CN1944228A - Safety control device and its control method for mine car during travel process - Google Patents
Safety control device and its control method for mine car during travel process Download PDFInfo
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- CN1944228A CN1944228A CN 200610150974 CN200610150974A CN1944228A CN 1944228 A CN1944228 A CN 1944228A CN 200610150974 CN200610150974 CN 200610150974 CN 200610150974 A CN200610150974 A CN 200610150974A CN 1944228 A CN1944228 A CN 1944228A
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- mine car
- plc
- pressure
- safety control
- driving process
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Abstract
The present invention is safety control device and method for mine car. The present invention includes two pressure sensors fixed to the lower part of two fixed pulleys separately to monitor the real-time pressure on the fixed pulleys, and one PLC to obtain the signal from the pressure sensors and judge the mine car state for taking corresponding measures. The present invention can monitor the mine car running process and analyze the running state of mine car accurately.
Description
Technical field
The present invention relates to underground mine mining mine car control device for running the engine and control method thereof.
Background technology
At present in the underground mine mining process, as shown in Figure 2, adopt driven by motor winch 6-1 running usually, winch cable 8 is by being fixed on fixed pulley 6-2 on the support 11 and dragging bicycle or bunching 9 moving out from mine 10 then, and mine car is up along track.Usually behind derailing of mine car, because operating personal does not know whether derail, rotate, thereby cause that winch cable is broken, support collapses and can add speed winch simply, have a strong impact on construction speed, cause casualties, damage the mine car car body.In the up process of mine car, also can there be the phenomenon of losing car,, then may causes sport car transportation major casualties, mine car damage, the work capacity that influences ordinary production, increase workman, increase construction cost if can't find to lose the car phenomenon.
Summary of the invention
In order to solve in the up process of mine mine car derailing of mine car and to lose the car phenomenon, the invention provides safety control and control method thereof in a kind of mine car driving process.
As shown in Figure 2, be serially connected successively in bicycle or bunching 9 driving process, motor 4 drives winch 6-1 and rotates, and fixed pulley 6-2 is fixed on the fixed support 11, and winch cable 8 moves on the track by fixed pulley traction bicycle or bunching 9; Safety control in the mine car driving process of the present invention is made up of A/D conversion expansion card 3-1 and the warning device 5 of two pressure sensors 1, comparison amplifying circuit 2, PLC controller 3, PLC; The bottom that described two pressure sensors 1 are separately fixed at two bearing bases 7 of fixed pulley 6-2 is used for monitoring in real time the pressure that fixed pulley 6-2 is born, the analog signal of two pressure sensor 1 outputs is input to two input ends of comparison amplifying circuit 2 respectively, relatively amplifying circuit 2 is exported one tunnel analog signal, this analog signal is carried out analogue to digital conversion by the A/D conversion expansion card 3-1 of PLC, the A/D conversion expansion card 3-1 output of PLC characterizes the digital signal that is positioned at the fixed pulley 6-2 pressure size on the fixed support 11, the A/D conversion expansion card 3-1 of PLC is inserted in the expansion slot of PLC controller 3, and the motor signal output part of PLC controller 3 connects the distribution control end of motor 4.
Mine car driving process method of controlling security based on said apparatus carries out successively according to the following steps:
Step 1: winch 6-1 drags winch cable 8 drive bicycles or bunching 9 travels in orbit;
Step 2: judge whether full speed running of bicycle or bunching 9; If the judged result of step 2 is for being that then execution in step three: PLC obtains the pressure signal that pressure sensor 1 is obtained, thus the force value f that acquisition fixed pulley 6-2 is born
Max
If the judged result of step 2 is then waited for bicycle or bunching 9 high-ball in orbit for not, be back to step 2 then;
Step 4: with the force value f that step 3 obtained
MaxOne first pressure difference value Δ f superposes
1, be recorded among the PLC then and be set at the first reference pressure value F
1, i.e. F
1=f
Max+ Δ f
1The force value that step 3 obtained is deducted one second pressure difference value Δ f
2, be recorded among the PLC then and be set at the second reference pressure value F
2, i.e. F
2=f
Max-Δ f
2
Step 5: in the process that bicycle or bunching 9 travel, the transducing signal of monitoring pressure sensor 1 obtains the force value f that fixed pulley 6-2 is born in real time incessantly;
Step 6: whether the force value f that determining step five is obtained is greater than the first reference pressure F
1
If the judged result of step 6 then starts warning device 5 and stops motor 4 runnings for being, derailing of mine car is described;
If the judged result of step 6 is not for, then execution in step seven: judge that whether force value f that determining step five obtained is less than the second reference pressure value F
2
If the judged result of step 7 then starts warning device 5 and stops motor 4 runnings for being, illustrate that the mine car existence loses the car phenomenon;
If the judged result of step 7 illustrates then that for not all are normal.
Adopt apparatus and method of the present invention that mine car uplink and downlink process is implemented monitoring, whether can offer an explanation out accurately very much mine car derails or the car phenomenon occurs losing, and handle timely, thereby avoided that construction speed ground prolongs, the damage of personnel's injures and deaths, mine car car body, reduced the workman work capacity, reduced construction cost.
Description of drawings
Fig. 1 is the structural representation of the safety control in the mine car driving process of the present invention.Fig. 2 is the annexation scheme drawing of winch 6-1, fixed pulley 6-2, fixed support 11, bicycle or bunching 9 in the mine car driving process of the present invention.Fig. 3 is the installation site scheme drawing of pressure sensor 1.Fig. 4 is the diagram of circuit of mine car driving process method of controlling security of the present invention.
The specific embodiment
As shown in Figure 2, be serially connected successively in bicycle or bunching 9 driving process, motor 4 drives winch 6-1 and rotates, and fixed pulley 6-2 is fixed on the fixed support 11, and winch cable 8 moves on the track by fixed pulley traction bicycle or bunching 9; As shown in figs. 1 and 3, the safety control in the mine car driving process of this specific embodiment is made up of A/D conversion expansion card 3-1 and the warning device 5 of two pressure sensors 1, comparison amplifying circuit 2, PLC controller 3, PLC; The bottom that described two pressure sensors 1 are separately fixed at two bearing bases 7 of fixed pulley 6-2 is used for monitoring in real time the pressure that fixed pulley 6-2 is born, the analog signal of two pressure sensor 1 outputs is input to two input ends of comparison amplifying circuit 2 respectively, relatively amplifying circuit 2 is exported one tunnel analog signal, this analog signal is carried out analogue to digital conversion by the A/D conversion expansion card 3-1 of PLC, the A/D conversion expansion card 3-1 output of PLC characterizes the digital signal that is positioned at the fixed pulley 6-2 pressure size on the fixed support 11, the A/D conversion expansion card 3-1 of PLC is inserted in the expansion slot of PLC controller 3, and the motor signal output part of PLC controller 3 connects the distribution control end of motor 4.Described pressure sensor 1 adopts QS-S type transducer series.The described relatively input of amplifying circuit 2 and the output of pressure sensor 1 are complementary, and main effect is: compare the size of two pressure sensor 1 output signals earlier, be input in the PLC controller after then that signal output is the relatively large amplification.It is TP3-2AI that the A/D conversion expansion card 3-1 of described PLC adopts model.It is TP03-20MR-A that described PLC controller 3 adopts model.
As shown in Figure 4, the mine car driving process method of controlling security of this specific embodiment carries out successively according to the following steps: step 1: winch 6-1 drags winch cable 8 drive bicycles or bunching 9 travels in orbit; Step 2: judge bicycle or bunching 9 whether full speed running (bicycle or bunching begin when mine uplink path or downing track operation, pull out the hook worker and judge whether all upper track of mine car, notify hoistman then, start winch by hoistman, this moment is defined as bicycle or bunching 9 is in the full speed running state); If the judged result of step 2 is for being that then execution in step three: PLC obtains the pressure signal that pressure sensor 1 is obtained, thus the force value f that acquisition fixed pulley 6-2 is born
MaxIf the judged result of step 2 is then waited for bicycle or bunching 9 high-ball in orbit for not, be back to step 2 then; Step 4: with the force value f that step 3 obtained
MaxOne first pressure difference value Δ f superposes
1, be recorded among the PLC then and be set at the first reference pressure value F
1, i.e. F
1=f
Max+ Δ f
1The force value that step 3 obtained is deducted one second pressure difference value Δ f
2, be recorded among the PLC then and be set at the second reference pressure value F
2, i.e. F
2=f
Max-Δ f
2Step 5: in the process that bicycle or bunching 9 travel, the transducing signal of monitoring pressure sensor 1 obtains the force value f that fixed pulley 6-2 is born in real time incessantly; Step 6: whether the force value f that determining step five is obtained is greater than the first reference pressure F
1If the judged result of step 6 then starts warning device 5 and stops motor 4 runnings for being, derailing of mine car is described; If the judged result of step 6 is that then execution in step seven: whether the force value f that determining step five is obtained is less than the second reference pressure value F
2If the judged result of step 7 then starts warning device 5 and stops motor 4 runnings for being, illustrate that the mine car existence loses the car phenomenon; If the judged result of step 7 illustrates then that for not all are normal.The first pressure difference value Δ f
1With the second pressure difference value Δ f
2Select in 0.001 to 4000 scope, it is fixed that concrete data can be come according to the calibration result, and only guarantee according to the method described above at derailing of mine car and lose Che Shicai and report to the police.The mine car bearing goods is up to travel the control method of this specific embodiment except being used to control, the control in the time of also can being used for descending emptying car.The setting of two pressure difference values in the above-mentioned control method is in order to guarantee that landform slight on the track changes the misoperation that is unlikely to cause device.
Claims (7)
1, the safety control in the mine car driving process is characterized in that described safety control is by two pressure sensors (1), relatively A/D conversion expansion card (3-1) and the warning device (5) of amplifying circuit (2), PLC controller (3), PLC are formed; The bottom that described two pressure sensors (1) are separately fixed at two bearing bases (7) of the fixed pulley (6-2) that is positioned on the fixed support (11) is used for monitoring in real time the pressure that fixed pulley (6-2) is born, the analog signal of two pressure sensors (1) output is input to two input ends of comparison amplifying circuit (2) respectively, relatively amplifying circuit (2) is exported one tunnel analog signal, this analog signal is carried out analogue to digital conversion by the A/D conversion expansion card (3-1) of PLC, A/D conversion expansion card (3-1) output of PLC characterizes the digital signal that is positioned at fixed pulley (6-2) the pressure size on the fixed support (11), the A/D conversion expansion card (3-1) of PLC is inserted in the expansion slot of PLC controller (3), and the motor signal output part of PLC controller (3) connects the distribution control end of motor (4).
2, the safety control in the mine car driving process according to claim 1 is characterized in that described pressure sensor (1) adopts QS-S type transducer series.
3, the safety control in the mine car driving process according to claim 1 is characterized in that A/D conversion expansion card (3-1) the employing model of described PLC is TP3-2AI.
4, the safety control in the mine car driving process according to claim 1 is characterized in that it is TP03-20MR-A that described PLC controller (3) adopts model.
5, the control method of the safety control in the described mine car driving process of claim 1 is characterized in that described control method carries out successively according to the following steps:
Step 1: winch (6-1) drags winch cable (8) drive bicycle or bunching (9) travels in orbit;
Step 2: judge whether full speed running of bicycle or bunching (9);
If the judged result of step 2 is for being that then execution in step three: PLC obtains the pressure signal that pressure sensor (1) is obtained, thus the force value f that acquisition fixed pulley (6-2) is born
Max
If the judged result of step 2 is then waited for bicycle or bunching (9) high-ball in orbit for not, be back to step 2 then;
Step 4: with the force value f that step 3 obtained
MaxOne first pressure difference value Δ f superposes
1, be recorded among the PLC then and be set at the first reference pressure value F
1, i.e. F
1=f
Max+ Δ f
1The force value that step 3 obtained is deducted one second pressure difference value Δ f
2, be recorded among the PLC then and be set at the second reference pressure value F
2, i.e. F
2=f
Max-Δ f
2
Step 5: in the process that bicycle or bunching (9) travel, the transducing signal of monitoring pressure sensor (1) obtains the force value f that fixed pulley (6-2) is born in real time incessantly;
Step 6: whether the force value f that determining step five is obtained is greater than the first reference pressure F
1
If the judged result of step 6 then starts warning device (5) and stops motor (4) running for being, derailing of mine car is described;
If the judged result of step 6 is that then execution in step seven: whether the force value f that determining step five is obtained is less than the second reference pressure value F
2
If the judged result of step 7 then starts warning device (5) and stops motor (4) running for being, illustrate that the mine car existence loses the car phenomenon;
If the judged result of step 7 illustrates then that for not all are normal.
6, the control method of the safety control in the mine car driving process according to claim 6 is characterized in that the described first pressure difference value Δ f
1In 0.001 to 4000 scope, select.
7,, it is characterized in that the described second pressure difference value Δ f according to the control method of the safety control in claim 6 or the 7 described mine car driving process
2In 0.001 to 4000 scope, select.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101509743A CN100484862C (en) | 2006-10-31 | 2006-10-31 | Safety control device and its control method for mine car during travel process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101509743A CN100484862C (en) | 2006-10-31 | 2006-10-31 | Safety control device and its control method for mine car during travel process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1944228A true CN1944228A (en) | 2007-04-11 |
| CN100484862C CN100484862C (en) | 2009-05-06 |
Family
ID=38043915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101509743A Expired - Fee Related CN100484862C (en) | 2006-10-31 | 2006-10-31 | Safety control device and its control method for mine car during travel process |
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| Country | Link |
|---|---|
| CN (1) | CN100484862C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762285B (en) * | 2009-11-27 | 2012-02-01 | 罗钟洙 | Method for judging characteristic of signal |
| CN102336361A (en) * | 2011-07-26 | 2012-02-01 | 黄伟 | Device for monitoring running state of permanent magnet crane equipment |
| CN103528832A (en) * | 2013-10-02 | 2014-01-22 | 樊铁山 | Method for simulating vehicle inclined track operation state on planar track |
-
2006
- 2006-10-31 CN CNB2006101509743A patent/CN100484862C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762285B (en) * | 2009-11-27 | 2012-02-01 | 罗钟洙 | Method for judging characteristic of signal |
| CN102336361A (en) * | 2011-07-26 | 2012-02-01 | 黄伟 | Device for monitoring running state of permanent magnet crane equipment |
| CN102336361B (en) * | 2011-07-26 | 2013-03-27 | 黄伟 | Device for monitoring running state of permanent magnet crane equipment |
| CN103528832A (en) * | 2013-10-02 | 2014-01-22 | 樊铁山 | Method for simulating vehicle inclined track operation state on planar track |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100484862C (en) | 2009-05-06 |
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Granted publication date: 20090506 Termination date: 20131031 |