CN103758504B - Direct-current drill rig electric control with the energy balance - Google Patents
Direct-current drill rig electric control with the energy balance Download PDFInfo
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- CN103758504B CN103758504B CN201410003568.9A CN201410003568A CN103758504B CN 103758504 B CN103758504 B CN 103758504B CN 201410003568 A CN201410003568 A CN 201410003568A CN 103758504 B CN103758504 B CN 103758504B
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- bus bar
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Abstract
The invention discloses the direct-current drill rig electric control of a kind of band energy balance, strong power part is: generating set is connected with alternating current bus bar by generating set grid-connection cabinet, alternating current bus bar is connected with reversible converter by transformator, and reversible converter is connected with automatic bit feed motor；Alternating current bus bar two is to drive converter by top to be connected with top-drive motor；Alternating current bus bar three is to be connected respectively with winch motor, slush pump motor and rotary tray motor by three set SCR arrangements for speed regulation；Alternating current bus bar four is to be connected with Reversible Rectifiers, and Reversible Rectifiers is simultaneously connected with accumulator, broken-circuit controller and power switching switch board simultaneously；Control part is: rig drives controlling organization respectively with two set SCR arrangements for speed regulation, converter is driven on top and reversible converter is connected；Energy regenerating controlling organization controls to be connected with generating set grid-connection cabinet, Reversible Rectifiers, accumulator, broken-circuit controller and power switching switch board.Assembly of the invention, it is achieved that energy regenerating and utilization.
Description
Technical field
The invention belongs to Electric Traction and electric and electronic technical field, relate to the direct current of a kind of band energy balance
Electric control system for drilling machine.
Background technology
The main equipment that rig is developed as deep stratum energy exploratioies such as oil, natural gas, geothermal energies, its
Drilling tool can be carried out raising and decentralizing repeatedly by work process, and when above putting forward process, rig must do work up to a hundred
Nearly 30 meters of the drilling tool lifting of ton, when declining process must by put forward the mechanical energy of conversion and discharge.At present
Direct current rig mainly realizes the slow of energy by following several ways and discharges: 1) brake is braked,
Direct is heat energy release by changes mechanical energy；2) it is electric energy by electromagnetic eddy current brake by changes mechanical energy,
Convert electrical energy into heat energy release again, strengthen water cooling plant cooling brake simultaneously.
Therefore, existing whole rig promotes and in decentralization process, rig work done is all by brake system
Dynamic or electricity heating mode forcible aborting falls, and causes the serious waste of the energy.Can be by according to set of device
Rig done work convert mechanical energy recycle and reuse, not only contribute to energy-saving and emission-reduction, be substantially reduced brill
Well cost, also is able to reduce the performance requirement to generating set simultaneously.
Summary of the invention
It is an object of the invention to provide the direct-current drill rig electric control of a kind of band energy balance, solve existing skill
The problem that in rig drive system under the conditions of art, energy dissipation is serious.
The technical solution used in the present invention is, the direct-current drill rig electric control of a kind of band energy balance, including
Strong power part and control part,
Strong power part structure is: generating set grid-connection cabinet one input is connected with generating set one, electromotor
Group grid-connection cabinet one outfan is connected with alternating current bus bar, and alternating current bus bar is provided with following four road connection lines,
Alternating current bus bar is leaded up to transformator and is connected with reversible converter, reversible converter again with automatic bit feed
Motor connects；
Alternating current bus bar two tunnel is driven converter with top and is connected, and top is driven converter and is connected with top-drive motor；
Alternating current bus bar three road is connected with many set SCR arrangements for speed regulation simultaneously respectively, often set SCR arrangements for speed regulation
It is connected with respective actuator respectively；
Alternating current bus bar four tunnel is connected with Reversible Rectifiers input, Reversible Rectifiers outfan respectively with accumulation of energy
Device, broken-circuit controller and power switching switch board are simultaneously connected with, and broken-circuit controller is connected with braking resistor again,
Power switching switch board is connected with winch motor again；
Controlling part-structure is: include that rig drives controlling organization, and rig drives controlling organization outfan to divide
Not being connected with each set SCR arrangements for speed regulation, rig drives controlling organization and top to drive converter and reversible frequency conversion
Device is connected by bus；The input/output terminal of energy regenerating controlling organization and multiple generating set grid-connection cabinets,
Reversible Rectifiers, accumulator, broken-circuit controller and power switching switch board control to connect.
The direct-current drill rig electric control of the band energy balance of the present invention, its feature also resides in:
Rig drives and carries out communication even by communication network between controlling organization and energy regenerating controlling organization
Connect.
The internal structure of accumulator is, including the shutdown control module being sequentially connected with, two-way DC/DC mould
Block and ultracapacitor module, shutdown control module, two-way DC/DC module and ultracapacitor module
It is connected with controller signals simultaneously.
The invention has the beneficial effects as follows, present system is promoted at current direct current electric drilling machine,
Generating set fuel oil consumption can be reduced, reduce drilling cost and the pollution to environment, it is achieved energy-saving and emission-reduction；
Can also improve the characteristics of output power of electric power system, running energy requirement is steady simultaneously, reduces rig
Performance requirement to generating set, beneficially natural gas unit application in borer system.
Accompanying drawing explanation
Fig. 1 is the overall structure block diagram of apparatus of the present invention；
Fig. 2 is the internal circuit block diagram of the accumulator in apparatus of the present invention.
In figure, 1. rig drives controlling organization, 2. generating set grid-connection cabinet one, 3. generating set one, 4.
Generating set two, 5. generating set grid-connection cabinet two, 6. generating set three, 7. generating set grid-connection cabinet three, 8.
Transformator, the most reversible converter, 10. automatic bit feed motor, 11. top-drive motors, 12. rotary tray motors, 13.
Slush pump motor two, 14. slush pump motors three, 15. slush pump motors one, 16. power switching switch boards,
17. winch motors, 18. braking resistors, 19. broken-circuit controllers, 20. accumulators, 21. energy regenerating control machine
Structure, 22. Reversible Rectifiers, 23.SCR arrangements for speed regulation one, 24.SCR arrangements for speed regulation two, 25.SCR adjusts
Speed variator three, 26.SCR arrangements for speed regulation four, 27.SCR arrangements for speed regulation five, 28. top drive converter, 29.
Controller, 30. ultracapacitor modules, 31. two-way DC/DC modules, 32. shutdown control module.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
The structure of apparatus of the present invention is to include strong power part and control part,
With reference to Fig. 1, solid line is connected as strong power part, and its structure is: generating set grid-connection cabinet 1 inputs
End is connected with generating set 1, and generating set grid-connection cabinet 1 outfan is directly connected to alternating current bus bar,
Alternating current bus bar is provided with following four road connection lines,
Alternating current bus bar is leaded up to transformator 8 and is connected with reversible converter 9, reversible converter 9 again with from
Move and send brill motor 10 to connect；
Alternating current bus bar two tunnel and top are driven converter 28 and are directly connected to, top drive converter 28 again with top-drive motor
11 connect；
Alternating current bus bar three road is connected with many set SCR arrangements for speed regulation simultaneously respectively, often set SCR arrangements for speed regulation
Be connected with respective actuator respectively, Fig. 1 embodiment be five set SCR arrangements for speed regulation (23,24,
25、26、27)；
Alternating current bus bar four tunnel is connected with Reversible Rectifiers 22 input, and Reversible Rectifiers 22 outfan is respectively
It is simultaneously connected with accumulator 20, broken-circuit controller 19 and power switching switch board 16, broken-circuit controller
19 are connected with braking resistor 18 again, and power switching switch board 16 is connected with winch motor 17 again.
The circuit structure of the embodiment of the present invention is, three groups of generating sets (generating set 1, generating sets
24, generating set 3 6) electric energy that sends enters into three groups of generating set grid-connection cabinets (generating set is also
Net cabinet 1, generating set grid-connection cabinet 25, generating set grid-connection cabinet 3 7), three groups of generating sets are grid-connected
Cabinet (2,5,7) is directly connected on alternating current bus bar, and alternating current bus bar is directly and converter 28, five is driven on top
Set SCR arrangements for speed regulation (i.e. SCR arrangements for speed regulation 1, SCR arrangements for speed regulation 2 24, SCR speed governing
Device 3 25, SCR arrangements for speed regulation 4 26, SCR arrangements for speed regulation 5 27) connect, SCR therein
Arrangements for speed regulation 1 are connected with winch motor 17 by power switching switch board 16, SCR arrangements for speed regulation
2 24 are connected with slush pump motor 1, SCR arrangements for speed regulation 3 25 and slush pump motor 3 14, SCR
Arrangements for speed regulation 4 26 are connected with slush pump motor 2 13, SCR arrangements for speed regulation 5 27 and rotary tray motor 12
Connecting, each motor driver directly connects with corresponding motor, powers for these driving means, additionally
Power for reversible converter 9 (MCC) and automatic bit feed Reversible Rectifiers 22 also by transformator 8.
Alternating current bus bar is connected with Reversible Rectifiers 22 input, and output is directly connected to accumulator 20 outfan, accumulation of energy
The outfan of device 20 receives braking resistor 18 by broken-circuit controller 19；The power switching control of winch motor
The output of the input side joint SCR arrangements for speed regulation 1 of cabinet 16 processed and the output of accumulator 20, outlet side
Connection winch motor 17.
With reference to Fig. 1, dotted line is connected as control part, and its structure is: include that rig drives controlling organization 1
(being abbreviated as DRCS), rig drives controlling organization 1 outfan respectively with each set SCR arrangements for speed regulation even
Connecing, rig drives controlling organization 1 to drive converter 28 with top and reversible converter 9 is connected by bus,
Carry out the two-way exchange of data, it is achieved Detection & Controling and data exchange are shared；Energy regenerating controls
The input/output terminal of mechanism 21 and multiple generating set grid-connection cabinets (2,5,7), Reversible Rectifiers 22,
Accumulator 20, broken-circuit controller 19 and power switching switch board 16 control to connect.
Rig is driven and is led to by communication network between controlling organization 1 and energy regenerating controlling organization 21
News connect, it is achieved Collaborative Control.
The circuit structure of the embodiment of the present invention is, rig drives controlling organization 1 to be connected respectively to SCR and adjusts
Converter 28 and the reversible converter of automatic bit feed 9 are driven in speed variator (23,24,25,26,27), top
Control input, control each drive system of rig；The control output of energy regenerating controlling organization 21
It is connected respectively to generating set grid-connection cabinet (2,5,7), accumulator 20, broken-circuit controller 19, reversible
The control input of commutator 22.
With reference to Fig. 2, the internal structure of accumulator 20 is, including the shutdown control module 32 being sequentially connected with,
Two-way DC/DC module 31 and ultracapacitor module 30, shutdown control module 32, two-way DC/DC
Module 31 and ultracapacitor module 30 are connected with controller 29 signal simultaneously.
Shutdown control module 32, two-way DC/DC module 31, ultracapacitor module 30, controller
29 have existing application model, but the model that different systems is selected has the biggest difference, such as capacity,
According to rig sample diversified in specifications, electric capacity module, chopper capacity, the capacity of two-way DC/DC all differs
Sample, specifications and models are also the most different；Controller 29 is the most concrete if selecting embedded control system
Model, with PLC or IPC realize, the specifications and models of the controller of different brands and performance are the most not
With, so concrete specifications and models can not be given at this.
Ultracapacitor has another name called farad capacitor or double layer capacitor, is that one carrys out energy storage by polarized electrolytic matter
Electrochemical element.
Outside forceful electric power enters into two-way DC/DC module 31 by shutdown control module 32 to carry out voltage and turns
Change, then output is to super capacitor module 30.The control output end of controller 29 respectively with ultracapacitor
The control end of module 30, two-way DC/DC module 31 and shutdown control module 32 connects.
The energy balance process of apparatus of the present invention is:
1), when promoting drilling tool process, energy regenerating controlling organization 21 is provided that by calculating accumulator 20
Power capability, preferentially allow accumulator 20 provide power, the power switching switch board 16 of winch is switched to
Accumulator 20 power supply state, energy regenerating controlling organization 21 reduces the defeated of generating set (3,4,6)
Go out power, reduce the purpose of energy consumption.Feed back to alternating current bus bar through Reversible Rectifiers 22 simultaneously,
For rig electricity consumption, prepare for accumulator 20 accumulation of energy next time.Broken-circuit controller 19 now is in non-work
Making state, shutdown control module 32 is in running order, and two-way DC/DC module 31 is in positive guide
Logical state, super capacitor module 30 outwards carries electric energy.If accumulator 20 outwards can not carry electric energy,
Energy regenerating controlling organization 21 improves the output of generating set (4,5,6), to meet rig need
Want.
2), during going down process, rig drives control control system 1 to control SCR arrangements for speed regulation 1, with
Time winch power switching switch board 16 control the magnet exciting coil that SCR is winch motor 17 and power, strand
The magnet exciting coil of vehicle motor 17 is switched to accumulator, monitors the power service condition of DC master row simultaneously,
Control Reversible Rectifiers 22 feedback power is to alternating current bus bar, if alternating current bus bar can not consume winch electricity completely
Power produced by machine 17, now opens accumulator 20, allows two-way DC/DC module 31 be in inversely
Conducting state, is stored in unnecessary energy in super capacitor module 30, if ultracapacitor module
The 30 the most stored power that completely can't consume winch motor 17 generation completely, then open broken-circuit controller
19 are discharged by braking resistor 18.
3) drill-through journey is sent: accumulator 20 allows two-way DC/DC module 31 be in forward conduction state, beats
Open shutdown control module 32, the electric energy in Reversible Rectifiers 22 feedback accumulator 20 to alternating current bus bar,
For rig electricity consumption, prepare for accumulator 20 accumulation of energy next time.
4) During Bit Automatic Feeding: automatic bit feed motor is constantly in generating state, drilling process often moves
Power demand is relatively big, is directly returned by the energy that automatic bit feed motor 10 produces now by reversible converter 9
It is fed to MCC alternating current bus bar consume for remaining equipment.
Reversible converter 9 supplies to MCC alternating current bus bar for the energy feedback produced by automatic bit feed motor
MCC system uses.
Power switching switch board 16 can control respectively the excitation of winch motor 17 and the power supply of armature winding and
Output, selects to connect SCR arrangements for speed regulation 1 or the outfan of accumulator 20, it is achieved different operating modes
Winch motor 17 be operated in different conditions.
Accumulator 20 is connected with Reversible Rectifiers 22 outfan, is received by broken-circuit controller 19 simultaneously
Braking resistor 18, can not only discharge electric energy by Reversible Rectifiers 22 to alternating current bus bar, simultaneously can be by
Unnecessary energy is discharged by braking resistor 18, it is ensured that security of system.
The direct-current drill rig electric control of the present invention, uses reversible converter 9 and Reversible Rectifiers in system
22, accumulator 21 and energy regenerating controlling organization 21, the energy that such automatic bit feed motor 10 produces can
With by reversible converter 24 feedback electric energy, the electric energy that winch motor 17 produces enters into accumulator storage,
Alternating current bus bar can be fed back to by Reversible Rectifiers 22 simultaneously and supply remaining power unit electricity consumption of rig, no
When can meet the energy requirement that winch motor 17 produces, it is also possible to discharged by braking resistor 18.Energy
Reclaim controlling organization 21 and realize recovery and the utilization of energy according to operating mode, energy-saving and emission-reduction can be reached, fall
Low generating set fuel oil consumes, and reduces drilling cost and the pollution to environment, can also improve power supply system simultaneously
The characteristics of output power of system, makes running energy requirement steady, reduces the rig performance to generating set
Requirement, beneficially natural gas unit application in borer system.
Claims (1)
1. the direct-current drill rig electric control of a band energy balance, it is characterised in that: include strong power part and
Control part,
Strong power part structure is: generating set grid-connection cabinet one (2) input is with generating set one (3) even
Connecing, generating set grid-connection cabinet one (2) outfan is connected with alternating current bus bar, and alternating current bus bar is provided with following
Four road connection lines,
Alternating current bus bar is leaded up to transformator (8) and is connected with reversible converter (9), reversible converter (9)
It is connected with automatic bit feed motor (10) again；
Alternating current bus bar two tunnel is driven converter (28) and is connected with top, and top is driven converter (28) and driven electricity with top again
Machine (11) connects；
Alternating current bus bar three road is connected with many set SCR arrangements for speed regulation simultaneously respectively, often set SCR arrangements for speed regulation
It is connected with respective actuator respectively；
Alternating current bus bar four tunnel is connected with Reversible Rectifiers (22) input, and Reversible Rectifiers (22) exports
End connects with accumulator (20), broken-circuit controller (19) and power switching switch board (16) respectively simultaneously
Connecing, broken-circuit controller (19) is connected with braking resistor (18) again, and power switching switch board (16) is again
It is connected with winch motor (17)；
Controlling part-structure is: including that rig drives controlling organization (1), rig drives controlling organization (1)
Outfan is connected with each set SCR arrangements for speed regulation respectively, and rig drives controlling organization (1) and top to drive frequency conversion
Device (28) and reversible converter (9) are connected by bus；Energy regenerating controlling organization (21) defeated
Enter/outfan and multiple generating set grid-connection cabinets, Reversible Rectifiers (22), accumulator (20), open circuit control
Device processed (19) and power switching switch board (16) control to connect；
Described rig drives between controlling organization (1) and energy regenerating controlling organization (21) by logical
News network carries out communication connection；
The internal structure of described accumulator (20) is, including the shutdown control module (32) being sequentially connected with,
Two-way DC/DC module (31) and ultracapacitor module (30), shutdown control module (32), double
Connect with controller (29) signal to DC/DC module (31) and ultracapacitor module (30) simultaneously
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410003568.9A CN103758504B (en) | 2014-01-03 | 2014-01-03 | Direct-current drill rig electric control with the energy balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410003568.9A CN103758504B (en) | 2014-01-03 | 2014-01-03 | Direct-current drill rig electric control with the energy balance |
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| Publication Number | Publication Date |
|---|---|
| CN103758504A CN103758504A (en) | 2014-04-30 |
| CN103758504B true CN103758504B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410003568.9A Active CN103758504B (en) | 2014-01-03 | 2014-01-03 | Direct-current drill rig electric control with the energy balance |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505950A (en) * | 2014-12-30 | 2015-04-08 | 西安宝德自动化股份有限公司 | Capacitive energy storage device for winch |
| CN105098811B (en) * | 2015-09-06 | 2019-08-23 | 冯利 | Drilling machine energy mix energy snubber balanced type micro-capacitance sensor |
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| CN103414253A (en) * | 2013-08-07 | 2013-11-27 | 天水电气传动研究所有限责任公司 | Recycling plant of petroleum electric drilling machine regenerative brake energy |
| CN203377683U (en) * | 2013-08-07 | 2014-01-01 | 天水电气传动研究所有限责任公司 | Recycling apparatus of oil-electric-drilling-machine regenerative braking energy |
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2014
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3894244A (en) * | 1973-10-03 | 1975-07-08 | Ross K Hill | Power limit and control system |
| CN2670593Y (en) * | 2003-12-15 | 2005-01-12 | 烟台大学 | Power recovering brake system of petroleum drilling machine |
| CN201344002Y (en) * | 2008-11-25 | 2009-11-11 | 烟台大学 | Energy-recycling electrically driven drilling rig |
| CN201730565U (en) * | 2010-04-07 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Energy recycling device for petroleum drilling machine |
| CN202138972U (en) * | 2011-05-27 | 2012-02-08 | 中国石油化工股份有限公司 | Mechanical drilling rig winch brake energy recovering and recycling device |
| CN202374052U (en) * | 2011-12-19 | 2012-08-08 | 西安宝德自动化股份有限公司 | Alternating current motor energy storage device for winch |
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Effective date of registration: 20210106 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |