CN205540048U - Machinery peak regulation electrical system - Google Patents
Machinery peak regulation electrical system Download PDFInfo
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- CN205540048U CN205540048U CN201620180846.2U CN201620180846U CN205540048U CN 205540048 U CN205540048 U CN 205540048U CN 201620180846 U CN201620180846 U CN 201620180846U CN 205540048 U CN205540048 U CN 205540048U
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Abstract
The utility model relates to a can eliminate impact load's intelligence control system, concretely relates to machinery peak regulation electrical system, including data acquisition subsystem, intelligent control subsystem, peak regulation subsystem, flywheel energy storage subsystem, data acquisition subsystem and the sub - system communication of intelligent control are connected, the intelligent control subsystem is connected with peak regulation subsystem and the sub - system communication of flywheel energy storage respectively, machinery peak regulation electrical system still includes the commutator system of stepping up that is connected with the intelligence control system communication. The utility model discloses an increase the commutator system of stepping up, for the dc -to -ac converter of peak regulation subsystem and the flywheel motor of flywheel energy storage subsystem provide DC power supply, the flywheel energy storage subsystem both can come the energy storage also can provide DC power supply through the commutator system of stepping up through peak regulation subsystem electricity generation feedback and come the energy storage. The energy storage is sufficient, matees suitably with diesel engine transmission system or natural mechanism of qi transmission system, and energy -conserving effect is obvious.
Description
Technical field
This utility model relates to a kind of intelligence control system that can eliminate impact load, is specifically related to a kind of machinery peak regulation electric-control system.
Background technology
Rig is requisite important wellbore construction equipment in oilfield explorating developing process, and in current domestic rig, machine dimensions drill occupies the biggest proportion, since country implements energy strategy, and the most important thing energy-conservation, efficient, environmental protection has become as oil rig operation.But, machine dimensions drill fluctuation of load in work progress is big, and drive system and diesel engine are formed bigger impact load, owing to the existence of this impact load creates problems with:
(1) during round trip, load can produce the biggest sudden change, in order to compensate instantaneous high load capacity in time and will not diesel engine stop, the configuration of unit engine power can be higher, so can waste idle power greatly.
(2) when load is undergone mutation, in order to ensure that output diesel engine there will be the insufficient over-emitting black exhaust situation of burning, diesel engine fuel oil efficiency is caused to reduce.
(3) due to the impact of sudden change load, the parts fatigue damage aggravation of diesel engine, affect diesel engine service life.
(4) use of the natural gas engine of energy-conserving and environment-protective is limited.
In order to overcome problem above, peak regulation control system and flywheel energy storage system can be increased in machine dimensions drill dynamical system, when drive system is in zero load or loads less situation, peak regulation motor generator operation under diesel engine unit drives is controlled by control system, there is provided electric energy to accumulator, accumulator store energy.When dynamical system has shock load, control peak regulation motor by control system and be switched to motoring, electric energy is exported by accumulator, regulate through control system, control peak regulation motor output power, undertake the impact of shock load, be gradually backed out after load stabilization, reach to stabilize load to the impact of electromotor in dynamical system, the guarantee steady Effec-tive Function of dynamical system.Test run result shows, engine load impact operating mode has obtained preferable improvement, but it is not enough to yet suffer from accumulator energy storage, the unconspicuous problem of energy-saving effect.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of energy utilization rate height, the novel mechanical peak regulation electric-control system of good energy-conserving effect.
Technical solution of the present utility model is: the mechanical peak regulation electric-control system provided, including data acquisition subsystem, Based Intelligent Control subsystem, peak regulation subsystem, flywheel energy storage subsystem；Described data acquisition subsystem is connected with Based Intelligent Control subsystem communication；Described Based Intelligent Control subsystem is connected with peak regulation subsystem and flywheel energy storage subsystem communication respectively；It is characterized in that described machinery peak regulation electric-control system also includes the boosting commutator system being connected with intelligence control system communication.Flywheel energy storage subsystem both can carry out energy storage by peak regulation subsystem generating feedback can also provide DC source to carry out energy storage by boosting commutator system, and energy-saving effect is obvious.
Above-mentioned boosting commutator system includes auxiliary generator, booster transformer and the commutator being sequentially connected with；Described commutator is connected with Based Intelligent Control subsystem, peak regulation subsystem and flywheel energy storage subsystem by dc bus.The low-voltage AC of auxiliary generator output is high voltage direct current by rectification after booster transformer and commutator, provides DC source for flywheel energy storage subsystem.
Above-mentioned boosting commutator system also includes the brake module being connected with dc bus, can effectively guarantee that DC bus-bar voltage is stable, prevents because of voltage other equipment of the highest damage or jeopardize personal security.
Above-mentioned machinery peak regulation electric-control system also includes the energy regenerating subsystem being connected with intelligence control system communication, described energy regenerating subsystem is connected with flywheel energy storage subsystem by dc bus, in tourist bus decentralization process, potential energy is converted into electric energy by energy regenerating motor, again by, in dc bus transmission to flywheel energy storage subsystem, improve the utilization rate of the energy.
It is connected by MODBUS protocol between above-mentioned data acquisition subsystem with Based Intelligent Control subsystem；Described Based Intelligent Control subsystem internal uses EPA；After described Based Intelligent Control subsystem connects a protocol converter, then it is connected with peak regulation subsystem, flywheel energy storage subsystem, boosting commutator system and energy regenerating subsystem communication by CANOPEN agreement.Topological expansion, eliminates because network transmits the time lag caused.
Above-mentioned data acquisition subsystem includes the information such as velocity sensor, pressure switch, weight transduser and encoder, picking rate signal, suspending weight signal, clutch signal.
Above-mentioned Based Intelligent Control subsystem includes host computer HMI, operating mode machine, system PLC and intelligent controller CPU, by calculating duty and the output accurately controlling peak regulation motor in real time.
Above-mentioned peak regulation subsystem includes peak regulation motor, reduction box and inverter；Described peak regulation motor passes through reduction box and is connected with also car transmission case, both can give as motor and car transmission case provides power, as electromotor, the kinetic energy of also car transmission case can be converted into electric energy again.
Above-mentioned flywheel energy storage subsystem includes fly-wheel motor and flywheel；Described fly-wheel motor is connected with inverter.Inverter is used for controlling fly-wheel motor.
Above-mentioned fly-wheel motor is magneto, and described flywheel is steel alloy flywheel；Magneto is connected with steel alloy flywheel by Permanent-magnet bearing, carries out electric energy and the storage of kinetic energy and conversion between fly-wheel motor and flywheel.
The utility model has the advantage of:
(1) system structure optimization: this utility model is by increasing boosting commutator system, thering is provided DC source for the inverter of peak regulation subsystem and the fly-wheel motor of flywheel energy storage subsystem, flywheel energy storage subsystem both can carry out energy storage by peak regulation subsystem generating feedback can also provide DC source to carry out energy storage by boosting commutator system.Energy storage is sufficient, mates properly with diesel engine drive system or natural gas machine drive system, and energy-saving effect is obvious.
(2) Topological expansion: be connected by MODBUS protocol between data acquisition subsystem of the present utility model with Based Intelligent Control subsystem；Based Intelligent Control subsystem internal uses EPA；After Based Intelligent Control subsystem connects a protocol converter, then it is connected with peak regulation subsystem, flywheel energy storage subsystem, boosting commutator system and energy regenerating subsystem communication by CANOPEN agreement.Can eliminate because network transmits the time lag caused, peak regulation system followability is strong, mends peak timely, can suppress the appearance of occasionality interference signal, strong interference immunity simultaneously.
(3) system algorithm optimization: this utility model uses system feedforward arithmetic, by actual suspending weight, pump carries and diesel engine rotary inertia is included in algorithm simultaneously, eliminate the sudden load change time difference to system response, peak regulation motor is made to put into operation in time, alleviate diesel engine power output, peak regulation power of motor the most finally cuts out, and diesel engine output slowly rises.
(4) system EMC optimizes design: this utility model optimizes system hardware, components and parts of making rational planning for are arranged and controls the cabling of cable, improve ground connection and shielding design, eliminates the data caused because of signal disturbing and calculates and inaccurate meet system EMC and require and core controller and parts do EMC test.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of this utility model preferred embodiment；
Fig. 2 is the use view of this utility model preferred embodiment.
Detailed description of the invention
Seeing Fig. 1, the system structure of this utility model preferred embodiment includes data acquisition subsystem, Based Intelligent Control subsystem, peak regulation subsystem, flywheel energy storage subsystem, boosting commutator system and energy regenerating subsystem.Data acquisition subsystem is connected by CANOPEN protocol with Based Intelligent Control subsystem, and Based Intelligent Control subsystem internal uses EPA.After Based Intelligent Control subsystem connects an Ethernet/CANOPEN protocol converter, then it is connected with peak regulation subsystem, flywheel energy storage subsystem, boosting commutator system and energy regenerating subsystem communication by CANOPEN agreement.
Seeing Fig. 2, this utility model provides a kind of control program eliminating the impact load that this operating mode is brought under drilling well makes a trip operating mode.By data acquisition subsystem, the load state of machine dimensions drill is acquired and analyzes, automatic decision drive system load condition.When drive system is in zero load or loads less situation, by Based Intelligent Control subsystem controls peak regulation motor generator operation under diesel engine unit drives, provide electric energy to accumulator, accumulator store energy.When dynamical system has shock load, control peak regulation motor by control system and be switched to motoring, electric energy is exported by accumulator, regulate through control system, control peak regulation motor output power, undertake the impact of shock load, be gradually backed out after load stabilization, reach to stabilize load to the impact of electromotor in dynamical system, the guarantee steady Effec-tive Function of dynamical system.
On this basis, this utility model adds boosting commutator system, the 400VAC of rig well site auxiliary generator output exchanges three line power supplys, 690VAC three-phase alternating-current supply is boosted to through 400VAC/690VAC booster transformer, it is 900VDC DC source by rectifier rectification again, inverter and fly wheel system for peak regulation subsystem provide DC source, and fly wheel system i.e. can carry out energy storage by peak regulation subsystem generating feedback can also provide DC source to carry out energy storage by boosting commutation system.On dc bus and be furnished with brakes, this system includes two groups of brake units, connects two groups of braking resistors respectively, single organize specified stalling current be 85A maximum stalling current be 300A, can effectively guarantee that DC bus-bar voltage is stable, prevent because of voltage other equipment of the highest damage or jeopardize personal security.Increase energy regenerating subsystem, in tourist bus decentralization process, by energy regenerating motor, potential energy is converted into electric energy to be passed on dc bus, make fly-wheel motor accelerate by flywheel inverter control memory cell, store the energy in flywheel accumulator, improve the utilization rate of the energy.
The master network of Based Intelligent Control subsystem is EPA, eliminate because network transmits the time lag caused, using Siemens S7_1200PLC as the webserver, rig floor district substation S7_smart200PLC, host computer HMI, CANOPEN/ Ethernet protocol transducer is net computer.Rig floor district substation S7_smart200PLC is used for gathering rig floor district measures of dispersion evidence and suspending weight signal, does preliminary data and processes.Host computer HMI sets for parameter, realtime curve, fault diagnosis.CANOPEN/ Ethernet protocol transducer is for by boosting commutator system, peak regulation subsystem, flywheel energy storage subsystem, the data packing of four subsystems of energy regenerating subsystem.In CANOPEN network, CANOPEN/ Ethernet protocol transducer is as network primary station, and boosting commutator system, peak regulation subsystem, flywheel energy storage subsystem, energy regenerating subsystem are as network slave station.In Mod-bus network, S7_1200PLC is as main website, and ICU200 is as network slave station.
System uses tertiary structure: direct control level, process control level, system administration level, data collecting system includes industrial computer, upper software, the next collecting device, sensor and Data Transport Protocol etc..Wherein industrial computer uses and grinds China's industrial computer, and upper software uses Siemens's monitoring software, sensor to include velocity sensor, weight transduser, pressure switch, encoder, and Data Transport Protocol uses standard ethernet communications protocol.
Intelligent controller CPU uses DSP control chip, has digital quantity input and output, analog input and output, 485 serial ports, and 24VDC powers.The data analysis that will collect, automatic decision now dynamical system is in light condition or impact load state.Meanwhile, controller can be calculated now should be exported moment of torsion by the mathematical model of control object, makes dynamical system reach flexible output running status.
Peak regulation motor, 600V rated DC, rated current 1138, rated power 1000kW, rated speed 799r/min, maximum speed 1198r/min.Dynamical system zero load or underloading when, can be as electromotor, when running into sudden change load, can be as motor.
The basic feature of flywheel accumulator, uses steel alloy flywheel, uses Permanent-magnet bearing, magneto, uses IGBT power model, high workload rotating speed 2700r/min.When dynamical system zero load or underloading, can accelerate to improve Speed of Reaction Wheels by magneto, be stored with the form of kinetic energy by electric energy, when dynamical system runs into and suddenlys change load, the kinetic energy of storage is exported in the way of electric energy by flywheel.
Claims (10)
1. a mechanical peak regulation electric-control system, including data acquisition subsystem, Based Intelligent Control subsystem, peak regulation
Subsystem, flywheel energy storage subsystem；Described data acquisition subsystem is connected with Based Intelligent Control subsystem communication；
Described Based Intelligent Control subsystem is connected with peak regulation subsystem and flywheel energy storage subsystem communication respectively；
It is characterized in that: described machinery peak regulation electric-control system also includes the liter being connected with intelligence control system communication
Pressure commutator system.
Machinery peak regulation electric-control system the most according to claim 1, it is characterised in that: described boosting rectification
Subsystem includes auxiliary generator, booster transformer and the commutator being sequentially connected with；Described commutator is by straight
Stream bus is connected with Based Intelligent Control subsystem, peak regulation subsystem and flywheel energy storage subsystem.
Machinery peak regulation electric-control system the most according to claim 1 and 2, it is characterised in that: described boosting
Commutator system also includes the brake module being connected with dc bus.
Machinery peak regulation electric-control system the most according to claim 3, it is characterised in that: described machinery peak regulation
Electric-control system also includes the energy regenerating subsystem being connected with intelligence control system communication, described energy regenerating
System is connected with flywheel energy storage subsystem by dc bus.
Machinery peak regulation electric-control system the most according to claim 4, it is characterised in that: described data acquisition
It is connected by MODBUS protocol between subsystem with Based Intelligent Control subsystem；Described Based Intelligent Control
Internal system uses EPA；After described Based Intelligent Control subsystem connects a protocol converter, then lead to
Cross CANOPEN agreement and peak regulation subsystem, flywheel energy storage subsystem, boosting commutator system and energy
Reclaim subsystem communication to connect.
Machinery peak regulation electric-control system the most according to claim 5, it is characterised in that: described data acquisition
Subsystem includes velocity sensor, pressure switch, weight transduser and encoder.
Machinery peak regulation electric-control system the most according to claim 6, it is characterised in that: described Based Intelligent Control
Subsystem includes host computer HMI, operating mode machine, system PLC and intelligent controller CPU.
Machinery peak regulation electric-control system the most according to claim 7, it is characterised in that: described peak regulation subsystem
System includes peak regulation motor, reduction box and inverter；Described peak regulation motor is by reduction box and also car transmission case phase
Even.
Machinery peak regulation electric-control system the most according to claim 8, it is characterised in that: described flywheel energy storage
Subsystem includes fly-wheel motor and flywheel；Described fly-wheel motor is connected with inverter.
Machinery peak regulation electric-control system the most according to claim 9, it is characterised in that: described flywheel electricity
Machine is magneto, and described flywheel is steel alloy flywheel；Magneto is by Permanent-magnet bearing and steel alloy flywheel
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180846.2U CN205540048U (en) | 2016-03-09 | 2016-03-09 | Machinery peak regulation electrical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180846.2U CN205540048U (en) | 2016-03-09 | 2016-03-09 | Machinery peak regulation electrical system |
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| CN205540048U true CN205540048U (en) | 2016-08-31 |
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| CN201620180846.2U Expired - Fee Related CN205540048U (en) | 2016-03-09 | 2016-03-09 | Machinery peak regulation electrical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863893A (en) * | 2017-04-17 | 2017-06-20 | 扬力集团股份有限公司 | A kind of hotdie forging press control system |
-
2016
- 2016-03-09 CN CN201620180846.2U patent/CN205540048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863893A (en) * | 2017-04-17 | 2017-06-20 | 扬力集团股份有限公司 | A kind of hotdie forging press control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20210309 |