CN203338114U - Coal-fired power plant coal loading and unloading control system - Google Patents
Coal-fired power plant coal loading and unloading control system Download PDFInfo
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- CN203338114U CN203338114U CN2013204222312U CN201320422231U CN203338114U CN 203338114 U CN203338114 U CN 203338114U CN 2013204222312 U CN2013204222312 U CN 2013204222312U CN 201320422231 U CN201320422231 U CN 201320422231U CN 203338114 U CN203338114 U CN 203338114U
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Abstract
The utility model provides a coal-fired power plant coal loading and unloading control system which comprises a host computer system, a PLC controller, an input module and an output module. Through arranging a photoelectric switch on a traverser and arranging two current transformers on motors at two sides of a dumper, the photoelectric switch is connected with a traverser input module, and the two current transformers are connected with a dumper input module. Multiple signals are obtained by using added photoelectric switch and current transformers, whether there is a vehicle on the migrating machine or not is determined, and the fall off of a train wagon on the migrating machine by a fully loaded traction engine is prevented. Sensors with various forms are employed to protect a same accident, and when a switch fails, the protection by other switches is carried out. The current of the two sides of the body is obtained by using the current transformers, the current of two motors is monitored in real time, the query of the current change history trend of each motor is facilitated, great convenience is brought to the operation and maintenance, and a runaway accident is prevented.
Description
Technical field
The utility model relates to a kind of fuel-burning power plant coal control system of unloading.
Background technology
There is certain technical matters in the existing power equipment C of factory type rotor type dumper system principle, the operations staff occurs that in the debugging position maloperation causes tippler often to occur overstepping the limit, due to engineering problem in service, cause the operations staff often to beat debugging mode, and in the PLC logic debugging mode without any logic blocking, having increased human factor causes the accident, in operational process, out-of-control phenomenon appears in the tippler body, the tippler body is by advancing the car end, going out two motors of car end drives, because often occurring that body can not return, the disconnected pin of motor turns over, the tippler logic flaw, cause faults frequent, take certain power plant as example, at 2006-2012, transfer platform empty wagons skin occurring altogether oversteps the limit and to reach 4 times, the disconnected pin of tippler body motor reaches 18 times, can not reach design overturning requirement, have a strong impact on the economic benefit of enterprise.The tippler reliability descends year by year, and the readjustment machine is released transfer platform by the empty wagons skin and fallen the rail accident treatment.When the driving fault occurs, program can't judge and protect tippler to brake immediately at present, also respectively two current of electric is not monitored, can't inquire about every current of electric change histories trend, has brought larger difficulty to operation and maintenance.Can not effectively prevent the realistic problems such as operations staff's maloperation, the disconnected pin of body motor at debugging mode for existing tippler, be badly in need of the existing coal control system of unloading is improved.
The utility model content
The utility model provides a kind of fuel-burning power plant coal control system of unloading, and its purpose is, overcomes the tippler existed in prior art and can not effectively prevent at debugging mode the problems such as operations staff's maloperation, the disconnected pin of body motor.
A kind of fuel-burning power plant coal control system of unloading, comprise master system, PLC controller, load module and output module, described load module comprises readjustment machine load module, tippler load module, transfer platform load module and air conditioner load module, and described output module comprises readjustment machine output module, tippler output module, transfer platform output module and air conditioner output module; Described master system is connected with the PLC controller, and described load module and output module all are connected with the PLC controller; Also comprise the optoelectronic switch be arranged on transfer platform and two current transformers that arrange on the motor of tippler both sides, optoelectronic switch is connected with the transfer platform load module, and two current transformers are connected with the tippler load module.
Described optoelectronic switch is the diffuse reflection type optoelectronic switch, and described diffuse reflection type optoelectronic switch model is Q-60VR3AF2000, distance of reaction 2000mm, operating voltage AC220 or DC24V, working method infrared diffuse formula.
Beneficial effect
The utility model provides a kind of fuel-burning power plant coal control system of unloading, comprise master system, PLC controller, load module and output module, described load module comprises readjustment machine load module, tippler load module, transfer platform load module and air conditioner load module, and described output module comprises readjustment machine output module, tippler output module, transfer platform output module and air conditioner output module; Described master system is connected with the PLC controller, and described load module and output module all are connected with the PLC controller; Also comprise the optoelectronic switch be arranged on transfer platform and two current transformers that arrange on the motor of tippler both sides, optoelectronic switch is connected with the transfer platform load module, and two current transformers are connected with the tippler load module.The multiple signal that the optoelectronic switch summation current transformer utilize increased obtains, judge on transfer platform whether car arranged, and prevents that the readjustment machine from turning down railway carriage on transfer platform.
Adopt multi-form sensor to be protected same accident, when wherein a master switch goes wrong, can also obtain the protection of other switch; Utilize current transformer to obtain body both sides electric current, difference to the both sides electric current is judged, analyze and understand the variation of both sides electric current under different operating modes, formulate both sides difference between current action value, monitor in real time two current of electric, be convenient to inquire about every current of electric change histories trend, brought larger convenience to operation and maintenance, stop runaway accident and occur.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, for structural representation of the present utility model, a kind of fuel-burning power plant coal control system of unloading, comprise master system, PLC controller, load module and output module, described load module comprises readjustment machine load module, tippler load module, transfer platform load module and air conditioner load module, and described output module comprises readjustment machine output module, tippler output module, transfer platform output module and air conditioner output module; Described master system is connected with the PLC controller, and described load module and output module all are connected with the PLC controller; Also comprise the optoelectronic switch be arranged on transfer platform and two current transformers that arrange on the motor of tippler both sides, optoelectronic switch is connected with the transfer platform load module, and two current transformers are connected with the tippler load module.
Described optoelectronic switch is the diffuse reflection type optoelectronic switch, and described diffuse reflection type optoelectronic switch model is Q-60VR3AF2000, distance of reaction 2000mm, operating voltage AC220 or DC24V, working method infrared diffuse formula.
The PLC system is by the spot sensor feedback signal, and the analytical equipment operation conditions, judge rapidly the generation of driving fault and the omen broken down, and within the shortest time, arrestment moves and quote failure message.Mainly by the sensor of 2 kinds of forms, protected; one: increase current transformer and measure respectively tippler both sides electric current; can directly reflect the torque of two motors by current detecting; when occur electric current lower than rated current 40% the time; motor is exerted oneself and can't be maintained the equipment operation; equipment will be conducted oneself with dignity again and be started the landing driving, and now PLC is judged as by the too low runaway accident caused of electric current, arrestment operation automatically.When occurring that two current of electric differences surpass the situation of 30A, it is extremely uneven that two motors are exerted oneself, and illustrate that wherein a nylon pin corresponding to motor disconnects, and only depends on a motor to maintain equipment and move, the equipment too small equipment driving that causes of exerting oneself.
Its two: by master controller logic judgement, find that if detect the actual motion direction is judged as the driving fault when contrary with command direction.
Disconnected pin refers to the nylon pin on the ring flange of motor and reductor connecting portion, and long-play will produce wearing and tearing, belongs to consumptive material, need make regular check on replacing, within general 1 year, checks once.
The readjustment chance error is released the tippler hollow car in order to prevent from, on transfer platform, car is arranged; and with transfer platform on empty wagons connect to hang; cause that empty wagons is released to transfer platform and fall rail; for transfer platform have car judgement by optoelectronic switch protect, approach switch protection and logic judgement protection 3 be from the measure realization; optoelectronic switch is installed on the transfer platform middle part; for probe vehicles, whether reflection intuitively has the state of car.Approach switch is installed on by the track of transfer platform porch, by the wheel sense counter is judged and has or not vehicle.Simultaneously in equipment running process, by technological process, judge vehicle, move when the readjustment machine pushes to the satisfied pin of carrying while moving ahead the place of putting in place by vehicle, system is thought has car on platform.When by above 3 when means judgements platform has car, what interlock protection will be forbidden the machine of resetting leads the car action.
Claims (2)
1. the fuel-burning power plant coal control system of unloading, comprise master system, PLC controller, load module and output module, described load module comprises readjustment machine load module, tippler load module, transfer platform load module and air conditioner load module, and described output module comprises readjustment machine output module, tippler output module, transfer platform output module and air conditioner output module; Described master system is connected with the PLC controller, and described load module and output module all are connected with the PLC controller; It is characterized in that, also comprise the optoelectronic switch be arranged on transfer platform and two current transformers that arrange on the motor of tippler both sides, optoelectronic switch is connected with the transfer platform load module, and two current transformers are connected with the tippler load module.
2. the fuel-burning power plant according to claim 1 coal control system of unloading, it is characterized in that, described optoelectronic switch is the diffuse reflection type optoelectronic switch, described diffuse reflection type optoelectronic switch model is Q-60VR3AF2000, distance of reaction 2000mm, operating voltage AC220 or DC24V, working method infrared diffuse formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204222312U CN203338114U (en) | 2013-07-16 | 2013-07-16 | Coal-fired power plant coal loading and unloading control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204222312U CN203338114U (en) | 2013-07-16 | 2013-07-16 | Coal-fired power plant coal loading and unloading control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338114U true CN203338114U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204222312U Expired - Fee Related CN203338114U (en) | 2013-07-16 | 2013-07-16 | Coal-fired power plant coal loading and unloading control system |
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| CN (1) | CN203338114U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309635A (en) * | 2014-09-25 | 2015-01-28 | 首钢水城钢铁（集团）有限责任公司 | Train pulling platform operation control system |
| CN104309635B (en) * | 2014-09-25 | 2017-01-04 | 首钢水城钢铁（集团）有限责任公司 | One leads ride operation control system |
| CN111332951A (en) * | 2020-03-11 | 2020-06-26 | 焦瑞敏 | Intelligent fuel loading and unloading control system and control method |
-
2013
- 2013-07-16 CN CN2013204222312U patent/CN203338114U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309635A (en) * | 2014-09-25 | 2015-01-28 | 首钢水城钢铁（集团）有限责任公司 | Train pulling platform operation control system |
| CN104309635B (en) * | 2014-09-25 | 2017-01-04 | 首钢水城钢铁（集团）有限责任公司 | One leads ride operation control system |
| CN111332951A (en) * | 2020-03-11 | 2020-06-26 | 焦瑞敏 | Intelligent fuel loading and unloading control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |