CN104696206A - Fracturing truck as well as control device and method thereof - Google Patents
Fracturing truck as well as control device and method thereof Download PDFInfo
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- CN104696206A CN104696206A CN201510092316.2A CN201510092316A CN104696206A CN 104696206 A CN104696206 A CN 104696206A CN 201510092316 A CN201510092316 A CN 201510092316A CN 104696206 A CN104696206 A CN 104696206A
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Abstract
The invention relates to the technical field of fracturing equipment control, and discloses a fracturing tuck as well as a control device and a method thereof. The control device of the fracturing truck comprises a first judgement unit, a first processing unit and a second processing unit, wherein the first judgement unit is used for judging whether the target delivery is in a fracturing pump delivery range corresponding to the current gear of a transmission case or not; the first processing unit is used for sending rotation speed control information to an engine when the target delivery is in the fracturing pump delivery range corresponding to the current gear of a transmission case to ensure that the output rotation speed of the current gear of the transmission case is consistent with the output rotation speed of the transmission case corresponding to the target delivery; and the second processing unit is used for sending gear adjustment information to the transmission case when the target delivery is not in the delivery range of the fracturing pump corresponding to the current gear of the transmission case so as to ensure that the delivery range of the fracturing pump corresponding to the adjusted gear of the transmission case covers the target delivery. According to the fracturing tuck as well as the control device and the method thereof, the manpower can be decreased, the potential safety hazard can be reduced, the delivery of the fracturing pump can satisfy the requirement of the site construction condition and then the operation efficiency and quality can be improved.
Description
Technical field
The present invention relates to fracturing unit control technique field, particularly a kind of fracturing unit truck and control gear thereof and method.
Background technique
Pressing crack construction operation is one of important means of transformation oil-gas reservoir, for low-permeability oil gas well, generally needs the object that just can reach stable yields and volume increase by means of fracturing work.Fracturing unit truck is the capital equipment of pressing crack construction, and its effect is the fracturing fluid injecting high pressure, huge discharge in stratum, is pressed off on stratum, supporting material (as fracturing sand) is clamp-oned crack, to strengthen in-place permeability, increase the mobility of oil gas, improve the rate of oil and gas recovery.
At present, common fracturing unit truck generally comprises chassis and is arranged at motor, transmission case, transmission shaft and the fracturing pump etc. on chassis, as shown in Figure 1, wherein, the output terminal of motor and the input end of transmission case are in transmission connection, the output terminal of transmission case and one end of transmission shaft are in transmission connection, and the other end of transmission shaft and the power intake (power input gear) of fracturing pump are in transmission connection.
Common fracturing pump generally adopts curved shaft type plunger pump, Fig. 2 shows the structural representation of this curved shaft type plunger pump, as shown in the figure, this curved shaft type plunger pump 1' comprises bent axle 11', multiple connecting rod 12' and multiple plunger 13' etc., the two ends of bent axle 11' are provided with power input gear, multiple plunger 13' are arranged in the side of bent axle 11', one end of multiple plunger 13' can move around respectively in fluid end (shown in figure but do not mark), between the other end that multiple connecting rod 12' is arranged on multiple plunger 13' and bent axle 11', so after the engine started, its outputting power is through transmission case variable-speed torque-converting, and will the power input gear of curved shaft type plunger pump 1' be driven to rotate after transmission shaft transmits, and then band dynamic crankshaft 11' rotates, connecting rod 12' is made to make crank rod movement, drive plunger 13' reciprocating (being similar to the motion of engine crankshaft and piston), thus realize by fluid end, working medium (fracturing fluid) being sucked and continuous High voltage output, to carry out fracturing work.
The fracturing pump fracturing fluid quantity (being called discharge capacity) that pumping exports within the unit time is directly related with the output speed of transmission case, and the output speed of transmission case is directly related with residing gear and engine speed (input as transmission case), under arbitrary gear, the output speed of transmission case equals the product of the engine speed speed ratio corresponding with this gear; Therefore, arbitrary gear of transmission case corresponds respectively to different fracturing pump displacement range.At present, in fracturing work process, due to the requirement of sessions or technique, Field Force is needed to judge the construction stage, and frequent manually the adjustment gear of transmission case or the rotating speed of motor, meet field operation situation to make pressure break pump delivery as far as possible.This mode causes cost of labor to rise on the one hand, there is potential safety hazard, on the other hand owing to being difficult to timely matched field condition of construction, causes operating efficiency and poor quality.
Summary of the invention
In view of this, the present invention aims to provide a kind of fracturing unit truck control gear, a kind of fracturing unit truck and a kind of fracturing unit truck controlling method, while minimizing manpower uses and reduces potential safety hazard, to enable fracturing pump discharge capacity meet the needs of site operation situation in time, improve operating efficiency and quality.
Specifically, this fracturing unit truck control gear comprises: the first acquiring unit, for obtaining the target discharge capacity of fracturing pump; Second acquisition unit, for obtaining the output speed of transmission case; 3rd acquiring unit, for obtaining engine speed; First judging unit, for judging whether target discharge capacity is positioned at fracturing pump displacement range corresponding to the current shift of transmission case; First processing unit, during for being positioned at fracturing pump displacement range corresponding to transmission case current shift in target discharge capacity, send rotating speed control information to motor, the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent; Second processing unit, during for not being positioned at fracturing pump displacement range corresponding to transmission case current shift in target discharge capacity, sends gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding.
Further, the second processing unit also comprises judge module and puocessing module, judge module is used for when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, and whether the difference prejudging the output speed of gear after transmission case adjustment and the output speed of transmission case current shift is positioned at prespecified range, when puocessing module is used for the judged result of judge module for being, gear adjustment information is sent to transmission case, the fracturing pump displacement range coverage goal discharge capacity that gear after transmission case is adjusted is corresponding, and for when the judged result of judge module is no, first send speed controling signal to motor, the output speed of gear after transmission case is adjusted and the difference of the output speed of transmission case current shift are positioned at prespecified range, gear adjustment information is sent again to transmission case, and speed controling signal is sent to motor after transmission case completes gear adjustment, fracturing pump displacement range coverage goal discharge capacity corresponding to gear after transmission case is adjusted or the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding consistent.
Further, described fracturing unit truck control gear also comprises the 4th acquiring unit, the second judging unit and the 3rd processing unit, 4th acquiring unit is for obtaining the pumping pressure of fracturing pump, second judging unit is for judging whether pumping pressure is greater than predetermined value, and the 3rd processing unit is used for sending warning message when pumping pressure is greater than predetermined value.
Further, described fracturing unit truck control gear also comprises target discharge capacity input device, for inputting target discharge capacity for operator.
Further, described target input device is knob style analog input equipment.
This fracturing unit truck also comprises motor, transmission case and fracturing pump, also comprises the fracturing unit truck control gear described in above-mentioned any one.
This fracturing unit truck controlling method comprises the steps: A, judge whether the target discharge capacity obtained is positioned at fracturing pump displacement range corresponding to the current shift of transmission case; B, when target discharge capacity is positioned at fracturing pump displacement range corresponding to transmission case current shift, send rotating speed control information to motor, the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent; C, when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, send gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding.
Further, step C comprises: when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, and whether the difference prejudging the output speed of gear after transmission case adjustment and the output speed of transmission case current shift is positioned at prespecified range; If then send gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding; Then first send speed controling signal to motor if not, the output speed of gear after transmission case is adjusted and the difference of the output speed of transmission case current shift are positioned at prespecified range, gear adjustment information is sent again to transmission case, and after transmission case completes gear adjustment, send speed controling signal to motor, fracturing pump displacement range coverage goal discharge capacity corresponding to gear after transmission case is adjusted or the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding consistent.
Further, described rotating speed control information is Throttle Opening Control information.
Further, described fracturing unit truck controlling method also comprises step: judge whether the pumping pressure obtained is greater than predetermined value, and send warning message when pumping pressure is greater than predetermined value.
When adopting fracturing unit truck control gear of the present invention, in fracturing work process, when target discharge capacity gives timing, can judge whether target discharge capacity is positioned at fracturing pump displacement range corresponding to the current shift of transmission case by the first judging unit, and when target discharge capacity is positioned at fracturing pump displacement range corresponding to transmission case current shift, rotating speed control information is sent to motor by the first processing unit, regulate engine speed, and then the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent, and when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, gear adjustment information is sent to transmission case by the second processing unit, the fracturing pump displacement range coverage goal discharge capacity that gear after transmission case is adjusted is corresponding, like this at the first judging unit, under the limited number of time execution of the first processing unit and the second processing unit, the actual displacement of fracturing pump and the timely coupling of target discharge capacity can be realized, and then meet construction needs in time, improve operating efficiency and quality, in adjusting without the need to manpower intervention engine speed and transmission case gear, reduce human cost and potential safety hazard.
In the preferred scheme of one, the second processing unit also comprises judge module and puocessing module, can avoid the problem producing greater impact when adjusting gear because front and back speed difference is comparatively large.
The technique effect implementing fracturing unit truck of the present invention and fracturing unit truck controlling method is similar to the above, no longer launches to describe at this.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of fracturing unit truck transmission system in prior art;
Fig. 2 is the structural representation of existing a kind of typical fracturing pump;
Fig. 3 is the relation schematic diagram between the fracturing unit truck control gear of the embodiment of the present invention and other relevant portions of pressure car;
Fig. 4 is the structured flowchart of the control gear of fracturing unit truck shown in Fig. 3.
Embodiment
To it should be pointed out that in this part to the description of concrete structure and description order it is only explanation to specific embodiment, should not be considered as there is any restriction to protection scope of the present invention.In addition, when not conflicting, the embodiment in this part and the feature in embodiment can combine mutually.
Please also refer to Fig. 3 and Fig. 4, elaborate below in conjunction with the fracturing unit truck control gear of accompanying drawing to the embodiment of the present invention.
As shown in the figure, this fracturing unit truck control gear can comprise the first acquiring unit, second acquisition unit, the 3rd acquiring unit, the first judging unit, the first processing unit and the second processing unit.
Wherein, the first acquiring unit is used for the target discharge capacity of Real-time Obtaining fracturing pump; Second acquisition unit is used for the output speed of Real-time Obtaining transmission case; 3rd acquiring unit is used for Real-time Obtaining engine speed.
First judging unit is for judging whether the target discharge capacity obtained is positioned at fracturing pump displacement range corresponding to the current shift of transmission case; First processing unit is used for when target discharge capacity is positioned at fracturing pump displacement range corresponding to transmission case current shift, rotating speed control information is sent to motor, to adjust engine speed, until the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent; Second processing unit is used for when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, gear adjustment information is sent to transmission case, to adjust the gear of transmission case, the fracturing pump displacement range coverage goal discharge capacity making transmission case gear after the adjustment corresponding.
In specific implementation process, first acquiring unit, second acquisition unit and the 3rd acquiring unit can as three of fracturing unit truck control gear receiving elements, are respectively used to target discharge capacity information that real-time reception manually inputs, receive engine speed information and receive output speed information from the speed probe transmission case or ECU (Electrical Control Unit) in real time in real time from the speed probe motor or ECU (Electrical Control Unit).The detection mode of transmission case output speed and engine speed has varied, specifically see the associated description of prior art, no longer can launch at this.
Be understandable that, the fracturing pump displacement range that each gear of transmission case allows is different, therefore in fracturing work process, at a time, the target discharge capacity that fracturing unit truck control gear obtains may be positioned at the fracturing pump displacement range corresponding to transmission case current shift, also in the fracturing pump displacement range corresponding to transmission case current shift, for the judgement of these two kinds of situations, may not realize by the first judging unit; During concrete enforcement, can fracturing pump displacement range information corresponding for each for transmission case gear be stored in fracturing unit truck control gear, call for the first judging unit, gear due to transmission case is controlled by fracturing unit truck control gear, therefore fracturing unit truck control gear can learn the current shift of transmission case, therefore the first judging unit also can know the current shift of transmission case, and then realizes aforementioned judgement.
For last situation, can continue to enable the first processing unit, particularly, first processing unit can Real-time Obtaining engine speed information, and when the first judging unit is judged as last situation, send rotating speed control information to motor, with dynamic conditioning engine speed, the transmission case output speed that engine speed after final adjustment can make the output speed of transmission case current shift and target discharge capacity corresponding is consistent, thus the timely coupling of realize target discharge capacity and fracturing pump actual displacement.
For a rear situation, can continue to enable the second processing unit, particularly, second processing unit can after the first judging unit is judged as during a situation, gear adjustment information is sent to transmission case, to adjust the gear of transmission case, thus meet the fracturing pump displacement range coverage goal discharge capacity corresponding to gear after adjustment, like this can realize target discharge capacity and fracturing pump actual displacement coupling to a certain extent, it should be noted that, in order to improve the matching degree of target discharge capacity and fracturing pump actual displacement further, after the second processing unit is complete, the first judging unit can be back to and continue process, namely continued to judge whether target discharge capacity is positioned at fracturing pump displacement range corresponding to the current shift of transmission case by the first judging unit, now the current shift of transmission case refers to the gear after adjustment, like this after the limited number of time that moves in circles, can realize target discharge capacity and the consistent of fracturing pump actual displacement or matched well.
From the foregoing, compared with prior art, adopt the fracturing unit truck control gear of the above embodiment of the present invention, the actual displacement of fracturing pump and the timely coupling of target discharge capacity can be realized, and then the needs of site operation can be met in time, improve efficiency and the quality of fracturing work, and due to without the need in artificial frequent intervention engine speed and the adjustment of transmission case gear, reduce human cost and potential safety hazard.
In specific implementation process, the fracturing unit truck control gear of above-described embodiment can also adopt following at least one preferred version:
One, due in transmission case shift process, if before and after transmission case gearshift easily there is greater impact comparatively greatly in output speed difference, and then affect the performance of fracturing pump or associated components, therefore the second processing unit may further include judge module and puocessing module (not shown in Fig. 4).Wherein, judge module is used for when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, and whether the difference prejudging the output speed of gear after transmission case adjustment and the output speed of transmission case current shift is positioned at prespecified range, when puocessing module is used for the judged result of judge module for being, gear adjustment information is sent to transmission case, the fracturing pump displacement range coverage goal discharge capacity that gear after transmission case is adjusted is corresponding, and for when the judged result of judge module is no, first send speed controling signal to motor, the output speed of gear after transmission case is adjusted and the difference of the output speed of transmission case current shift are positioned at prespecified range, gear adjustment information is sent again to transmission case, and speed controling signal is sent to motor after transmission case completes gear adjustment, fracturing pump displacement range coverage goal discharge capacity corresponding to gear after transmission case is adjusted or the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding consistent.Can learn thus, after adopting this scheme, the closed loop control adjusted of shifting gears can be realized, reduce the impact that whole Transmitted chains produces, extend the working life of the parts such as fracturing pump and whole equipment.
Two, as shown in Figure 4, fracturing unit truck control gear can also comprise the 4th acquiring unit, the second judging unit and the 3rd processing unit, wherein, 4th acquiring unit is for obtaining the pumping pressure of fracturing pump, second judging unit is for judging whether pumping pressure is greater than predetermined value, and the 3rd processing unit is used for sending warning message when pumping pressure is greater than predetermined value.The mode obtaining fracturing pump pumping pressure can see the associated description of prior art.It can thus be appreciated that, after adopting this scheme, can Timeliness coverage pumping pressure is too high in pressure operation process problem, thus also contribute to the working life extending the parts such as fracturing pump and whole equipment.
Three, fracturing unit truck control gear can also comprise target discharge capacity input device, so that operator (Field Force) input target discharge capacity.Particularly, this target input device can adopt knob style analog input equipment, so in use, operator can by the continuous input of rotary knob realize target discharge capacity, overall plan also can realize the adjustment in time continuously of fracturing pump actual displacement, improve the fine setting performance of whole control procedure.
Other embodiments of the invention additionally provide a kind of fracturing unit truck controlling method, and this fracturing unit truck controlling method can comprise step: step one, judge whether the target discharge capacity obtained is positioned at fracturing pump displacement range corresponding to the current shift of transmission case; Step 2, when target discharge capacity is positioned at fracturing pump displacement range corresponding to transmission case current shift, send rotating speed control information to motor, the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent; Step 3, when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, send gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding.Wherein, step 2 and step 3 do not have sequencing, but determine according to the judged result of step one; In addition, step one can also be returned to continue process after step 3 completes, so within the predetermined time after limited number of time moves in circles, can realize target discharge capacity and the consistent of fracturing pump actual displacement or matched well.Can see the description of aforementioned pressure truck control device embodiment about the implementation procedure of this fracturing unit truck controlling method, correlative principle and technique effect.
In specific implementation process, in order to avoid transmission case produces greater impact in shift process, to affect the working life of the parts such as fracturing pump and whole set equipment, step 3 may further include: when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, and whether the difference prejudging the output speed of gear after transmission case adjustment and the output speed of transmission case current shift is positioned at prespecified range; If then send gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding; Then first send speed controling signal to motor if not, the output speed of gear after transmission case is adjusted and the difference of the output speed of transmission case current shift are positioned at prespecified range, gear adjustment information is sent again to transmission case, and after transmission case completes gear adjustment, send speed controling signal to motor, fracturing pump displacement range coverage goal discharge capacity corresponding to gear after transmission case is adjusted or the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding consistent.In addition, described rotating speed control information can be Throttle Opening Control information, like this by sending Throttle Opening Control information to motor (ECU (Electrical Control Unit)), can realize the control of engine speed.In addition, in order to avoid affecting the working life of the parts such as fracturing pump and whole set equipment because fracturing pump pumping pressure is excessive, aforementioned fracturing unit truck controlling method can also comprise step: judge whether the pumping pressure obtained is greater than predetermined value, and send warning message when pumping pressure is greater than predetermined value.
In addition, other embodiments of the invention additionally provide a kind of fracturing unit truck, this fracturing unit truck comprises motor, transmission case and fracturing pump, also comprises the fracturing unit truck control gear described in previous embodiment, and this fracturing unit truck control gear can be connected with motor, transmission case, fracturing pump signal.Because aforesaid fracturing unit truck control gear has above-mentioned technique effect, therefore, this fracturing unit truck also should possess corresponding technique effect, and the specific implementation process of its appropriate section is similar to the above embodiments, the specific implementation process of other parts see the associated description of prior art, hereby can not repeat.
One of ordinary skill in the art will appreciate that, all or part of step/the units/modules realizing above-described embodiment can have been come by the hardware that programming instruction is relevant, foregoing routine can be stored in computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or laser disc etc. various can be program code stored medium.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a fracturing unit truck control gear, is characterized in that, comprising:
First acquiring unit, for obtaining the target discharge capacity of fracturing pump;
Second acquisition unit, for obtaining the output speed of transmission case;
3rd acquiring unit, for obtaining engine speed;
First judging unit, for judging whether target discharge capacity is positioned at fracturing pump displacement range corresponding to the current shift of transmission case;
First processing unit, during for being positioned at fracturing pump displacement range corresponding to transmission case current shift in target discharge capacity, send rotating speed control information to motor, the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent;
Second processing unit, during for not being positioned at fracturing pump displacement range corresponding to transmission case current shift in target discharge capacity, sends gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding.
2. fracturing unit truck control gear as claimed in claim 1, it is characterized in that, the second processing unit also comprises judge module and puocessing module, judge module is used for when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, and whether the difference prejudging the output speed of gear after transmission case adjustment and the output speed of transmission case current shift is positioned at prespecified range, when puocessing module is used for the judged result of judge module for being, gear adjustment information is sent to transmission case, the fracturing pump displacement range coverage goal discharge capacity that gear after transmission case is adjusted is corresponding, and for when the judged result of judge module is no, first send speed controling signal to motor, the output speed of gear after transmission case is adjusted and the difference of the output speed of transmission case current shift are positioned at prespecified range, gear adjustment information is sent again to transmission case, and speed controling signal is sent to motor after transmission case completes gear adjustment, fracturing pump displacement range coverage goal discharge capacity corresponding to gear after transmission case is adjusted or the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding consistent.
3. fracturing unit truck control gear as claimed in claim 1 or 2, it is characterized in that, described fracturing unit truck control gear also comprises the 4th acquiring unit, the second judging unit and the 3rd processing unit, 4th acquiring unit is for obtaining the pumping pressure of fracturing pump, second judging unit is for judging whether pumping pressure is greater than predetermined value, and the 3rd processing unit is used for sending warning message when pumping pressure is greater than predetermined value.
4. fracturing unit truck control gear as claimed in claim 1 or 2, it is characterized in that, described fracturing unit truck control gear also comprises target discharge capacity input device, for inputting target discharge capacity for operator.
5. fracturing unit truck control gear as claimed in claim 5, it is characterized in that, described target input device is knob style analog input equipment.
6. a fracturing unit truck, comprises motor, transmission case and fracturing pump, it is characterized in that, also comprises the fracturing unit truck control gear described in any one of claim 1 to 5.
7. a fracturing unit truck controlling method, is characterized in that, comprises the steps:
A, judge whether the target discharge capacity obtained is positioned at fracturing pump displacement range corresponding to the current shift of transmission case;
B, when target discharge capacity is positioned at fracturing pump displacement range corresponding to transmission case current shift, send rotating speed control information to motor, the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding is consistent;
C, when target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, send gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding.
8. fracturing unit truck controlling method as claimed in claim 7, is characterized in that: step C comprises:
When target discharge capacity is not positioned at fracturing pump displacement range corresponding to transmission case current shift, whether the difference prejudging the output speed of gear after transmission case adjustment and the output speed of transmission case current shift is positioned at prespecified range;
If then send gear adjustment information to transmission case, the fracturing pump displacement range coverage goal discharge capacity that the gear after transmission case is adjusted is corresponding; Then first send speed controling signal to motor if not, the output speed of gear after transmission case is adjusted and the difference of the output speed of transmission case current shift are positioned at prespecified range, gear adjustment information is sent again to transmission case, and after transmission case completes gear adjustment, send speed controling signal to motor, fracturing pump displacement range coverage goal discharge capacity corresponding to gear after transmission case is adjusted or the transmission case output speed making the output speed of transmission case current shift and target discharge capacity corresponding consistent.
9. fracturing unit truck controlling method as claimed in claim 7 or 8, it is characterized in that, described rotating speed control information is Throttle Opening Control information.
10. fracturing unit truck controlling method as claimed in claim 7 or 8, it is characterized in that, described fracturing unit truck controlling method also comprises step: judge whether the pumping pressure obtained is greater than predetermined value, and send warning message when pumping pressure is greater than predetermined value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107544304A (en) * | 2017-09-01 | 2018-01-05 | 三石油智能装备有限公司 | Fracturing unit truck control method and device |
| CN107587870A (en) * | 2017-09-11 | 2018-01-16 | 中国石油大学(北京) | Shale gas fracturing work down-hole accident monitors and method for early warning and system |
| CN112302814A (en) * | 2020-10-30 | 2021-02-02 | 三一石油智能装备有限公司 | Fracturing truck and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107544304A (en) * | 2017-09-01 | 2018-01-05 | 三石油智能装备有限公司 | Fracturing unit truck control method and device |
| CN107587870A (en) * | 2017-09-11 | 2018-01-16 | 中国石油大学(北京) | Shale gas fracturing work down-hole accident monitors and method for early warning and system |
| CN112302814A (en) * | 2020-10-30 | 2021-02-02 | 三一石油智能装备有限公司 | Fracturing truck and control method thereof |
| CN112302814B (en) * | 2020-10-30 | 2022-10-11 | 三一石油智能装备有限公司 | Fracturing truck and control method thereof |
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| CN104696206B (en) | 2017-02-22 |
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Effective date of registration: 20161213 Address after: 102206 South Beijing city of Changping District science and Technology Park 31 manufacturing center of Beijing Liu Lu Li Applicant after: 31 petroleum Intelligent Equipment Co., Ltd. Address before: 102206 Changping District City, North Road, Beijing, the 31 Industrial Park Applicant before: SANY HEAVY ENERGY EQUIPMENT CO., LTD. |
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