CN202545207U - Intelligent variable-frequency control fracturing pump set - Google Patents
Intelligent variable-frequency control fracturing pump set Download PDFInfo
- Publication number
- CN202545207U CN202545207U CN2012201371289U CN201220137128U CN202545207U CN 202545207 U CN202545207 U CN 202545207U CN 2012201371289 U CN2012201371289 U CN 2012201371289U CN 201220137128 U CN201220137128 U CN 201220137128U CN 202545207 U CN202545207 U CN 202545207U
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Abstract
The utility model relates to an intelligent variable-frequency control fracturing pump set which comprises a plunger pump, a variable-frequency motor driving the plunger pump to act, a variable-frequency control system for controlling the rotational speed of the variable-frequency motor, a PLC (programmable logic controller) and an industrial personal computer system, an injection liquid output pipeline provided with a flow sensor and an output liquid pressure sensor are communicated on a liquid output port of the plunger pump, the PLC has a signal input end and a signal output end, the signal input end of the PLC is in sampling connection with a signal output end of the flow sensor and a signal output end of the output liquid pressure sensor, the signal output end of the PLC is in control connection with an input end of the variable-frequency control system, and the industrial personal computer system is in communicated connection with the PLC and controls the variable-frequency control system according to sampling results of the PLC. Convenience in control of the variable-frequency control system is achieved by the aid of the industrial personal computer system capable of achieving short-distance and long-distance control.
Description
Technical field
The utility model relates to a kind of intelligent frequency-conversion control fracturing pump group.
Background technique
At present, in the coal-bed gas exploitation process, need in the pressure break hole, inject the not strong liquid of various corrosivity,, be used to carry out operations such as slip casting, sandblast, perforation, pipeline pressure testing, water blockoff, pressure break like clear water, mortar, water-soluble mixing material etc.When in the pressure break hole, injecting liquid, need use the fracturing pump group to carry out operation; Existing fracturing pump group such as Chinese patent 2010202886029 disclosed a kind of " full-automatic frequency conversion control colliery underground fracture pump group "; This fracturing pump group comprises frame; The plunger pump that flame-proof converter motor and the clutch end through driving mechanism and flame-proof converter motor are in transmission connection is installed on frame, and flame-proof converter motor and driving mechanism have constituted the motor-driven mechanism that the drive plunger pump moves.The fracturing pump group also comprises frequency-changing control system and the parenteral solution output pipe that is communicated with the liquid outlet of plunger pump; Frequency-changing control system comprises that control circuit reaches the frequency variator by the control circuit control connection; Be provided with the flow transducer and the pressure transducer that are used for detecting parenteral solution output pipe fluid flow and pressure and are connected with the signal input part of control circuit in the parenteral solution output pipe, the signal output part of frequency variator is connected with the flame-proof converter Electric Machine Control.
Flow transducer and pressure transducer be in the measured feedback signal input control circuit during work, according to feedback signal the output speed of flame-proof converter motor carried out electrodeless adjusting by frequency variator again, and then the fluid flow in the control parenteral solution output pipe.The problem that existing fracturing pump group exists is: frequency variator is generally positioned at the open air; Operator can only realize the control to frequency variator through outdoor manually-operable; Labor intensity of operating personnel is bigger, and runs into special weathers such as rain, snow, controlling of frequency variator is seemed special bother; Each parts that constitutes the fracturing pump group simultaneously all are arranged on the frame, and the Heavy Weight and the occupation space of whole frame are bigger, in unusual inconvenience during transportation toward work-yard such as down-hole.
Summary of the invention
The intelligent frequency-conversion control fracturing pump group that the purpose of the utility model is to provide a kind of frequency variator conveniently to control.
In order to address the above problem, the technological scheme of the utility model is:
Intelligent frequency-conversion control fracturing pump group; Comprise plunger pump and drive the variable-frequency motor that said plunger pump moves; Be communicated with the parenteral solution output pipe that flow transducer and output hydraulic coupling sensor are installed on the liquid outlet of said plunger pump; Described fracturing pump group also comprises the frequency-changing control system of controlling said variable-frequency motor rotating speed; Described fracturing pump group also comprises the PLC controller with signal input, output terminal; The signal input part of said PLC controller and said flow transducer are connected with the signal output part sampling of output hydraulic coupling sensor, and the input end control connection of said PLC controller signals output terminal and said frequency-changing control system, described fracturing pump group also comprise the industrial computer system of communicating by letter and being connected and said frequency-changing control system being controlled according to the sampled result of said PLC controller with said PLC controller.
Described industrial computer system comprises the on-the-spot process control machine and the long-range process control machine that links to each other with said PLC controller through Ethernet at the scene of being arranged at.
Described variable-frequency motor is in transmission connection through driving mechanism and described plunger pump; Described driving mechanism comprises the speed reducer that the clutch end through first coupling and said variable-frequency motor is in transmission connection; The output terminal of said speed reducer is in transmission connection through the input end of second coupling and described plunger pump; Described fracturing pump group also comprises motor cabinet, reducer pedestal and the plunger pump seat that is respectively applied for said variable-frequency motor, speed reducer and plunger pump and installs and fixes; Described motor cabinet and described reducer pedestal are through first bolt, the releasable connection of nut linkage structure, and described reducer pedestal and plunger pump seat are through second bolt, the releasable connection of nut linkage structure.
Described variable-frequency motor is provided with and is respectively applied for motor temperature sensor and the speed probe that detects said variable-frequency motor temperature and rotating speed, and the signal output part of said motor temperature sensor and speed probe is connected with the sampling of the signal input part of said PLC controller.
Described fracturing pump group also comprises and is used for the lubrication system that the piston to said plunger pump is lubricated; Described plunger pump is provided with lubricant pressure sensor and the lubricating oil temperature sensor that is respectively applied for the pressure and temperature that detects associated lubrication oil, and the signal output part of said lubricant pressure sensor and lubricating oil temperature sensor is connected with the sampling of the signal input part of said PLC controller.
Described variable-frequency motor is the flame-proof converter motor.
The beneficial effect of the utility model is: because the process control machine volume is little, in light weight and easy to carry; Can place environment in stable room process control machine; The feedback of flow transducer and pressure transducer shows on process control machine; Process control machine is through the output speed of PLC controller and frequency-changing control system control variable-frequency motor, to change the fluid flow in the liquid output pipe road.Operator only need operate process control machine just can realize that labor intensity is lower to the control of fluid flow in the liquid output pipe road, and the while can not receive the influence of outside rugged environment and realize the control to frequency variator easily.
Further; Through motor, speed reducer and plunger pump being installed in respectively on relatively independent motor cabinet, reducer pedestal and the plunger pump seat; Motor, speed reducer and plunger pump three parts separate modular designs, when transport in different operating places such as down-hole, the transportation process safe ready; When being transported to the work-yard, assembled on site is very convenient again.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the plan view of Fig. 1.
Embodiment
The embodiment of intelligent frequency-conversion control fracturing pump group is shown in Fig. 1 ~ 2: comprise motor cabinet 14, the reducer pedestal 12 through first bolt, nut linkage structure and motor cabinet 14 releasable connections and pass through the plunger pump seat 11 of second bolt, nut linkage structure and reducer pedestal 12 releasable connections; Be installed with flame-proof converter motor 10 on the motor cabinet 14; Be installed with speed reducer 8 on the reducer pedestal 12, be installed with plunger pump 6 on the plunger pump seat 11.The clutch end of flame-proof converter motor 10 is in transmission connection through the input end of first coupling 9 with speed reducer 8, and the output terminal of speed reducer 8 is in transmission connection with plunger pump 6 through second coupling 7.Be communicated with parenteral solution output pipe 2 on the liquid outlet of plunger pump 6; On parenteral solution output pipe 2, be provided with and be used for detecting the flow of parenteral solution output pipe 2 liquid and the flow transducer 20 and output hydraulic coupling sensor 21 of pressure; The fracturing pump group also comprises PLC controller 19 and the industrial computer system that is connected with 19 communications of PLC controller; Industrial computer system comprises the on-the-spot process control machine 17-1 and the long-range process control machine 17-2 that links to each other with the PLC controller through Ethernet 18 at the scene of being arranged at, and each process control machine in the industrial computer system can be controlled frequency-changing control system 16 according to the sampled result of PLC controller.The signal output part of flow transducer 20 and output hydraulic coupling sensor 21 all is connected with the signal input part sampling of PLC controller 19; The signal output part of PLC controller 19 and frequency-changing control system 16 control connections, frequency-changing control system 16 is connected with the flame-proof converter Electric Machine Control.The fracturing pump group also comprises and is used for the lubrication system 13 that the piston to plunger pump 6 is lubricated; Plunger pump 6 is provided with lubricant pressure sensor 22 and the lubricating oil temperature sensor that is respectively applied for the pressure and temperature that detects associated lubrication oil; Also be provided with the pressure alarm protecting apparatus 23 that overflows on the plunger pump 6, the overflow signal output part of alarm protecting apparatus 23 of lubricant pressure sensor 22, lubricating oil temperature sensor and pressure is connected with the signal input part sampling of PLC controller.Flame-proof converter motor 10 is provided with and is respectively applied for the motor temperature sensor 25 and speed probe 24 that detects flame-proof converter motor 10 temperature and rotating speed, and the signal output part of motor temperature sensor 25 and speed probe 24 is connected with the sampling of the signal input part of PLC controller 19.A, B, C, D, E, F and G represent to be used to export the overflow signal incoming end of alarm protecting apparatus 23, speed probe 24 and motor temperature sensor 25 of hydraulic coupling sensor 21, flow transducer 20, lubricant pressure sensor 22, lubricating oil temperature sensor, pressure respectively among the figure, and H representes the end that picks out that links to each other with frequency-changing control system 16; The liquid outlet of part 5 expression plunger pumps 6 among the figure; Part 4 expression Decompression valvess; Part 1 expression pressure gauge; Part 26 expression is used for cooling water tank that lubrication system 13 is cooled off.
During use, place condition aboveground process control machine 17 and frequency-changing control system, flame-proof converter motor 10, speed reducer 8 and plunger pump 6 are placed the down-hole; The feedback signal of flow transducer 3 and pressure transducer 1 shows on the on-the-spot process control machine 17-1 of industrial computer system and long-range process control machine 17-2; The corresponding process control machine of manual operation, process control machine is through PLC controller 19 control frequency convertor systems 16, and frequency converter controller system 16 exports control signals according to the real-time working condition signal of input to anti-explosion motor 10; Change flame-proof converter motor 10 rotating speeds; Make the output speed of flame-proof converter motor 10 satisfy working condition requirement, if do not satisfy, the feedback signal that newly collects through flow transducer 3 and pressure transducer 1; Readjust the rotating speed of flame-proof converter motor 10, satisfy the actual requirement of operating mode until flame-proof converter motor 10.
Present embodiment is usually used in down-hole coal bed air to open and adopts middle pressing crack construction, coal mine underground coal bed water filling.On-the-spot process control machine 17-1 carries out the scene and controls; Long-range process control machine 17-2 carries out remote control; Certainly in other embodiment of the utility model, when the flame-proof converter motor was common variable-frequency motor, this intelligent frequency-conversion control fracturing pump group also can be used for industrial mesohigh field of washing; Its automatic frequency-conversion control system is safe and reliable, and the electrodeless adjusting of required cleaning solution flow pressure can realize high-pressure wash the time; On-the-spot process control machine and long-range process control machine can also have only one; Certainly motor cabinet, reducer pedestal and plunger pump seat can also be wholely set.
Claims (6)
1. intelligent frequency-conversion is controlled the fracturing pump group; Comprise plunger pump and drive the variable-frequency motor that said plunger pump moves; Be communicated with the parenteral solution output pipe that flow transducer and output hydraulic coupling sensor are installed on the liquid outlet of said plunger pump; Described fracturing pump group also comprises the frequency-changing control system of controlling said variable-frequency motor rotating speed; It is characterized in that: described fracturing pump group also comprises the PLC controller with signal input, output terminal; The signal input part of said PLC controller is connected with the signal output part sampling of said flow transducer with output hydraulic coupling sensor; The input end control connection of said PLC controller signals output terminal and said frequency-changing control system, described fracturing pump group also comprise the industrial computer system of communicating by letter and being connected and said frequency-changing control system being controlled according to the sampled result of said PLC controller with said PLC controller.
2. fracturing pump group according to claim 1 is characterized in that: described industrial computer system comprises the on-the-spot process control machine and the long-range process control machine that links to each other with said PLC controller through Ethernet at the scene of being arranged at.
3. fracturing pump group according to claim 1; It is characterized in that: described variable-frequency motor is in transmission connection through driving mechanism and described plunger pump; Described driving mechanism comprises the speed reducer that the clutch end through first coupling and said variable-frequency motor is in transmission connection; The output terminal of said speed reducer is in transmission connection through the input end of second coupling and described plunger pump; Described fracturing pump group also comprises motor cabinet, reducer pedestal and the plunger pump seat that is respectively applied for said variable-frequency motor, speed reducer and plunger pump and installs and fixes; Described motor cabinet and described reducer pedestal are through first bolt, the releasable connection of nut linkage structure, and described reducer pedestal and plunger pump seat are through second bolt, the releasable connection of nut linkage structure.
4. fracturing pump group according to claim 1; It is characterized in that: described variable-frequency motor is provided with and is respectively applied for motor temperature sensor and the speed probe that detects said variable-frequency motor temperature and rotating speed, and the signal output part of said motor temperature sensor and speed probe is connected with the sampling of the signal input part of said PLC controller.
5. fracturing pump group according to claim 1; It is characterized in that: described fracturing pump group also comprises and is used for the lubrication system that the piston to said plunger pump is lubricated; Described plunger pump is provided with lubricant pressure sensor and the lubricating oil temperature sensor that is respectively applied for the pressure and temperature that detects associated lubrication oil, and the signal output part of said lubricant pressure sensor and lubricating oil temperature sensor is connected with the sampling of the signal input part of said PLC controller.
6. according to any described fracturing pump group of claim 1 ~ 5, it is characterized in that: described variable-frequency motor is the flame-proof converter motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201371289U CN202545207U (en) | 2012-04-01 | 2012-04-01 | Intelligent variable-frequency control fracturing pump set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201371289U CN202545207U (en) | 2012-04-01 | 2012-04-01 | Intelligent variable-frequency control fracturing pump set |
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| CN202545207U true CN202545207U (en) | 2012-11-21 |
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| CN2012201371289U Expired - Fee Related CN202545207U (en) | 2012-04-01 | 2012-04-01 | Intelligent variable-frequency control fracturing pump set |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095209A (en) * | 2013-01-24 | 2013-05-08 | 成都宏天电传工程有限公司 | Medium-voltage frequency conversion system used for shale gas extraction |
| CN105604925A (en) * | 2016-03-18 | 2016-05-25 | 亿德机电科技（福建）有限公司 | Intelligent control combustion engine pump |
| CN106523342A (en) * | 2016-12-30 | 2017-03-22 | 天津仪控科技有限公司 | High-pressure plunger pump interlock protection control method and system based on PID adjustment |
| CN107461373A (en) * | 2017-09-01 | 2017-12-12 | 山东大学 | A kind of constant pressure and constant flow control system of grouting and operating method |
| CN110552857A (en) * | 2019-08-12 | 2019-12-10 | 中国海洋石油集团有限公司 | electrically driven well cementing equipment and adjusting method |
| US10914155B2 (en) | 2018-10-09 | 2021-02-09 | U.S. Well Services, LLC | Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform |
| US10927802B2 (en) | 2012-11-16 | 2021-02-23 | U.S. Well Services, LLC | System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources |
| US10934824B2 (en) | 2012-11-16 | 2021-03-02 | U.S. Well Services, LLC | System for reducing vibrations in a pressure pumping fleet |
| CN112594150A (en) * | 2020-12-16 | 2021-04-02 | 中国地质大学（北京） | But remote control's novel slush pump |
| CN114033376A (en) * | 2021-11-25 | 2022-02-11 | 宝鸡航天动力泵业有限公司 | Coal mine underground direct-drive type high-power fracturing pump unit system and control method thereof |
| CN114198292A (en) * | 2021-10-25 | 2022-03-18 | 北京天玛智控科技股份有限公司 | Fracturing pump set control system and control method |
| US11542786B2 (en) | 2019-08-01 | 2023-01-03 | U.S. Well Services, LLC | High capacity power storage system for electric hydraulic fracturing |
| US11728709B2 (en) | 2019-05-13 | 2023-08-15 | U.S. Well Services, LLC | Encoderless vector control for VFD in hydraulic fracturing applications |
-
2012
- 2012-04-01 CN CN2012201371289U patent/CN202545207U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10927802B2 (en) | 2012-11-16 | 2021-02-23 | U.S. Well Services, LLC | System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources |
| US10934824B2 (en) | 2012-11-16 | 2021-03-02 | U.S. Well Services, LLC | System for reducing vibrations in a pressure pumping fleet |
| CN103095209A (en) * | 2013-01-24 | 2013-05-08 | 成都宏天电传工程有限公司 | Medium-voltage frequency conversion system used for shale gas extraction |
| CN105604925A (en) * | 2016-03-18 | 2016-05-25 | 亿德机电科技（福建）有限公司 | Intelligent control combustion engine pump |
| CN105604925B (en) * | 2016-03-18 | 2018-01-26 | 亿德机电科技（福建）有限公司 | A kind of intelligent control burning pump |
| CN106523342A (en) * | 2016-12-30 | 2017-03-22 | 天津仪控科技有限公司 | High-pressure plunger pump interlock protection control method and system based on PID adjustment |
| CN107461373A (en) * | 2017-09-01 | 2017-12-12 | 山东大学 | A kind of constant pressure and constant flow control system of grouting and operating method |
| US10914155B2 (en) | 2018-10-09 | 2021-02-09 | U.S. Well Services, LLC | Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform |
| US11728709B2 (en) | 2019-05-13 | 2023-08-15 | U.S. Well Services, LLC | Encoderless vector control for VFD in hydraulic fracturing applications |
| US11542786B2 (en) | 2019-08-01 | 2023-01-03 | U.S. Well Services, LLC | High capacity power storage system for electric hydraulic fracturing |
| CN110552857A (en) * | 2019-08-12 | 2019-12-10 | 中国海洋石油集团有限公司 | electrically driven well cementing equipment and adjusting method |
| CN112594150A (en) * | 2020-12-16 | 2021-04-02 | 中国地质大学（北京） | But remote control's novel slush pump |
| CN114198292A (en) * | 2021-10-25 | 2022-03-18 | 北京天玛智控科技股份有限公司 | Fracturing pump set control system and control method |
| CN114198292B (en) * | 2021-10-25 | 2024-03-01 | 北京天玛智控科技股份有限公司 | Fracturing pump set control system and control method |
| CN114033376A (en) * | 2021-11-25 | 2022-02-11 | 宝鸡航天动力泵业有限公司 | Coal mine underground direct-drive type high-power fracturing pump unit system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20190401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |