CN102230467A - Speed regulator and speed regulating method for emulsion pump station on coal face - Google Patents
Speed regulator and speed regulating method for emulsion pump station on coal face Download PDFInfo
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- CN102230467A CN102230467A CN2011101693738A CN201110169373A CN102230467A CN 102230467 A CN102230467 A CN 102230467A CN 2011101693738 A CN2011101693738 A CN 2011101693738A CN 201110169373 A CN201110169373 A CN 201110169373A CN 102230467 A CN102230467 A CN 102230467A
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Abstract
The invention discloses a speed regulator for an emulsion pump station on a coal face. The speed regulator comprises a speed sensor for acquiring the actual rotating speed of an emulsion pump, a pressure sensor for acquiring the output pressure of the emulsion pump, a controller for receiving signals from the speed sensor and the pressure sensor, comparing the signals with a set pressure value in the controller and outputting a speed regulation control signal, and a permanent magnet speed regulator which changes the size of the air gap of the permanent speed regulator according to the speed regulation control signal provided by the controller so as to regulate the rotating speed of the emulsion pump and further regulate the liquid supply pressure of a liquid supply pump station.
Description
Technical field
Coal mine fully-mechanized mining working power equipment of the present invention is specifically related to a kind of speed regulator and speed regulating method of coal-face emulsion power pack.
Background technique
In the coal mine fully-mechanized mining working power equipment, the feed flow pumping plant is indispensable equipment, and this feed flow pumping plant comprises emulsion power pack and spraying pumping plant, and emulsion power pack is used for carrying constant voltage liquid to the hydraulic support of fully mechanized mining face or hydraulic prop; The atomizing pump station owner will be used to working surface that cooling water is provided and the dirt water that goes out, and also is the power source of high-pressure water shot flow device simultaneously.
The hydraulic support in colliery plays an important role in guaranteeing operator safety, working surface reliable operation.The emulsion power pack system is the equipment that constant voltage liquid is provided for hydraulic support.Construction along with coal in China industry modernization mining area, high-yield and high-efficiency is combined to adopt and is developed rapidly, it is more and more to produce the large-scale fully mechanized mining face of raw coal more than 6,000,000 tons per year, face length surpasses 300m, support height has surpassed 7m, the bracket upright post diameter has surpassed 500mm, and coal winning machine coal cutting speed surpasses 20m/min.The high-yield and high-efficiency of mine requires the support speed of hydraulic support, support capacity to satisfy the demands, and is as the pumping station system of the heart of the power source of support hydraulic system, fully mechanized mining face hydraulic system, particularly important.At present, the construction in modernized mining area, the emulsion power pack system of high-yield and high-efficiency fully mechanized mining face generally selects import equipment for use.
In above-mentioned import equipment, what pumping plant adopted is that Frequency Converter Control realizes constant-pressure liquid supply, adopts Frequency Converter Control to have following shortcoming:
1, the harmonic pollution electrical network that produces of frequency variator is serious to the electromagnetic interference of other electronic equipments, the operation that has a strong impact on surrounding devices with communicate by letter;
2, transducer power element power consumption is big, and heating is serious, needs special refrigeration facility;
3, motor is connected by coupling firmly with pump, and required precision is higher, the installation and maintenance inconvenience;
4, frequency variator requires harsh to Environmental Conditions;
5, the frequency variator volume is big, wasting space;
Realize many shortcomings that constant-pressure liquid supply exists for above-mentioned with Frequency Converter Control, the present invention will propose the control mode of following feed flow pumping plant.
Summary of the invention
At above-mentioned technical problem, the object of the present invention is to provide a kind of speed regulator and speed regulating method of coal-face emulsion power pack, the present invention makes the hydraulic oil that flows out from the emulsion pump output terminal have constant compression force by regulating the rotating speed of emulsion pump.
The technological scheme that realizes the object of the invention is as follows:
The speed regulator of coal-face emulsion power pack is characterized in that, comprises velocity transducer, and this velocity transducer is used to gather the actual speed of emulsion pump; And
Pressure transducer, this pressure transducer is used to gather the delivery pressure of emulsion power pack; And
Controller, this controller receives the signal that comes from velocity transducer and pressure transducer, and the force value of setting in the to-controller compares back output speed regulating control signal; And
The speed regulating control signal that permanent-magnet speed governor, this permanent-magnet speed governor provide according to controller is realized the adjusting to the emulsion pump rotating speed to change its size of gaps, and then realizes regulating the liquid supply pressure of feed flow pumping plant.
The speed regulating method of coal-face feed flow pumping plant may further comprise the steps:
Step 1, by the actual speed of velocity transducer collection emulsion pump, and the delivery pressure of gathering emulsion power pack by pressure transducer;
Step 2, controller receives the signal that comes from velocity transducer and pressure transducer, this signal is calculated back velocity amplitude and the force value built-in with it to be compared, when if the checkout value of speed and/or pressure equals setting value, controller output signal makes air gap actuator keep current state, when if the checkout value of speed and/or pressure is greater than or less than setting value, controller output speed regulating control signal is to permanent-magnet speed governor, move the air-gap separation that changes permanent-magnet speed governor to drive air gap actuator, realization is to the adjusting of emulsion pump rotating speed, and then the liquid supply pressure of feed flow pumping plant is regulated in realization.
Adopted such scheme, pumping station system uses controller that permanent-magnet speed governor is controlled, and realizes not needing a close adjustment by the torque transfer of motor to load by the air gap between copper conductor and the permanent magnet, and is easy for installation; Realize the no hardware mechanical linkages of motor, greatly reduce mechanical vibration and noise to load; By rotational speed regulation, reach the purpose of constant-pressure variable feed flow to load.The present invention has the following advantages:
(1) by controller permanent-magnet speed governor is controlled, make the rotating speed of emulsion pump reach steady state value, satisfy the different flow demand of coal-face hydraulic support, realize constant-pressure liquid supply, reduce mechanical shock, improve the operating conditions of pump, valve, filter, accumulator, slow down the wearing and tearing of associated components.The energy loss of reduction system is saved electric energy.Make the pumping station system operation more steady, energy-efficient;
(2) by PLC and concentration sensor and corresponding executive component, realize automatic preparation, concentration on-line monitoring, demonstration and the information transmission of emulsified liquid, reach the automatic monitoring of concentration of emulsion used;
(3) pumping station system has two kinds of mode of operations of auto-manual, adopts primary and secondary, treats, is equipped with marshalling control, improves pump group utilization ratio, prolongs pumping plant working life;
(4) the present invention has a lot of advantages for the complicated Environmental Conditions in colliery, can simplify loaded down with trivial details installation, calibration link.Substituting traditional frequency control of motor speed with permanent magnetic speed-adjusting also is the once innovation of speed adjusting technique, helps the safe and stable operation in colliery, energy-efficient production.
Description of drawings
Fig. 1 is system architecture figure of the present invention;
Fig. 2 is control principle figure of the present invention;
Fig. 3 is annexation schematic representation permanent-magnet speed governor and controller and emulsion pump;
In the accompanying drawing, 10 is velocity transducer, and 20 is pressure transducer, and 30 is controller, and 40 is permanent-magnet speed governor, and 41 is p-m rotor, and 42 is the magnetic conduction rotor, and 43 is air gap actuator, and 50 are the liquid collecting piece.
Embodiment
With reference to Fig. 1, permanent-magnet speed governor is connected between motor and the emulsion pump, change by the rotating speed of permanent-magnet speed governor motor output, rotating speed after changing again is transported to emulsion pump, make the rotating speed and the rotating speed of motor and inconsistent of emulsion pump, but the rotating speed of emulsion pump reaches constant state, thereby the pressure of the pressure oil of its output also is steady state value.
With reference to Fig. 2 and Fig. 3, the speed regulator of coal-face emulsion power pack of the present invention comprises velocity transducer 10, and this velocity transducer is used to gather the actual speed of emulsion pump.And pressure transducer 20, this pressure transducer is used to gather the delivery pressure of emulsion power pack.And controller 30, this controller receives the signal that comes from velocity transducer and pressure transducer, and the force value of setting in the to-controller compares back output speed regulating control signal, and described controller 30 is the PID controller.And permanent-magnet speed governor 40, the speed regulating control signal that this permanent-magnet speed governor provides according to controller is realized the adjusting to the emulsion pump rotating speed to change its size of gaps, and then realizes regulating the liquid supply pressure of feed flow pumping plant.Described permanent-magnet speed governor comprises p-m rotor 41, magnetic conduction rotor 42, is used to regulate the air gap actuator 43 of air gap between p-m rotor and the magnetic conduction rotor.And a liquid collecting piece 50 that is connected in the emulsion power pack output terminal, this liquid collecting piece will come from the pressure oil of emulsion power pack and concentrate unification to be divided into the output of two ground.
The speed regulating method of coal-face feed flow pumping plant of the present invention may further comprise the steps:
Step 1, by the actual speed of velocity transducer collection emulsion pump, and the delivery pressure of gathering emulsion power pack by pressure transducer;
Step 2, controller receives the signal that comes from velocity transducer and pressure transducer, this signal is calculated back velocity amplitude and the force value built-in with it to be compared, when if the checkout value of speed and/or pressure equals setting value, controller output signal makes air gap actuator keep current state, when if the checkout value of speed and/or pressure is greater than or less than setting value, controller output 4-20mA analogue signal is to permanent-magnet speed governor, move the air-gap separation that changes permanent-magnet speed governor to drive air gap actuator, realization is to the adjusting of emulsion pump rotating speed, and then the liquid supply pressure of feed flow pumping plant is regulated in realization.
Claims (5)
1. the speed regulator of coal-face emulsion power pack is characterized in that, comprises velocity transducer, and this velocity transducer is used to gather the actual speed of emulsion pump; And
Pressure transducer, this pressure transducer is used to gather the delivery pressure of emulsion pump; And
Controller, this controller receives the signal that comes from velocity transducer and pressure transducer, and the force value of setting in the to-controller compares back output speed regulating control signal; And
The speed regulating control signal that permanent-magnet speed governor, this permanent-magnet speed governor provide according to controller is realized the adjusting to the emulsion pump rotating speed to change its size of gaps, and then realizes regulating the liquid supply pressure of feed flow pumping plant.
2. the speed regulator of coal-face emulsion power pack according to claim 1 is characterized in that, also comprises a liquid collecting piece that is connected in the emulsion power pack output terminal, and this liquid collecting piece will come from the pressure oil of emulsion power pack and concentrate unification to be divided into the output of two ground.
3. the speed regulator of coal-face emulsion power pack according to claim 1, it is characterized in that described permanent-magnet speed governor comprises p-m rotor, magnetic conduction rotor airgap actuator, the air gap actuator that is used to regulate air gap between p-m rotor and the magnetic conduction rotor.
4. the speed regulator of coal-face emulsion power pack according to claim 1 is characterized in that, described controller is the PID controller.
5. the speed regulating method of a coal-face feed flow pumping plant is characterized in that, may further comprise the steps:
Step 1, by the actual speed of velocity transducer collection emulsion pump, and the delivery pressure of gathering emulsion power pack by pressure transducer;
Step 2, controller receives the signal that comes from velocity transducer and pressure transducer, this signal is calculated back velocity amplitude and the force value built-in with it to be compared, when if the checkout value of speed and/or pressure equals setting value, controller output signal makes air gap actuator keep current state, when if the checkout value of speed and/or pressure is greater than or less than setting value, controller output speed regulating control signal is to permanent-magnet speed governor, move the air-gap separation that changes permanent-magnet speed governor to drive air gap actuator, realization is to the adjusting of emulsion pump rotating speed, and then the liquid supply pressure of feed flow pumping plant is regulated in realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101693738A CN102230467A (en) | 2011-06-22 | 2011-06-22 | Speed regulator and speed regulating method for emulsion pump station on coal face |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101693738A CN102230467A (en) | 2011-06-22 | 2011-06-22 | Speed regulator and speed regulating method for emulsion pump station on coal face |
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| CN102230467A true CN102230467A (en) | 2011-11-02 |
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| CN2011101693738A Pending CN102230467A (en) | 2011-06-22 | 2011-06-22 | Speed regulator and speed regulating method for emulsion pump station on coal face |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444599A (en) * | 2016-08-30 | 2017-02-22 | 东方永传节能科技（北京）有限公司 | Permanent magnet speed regulator running monitoring method and system |
| CN107313913A (en) * | 2017-08-08 | 2017-11-03 | 贵州盘江矿山机械有限公司 | A kind of mining energy-saving emulsion power pack and its control method |
| CN109270966A (en) * | 2018-08-31 | 2019-01-25 | 沈阳丁通用科技研究院 | Energy-saving permanent-magnet speed-regulating system and method |
| CN110778550A (en) * | 2019-11-29 | 2020-02-11 | 山西潞安集团余吾煤业有限责任公司 | Emulsion hydraulic system of coal mining machine |
| CN112432057A (en) * | 2020-10-29 | 2021-03-02 | 上海五航航空技术有限公司 | Remote liquid supply system for fully mechanized coal mining face of coal mine |
| CN113566102A (en) * | 2021-07-29 | 2021-10-29 | 徐州徐工基础工程机械有限公司 | Rotary joint active sealing forced lubrication system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004108292A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Home & Life Solutions Inc | Pump control method |
| JP2008274761A (en) * | 2007-04-25 | 2008-11-13 | Hitachi Ltd | Pump control device, pump control method, and pump control program |
| CN201187314Y (en) * | 2008-04-29 | 2009-01-28 | 广州川齐自动化系统集成有限公司 | Centralized liquid-feeding apparatus of mine hydraulic prop |
| CN201650697U (en) * | 2010-04-21 | 2010-11-24 | 河南省煤层气开发利用有限公司 | Underground fracturing pump set of remote-control coal mine |
| CN201705638U (en) * | 2010-03-04 | 2011-01-12 | 公安部上海消防研究所 | Fire fighting pump constant-pressure speed regulating control device for fire fighting truck |
| CN202140290U (en) * | 2011-06-22 | 2012-02-08 | 常州联力自动化科技有限公司 | Speed regulation device of coal mining working surface emulsion pumping station |
-
2011
- 2011-06-22 CN CN2011101693738A patent/CN102230467A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004108292A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Home & Life Solutions Inc | Pump control method |
| JP2008274761A (en) * | 2007-04-25 | 2008-11-13 | Hitachi Ltd | Pump control device, pump control method, and pump control program |
| CN201187314Y (en) * | 2008-04-29 | 2009-01-28 | 广州川齐自动化系统集成有限公司 | Centralized liquid-feeding apparatus of mine hydraulic prop |
| CN201705638U (en) * | 2010-03-04 | 2011-01-12 | 公安部上海消防研究所 | Fire fighting pump constant-pressure speed regulating control device for fire fighting truck |
| CN201650697U (en) * | 2010-04-21 | 2010-11-24 | 河南省煤层气开发利用有限公司 | Underground fracturing pump set of remote-control coal mine |
| CN202140290U (en) * | 2011-06-22 | 2012-02-08 | 常州联力自动化科技有限公司 | Speed regulation device of coal mining working surface emulsion pumping station |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444599A (en) * | 2016-08-30 | 2017-02-22 | 东方永传节能科技（北京）有限公司 | Permanent magnet speed regulator running monitoring method and system |
| CN107313913A (en) * | 2017-08-08 | 2017-11-03 | 贵州盘江矿山机械有限公司 | A kind of mining energy-saving emulsion power pack and its control method |
| CN109270966A (en) * | 2018-08-31 | 2019-01-25 | 沈阳丁通用科技研究院 | Energy-saving permanent-magnet speed-regulating system and method |
| CN109270966B (en) * | 2018-08-31 | 2021-12-10 | 沈阳一丁通用科技研究院 | Energy-saving permanent magnet speed regulation system and method |
| CN110778550A (en) * | 2019-11-29 | 2020-02-11 | 山西潞安集团余吾煤业有限责任公司 | Emulsion hydraulic system of coal mining machine |
| CN112432057A (en) * | 2020-10-29 | 2021-03-02 | 上海五航航空技术有限公司 | Remote liquid supply system for fully mechanized coal mining face of coal mine |
| CN113566102A (en) * | 2021-07-29 | 2021-10-29 | 徐州徐工基础工程机械有限公司 | Rotary joint active sealing forced lubrication system |
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Application publication date: 20111102 |