CN203601305U - Monorail crane electronic control system - Google Patents
Monorail crane electronic control system Download PDFInfo
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- CN203601305U CN203601305U CN201320621200.XU CN201320621200U CN203601305U CN 203601305 U CN203601305 U CN 203601305U CN 201320621200 U CN201320621200 U CN 201320621200U CN 203601305 U CN203601305 U CN 203601305U
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Abstract
The utility model provides a monorail crane electronic control system. The monorail crane electronic control system comprises a main driving module, an auxiliary driving module, a crane signal collection module, a speed limiting and output executing module, a power generation and starting module, a relay box module and a central control module. The main driving module is used for controlling a monorail crane to execute a powering on function, a startup function, an emergency shutdown protection function and an alarm function according to received instructions. The auxiliary driving module is used for controlling the monorail crane in an auxiliary mode to execute the powering on function, the startup function, the emergency shutdown protection function and the alarm function. The crane signal collection module is used for collecting multiple state data of the monorail crane. The speed limiting and output executing module is used for controlling limiting of the speed of the monorail crane. The power generation and starting module is used for providing an initial power-on power supply before the monorail crane is started. The central control module is used for sampling and processing the state data of the crane signal collection module. The monorail crane electronic control system has the advantages of being high in control efficiency and simplified in structure, and running safety and running reliability of the system can be improved.
Description
Technical field
The utility model relates to mine transportation technology field, particularly a kind of monorail crane locomotive electric-control system.
Background technology
Coal industry is as national backbone industry, and development of auxiliary transport in coal mines also seems even more important for the development in colliery.Monorail crane locomotive, as the auxiliary conveying equipments that travels on suspended single-track system, has the features such as mobility strong, running velocity is fast, load carrying ability is large.Monorail crane locomotive is mainly used in coal mine fully-mechanized mining working and installs, withdraws.Electrical haulage monorail crane locomotive provides a kind of auxiliary conveying equipments of power by storage battery for locomotive, and it is little that it has operational noise of system, and failure rate is low is easy to repair and maintenance, etc. feature, can realize the main equipments such as integral transportation hydraulic support.For electrical haulage monorail crane locomotive, the serviceability of electric-control system is particularly important.
But there is complex structure, shortcoming that control efficiency is low in existing monorail crane locomotive electric-control system.And the function of existing monorail crane locomotive electric-control system is too simple, can not realizes the Real-time Collection processing of the various status datas to monorail crane locomotive, thereby can not grasp in time the current state of locomotive.In the time of et out of order, cannot accomplish to fault and alarm and feedback, thereby may cause the generation of safety misadventure.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, the purpose of this utility model is to propose a kind of monorail crane locomotive electric-control system, this electric-control system adopts PLC controller, there is control efficiency high, the advantage of designs simplification, and status data that can Real-time Obtaining monorail crane locomotive, and obtain in time the current state of locomotive according to these status datas, in the time finding fault, send in time warning, thereby improved the safe reliability of system operation.
To achieve these goals, embodiment of the present utility model provides a kind of monorail crane locomotive electric-control system, comprise: main driving module, copilot module, cab signal acquisition module, speed limit and output execution module, generating and startup module, relay case module and middle control module, wherein, described main driving module is for carrying out and power on according to monorail crane locomotive described in the instruction control receiving, start, suddenly stop stoppage protection and warning function, the instruction that described copilot module receives for basis, the described monorail crane locomotive of auxiliary control is carried out and is powered on, start, suddenly stop stoppage protection and warning function, described cab signal acquisition module is for gathering multiple status datas of described monorail crane locomotive, wherein, described cab signal acquisition module comprises multiple intrinsic safety sensors, the power lead of each described intrinsic safety sensor is connected with intrinsic safety electric source, and the signal wire (SW) of each described intrinsic safety sensor is connected with switching value input port and the analog input port of described middle control module by separation fence, described speed limit and output execution module are in the time that the speed of a motor vehicle of described monorail crane locomotive exceedes predetermined threshold value, control described monorail crane locomotive speed limit, execution overspeed protection is shut down, wherein said speed limit and output execution module comprise: speed limit travel switch, and the open contact of described speed limit travel switch disconnects, first and second shut down electromagnetic valve, and the open contact of described speed limit travel switch is series at described first and second and shuts down on the control loop of electromagnetic valve, generate electricity and start module, for starting prerequisite for the power supply that initially powers at described monorail crane locomotive, and starting the rear diesel engine that starts at monorail crane locomotive described in described key switch control, and drive and produce source of AC by described diesel engine, relay case module, for providing intrinsic safety electric source, middle control module, for to sampling from multiple status datas of described cab signal acquisition module and processing to control the output action of described monorail crane locomotive, and in the time detecting that described status data exceeds standard or breaks down, control the power-off of respective electric part, the concurrent alert output command of delivering newspaper.
According to the monorail crane locomotive electric-control system of the utility model embodiment, there is control efficiency high, the advantage of designs simplification, and status data that can Real-time Obtaining monorail crane locomotive, and obtain in time the current state of locomotive according to these status datas, in the time finding fault, send in time warning, thereby improved the safe reliability of system operation.
In an embodiment of the present utility model, described main driving module comprises: flame-proof type electric cabinet; The first liquid crystal touch screen, for carrying out two way communication the online data that show that in real time described middle control module sends by communication interface and described control module; Annunciator, for sending alerting signal in the time receiving the warning output command of described control module; Key switch, for the direct current (DC) that has a predeterminated voltage value by time control described monorail crane locomotive carry out power on, power-off and start-up performance; Emergency stop button switch, described emergency stop button switch is shut down electromagnetic valve with first of described speed limit and output execution module and is connected with the second control loop of shutting down electromagnetic valve, in the time receiving stop command, controls described monorail crane locomotive and carries out stoppage protection function; Wherein, described the first liquid crystal touch screen, described annunciator, described key switch, described emergency stop button switch are arranged in described flame-proof type electric cabinet.
In another embodiment of the present utility model, described copilot module comprises: the second liquid crystal touch screen, described the second liquid crystal touch screen and described the first liquid crystal touch screen communicate, for the data that show that described the first liquid crystal touch screen sends.
In addition, described the first shutdown electromagnetic valve is air switching sol, and described the second shutdown electromagnetic valve is fuel cut-off valve.
And, described cab signal acquisition module comprises: tachogen, car speed sensor, the first and second advancement sensor, first and second retreat sensor, surface temperature sensor, cooling-water temperature sensor, exhaust gas temperature sensor, oil temperature sensor, hydraulic fluid temperature sensor, oil pressure sensor, fuel tank level sensor, high water tank sensor, Hydraulic Main pump pressure sensor, hydraulic brake pressure sensor, hydraulic clamp pressure sensor, hydraulic pressure slippage pump pressure sensor, hydraulic reservoir level sensor, sensing methane concentration device, angular transducer and Slope Transducer.
In another embodiment of the present utility model, described generating and startup module comprise: electrical generator, for producing source of AC under the drive at diesel engine after starting at described monorail crane locomotive; Regulating control, for carrying out rectification and voltage stabilizing to generate direct supply to described source of AC; Flame proof control switch; Flame proof storage battery box, described flame proof storage battery box is the electric break-make with described middle control module by described flame proof control switch realization, and before described monorail crane locomotive starts, described flame proof storage battery box provides the described power supply that initially powers on by described flame proof control switch, and described flame proof storage battery box receives the charging of the direct supply of described regulating control generation; Flame-proof type starter motor, wherein, after described monorail crane locomotive starts, controls the main coil of described flame-proof type starter motor and control coil to control described diesel engine starting.
Further, described electrical generator, described regulating control, described flame proof control switch, described flame proof storage battery box and described flame-proof type starter motor are flame-proof type.
And described middle control module is PLC programmable logic controller (PLC).
In addition, described relay case module comprises: intrinsic safety electric source, and the power lead of described intrinsic safety electric source is connected with the power lead of multiple intrinsic safety sensors of described cab signal acquisition module; The first relay, powers on and power-off for controlling described monorail crane locomotive; The second relay, for controlling diesel engine starting.
Further, described middle control module and described relay case module are arranged at flame-proof type electric cabinet inside.
The aspect that the utility model is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the schematic diagram of the monorail crane locomotive electric-control system of the utility model embodiment;
Fig. 2 is according to the schematic diagram of the main driving module of the utility model embodiment;
Fig. 3 is according to the schematic diagram of the copilot module of the utility model embodiment;
Fig. 4 is according to the schematic diagram of the first cab signal collecting unit of the utility model embodiment;
Fig. 5 is according to the schematic diagram of the second cab signal collecting unit of the utility model embodiment;
Fig. 6 is according to the schematic diagram of the speed limit of the utility model embodiment and output execution module;
Fig. 7 is according to the schematic diagram of the generating of the utility model embodiment and startup module;
Fig. 8 is according to the schematic diagram of the relay case module of the utility model embodiment;
Fig. 9 is according to the schematic diagram of the middle control module of the utility model embodiment;
Figure 10 is according to the schematic diagram of the PLC of the middle control module of the utility model embodiment and first signal isolator;
Figure 11 is according to the schematic diagram of the relay unit of the middle control module of the utility model embodiment;
Figure 12 is the first schematic diagram to the 3rd expanding element according to the middle control module of the utility model embodiment; And
Figure 13 is according to the schematic diagram of the secondary signal isolator of the middle control module of the utility model embodiment.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
Describe according to the monorail crane locomotive electric-control system of the utility model embodiment below with reference to Fig. 1 to Figure 13.
As shown in Figure 1, the monorail crane locomotive electric-control system of the utility model embodiment comprises main driving module 100, copilot module 200, cab signal acquisition module 300, speed limit and output execution module 400, generating and starts module 500, relay case module 600 and middle control module 700.Wherein, main driving module 100 and copilot module 200 communicate, and relay case module 600 and middle control module 700 are arranged in a flame-proof type electric cabinet.And middle control module 700 is connected with main driving module 100, copilot module 200, cab signal acquisition module 300, speed limit and output execution module 400, generating and startup module 500.In examples more of the present utility model, middle control module 700 can be PLC(Programmable Logic Controller, programmable logic controller (PLC)).
Respectively the circuit structure of each functional module and execution function are described below.
Fig. 2 is the schematic diagram of main driving module 100.
Particularly, the first liquid crystal touch screen 1 can be carried out two way communication and be controlled the data that module 700 sends in online real-time demonstration by RS232 communication interface and middle control module 700.In other words, the first liquid crystal touch screen 1 can be realized both sides' data exchange and can show in real time online related data with middle control module 700.
Emergency stop button switch 4 is connected with the first and second control loops of shutting down electromagnetic valve of speed limit and output execution module 400, can be in the time receiving stop command, and control monorail crane locomotive and carry out stoppage protection function.
Head light master cock 5, by this switch control QDD signal and received the X004 input port of middle control module 700, for controlling head light 42 and rear signal lamp 43.
Horn switch button 7, directly controls loudspeaker 8 by this switch.In an example of the present utility model, the loudspeaker of the utility model embodiment adopt encapsulation type of explosion proof construc tion.
It should be noted that, the first liquid crystal touch screen 1, annunciator 2, key switch 3, emergency stop button switch 4, head light master cock 5, parking switch 6, horn switch button 7 and loudspeaker 8 are all arranged in flame-proof type electric cabinet.
Fig. 3 is the schematic diagram of copilot module 200.Wherein, copilot module 200 principles and composition and main driving room module 100 are basic identical.Copilot module 200 can be according to the instruction receiving, and auxiliary control monorail crane locomotive is carried out and powered on, starts, the anxious function such as stoppage protection and warning of stopping.
Particularly, copilot module 200 comprises the second liquid crystal touch screen 9, annunciator 10, key switch 11, emergency stop button switch 12, rear large signal controlled switch 13, parking switch 14, horn switch button 15, loudspeaker 16.
Wherein, copilot module 200 is different from main driving room module 100 in electrical connecting wires.The second liquid crystal touch screen 9 communicates by RS422 communication interface and the first liquid crystal touch screen 1, can show the data that the first liquid crystal touch screen 1 sends, thereby realizes the various data display functions of locomotive.
Rear large signal controlled switch 13, this switch control HDD signal is also received the X006 input port of middle control module 700, for controlling rear headlight 44 and front blinker 45.
Cab signal acquisition module comprises the first cab signal collecting unit 310 and the second cab signal collecting unit 320.Fig. 4 and Fig. 5 show respectively the structure of the first cab signal collecting unit 310 and the second cab signal collecting unit 320.
Cab signal acquisition module can gather multiple status datas of monorail crane locomotive.Wherein, cab signal acquisition module comprises multiple intrinsic safety sensors, the power lead of each intrinsic safety sensor is connected with intrinsic safety electric source, and the signal wire (SW) of each intrinsic safety sensor is connected with switching value input port and the analog input port of middle control module 700 by separation fence.Wherein, part intrinsic safety sensor setting is in the first cab signal collecting unit 310, and another part intrinsic safety sensor setting is in the second cab signal collecting unit 320.
In examples more of the present utility model, the first cab signal collecting unit 310 comprises: tachogen 17, car speed sensor 18, the first advancement sensor 19 and the second advancement sensor 20, first retreat sensor 21 and second and retreat sensor 22.
Tachogen 17, is arranged near anti-explosion diesel engine power wheel, for measuring the running rotating speed of diesel engine.
The first advancement sensor 19 and the second advancement sensor 20, be arranged on respectively in major and minor operator's compartment gear manipulation box, for detection of the locomotive shift signal that advances.
The second cab signal collecting unit 320 comprises: surface temperature sensor 23, cooling-water temperature sensor 24, exhaust gas temperature sensor 25, oil temperature sensor 26, hydraulic fluid temperature sensor 27, oil pressure sensor 28, fuel tank level sensor 29, high water tank sensor 30, Hydraulic Main pump pressure sensor 31, hydraulic brake pressure sensor 32, hydraulic clamp pressure sensor 33, hydraulic pressure slippage pump pressure sensor 34, hydraulic reservoir level sensor 35, sensing methane concentration device 36, angular transducer 37, Slope Transducer 38.
Wherein, surface temperature sensor 23, is arranged on the casing upper surface of anti-explosion diesel engine, for measuring diesel engine surface temperature.
Cooling-water temperature sensor 24, is arranged on exhaust elbow and walks water level, for measuring diesel engine cooling coolant-temperature gage.
Exhaust gas temperature sensor 25, is arranged on waste gas treatment tank waste gas row mouthful place, for Measurement in Diesel temperature.
Hydraulic fluid temperature sensor 27, installs on hydraulic reservoir, for measuring hydraulic efficiency pressure system hydraulic fluid temperature.
Fuel tank level sensor 29, is arranged on anti-explosion diesel engine with on fuel tank, for measuring fuel liquid level height in fuel tank for diesel engine.
High water tank sensor 30, is arranged on waste gas treatment tank, for measuring the elevation of water surface of diesel engine exhaust gas treatment case.
Hydraulic Main pump pressure sensor 31, is arranged on hydraulic pressure main pump, for measuring the force value of Hydraulic Main system.
Hydraulic brake pressure sensor 32, is arranged on brake cylinder major loop, for measuring the force value of hydraulic efficiency pressure system brake equipment.
Hydraulic clamp pressure sensor 33, is arranged on and steps up on cylinder major loop, for measuring the fixing device force value of hydraulic efficiency pressure system.
Hydraulic pressure slippage pump pressure sensor 34, is arranged on hydraulic pressure slippage pump, for measuring hydraulic oil filling system force value.
Hydraulic reservoir level sensor 35, is arranged on hydraulic reservoir, for measuring the level height of hydraulic reservoir.
Sensing methane concentration device 36, is arranged on main driving indoor, for detection of the methane concentration value at mine scene.
The power lead of all intrinsic safety sensors in cab signal acquisition module is connected with i24V intrinsic safety electric source, the switching value input port of middle control module 700 is connected with the signal wire (SW) of each intrinsic safety sensor by separation fence with analog input port, and its annexation is as follows:
The input of switching value signal:
(1) input end X000 connects the signal wire (SW) of tachogen 17,
(2) input end X001 connects the signal wire (SW) of car speed sensor 18.
(3) input end X002 connects the first advancement sensor 19 and the second advancement sensor 20(travel switch) corresponding signal line.
(4) input end X003 connects first and retreats sensor 21 and second and retreat sensor 22(travel switch) corresponding signal line.
Analog signals input:
(1) first expanding element 720
1) CH1 passage V1+ and I1+ connect the signal end of surface temperature sensor 23, and COM1 connects the negative pole end of surface temperature sensor 23, and thermal resistance signal is changed into current signal by this separation fence.
2) CH2 passage V2+ and I2+ connect the signal end of cooling-water temperature sensor 24, and COM2 connects the negative pole end of cooling-water temperature sensor 24, and thermal resistance signal is changed into current signal by this separation fence.
3) CH3 passage V3+ and I3+ connect the signal end of exhaust gas temperature sensor 25, and COM3 connects the negative pole end of exhaust gas temperature sensor 25, and thermal resistance signal is changed into current signal by this separation fence.
4) CH4 passage V4+ and I4+ connect the signal end of oil temperature sensor 26, and COM4 connects the negative pole end of oil temperature sensor 26, and thermal resistance signal is changed into current signal by this separation fence.
5) CH5 passage V5+ and I5+ connect the signal end of hydraulic fluid temperature sensor 27, and COM5 connects the negative pole end of hydraulic fluid temperature sensor 27, and thermal resistance signal is changed into current signal by this separation fence.
6) CH6 passage V6+ and I6+ connect the signal end of oil pressure sensor 28, and COM6 connects the negative pole end of oil pressure sensor 28.
7) signal end of CH7 passage V7+ and I7+ BOR Bunker of Redelivery case level sensor 29, the negative pole end of COM7 BOR Bunker of Redelivery case level sensor 29.
8) signal end of CH8 passage V8+ and I8+ water receiving case level sensor 30, the negative pole end of COM8 water receiving case level sensor 30.
(2) second expanding elements 730
1) CH1 passage V+ and I+ connect the signal end of Hydraulic Main pump pressure sensor 31, and VI-connects the negative pole end of Hydraulic Main pump pressure sensor 31.
2) CH2 passage V+ and I+ connect the signal end of hydraulic brake pressure sensor 32, and VI-connects the negative pole end of hydraulic brake pressure sensor 32.
3) CH3 passage V+ and I+ connect the signal end of hydraulic clamp pressure sensor 33, and VI-connects the negative pole end of hydraulic clamp pressure sensor 33.
4) CH4 passage V+ and I+ connect the signal end of hydraulic pressure slippage pump pressure sensor 34, and VI-connects the negative pole end of hydraulic pressure slippage pump pressure sensor 34.
(3) the 3rd expanding elements 740
1) CH1 passage V+ and I+ connect the signal end of hydraulic reservoir level sensor 35, and VI-connects the negative pole end of Hydraulic Main pump pressure sensor 35.
2) CH2 passage V+ and I+ connect the signal end of sensing methane concentration device 36, and VI-connects the negative pole end of sensing methane concentration device 36.
3) CH3 passage V+ and I+ connect the signal end of angular transducer 37, and VI-connects the negative pole end of angular transducer 37.
4) CH4 passage V+ and I+ connect the signal end of Slope Transducer 38, and VI-connects the negative pole end of Slope Transducer 38.
Fig. 6 is the schematic diagram of speed limit and output execution module 400.
Speed limit and output execution module 400 can, in the time that the speed of a motor vehicle of monorail crane locomotive exceedes predetermined threshold value, be controlled monorail crane locomotive speed limit and carry out overspeed protection stopping function.
Particularly, speed limit and output execution module 400 comprise that speed limit travel switch 39, first shuts down electromagnetic valve 40 and second and shut down advance electromagnetic valve 46, locomotive of electromagnetic valve 41, head light 42, rear signal lamp 43, rear headlight 44, front blinker 45, locomotive and retreat electromagnetic valve 47, the anxious power failure magnet valve 48 of hydraulic pressure, parking electromagnetic valve 49.
In an example of the present utility model, the first shutdown electromagnetic valve 40 can be air switching sol, and the second shutdown electromagnetic valve 41 can be fuel cut-off valve.
Wherein, monorail crane locomotive utilizes centrifugal speed limit releaser to trigger speed limit travel switch 39, and its open contact XS is disconnected.It should be noted that, while normally operation, this speed limit travel switch 39 is pressed set by external structure.And, open contact XS is directly connected on the control loop of air switching sol 40 and fuel cut-off valve 41, thereby realizes locomotive overspeed protection stopping function.
It should be noted that, the explosion-proof pattern of each electric elements in speed limit and output execution module 400 is flame-proof type.
Programmable Logic Controller PLC700 switching value output port is connected with each device of speed limit and output execution module 400 by relay unit 770, and its annexation is as follows:
(1) mouth Y000 control relay KA0, power supply 24V2 connects on the positive terminal of control coil of air switching sol 40 and fuel cut-off valve 41 through the open contact KA0 of KA0, and its negative terminal connects 24V-.
(2) mouth Y001 control relay KA1, power supply 24V2 through the open contact KA1 of KA1 connect head lamp 42 and after on the positive terminal of signal lamp 43, its negative terminal connects 24V-.
(3) mouth Y002 control relay KA2, power supply 24V2 connects on the positive terminal of rear light 44, front blinker 45 through the open contact KA2 of KA2, and its negative terminal connects 24V-.
(4) mouth Y003 control relay KA3, power supply 24V2 connects locomotive through the open contact KA3 of KA3 and advances on the positive terminal of electromagnetic valve 46, and its negative terminal connects 24V-.
(5) mouth Y004 control relay KA4, power supply 24V2 connects locomotive through the open contact KA4 of KA4 and retreats on the positive terminal of electromagnetic valve 47, and its negative terminal connects 24V-.
(6) mouth Y005 control relay KA5, power supply 24V2 connects on the positive terminal of the anxious power failure magnet valve 48 of hydraulic pressure through the open contact KA5 of KA5, and its negative terminal connects 24V-.
(7) mouth Y006 control relay KA6, power supply 24V2 connects on the positive terminal of parking electromagnetic valve 49 through the open contact KA6 of KA6, and its negative terminal connects 24V-.
Fig. 7 is generating and the schematic diagram that starts module 500.
Generating and startup module 500 can start prerequisite for the power supply that initially powers at monorail crane locomotive, start diesel engine after key switch control monorail crane locomotive starts, and produce source of AC by diesel engine drive.
Particularly, generating and startup module 500 comprise: electrical generator 50, regulating control 51, flame proof control switch 53, flame proof storage battery box 52 and flame-proof type starter motor 54.Flame proof control switch 53 can be realized the electric on-off function of flame proof storage battery box 52 and system.Particularly, before monorail crane locomotive does not start, initially powering on that storage battery box 52 is system by flame proof control switch 53 provides power supply, and after powering on, system detects various locomotive data, if locomotive trouble free point can directly start locomotive.After locomotive operation starts, diesel engine drives electrical generator 50 rotations to produce source of AC, and this source of AC is exported direct current 24V power supply to realize the charge function to flame proof storage battery box 52 for system power supply simultaneously after regulating control 51 rectifications, voltage stabilizing.Wherein system power on and locomotive start be by key switch to the first relay K M1 in relay case module 600 and the second relay K M2 coil control, start diesel engine thereby then realize the control of the main coil to flame-proof type starter motor 54 and control coil respectively.
In embodiment more of the present utility model, above-mentioned electrical generator, regulating control, flame proof control switch, flame proof storage battery box and flame-proof type starter motor are flame-proof type.
Fig. 8 is the schematic diagram of relay case module 600.
In an embodiment of the present utility model, intrinsic safety electric source can provide intrinsic safety electric source for each intrinsic safety sensor of system peripherals.
In another embodiment of the present utility model, relay case module 600 further comprises the connection terminal and the protective tube etc. that facilitate distribution to use.
Fig. 9 is the schematic diagram of middle control module 700.Middle control module 700 can be to sampling from multiple status datas of cab signal acquisition module and processing to control the output action of monorail crane locomotive, and in the time detecting that above-mentioned status data exceeds standard or breaks down, control corresponding electricity piece power-off, the concurrent alert output command of delivering newspaper.Particularly, middle control module 700 comprises: PLC chip 710, the first expanding element 720, the second expanding element 730 and the 3rd expanding element 740, first signal isolator 750, secondary signal isolator 760 and relay unit 770.Wherein, middle control module 700 is PLC programmable logic controller (PLC).
First, middle control module 700 24V direct supply and intrinsic safety electric source used all comes from relay case module 600.The structure of PLC chip 710, first signal isolator 750 and the first expanding element 720, the second expanding element 730, the 3rd expanding element 740 has been shown in Figure 10 and Figure 12.In an embodiment of the present utility model, it is that the PLC of FX2N-16MR is with addition of analog quantity spread module that said structure can adopt model.
As shown in Figure 10 and Figure 13, in examples more of the present utility model, first signal isolator 750 and secondary signal isolator 760 are intrinsic safety signal separation fence.
Particularly, middle control module 700 can be carried out collecting and sampling to the status data of cab signal acquisition module collection, then carry out calculation process, according to output control output and the warning of calculation process, and realize data exchange and demonstration with the first liquid crystal touch screen 1 of main driving module 100, thereby can so that for engineering debug person and drive driver various data are provided.
Further, when central control module 700 detects diesel engine et out of order, system control air switching sol 40 and fuel cut-off valve 41 power-off, thus make monorail crane locomotive out of service and report to the police.When central control module 700 detects hydraulic system fault, 48 power-off of the anxious power failure magnet valve of system control hydraulic pressure, thus make monorail crane locomotive emergency braking and report to the police.In the middle of control module 700 when car load controlling point fault detected, advance electromagnetic valve 46 and locomotive of system control machine car retreats electromagnetic valve 47 dead electricity, thereby monorail crane locomotive cannot be moved, the processing of simultaneously reporting to the police.
And middle control module 700, for to prevent the explosion-proof impact of non-intrinsically safe circuit on intrinsically safe circuit, is installed intrinsic safety type separation fence intrinsic safety and non-intrinsically safe circuit is carried out to electrical isolation between intrinsically safe circuit and non-intrinsically safe circuit.And, as shown in figure 11, in order to control the safety of interface of module 700 in protecting, at middle control module output port, corresponding relay unit 770 is installed.
In embodiment more of the present utility model, relay case module 600 and middle control module 700 are arranged at flame-proof type electric cabinet inside.In other words, become relay case module 600 and middle control module 700 at flame-proof type electric cabinet interior separation.
According to the monorail crane locomotive electric-control system of the utility model embodiment, adopt PLC controller, there is control efficiency high, the advantage of designs simplification, and status data that can Real-time Obtaining monorail crane locomotive, and obtain in time the current state of locomotive according to these status datas, in the time finding fault, send in time warning, thereby improved the safe reliability of system operation.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with being stored in software or the firmware carried out in memory device and by suitable instruction execution system.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic for data-signal being realized to the logic gates of logic function, there is the special IC of suitable combinatory logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the utility model can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only memory (ROM), disk or CD etc.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, modification, replacement and modification.Scope of the present utility model is extremely equal to and limits by claims.
Claims (10)
1. a monorail crane locomotive electric-control system, is characterized in that, comprising: main driving module, copilot module, cab signal acquisition module, speed limit and output execution module, generating and startup module, relay case module and middle control module, wherein,
Described main driving module powers on, starts, suddenly stops stoppage protection and warning function for carrying out according to monorail crane locomotive described in the instruction control receiving,
The instruction that described copilot module receives for basis, the described monorail crane locomotive of auxiliary control is carried out and is powered on, starts, anxious stoppage protection and the warning function of stopping;
Described cab signal acquisition module is for gathering multiple status datas of described monorail crane locomotive, wherein, described cab signal acquisition module comprises multiple intrinsic safety sensors, the power lead of each described intrinsic safety sensor is connected with intrinsic safety electric source, and the signal wire (SW) of each described intrinsic safety sensor is connected with switching value input port and the analog input port of described middle control module by separation fence;
Described speed limit and output execution module, in the time that the speed of a motor vehicle of described monorail crane locomotive exceedes predetermined threshold value, are controlled described monorail crane locomotive speed limit, carry out overspeed protection and shut down, and wherein said speed limit and output execution module comprise:
Speed limit travel switch, the open contact of described speed limit travel switch disconnects;
First shuts down electromagnetic valve and second shuts down electromagnetic valve, and the open contact of described speed limit travel switch is series at described first and second and shuts down on the control loop of electromagnetic valve;
Generate electricity and start module, for starting prerequisite for the power supply that initially powers at described monorail crane locomotive, and starting the rear diesel engine that starts at monorail crane locomotive described in key switch control, and drive and produce source of AC by described diesel engine;
Relay case module, for providing intrinsic safety electric source; And
Middle control module, for to sampling from multiple status datas of described cab signal acquisition module and processing to control the output action of described monorail crane locomotive, and in the time detecting that described status data exceeds standard or breaks down, control the power-off of respective electric part, the concurrent alert output command of delivering newspaper.
2. monorail crane locomotive electric-control system as claimed in claim 1, is characterized in that, described main driving module comprises:
Flame-proof type electric cabinet;
The first liquid crystal touch screen, for carrying out two way communication the online data that show that in real time described middle control module sends by communication interface and described control module;
Annunciator, for sending alerting signal in the time receiving the warning output command of described control module;
Key switch, for the direct current (DC) that has a predeterminated voltage value by time control described monorail crane locomotive carry out power on, power-off and start-up performance;
Emergency stop button switch, described emergency stop button switch is shut down electromagnetic valve with first of described speed limit and output execution module and is connected with the second control loop of shutting down electromagnetic valve, in the time receiving stop command, controls described monorail crane locomotive and carries out stoppage protection function;
Wherein, described the first liquid crystal touch screen, described annunciator, described key switch, described emergency stop button switch are arranged in described flame-proof type electric cabinet.
3. monorail crane locomotive electric-control system as claimed in claim 2, it is characterized in that, described copilot module comprises: the second liquid crystal touch screen, described the second liquid crystal touch screen and described the first liquid crystal touch screen communicate, for the data that show that described the first liquid crystal touch screen sends.
4. monorail crane locomotive electric-control system as claimed in claim 1, is characterized in that, described the first shutdown electromagnetic valve is air switching sol, and described the second shutdown electromagnetic valve is fuel cut-off valve.
5. monorail crane locomotive electric-control system as claimed in claim 1, it is characterized in that, described cab signal acquisition module comprises: tachogen, car speed sensor, the first and second advancement sensor, first and second retreat sensor, surface temperature sensor, cooling-water temperature sensor, exhaust gas temperature sensor, oil temperature sensor, hydraulic fluid temperature sensor, oil pressure sensor, fuel tank level sensor, high water tank sensor, Hydraulic Main pump pressure sensor, hydraulic brake pressure sensor, hydraulic clamp pressure sensor, hydraulic pressure slippage pump pressure sensor, hydraulic reservoir level sensor, sensing methane concentration device, angular transducer and Slope Transducer.
6. monorail crane locomotive electric-control system as claimed in claim 1, is characterized in that, described generating and startup module comprise:
Electrical generator, for producing source of AC under the drive at diesel engine after starting at described monorail crane locomotive;
Regulating control, for carrying out rectification and voltage stabilizing to generate direct supply to described source of AC;
Flame proof control switch;
Flame proof storage battery box, described flame proof storage battery box is the electric break-make with described middle control module by described flame proof control switch realization, and before described monorail crane locomotive starts, described flame proof storage battery box provides the described power supply that initially powers on by described flame proof control switch, and described flame proof storage battery box receives the charging of the direct supply of described regulating control generation;
Flame-proof type starter motor, wherein, after described monorail crane locomotive starts, controls the main coil of described flame-proof type starter motor and control coil to control described diesel engine starting.
7. monorail crane locomotive electric-control system as claimed in claim 6, is characterized in that, described electrical generator, described regulating control, described flame proof control switch, described flame proof storage battery box and described flame-proof type starter motor are flame-proof type.
8. monorail crane locomotive electric-control system as claimed in claim 1, is characterized in that, described middle control module is PLC programmable logic controller (PLC).
9. monorail crane locomotive electric-control system as claimed in claim 1, is characterized in that, described relay case module comprises:
Intrinsic safety electric source, the power lead of described intrinsic safety electric source is connected with the power lead of multiple intrinsic safety sensors of described cab signal acquisition module;
The first relay, powers on and power-off for controlling described monorail crane locomotive; And
The second relay, for controlling diesel engine starting.
10. monorail crane locomotive electric-control system as claimed in claim 1, is characterized in that, described middle control module and described relay case module are arranged at flame-proof type electric cabinet inside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621200.XU CN203601305U (en) | 2013-10-09 | 2013-10-09 | Monorail crane electronic control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320621200.XU CN203601305U (en) | 2013-10-09 | 2013-10-09 | Monorail crane electronic control system |
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| CN203601305U true CN203601305U (en) | 2014-05-21 |
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| CN201320621200.XU Withdrawn - After Issue CN203601305U (en) | 2013-10-09 | 2013-10-09 | Monorail crane electronic control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481915A (en) * | 2013-10-09 | 2014-01-01 | 北京凯润机电设备制造有限责任公司 | Electric control system for monorail crane |
| CN110239573A (en) * | 2019-06-25 | 2019-09-17 | 太原矿机电气股份有限公司 | A kind of mine anti-explosion bavin electricity mixed power clamp rail rack locomotive |
| CN110834652A (en) * | 2019-11-29 | 2020-02-25 | 中车大连机车车辆有限公司 | Locomotive overspeed automatic unloading device, locomotive overspeed automatic unloading method and vehicle |
-
2013
- 2013-10-09 CN CN201320621200.XU patent/CN203601305U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481915A (en) * | 2013-10-09 | 2014-01-01 | 北京凯润机电设备制造有限责任公司 | Electric control system for monorail crane |
| CN110239573A (en) * | 2019-06-25 | 2019-09-17 | 太原矿机电气股份有限公司 | A kind of mine anti-explosion bavin electricity mixed power clamp rail rack locomotive |
| CN110834652A (en) * | 2019-11-29 | 2020-02-25 | 中车大连机车车辆有限公司 | Locomotive overspeed automatic unloading device, locomotive overspeed automatic unloading method and vehicle |
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