CN102155397A - Emulsion pump station control host machine - Google Patents
Emulsion pump station control host machine Download PDFInfo
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- CN102155397A CN102155397A CN2011101202609A CN201110120260A CN102155397A CN 102155397 A CN102155397 A CN 102155397A CN 2011101202609 A CN2011101202609 A CN 2011101202609A CN 201110120260 A CN201110120260 A CN 201110120260A CN 102155397 A CN102155397 A CN 102155397A
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Abstract
The invention relates to an emulsion pump station control host machine. A CPU (Central Processing Unit) module in the control host machine is used for completing state inspection, fault inquiry, parameter setting, time setting, user management setting and parameter shielding setting; system halting is avoided by using a watchdog module; a clock module is used for providing a clock signal for a system; a communication state display module is used for displaying whether the current communication is in receiving or transmitting state; a serial port expansion module is used for expanding a serial port resource of the CPU module into two paths; an RS485 conversion module is used for completing communication between the control host machine and each control branch machine; an RS232 conversion module is used for completing communication between the control host machine and a display screen; an external switch control module and an internal key control module are used for completing system operation by keys; and an emergency stop module is used for realizing machine halt under an emergency condition. The control host machine continuously communicates with each control branch machine to complete the communication function of the system, has the characteristics of convenience of operation, reliable performance and perfect function, and can be used for well realizing control over an emulsion pump station.
Description
Technical field
The present invention relates to a kind of emulsion power pack main control system, be particularly useful for the control of large-flow emulsion pumping plant, belong to emulsion power pack control correlative technology field as the parametric synthesis processing equipment.
Background technique
At present, control system and the monitoring system and the imperfection of the emulsion power pack that domestic most of middle and small scale coal mine uses, the emulsion power pack in a lot of collieries does not have control system and monitoring system, have only two emulsion pumps and an emulsion box to form, during work one use one standby, liquid supply pressure is little, flow is little, pulsation is big, system's instability, often break down in the using process, have a strong impact on the safety in production of working surface.Domestic large-scale mine and the external emulsion power pack that uses are the external emulsion power packs of producing, and have more perfect automatical control system, but because automatical control system all is external import, cost are very high.The maintenance cost of electric equipment is relative with the equipment and spare part expense also higher, is unfavorable for long-term use.After particularly using a period of time, rate of fault increases, and amount of maintenance is big, can not keep in repair after some parts damages and can only change, and independent accessory is more expensive, and the order cycle time is long, and this has just increased mining costs, the ordinary production that influence is mined; Control system is subjected to the influence of foreign system Electric Machine at Pumping Station, concentration of emulsion used, oil emulsion and device structure simultaneously, and pumping plant feed flow equipment has multiple model and specification, and external automatical control system can not be advantageously used in homemade feed flow equipment, is not easy to promote.Therefore the reliable emulsion power pack control apparatus of design safety substituting import one is imperative.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art, a kind of emulsion power pack main control system is provided, that this main control system has is easy to operate, the characteristics of reliable performance, Perfect in shape and function, can well realize the control to emulsion power pack.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A kind of emulsion power pack main control system, comprise CPU module, watchdog module, clock module, communication state display modular, serial ports expansion module, RS485 modular converter, RS232 modular converter, display screen, acoustooptic alarm module, suddenly stop module, I/O expansion module, external switch control module, inner button control module and data access module, wherein:
The CPU module finishes that system mode is patrolled and examined, fault inquiry, parameter setting, time are provided with, user management setting and parameter shielding are provided with; Watchdog module is fed dog by " reading to allow " pin, and behind system in case of system halt, the outside does not have under the situation of feeding-dog signal, and watchdog circuit input reset signal restarts the CPU program; Clock module passes through I
2C bus and CPU module realize communicating to connect, for the exercises of system provide CLK clock; The communication state display modular shows communication state between current C PU module and the display screen and the communication state that shows current C PU module and external control extension set; The serial ports expansion module is used for the two-way serial ports road serial ports expansion that the CPU module has for system; The RS485 modular converter is converted into the Transistor-Transistor Logic level signal that 485 signals are used for the CPU module and system respectively controls the extension set communication; The RS232 modular converter is converted into 232 signals with the Transistor-Transistor Logic level signal and is used for CPU module and display screen communication; Display screen provides human-computer interaction interface, shows the work at present state; The acoustooptic alarm module is when system breaks down or need item that the user notes to take place, and the CPU module points out the user to note by tutorial light and sound alarm; Suddenly stop module and be used in emergency circumstances that system all shuts down; I/O expansion module expansion exterior I/O interface satisfies the demand of system for the I/O resource; The external switch control module comprises two kinds of button and knobs, is used for the operation to system; Inner button control module is used for the setting to systematic parameter, satisfies different system or different operating mode demand; Data access module is stored various control signals and read, and avoids power down to lose.
In above-mentioned emulsion power pack main control system, the status checkout of CPU module is and the communication of external emulsification liquid pump station parameter detecting control extension set, obtain the parameter of current each parameter detecting control extension set, according to described get access to respectively control the extension set parameter, emulsion power pack is finished control corresponding.
In above-mentioned emulsion power pack main control system, the fault inquiry of CPU module is for obtaining time of failure, fault scene and fault occurrence cause information.
In above-mentioned emulsion power pack main control system, the parameter of CPU module is set to be provided with system alarm and fault parameter; The described time is set to the CPU module current system time is set.
In above-mentioned emulsion power pack main control system, the user management of CPU module is set to be provided with cryptographic system.
In above-mentioned emulsion power pack main control system, the parameter of CPU module shielding is set to according to user's request partial parameters be carried out shielding processing, and to described parameter detecting, demonstration but do not control.
In above-mentioned emulsion power pack main control system, the systematic parameter of inner button control module setting comprises: the water level of the oil temperature of the oil pressure of emulsion box liquid temperature, emulsion box liquid level, emulsion box oil level, emulsion pump, emulsion pump, the oil level of emulsion pump, filtered water tank, the water temperature of filtered water tank, the oil pressure of clean waterpump, the oil temperature of clear water liquid pump, the oil level of clean waterpump; Output data comprises: electromagnetic valve, Electric Machine Control, liquid level water level electromagnetic valve.
In above-mentioned emulsion power pack main control system, display screen shows that the work at present state is meant in data transmission after the CPU module, the CPU module is by RS232 instruction and display screen communication, and the instruction format that data are required according to display screen sends to display screen and shows.
In above-mentioned emulsion power pack main control system, button that the external switch control module comprises and knob are: hand/auto-switching push button, booster motor start and stop button, emulsion pump/clean waterpump operation knob, fault inquiry button, on turn over button, turn over button and stop button down.
In above-mentioned emulsion power pack main control system, the CPU module is selected the AT89C55WD chip; Data access module is selected the OKS1245 pin-saving chip.
The present invention compared with prior art has following beneficial effect:
(1) emulsion power pack main control system design alarm parameters of the present invention is provided with function of shielding, can abandon partial parameters control selection according to customer requirements behind identifying user identity, can better adapt to on-the-spot actual demand, increases the flexibility of system;
(2) emulsion power pack main control system of the present invention is provided with the priority orders of pump according to the unlatching halted state of pump, and avoiding a certain pump is a preferential pump for a long time, and a certain the long-term obsolete phenomenon of pump takes place, and can make full use of the utilization efficiency that resource improves pump;
(3) emulsion power pack main control system of the present invention designs manual two kinds of control modes, can not carry out any operation to Electric Machine at Pumping Station on the spot under the automatic mode, manual start and stop motor under the manual mode, two kinds of operator schemes can realize conveniently that unperturbed switches, and satisfies different demands;
(4) emulsion power pack main control system of the present invention is controlled each pump according to priority, when the emulsion power pack composition changes, need not revise hardware circuit, only needs simple modification software interface and control panel to get final product, the convenient use;
(5) the external switch control module of emulsion power pack main control system of the present invention, its emulsion pump/clean waterpump operation knob is provided with " preparation ", " locking ", " unlatching " three kinds of states, has well satisfied under the manual pattern of system operation and control to emulsion power pack;
(6) emulsion power pack main control system of the present invention adopts 24 core cables that RS485 communication bus, guide line, power line are integrated, avoid in system, using multiple line, comprise communication bus, guide line and power line, improve the convenience of wiring operation, reduced the rate of fault of system; And by 24 core cables each control knob is delivered to parameter detecting control extension set, realizes on the spot to the start and stop of motor, easy to operate;
(7) display screen of emulsion power pack main control system employing of the present invention is 8 cun display screens, and resolution is 800*600, and abundanter with respect to its display frame of the little liquid crystal display panel of use grey in the prior art, the human-machine interactive information amount is bigger;
(8) serial expanded circuit of emulsion power pack main control system design of the present invention when satisfying system requirements, has guaranteed that the CPU module is simple and practical, characteristics with low cost.
Description of drawings
Fig. 1 is the structural representation of main control system of the present invention;
Fig. 2 is the workflow diagram of CPU module in the main control system of the present invention;
Fig. 3 patrols and examines flow chart for the program parameter of CPU module in the main control system of the present invention;
Fig. 4 is the system parameter setting surface chart of CPU module in the main control system of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Be illustrated in figure 1 as the structural representation of main control system of the present invention, emulsion power pack main control system of the present invention as seen from the figure comprises CPU module, watchdog module, clock module, communication state display modular, serial ports expansion module, RS485 modular converter, RS232 modular converter, display screen, acoustooptic alarm module, anxious module, I/O expansion module, external switch control module, inner button control module and the data access module of stopping that is arranged on the PCB printed circuit board.Watchdog module wherein; clock module; the communication state display modular; the serial ports expansion module; the RS485 modular converter; the RS232 modular converter; and data access module is connected by the PCB cabling with the CPU module respectively; the CPU module is connected by the PCB cabling with the I/O expansion module; inner button control module is connected with the I/O expansion module by the PCB cabling; display screen is connected with the RS232 modular converter by external interface; the external switch control module is connected with the I/O expansion module by external interface, suddenly stops module and by the PCB cabling urgency is stopped the loop and pass to next control extension set from main control system.
Wherein the CPU module adopts the AT89C55WD chip to finish the functions such as logic control of system.Be illustrated in figure 2 as the workflow diagram of CPU module in the main control system of the present invention, wherein CPU module main functional modules comprises: status checkout, fault inquiry, parameter setting, time setting, user management and parameter shielding are provided with isotype.
The program parameter that is illustrated in figure 3 as CPU module in the main control system of the present invention is patrolled and examined flow chart, status checkout is the main pattern of program work, by controlling the communication of extension set with each, the cyclic query current data, and parameter current is presented on the display screen, patrol and examine that the concrete work of main control system comprises in the process:
With the communication of emulsion power pack parameter detecting control extension set, obtain the parameter of current each parameter detecting control extension set.Wherein the parameter of emulsion box parameter detecting control extension set comprises: emulsified liquid liquid level, oil emulsion oil level, emulsified liquid temperature; Wherein the parameter of filtered water tank parameter detecting control extension set comprises: water level, water temperature; Wherein the parameter of emulsion pump parameter detecting control extension set comprises: lubricant level, lubricant oil oil pressure, lubricant oil oil temperature; Wherein the parameter of clean waterpump parameter detecting control extension set comprises: lubricant level, lubricant oil oil pressure, lubricant oil oil temperature.With the communication of the total liquid outlet Pressure testing control of emulsion power pack extension set, obtain the start-stop state of current emulsion power pack total pressure and each feather valve of emulsion power pack.With the communication of the emergent control of emulsion power pack extension set, obtain the start-stop state of current each motor of emulsion power pack.
Respectively control the extension set parameter by what get access to, emulsion power pack is finished control corresponding, its control mainly comprises:
(1) crosses when low when emulsion box parameter detecting control extension set emulsified liquid liquid level, open entering water electromagnetic valve; When emulsion box parameter detecting control extension set emulsified liquid liquid level is too high, close entering water electromagnetic valve; When emulsion box parameter detecting control extension set emulsified liquid liquid temperature is too high, system-down; When emulsion box parameter detecting control extension set oil emulsion oil level is crossed when low system-down.
(2) cross when low when emulsion pump parameter detecting control extension set lubricant level, close respective pump, start stand by pump; Warm when too high when emulsion pump parameter detecting control extension set lubricant oil oil, close respective pump, start the stand by pump machine; When emulsion pump parameter detecting control extension set lubricant oil oil pressure is too high, close respective pump, start stand by pump.
(3) cross when low when filtered water tank parameter detecting control extension set water level, open entering water electromagnetic valve; When filtered water tank parameter detecting control extension set water level is too high, close entering water electromagnetic valve; When filtered water tank parameter detecting control extension set water temperature is too high, system-down.
(4) cross when low when clean waterpump parameter detecting control extension set lubricant level, close respective pump, start stand by pump; Warm when too high when clean waterpump parameter detecting control extension set lubricant oil oil, close respective pump, start stand by pump; When clean waterpump parameter detecting control extension set lubricant oil oil pressure is too high, close respective pump, start stand by pump.
During (5) with emergent control extension set communication, the start stop operation of each motor is transferred to emergent control extension set.
Fault inquiry is in system work process, presses the fault inquiry button, enters the fault inquiry interface.Wherein the fault message content comprises: time of failure, fault scene, fault occurrence cause.
Parameter is provided with pattern system alarm and fault parameter is set, and the parameter that is illustrated in figure 4 as CPU module in the main control system of the present invention is provided with surface chart.After finishing and withdraw from parameter and being provided with, main control system can be immediately and the communication of total liquid outlet pressure control extension set, and feather valve action parameters at different levels are transferred to total liquid outlet pressure control extension set.
Time is provided with pattern current system time is set.
The user management pattern is meant the cryptographic system of system.System is provided with the two-stage password, enter parameter setting, time setting, parameter shielding isotype is set all must the input low grade cryptosystem; The input high grade cryptosystem can be revised low grade cryptosystem after entering the user management pattern.
Parameter shielding is provided with pattern and according to user's request partial parameters is carried out shielding processing, to this parameter detecting, demonstration but do not control.
Watchdog module is fed dog by " reading to allow " pin, and when system read external data by the expansion I/O mouth, " reading to allow " pin was fed dog simultaneously.Behind system in case of system halt, the outside does not have under the situation of feeding-dog signal, and watchdog circuit input reset signal restarts the CPU program.
The chip that clock module is selected is PCF8563, and the CPU module is passed through I
2The C bus reads or is provided with clock module, and clock module on the one hand shows the current time by display screen, provides writing time, use when inquiring about for system's later stage for fault or warning on the other hand.
The communication state display modular shows communication state between current C PU module and the display screen and the communication state that shows current C PU module and external control extension set.The communication state display modular is provided with two dual-colored LED tutorial light, is respectively display screen communication state tutorial light and RS485 communication state tutorial light.When the CPU module received data, tutorial light was a red display; When the CPU module sent data, tutorial light was green the demonstration.
The serial ports expansion module is converted to the two-way serial ports with the road serial ports that the CPU module itself has, and selects wherein one the tunnel to import the CPU module into as required.
The RS485 modular converter is that the strong RS485 signal of antijamming capability is used for system communication with the Transistor-Transistor Logic level signal conversion of CPU module output.The present invention adopts 24 core cables that RS485 communication bus, guide line, power line are integrated, avoid in system, using multiple line, and each control knob is delivered to parameter detecting control extension set by 24 core cables, and realize on the spot to the start and stop of motor, easy to operate.
The RS232 modular converter is that the RS232 signal that display screen can be discerned is used for system communication with the Transistor-Transistor Logic level signal conversion of CPU module output.
Display screen is 8 cun display screens, and resolution is 800*600.Display screen is operated according to the user and is shown the work at present state, the good man-machine interaction interface is provided, be meant specifically in data transmission that after the CPU module CPU module is by RS232 instruction and display screen communication, the instruction format that data are required according to display screen sends to display screen and shows.
The acoustooptic alarm module provides alarm for the user, sound alarm is on the circuit board buzzer to be set, auditory tone cues when systematic parameter is reported to the police or broken down, light are reported to the police on the operation panel alarm indicator lamp being set, luminous prompting when systematic parameter is reported to the police or broken down.
The I/O expansion module is used for CPU module expansion exterior I/O interface, enriches system resource, satisfies the demand of system to the I/O interface resource.
The external switch control module is meant the operating button on the host computer control panel, mainly comprise: hand/auto-switching push button, booster motor start and stop button, emulsion pump/clean waterpump operation knob, fault inquiry button, on turn over button, turn over button and stop button down, wherein emulsion pump/clean waterpump operation knob is provided with " preparation ", " locking ", " unlatching " three kinds of states.
Inner button control module is meant upper and lower, left and right and the confirming button that is positioned on the main control system circuit board, is used for system data is operated.Inner button is arranged on the complexity that purpose on the circuit board reduces panel on the one hand, can avoids the hack parameter on the other hand.
Data access module adopts OKS1245 data access chip, and storage space is divided into each 64KB of two-part up and down, in the program its upper half is used for memory system data, and bottom half is used to store the historical failure data.During the work of CPU module, when P1.0 mouth output high level is used to realize selection to the memory data upper half, output low level is used to realize the selection to the memory data bottom half, and P0 mouth, P2 mouth are used to realize the selection to outside data address, and the P0 mouth is also realized reading external data.Select low 64KB bytes store system variable in the programming, the variable kind comprises display screen communication command word, display parameter of display screen coordinate, and the variable that needs during other program running.By high 64KB bytes store historical failure data, the composition of historical failure data comprises the place that time of failure, fault occurrence cause and fault take place.
Main control system is that manual mode or automatic mode are provided with corresponding priority level according to present mode after starting, and concrete operation method is:
Under the manual mode, the priority of emulsion pump is determined to carry out by following rule:
When (1) opening, the emulsion pump of first startup is a priority pump, and the emulsion pump of second startup is No. two priority pumps, and the emulsion pump of the 3rd startup is No. three priority pumps, and the emulsion pump of the 4th startup is No. four priority pumps.
(2) in the running, if wherein pump by the people for closing or because of the parameter Alerts Off, the then priority of this pump cancellation has a priority one-level that all raises with this priority unlatching pump afterwards.
Under the automatic mode, the priority of emulsion pump is determined to carry out by following rule:
When (1) opening, the emulsion pump of first startup is a priority pump, and the emulsion pump of second startup is No. two priority pumps, and the emulsion pump of the 3rd startup is No. three priority pumps, and a remaining pump does not start, and is made as stand by pump.
(2) in the running, if wherein pump by the people for closing or because of the parameter Alerts Off, the then priority of this pump cancellation has a priority one-level that all raises with this priority unlatching pump afterwards.Start stand by pump, and its priority is made as lowest priority pump in the current unlatching emulsion pump, and the pump that will just stop being made as stand by pump.
The above; only be the embodiment of the best of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
The content that is not described in detail in the specification of the present invention belongs to related domain professional and technical personnel's known technology.
Claims (10)
1. emulsion power pack main control system, it is characterized in that comprising CPU module, watchdog module, clock module, communication state display modular, serial ports expansion module, RS485 modular converter, RS232 modular converter, display screen, acoustooptic alarm module, suddenly stop module, I/O expansion module, external switch control module, inner button control module and data access module, wherein:
The CPU module finishes that system mode is patrolled and examined, fault inquiry, parameter setting, time are provided with, user management setting and parameter shielding are provided with; Watchdog module is fed dog by " reading to allow " pin, and behind system in case of system halt, the outside does not have under the situation of feeding-dog signal, and watchdog circuit input reset signal restarts the CPU program; Clock module passes through I
2C bus and CPU module realize communicating to connect, for the exercises of system provide CLK clock; The communication state display modular shows communication state between current C PU module and the display screen and the communication state that shows current C PU module and external control extension set; The serial ports expansion module is used for the two-way serial ports road serial ports expansion that the CPU module has for system; The RS485 modular converter is converted into the Transistor-Transistor Logic level signal that 485 signals are used for the CPU module and system respectively controls the extension set communication; The RS232 modular converter is converted into 232 signals with the Transistor-Transistor Logic level signal and is used for CPU module and display screen communication; Display screen provides human-computer interaction interface, shows the work at present state; The acoustooptic alarm module is when system breaks down or need item that the user notes to take place, and the CPU module points out the user to note by tutorial light and sound alarm; Suddenly stop module and be used in emergency circumstances that system all shuts down; I/O expansion module expansion exterior I/O interface satisfies the demand of system for the I/O resource; The external switch control module comprises two kinds of button and knobs, is used for the operation to system; Inner button control module is used for the setting to systematic parameter, satisfies different system or different operating mode demand; Data access module is stored various control signals and read, and avoids power down to lose.
2. a kind of emulsion power pack main control system according to claim 1, it is characterized in that: the status checkout of described CPU module is for controlling the extension set communication with external emulsification liquid pump station parameter detecting, obtain the parameter of current each parameter detecting control extension set, according to described get access to respectively control the extension set parameter, emulsion power pack is finished control corresponding.
3. a kind of emulsion power pack main control system according to claim 1 is characterized in that: the fault inquiry of described CPU module is for obtaining time of failure, fault scene and fault occurrence cause information.
4. a kind of emulsion power pack main control system according to claim 1, it is characterized in that: the parameter of described CPU module is set to be provided with system alarm and fault parameter; The time of described CPU module is set to be provided with current system time.
5. a kind of emulsion power pack main control system according to claim 1, it is characterized in that: the user management of described CPU module is set to be provided with cryptographic system.
6. a kind of emulsion power pack main control system according to claim 1 is characterized in that: the shielding of the parameter of described CPU module is set to according to user's request partial parameters be carried out shielding processing, and to described parameter detecting, demonstration but do not control.
7. a kind of emulsion power pack main control system according to claim 1 is characterized in that: the systematic parameter of described inner button control module setting comprises: the oil level of the oil pressure of the water level of the oil temperature of the oil pressure of emulsion box liquid temperature, emulsion box liquid level, emulsion box oil level, emulsion pump, emulsion pump, the oil level of emulsion pump, filtered water tank, the water temperature of filtered water tank, clean waterpump, the oily gentle clean waterpump of clear water liquid pump.
8. a kind of emulsion power pack main control system according to claim 1, it is characterized in that: described display screen shows that the work at present state is meant in data transmission after the CPU module, the CPU module is by RS232 instruction and display screen communication, and the instruction format that data are required according to display screen sends to display screen and shows.
9. a kind of emulsion power pack main control system according to claim 1 is characterized in that: button and knob that described external switch control module comprises are: hand/auto-switching push button, booster motor start and stop button, emulsion pump/clean waterpump operation knob, fault inquiry button, on turn over button, turn over button and stop button down.
10. a kind of emulsion power pack main control system according to claim 1 is characterized in that: described CPU module is selected the AT89C55WD chip; Described data access module is selected the OKS1245 pin-saving chip.
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|---|---|---|---|
| CN2011101202609A CN102155397A (en) | 2011-05-10 | 2011-05-10 | Emulsion pump station control host machine |
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| CN2011101202609A CN102155397A (en) | 2011-05-10 | 2011-05-10 | Emulsion pump station control host machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677659A (en) * | 2020-06-12 | 2020-09-18 | 山东金燕自动化科技有限公司 | Automatic control system of unattended emulsion pump |
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Application publication date: 20110817 |