
BF=TURE
END?IF
END?IF
IF?B=C?THEN
IF?A≠?B?THEN
AF=TURE
END?IF
END?IF
Through above logic determines, draw in real time which breaks down in three signals.
The process of the logic determines in the above-mentioned steps (2) is following:
Judge at first whether first optoelectronic switch A and second optoelectronic switch B value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to the 3rd optoelectronic switch C value whether equal the value of first optoelectronic switch A; If not etc., then draw the 3rd optoelectronic switch C and break down, the output signal CF give producers' reference to computing machine;
Judge then whether first optoelectronic switch A and the 3rd optoelectronic switch C value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to second optoelectronic switch value B whether equal the value of first optoelectronic switch A; If not etc., then draw second optoelectronic switch B and break down, the output signal BF give producers' reference to computing machine;
Judge at last whether second optoelectronic switch B and the 3rd optoelectronic switch C value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to first optoelectronic switch A value whether equal the value of second optoelectronic switch B; If not etc., then draw first optoelectronic switch A and break down, the output signal BF give producers' reference to computing machine.
The above-mentioned first optoelectronic switch A, the second optoelectronic switch B, the 3rd optoelectronic switch C are installed together side by side.
By technique scheme, the present invention has advantage at least:
(1), according to step (1), through probability Q=A*B+B*C+A*C is analyzed, suppose that three correct probability of signal are W1, W2, W3, the probability of the correct signal that then obtains is W=W1*W2+W2*W3+W1*W3, supposes W1=W2=W3=W0,
W=3W0 then
2, having only W0>=0.57 o'clock, W could be greater than 1, so require the signal performance factor greater than 57%, the optoelectronic switch performance factor of the industry spot of usefulness is greater than 90%, so maximum performance optoelectronic switch effect under this condition is the most effective.
(2), fault diagnosis.In scan period, the value of three signals is constantly relatively judged in unit according to step (2), when three signals have one to break down, then exported a fault-signal and show on computers, in time change optoelectronic switch for producers.
(3), combine the robotization cloth system, effectively control feed bin and overflow the ore deposit, the generation of control production safety accident.In casual ore deposit in a flash, mechanism reacts rapidly, the trigger protection functional module.Safety precautions such as take to stop in emergency or force to move, the safe Great Wall of erecting full-automatic cloth.
(4), whether the auxiliary judgment silometer breaks down.When mechanism action, when sending trigger pip, material level is described in a high position, level-sensing device does not detect, and can let producers go to check whether instrument is damaged.
(5), high reliability because mechanism adopts 3 sensors to judge, effectively stop single-sensor because the improper parking of breaking down and causing with misoperation.High security for anti-locking mechanism misoperation takes three signals to carry out logical calculated, is the protection of casual ore deposit to occur just have only when two above signalizing activities can make computer judges.
After utilization the method, with traditional safeguard measure, as on the feed bin top according to weight, safety practice such as nuclear radiation source is installed compares, the method is far longer than with upper type in high reliability and practicality.
Embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the computer logic figure of trigger pip Q discretize;
Fig. 2 does not overflow the preceding leakage mine car structural scheme of mechanism of material;
The leakage mine car structural scheme of mechanism of Fig. 3 for overflowing after expecting.
Among the figure: 1, optoelectronic switch; 2, turning axle; 3, movable buckle plate; 4, the direction of materials flow.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment, structure, characteristic and the effect thereof that proposes according to the present invention, specify as after.
A kind of intelligent trouble based on complicated ore dressing is judged material level detection method, may further comprise the steps:
(1), judges whether the casual ore deposit of material level moves
Process computer collects 3 photoelectric switching signals in sweep time unit interval, is assumed to be the first optoelectronic switch A, the second optoelectronic switch B, the 3rd optoelectronic switch C, and the casual material trigger pip that draws is Q, adopts following formula:
Q=A*B+B*C+A*C；
Be illustrated in figure 1 as the computer logic figure of trigger pip Q discretize, among the figure & be with ,=1 be or;
(2), intelligent trouble is judged
Draw correct starting signal Q through step (1), when three optoelectronic switches break down, show as in unit and in the scan period three signals are carried out logic determines, suppose that three signals break down to be respectively AF, BF, CF,
IF?A=B?THEN
IF?C≠?A?THEN
CF=TURE
END?IF
END?IF
IF?A=C?THEN
IF?B≠?A?THEN
BF=TURE
END?IF
END?IF
IF?B=C?THEN
IF?A≠?B?THEN
AF=TURE
END?IF
END?IF
Through above logic determines, draw in real time which breaks down in three signals.
The process of the logic determines in the above-mentioned steps (2) is following:
Judge at first whether first optoelectronic switch A and second optoelectronic switch B value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to the 3rd optoelectronic switch C value whether equal the value of first optoelectronic switch A; If not etc., then draw the 3rd optoelectronic switch C and break down, the output signal CF give producers' reference to computing machine;
Judge then whether first optoelectronic switch A and the 3rd optoelectronic switch C value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to second optoelectronic switch value B whether equal the value of first optoelectronic switch A; If not etc., then draw second optoelectronic switch B and break down, the output signal BF give producers' reference to computing machine;
Judge at last whether second optoelectronic switch B and the 3rd optoelectronic switch C value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to first optoelectronic switch A value whether equal the value of second optoelectronic switch B; If not etc., then draw first optoelectronic switch A and break down, the output signal BF give producers' reference to computing machine.
Above process was accomplished in the unit interval of computing machine.After the completion again from new execution, thereby realize whether continuous online detection failure exists, and provide information to producers, reach the effect that intelligent trouble is judged.
The above-mentioned first optoelectronic switch A, the second optoelectronic switch B, the 3rd optoelectronic switch C are installed together side by side.
Use:
Before not casual material, as shown in Figure 2, movable buckle plate 3 is because the action of gravity upper end falls, and drive optoelectronic switch 1 is away from Cang Gai, and optoelectronic switch 1 is failure to actuate.When the ore storage bin material overflows up, as shown in Figure 3, withstand movable buckle plate 3 and cause the buckle lower end near Cang Gai, optoelectronic switch 1 is met Cang Gai, and then optoelectronic switch 1 action, these three optoelectronic switch 1 signals of computer acquisition.
Whether genuine carry out logic determines through appeal step (1), draw feed bin and overflow the ore deposit, three optoelectronic switches are installed side by side, and the probability that contacts Cang Gai simultaneously is the same, takes place constantly too.
Through appeal step (2); Can judge whether optoelectronic switch breaks down, lid is outside because optoelectronic switch is installed in the storehouse, and producers can change optoelectronic switch in process of production outside the storehouse; Guarantee the continuity of production, also ensure producers' personal safety.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (3)
1. the intelligent trouble based on complicated ore dressing is judged material level detection method, it is characterized in that may further comprise the steps:
(1), judges whether the casual ore deposit of material level moves
Process computer collects 3 photoelectric switching signals in sweep time unit interval, is assumed to be the first optoelectronic switch A, the second optoelectronic switch B, the 3rd optoelectronic switch C, and the casual material trigger pip that draws is Q, adopts following formula:
Q=A*B+B*C+A*C；
(2), intelligent trouble is judged
Draw correct starting signal Q through step (1), when three optoelectronic switches break down, show as in unit and in the scan period three signals are carried out logic determines, suppose that three signals break down to be respectively AF, BF, CF,
IF?A=B?THEN
IF?C≠?A?THEN
CF=TURE
END?IF
END?IF
IF?A=C?THEN
IF?B≠?A?THEN
BF=TURE
END?IF
END?IF
IF?B=C?THEN
IF?A≠?B?THEN
AF=TURE
END?IF
END?IF
Through above logic determines, draw in real time which breaks down in three signals.
2. the intelligent trouble based on complicated ore dressing according to claim 1 is judged material level detection method, it is characterized in that the process of the logic determines in the said step (2) is following:
Judge at first whether first optoelectronic switch A and second optoelectronic switch B value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to the 3rd optoelectronic switch C value whether equal the value of first optoelectronic switch A; If not etc., then draw the 3rd optoelectronic switch C and break down, the output signal CF give producers' reference to computing machine;
Judge then whether first optoelectronic switch A and the 3rd optoelectronic switch C value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to second optoelectronic switch value B whether equal the value of first optoelectronic switch A; If not etc., then draw second optoelectronic switch B and break down, the output signal BF give producers' reference to computing machine;
Judge at last whether second optoelectronic switch B and the 3rd optoelectronic switch C value that computer acquisition is arrived equate; If equate; Then judge computer acquisition to first optoelectronic switch A value whether equal the value of second optoelectronic switch B; If not etc., then draw first optoelectronic switch A and break down, the output signal BF give producers' reference to computing machine.
3. the intelligent trouble based on complicated ore dressing according to claim 1 is judged material level detection method, it is characterized in that the said first optoelectronic switch A, the second optoelectronic switch B, the 3rd optoelectronic switch C are installed together side by side.
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| CN102538899A true CN102538899A (en) | 2012-07-04 |
| CN102538899B CN102538899B (en) | 2015-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684242A (en) * | 2018-02-02 | 2020-09-18 | 恩德莱斯和豪瑟尔欧洲两合公司 | Method for detecting a latent fault state of an FMCW-based level measuring device |
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| CN2064882U (en) * | 1989-11-25 | 1990-10-31 | 石家庄市矿山机械研究所 | Microcomputer monitoring apparatus of continuous metage system |
| EP0668488A2 (en) * | 1994-02-18 | 1995-08-23 | Endress + Hauser GmbH + Co. | Device for measuring the filling level of a container |
| CN2756594Y (en) * | 2004-06-25 | 2006-02-08 | 神华集团有限责任公司 | Scraping plate fault protector |
| CN201396192Y (en) * | 2009-04-24 | 2010-02-03 | 西安科技大学 | Novel portable mine equipment patrol inspection instrument |
| CN101727085A (en) * | 2009-11-24 | 2010-06-09 | 太原理工大学 | Device for monitoring states and diagnosing faults of coal mine underground working surface conveyer |
-
2011
- 2011-12-28 CN CN201110446620.4A patent/CN102538899B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064882U (en) * | 1989-11-25 | 1990-10-31 | 石家庄市矿山机械研究所 | Microcomputer monitoring apparatus of continuous metage system |
| EP0668488A2 (en) * | 1994-02-18 | 1995-08-23 | Endress + Hauser GmbH + Co. | Device for measuring the filling level of a container |
| CN2756594Y (en) * | 2004-06-25 | 2006-02-08 | 神华集团有限责任公司 | Scraping plate fault protector |
| CN201396192Y (en) * | 2009-04-24 | 2010-02-03 | 西安科技大学 | Novel portable mine equipment patrol inspection instrument |
| CN101727085A (en) * | 2009-11-24 | 2010-06-09 | 太原理工大学 | Device for monitoring states and diagnosing faults of coal mine underground working surface conveyer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684242A (en) * | 2018-02-02 | 2020-09-18 | 恩德莱斯和豪瑟尔欧洲两合公司 | Method for detecting a latent fault state of an FMCW-based level measuring device |
| CN111684242B (en) * | 2018-02-02 | 2022-10-21 | 恩德莱斯和豪瑟尔欧洲两合公司 | Method for detecting a latent fault state of an FMCW-based level measuring device |
| US11650302B2 (en) | 2018-02-02 | 2023-05-16 | Endress+Hauser SE+Co. KG | Method for detecting potential faulty states on an FMCW-based filling level measuring apparatus |
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