CN116345644A - High-energy-efficiency electrically-driven coalbed methane fracturing system - Google Patents
High-energy-efficiency electrically-driven coalbed methane fracturing system Download PDFInfo
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- CN116345644A CN116345644A CN202310610360.2A CN202310610360A CN116345644A CN 116345644 A CN116345644 A CN 116345644A CN 202310610360 A CN202310610360 A CN 202310610360A CN 116345644 A CN116345644 A CN 116345644A
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- battery source
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- rechargeable battery
- power supply
- coalbed methane
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 254
- 239000003245 coal Substances 0.000 claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/2607—Surface equipment specially adapted for fracturing operations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The application discloses a high energy efficiency electricity drives coal bed gas fracturing system belongs to coal bed gas technical field. The high-energy-efficiency electrically driven coalbed methane fracturing system comprises: the system comprises a movable chargeable battery source, a coalbed methane fracturing truck, an electric quantity monitoring module, a power supply switch and a controller, wherein the movable chargeable battery source is controlled by the power supply switch so as to supply or stop supplying power to the coalbed methane fracturing truck connected with the movable chargeable battery source; the controller is respectively connected with each electric quantity monitoring module and each power supply switch and is used for controlling the on-off of each power supply switch according to the information transmitted by the electric quantity monitoring module. The high-energy-efficiency electric-drive coalbed methane fracturing system charges each coalbed methane fracturing truck through the movable rechargeable battery source, so that the problem that a power grid needs to be transformed to charge the coalbed methane fracturing trucks in the prior art is solved. The method is mainly applied to the aspect of power supply of the coal bed gas fracturing truck.
Description
Technical Field
The application relates to the technical field of coalbed methane, in particular to a high-energy-efficiency electrically-driven coalbed methane fracturing system.
Background
In the coalbed methane fracturing system in the prior art, the fuel required by the fracturing truck for carrying out fracturing operation is diesel oil, and clean energy is not adopted, if the fuel of the fracturing truck is simply replaced by electric energy, the fuel is required to be directly supplied through a power supply network, but in many cases, the power supply network is required to be used for carrying out the transformation of a local power supply network, the transformation is too long, time and labor are wasted, and the coal bed exploitation work is very delayed.
It is therefore desirable to have a solution that solves or at least alleviates the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide an energy-efficient electrically-driven coalbed methane fracturing system for solving at least one technical problem.
The invention provides the following scheme:
according to one aspect of the present invention there is provided an energy efficient electrically driven coalbed methane fracturing system comprising:
a movable rechargeable battery source, the number of the movable rechargeable battery sources being at least two;
the system comprises a coal bed gas fracturing truck, a plurality of movable rechargeable battery sources, a plurality of rechargeable battery sources and a plurality of rechargeable battery sources, wherein one of the rechargeable battery sources is connected with the rechargeable battery sources;
the quantity of the electric quantity monitoring modules is the same as that of the movable rechargeable battery sources, one electric quantity monitoring module is connected with one movable rechargeable battery source, and one electric quantity monitoring module is used for monitoring the electric quantity of one movable rechargeable battery source;
the movable rechargeable battery source is connected with the coal bed gas fracturing truck through the power supply switch, so that the power supply switch is controlled to supply or stop supplying power to the coal bed gas fracturing truck;
and the controller is respectively connected with each electric quantity monitoring module and each power supply switch and is used for controlling the on-off of each power supply switch according to the information transmitted by the electric quantity monitoring module.
Optionally, the number of the coalbed methane fracturing trucks is at least two, and one movable rechargeable battery source is connected with at least two coalbed methane fracturing trucks.
Optionally, the coalbed methane fracturing truck comprises:
the input end of the DC-DC conversion module is connected with a movable chargeable battery source through a power supply switch;
the input end of the inverter is connected with the output end of the DC-DC conversion module;
the input end of the three-phase asynchronous motor is connected with the output end of the inverter;
and the plunger pump is connected with the output end of the three-phase asynchronous motor.
Optionally, the controller is connected with each power monitoring module and each power supply switch respectively, and is used for controlling on-off of each power supply switch according to the information transmitted by the power monitoring module, and includes:
the controller obtains the current electric quantity of the movable rechargeable battery source corresponding to each electric quantity monitoring module transmitted by each electric quantity monitoring module;
the controller obtains the current working state of each movable rechargeable battery source;
the controller obtains estimated power consumption of each coalbed methane fracturing truck which is connected with each movable chargeable battery source and is powered by the movable chargeable battery source;
the controller obtains the current time and obtains the power supply duration required by the movable chargeable battery source according to the current time;
the controller regulates and controls the on-off of each power supply switch according to the current electric quantity, the working state and the required power supply time length of each movable rechargeable battery source and the estimated power consumption of each coalbed methane fracturing truck connected with the current electric quantity and the working state.
Optionally, the controller obtaining the current operating state of each of the movable rechargeable battery sources includes:
acquiring a movable chargeable battery source as a power supply state or a power stop state;
and acquiring the power supply quantity of the movable rechargeable battery source for supplying power to the coalbed methane fracturing truck.
Optionally, the controller obtaining the estimated power consumption of each coalbed methane fracturing truck includes:
the following operations are performed for each coalbed methane fracturing truck:
acquiring a transducer model;
acquiring historical power consumption data of a coal bed gas fracturing truck;
extracting characteristic information of the historical power consumption data;
and inputting the characteristic information into the transducer model so as to obtain the estimated power consumption of the coalbed methane fracturing truck.
Optionally, the controller regulates and controls on/off of each power supply switch according to the current electric quantity, the working state and the required power supply duration of each current movable rechargeable battery source and the estimated power consumption of each coalbed methane fracturing truck connected with the current electric quantity and the working state, and the estimated power consumption comprises:
the method comprises the steps of obtaining current power supply conditions through estimated power consumption of each coalbed methane fracturing truck in power supply by the movable rechargeable battery source, current power quantity and working state of the movable rechargeable battery source and power supply time required by the movable rechargeable battery source, and further obtaining future power quantity information after the movable rechargeable battery source finishes the power supply time;
judging whether the future electric quantity information of one movable rechargeable battery source is more than 30% and less than 50% of the total electric quantity of the movable rechargeable battery source according to the future electric quantity information of each movable rechargeable battery source, wherein the movable rechargeable battery source is called as the movable rechargeable battery source to be regulated and controlled, if yes, then
Judging whether future electric quantity information of a movable rechargeable battery source is more than 15% and less than 35% of total electric quantity of the movable rechargeable battery source except the movable rechargeable battery source to be regulated, wherein the movable rechargeable battery source is called a first chargeable movable rechargeable battery source, and if yes
Acquiring the number of coal bed gas fracturing trucks to be regulated and controlled in power supply of a movable rechargeable battery source, and if the number is 1
And cutting off the connection between the movable rechargeable battery source to be regulated and the coalbed methane fracturing truck in the process of supplying power to the movable rechargeable battery source to be regulated through a power supply switch, and enabling the first loadable movable rechargeable battery source to supply power to the coalbed methane fracturing truck which is just cut off.
Acquiring the number of coal bed methane fracturing trucks to be regulated and controlled in power supply of a movable rechargeable battery source, and if the number exceeds 1
And cutting off the connection between the movable rechargeable battery source to be regulated and one of the coal bed gas fracturing trucks in the process of supplying power to the movable rechargeable battery source through a power supply switch, and enabling the first loadable movable rechargeable battery source to supply power to the coal bed gas fracturing truck which is just cut off.
Optionally, the controller regulates and controls on/off of each power supply switch according to the current electric quantity, the working state and the required power supply duration of each current movable rechargeable battery source and the estimated power consumption of each coalbed methane fracturing truck connected with the current electric quantity and the working state, and further includes:
after the movable rechargeable battery source to be regulated reduces one for supplying power to the coalbed methane fracturing truck, the current power supply condition is obtained again through the estimated power consumption of each coalbed methane fracturing truck in the process of supplying power by the movable rechargeable battery source to be regulated, the current power and working state of the movable rechargeable battery source and the power supply time required by the movable rechargeable battery source, so that the future power information of the movable rechargeable battery source after the power supply time is completed is obtained;
and if the future electric quantity information of the movable rechargeable battery source to be regulated is not less than 50% of the total electric quantity of the movable rechargeable battery source to be regulated, not continuing to regulate.
If the future electric quantity information of the movable rechargeable battery source to be regulated is less than 50% of the total electric quantity of the battery source, then
Judging whether the future electric quantity information of another movable chargeable battery source is more than 15% of the total electric quantity of the movable chargeable battery source and less than 35% of the total electric quantity of the movable chargeable battery source, if so, then
And cutting off the connection between the movable rechargeable battery source to be regulated and one of the coal bed gas fracturing trucks in the process of supplying power to the movable rechargeable battery source through a power supply switch, and enabling the second loadable movable rechargeable battery source to supply power to the coal bed gas fracturing truck which is just cut off.
Optionally, the controller regulates and controls on/off of each power supply switch according to the current electric quantity, the working state and the required power supply duration of each current movable rechargeable battery source and the estimated power consumption of each coalbed methane fracturing truck connected with the current electric quantity and the working state, and further includes:
judging whether future electric quantity information of a movable rechargeable battery source is more than 15% of the total electric quantity of the movable rechargeable battery source and less than 35% of the total electric quantity of the movable rechargeable battery source, and if not, ending regulation.
The invention has the following effects:
the utility model provides a high-energy efficiency electricity drives coalbed methane fracturing system charges for each coalbed methane fracturing truck through portable rechargeable battery source to solved prior art and need reform transform the electric wire netting and charge for the coalbed methane fracturing truck problem, in addition, every coalbed methane fracturing truck of this application all is connected with two at least portable rechargeable battery sources respectively, thereby through the control of controller, can realize the intelligent regulation and control of electric quantity, because in actual use, each portable rechargeable battery source is when charging, need draw away from the mine place and go elsewhere to charge, consequently, through the regulation and control of controller, can realize drawing away the portable rechargeable battery source of part according to the electric quantity and charge, and leave the portable rechargeable battery source of comparatively sufficient electric quantity and do not go to charge, thereby save manpower and materials.
Drawings
FIG. 1 is a schematic diagram of the connection of an energy efficient electrically driven coalbed methane fracturing system in one embodiment of the present application.
Fig. 2 is a schematic illustration of an internal connection of a coalbed methane fracturing truck in an energy efficient electrically driven coalbed methane fracturing system in one embodiment of the present application.
Reference numerals:
1. a removable rechargeable battery source; 2. a power supply switch; 3. a coalbed methane fracturing truck; 31. a DC-DC conversion module; 32. an inverter; 33. a three-phase asynchronous motor; 34. a plunger pump.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The high-energy-efficiency electrically-driven coalbed methane fracturing system shown in fig. 1 and 2 comprises a movable rechargeable battery source 1, a coalbed methane fracturing truck 3, an electric quantity monitoring module, a power supply switch 2 and a controller, wherein,
the number of the movable rechargeable battery sources 1 is at least two;
at least one coalbed methane fracturing truck 3 is arranged, and one coalbed methane fracturing truck 3 is connected with at least two movable rechargeable battery sources 1;
by adopting the mode, the controller can be conveniently controlled, and the coal bed methane fracturing truck 3 is prevented from being connected with one rechargeable battery source 1, so that the problem that power cannot be supplied through different movable rechargeable battery sources 1 is solved.
The number of the electric quantity monitoring modules is the same as that of the movable rechargeable battery sources 1, and one electric quantity monitoring module is used for detecting the electric quantity of one movable rechargeable battery source 1;
this arrangement allows accurate monitoring of the current charge of any one of the mobile rechargeable battery sources 1.
A movable rechargeable battery source 1 is controlled by a power supply switch 2 so as to supply or stop supplying power to a coal bed methane fracturing truck 3 connected with the movable rechargeable battery source;
the controller is respectively connected with each electric quantity monitoring module and each power supply switch 2 and is used for controlling the on-off of each power supply switch 2 according to the information transmitted by the electric quantity monitoring module.
Above-mentioned in, a coal bed gas fracturing unit truck 3 is connected with two at least portable rechargeable battery sources 1, conveniently realizes the intelligent regulation and control of electric quantity through the control of controller, like this in the charging process, can be with the portable rechargeable battery source 1 priority that current electric quantity is less, and leave the portable rechargeable battery source 1 that current electric quantity is comparatively abundant and do not go to charge, prevented that portable rechargeable battery source 1 from being pulled away from the mine under the comparatively sufficient circumstances of electric quantity and charging elsewhere, and then saved manpower and materials.
Preferably, the number of the coalbed methane fracturing trucks 3 is at least two, and one movable rechargeable battery source 1 is connected with at least two coalbed methane fracturing trucks 3.
By adopting the mode, under the condition that the at least two movable rechargeable battery sources 1 can supply power to the same coalbed methane fracturing truck 3, the same movable rechargeable battery source 1 is also enabled to charge the at least two coalbed methane fracturing trucks 3, and the electric quantity of the movable rechargeable battery source 1 is conveniently used to the greatest extent. When the movable rechargeable battery source 1 is pulled away from the mine site to charge the mine site, the electric quantity of the movable rechargeable battery source 1 is the lowest, and manpower and material resources are further saved.
In this embodiment, the rechargeable battery source 1 is a lithium iron phosphate battery, and the charging pile for charging the rechargeable battery source 1 may be a MW-class charging pile.
In this embodiment, the movable rechargeable battery source 1 can be placed in a battery container, which is convenient for transportation.
In the present embodiment, each coalbed methane fracturing truck 3 includes a DC-DC conversion module 31, an inverter 32, a three-phase asynchronous motor 33, and a plunger pump 34, wherein,
the DC-DC conversion module 31 is connected to at least one movable rechargeable battery source 1;
the DC-DC conversion module 31 is used to convert 1600KW input delivered by the mobile rechargeable battery source 1 into 1000V DC bus output.
An input end of the inverter 32 is connected with an output end of the DC-DC conversion module 31, and an output end of the inverter 32 is connected with an input end of the three-phase asynchronous motor 33;
the inverter is used for converting 1000V direct current into 600V three-phase alternating current.
The output of the three-phase asynchronous motor 33 is connected to a plunger pump 34.
In this embodiment, the controller is connected to each power monitoring module and each power supply switch 2, and is configured to control on/off of each power supply switch 2 according to information transmitted by the power monitoring module, where the on/off of each power supply switch 2 includes:
the controller obtains the current electric quantity of the movable rechargeable battery source 1 corresponding to each electric quantity monitoring module transmitted by each electric quantity monitoring module;
in this embodiment, the controller may obtain the information transmitted by the upper computer and the electric quantity monitoring module from the upper computer and the electric quantity monitoring module in a wired manner, and it is understood that the specific information transmission manner is in the prior art and will not be described herein.
The controller acquires the current working state of each movable rechargeable battery source 1;
in the present embodiment, the operating states of the movable rechargeable battery source 1 include whether the movable rechargeable battery source 1 is in a power supply state or a power stop state, and the power supply amount of the movable rechargeable battery source 1 for supplying power to the coalbed methane fracturing truck 3.
It can be understood that the working state can be judged according to the mode of acquiring whether the current is real-time or not, and the specific judging method is the prior art and is not repeated here.
The controller obtains estimated power consumption of each coalbed methane fracturing truck 3 which is connected with each movable rechargeable battery source 1 and is powered by the movable rechargeable battery source 1;
in this embodiment, the controller obtaining the estimated power consumption of each coalbed methane fracturing truck includes:
the following operations are carried out for each coalbed methane fracturing truck:
acquiring a transducer model;
acquiring historical power consumption data of a coal bed gas fracturing truck;
extracting characteristic information of the historical power consumption data;
and inputting the characteristic information into the transducer model so as to obtain the estimated power consumption of the coalbed methane fracturing truck.
In this embodiment, the transducer is a model using Self-Attention and position coding, and the transducer also uses an encoder-decoder architecture, which captures long-distance interdependent features in sentences more easily than LSTM, because LSTM needs to calculate predicted values according to time sequence, and for long-distance interdependent features, information accumulation over several time steps can link them, and the further the distance, the more difficult it is to extract effective information. However, the self-attention mechanism directly represents the connection between any two time points in the calculation process through a calculation result, and the distance between the remote dependence features is greatly shortened, so that the features can be effectively utilized.
The controller obtains the current time and obtains the power supply time required by the movable rechargeable battery source 1 according to the current time;
in this embodiment, the upper computer transmits its own time information to the controller, so that the time of the controller is synchronized with the time of the upper computer.
The controller regulates and controls the on-off of each power supply switch 2 according to the current electric quantity, the working state and the required power supply time length of each movable rechargeable battery source 1 and the estimated power consumption of each coal bed methane fracturing truck 3 connected with the current electric quantity and the working state.
The specific regulation and control are as follows:
the method comprises the steps that the current power supply condition is obtained through the estimated power consumption of each coalbed methane fracturing truck 3 in the power supply of the movable rechargeable battery source 1, the current power quantity and working state of the movable rechargeable battery source 1 and the power supply time required by the movable rechargeable battery source 1, and further future power quantity information after the movable rechargeable battery source 1 finishes the power supply time is obtained;
judging whether the future electric quantity information of one movable rechargeable battery source 1 is more than 30% and less than 50% of the total electric quantity of the movable rechargeable battery source 1 according to the future electric quantity information of each movable rechargeable battery source 1, wherein the movable rechargeable battery source 1 is called as the movable rechargeable battery source to be regulated and controlled, if yes, then
Judging whether the future electric quantity information of one movable chargeable battery source 1 is more than 15% and less than 35% of the total electric quantity except the movable chargeable battery source to be regulated or not, wherein the movable chargeable battery source 1 is called a first chargeable movable chargeable battery source;
if not, ending the regulation.
If yes, then
Acquiring the number of coal bed methane fracturing trucks 3 to be regulated and controlled in power supply by a movable rechargeable battery source, and if the number is 1
The connection between the movable chargeable battery source to be regulated and controlled and the coalbed methane fracturing truck 3 in the process of supplying power to the movable chargeable battery source to be regulated and controlled is cut off through the power supply switch 2, and the first loadable movable chargeable battery source is used for supplying power to the coalbed methane fracturing truck 3 which is just cut off.
Acquiring the number of coal bed methane fracturing trucks 3 to be regulated and controlled in power supply of a movable rechargeable battery source, and if the number exceeds 1
Cutting off the connection between the movable chargeable battery source to be regulated and one of the coalbed methane fracturing trucks 3 in the process of supplying power by the movable chargeable battery source through a power supply switch 2, and enabling the first loadable movable chargeable battery source to supply power for the coalbed methane fracturing truck 3 which is just cut off;
after the movable rechargeable battery source to be regulated reduces one for supplying power to the coalbed methane fracturing truck 3, the current power supply condition is obtained again through the estimated power consumption of each coalbed methane fracturing truck 3 in the process of supplying power by the movable rechargeable battery source to be regulated, the current power quantity and working state of the movable rechargeable battery source 1 and the power supply time required by the movable rechargeable battery source, so that the future power quantity information of the movable rechargeable battery source 1 after the power supply time is completed is obtained;
and if the future electric quantity information of the movable rechargeable battery source to be regulated is not less than 50% of the total electric quantity of the movable rechargeable battery source to be regulated, not continuing to regulate.
If the future electric quantity information of the movable rechargeable battery source to be regulated is less than 50% of the total electric quantity of the battery source, then
Judging whether the future electric quantity information of another movable rechargeable battery source 1 is more than 15% of the total electric quantity and less than 35% of the total electric quantity, wherein the movable rechargeable battery source 1 is called a second chargeable movable rechargeable battery source, if yes, then
The connection between the movable rechargeable battery source to be regulated and controlled and one of the coal bed gas fracturing trucks 3 in the process of supplying power to the movable rechargeable battery source 1 is cut off through the power supply switch 2, and the second loadable movable rechargeable battery source is used for supplying power to the coal bed gas fracturing truck 3 which is just cut off.
The present application is described in further detail below by way of examples, which are not to be construed as limiting the present application in any way.
In this example, the number of the movable rechargeable battery sources 1 is two, which are respectively called an a battery source and a B battery source, in this embodiment, the number of the coalbed methane fracturing trucks 3 is three, which are respectively called a D coalbed methane fracturing truck, an E coalbed methane fracturing truck and an F coalbed methane fracturing truck, wherein the a battery source is respectively connected with the D coalbed methane fracturing truck, the E coalbed methane fracturing truck and the F coalbed methane fracturing truck, and can be controlled by the power supply switch 2 to selectively supply power to one or more of the D coalbed methane fracturing truck, the E coalbed methane fracturing truck and the F coalbed methane fracturing truck, and the B battery source is respectively connected with the D coalbed methane fracturing truck and the F coalbed methane fracturing truck, and can be controlled by the power supply switch 2 to selectively supply power to one or more of the D coalbed methane fracturing truck and the F coalbed methane fracturing truck.
In this embodiment, the current time is 17 points, and each coalbed methane fracturing truck 3 needs to work to 20 points.
In this embodiment, at the current time point, the power of the battery source a is 70%, and the power of the battery source B is 60%.
In this embodiment, the estimated power consumption of the D coalbed methane fracturing truck is 6% of the power consumption of the battery source per hour, i.e., 6% of the power consumption of the battery source per hour, the power consumption of the E coalbed methane fracturing truck is 7% of the power consumption of the battery source per hour, i.e., 7% of the power consumption of the battery source per hour, and the power consumption of the F coalbed methane fracturing truck is 12% of the power consumption of the battery source per hour, i.e., 12% of the power consumption of the battery source per hour.
At the current time point, namely 17 points, the battery source A supplies power to the coal bed methane fracturing truck E and the coal bed methane fracturing truck D simultaneously, if the power is supplied to 20 points according to the information, the required power consumption is 21% of the coal bed methane fracturing truck E, 18% of the coal bed methane fracturing truck D, and the total power consumption is 39%,70% minus 39% is equal to 31%, and at the moment, the battery source A can be regarded as a movable chargeable battery source to be regulated.
At the current time point, namely 17 points, the B battery source supplies power for the F coal bed methane fracturing truck, if the power is supplied to 20 points according to the information, the required power consumption is 36% of the F coal bed methane fracturing truck, at the moment, 60% minus 36% is equal to 24%, and at the moment, the B battery source can be regarded as a first chargeable movable chargeable battery source.
At this time, namely 17, according to the estimated situation, the power supply of the E-coalbed methane fracturing truck in the a battery source can be disconnected, for example, the power supply of the E-coalbed methane fracturing truck is disconnected, and then the B battery source supplies power to the E-coalbed methane fracturing truck and the F-coalbed methane fracturing truck, at this time, if the information is according to the above, the residual power from the a battery source to 20 points is 52%, and the B battery source is 3%.
By adopting the mode, when the charging is carried out at night, the power supply B only needs to be pulled away, the power quantity of the power supply A is more, the power supply A does not need to be pulled away, and the power supply A can be averaged by the method in the next day, so that the number of the rechargeable battery sources 1 which are charged by pulling away each time is reduced, and the manpower and material resources are saved.
It can be understood that if the first chargeable mobile rechargeable battery source is made to supply power to the coalbed methane fracturing truck 3 that has just been cut off after the regulation and control, if the electric quantity of the first chargeable mobile rechargeable battery source is insufficient to supply power to the coalbed methane fracturing truck 3 that has just been cut off to the estimated time, the scheme can be abandoned or the power can be supplied in advance, and when the power supply is insufficient, other mobile rechargeable battery sources 1 with residual electric quantity are searched for to supply power, or the coalbed methane fracturing truck 3 is closed after the electric quantity is supplied.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. The utility model provides a high energy efficiency electricity drives coal bed gas fracturing system which characterized in that, high energy efficiency electricity drives coal bed gas fracturing system includes:
a movable rechargeable battery source (1), the number of the movable rechargeable battery sources (1) being at least two;
the system comprises a coalbed methane fracturing truck (3), wherein one coalbed methane fracturing truck (3) is connected with at least two movable chargeable battery sources (1);
the quantity of the electric quantity monitoring modules is the same as that of the movable rechargeable battery sources (1), one electric quantity monitoring module is connected with one movable rechargeable battery source (1), and one electric quantity monitoring module is used for monitoring the electric quantity of one movable rechargeable battery source (1);
the movable rechargeable battery source (1) is connected with the coal bed gas fracturing truck (3) through the power supply switch (2), so that the power supply or the power stop of the coal bed gas fracturing truck (3) is realized through controlling the power supply switch (2);
and the controller is respectively connected with each electric quantity monitoring module and each power supply switch (2) and is used for controlling the on-off of each power supply switch (2) according to the information transmitted by the electric quantity monitoring module.
2. An energy efficient electrically driven coalbed methane fracturing system according to claim 1, characterized in that the number of coalbed methane fracturing vehicles (3) is at least two, and that one movable rechargeable battery source (1) is connected with at least two coalbed methane fracturing vehicles (3).
3. An energy efficient electrically driven coalbed methane fracturing system according to claim 1 or 2, characterized in that said coalbed methane fracturing vehicle (3) comprises:
the input end of the DC-DC conversion module (31) is connected with the movable rechargeable battery source (1) through the power supply switch (2);
an inverter (32), wherein an input end of the inverter (32) is connected with an output end of the DC-DC conversion module (31);
the three-phase asynchronous motor (33), the input end of the three-phase asynchronous motor (33) is connected with the output end of the inverter (32);
and the plunger pump (34), wherein the plunger pump (34) is connected with the output end of the three-phase asynchronous motor (33).
4. An energy efficient electrically driven coalbed methane fracturing system according to claim 3, wherein said controller is connected to each of said power monitoring modules and each of said power switches (2), respectively, for controlling the on-off of each of said power switches (2) based on information transmitted by said power monitoring modules, comprising:
the controller obtains the current electric quantity of the movable rechargeable battery source (1) corresponding to each electric quantity monitoring module transmitted by each electric quantity monitoring module;
the controller obtains the current working state of each movable rechargeable battery source (1);
the controller obtains estimated power consumption of each coalbed methane fracturing truck (3) which is connected with each movable rechargeable battery source (1) and is powered by the movable rechargeable battery source (1);
the controller obtains the current time, and obtains the power supply time length required by the movable rechargeable battery source (1) according to the current time;
the controller regulates and controls the on-off of each power supply switch (2) according to the current electric quantity, the working state and the required power supply time length of each movable rechargeable battery source (1) and the estimated power consumption of each coal bed gas fracturing truck (3) connected with the current electric quantity and the working state.
5. An energy efficient electrically driven coalbed methane fracturing system according to claim 4, wherein said controller obtaining the current operating state of each movable rechargeable battery source (1) comprises:
acquiring a movable rechargeable battery source (1) to be in a power supply state or a power supply stopping state;
and acquiring the power supply quantity of the movable rechargeable battery source (1) for supplying power to the coalbed methane fracturing truck (3).
6. An energy efficient electrically driven coalbed methane fracturing system according to claim 4, wherein said controller obtaining estimated power consumption of each coalbed methane fracturing truck (3) comprises:
the following operations are performed for each coalbed methane fracturing truck (3):
acquiring a transducer model;
acquiring historical power consumption data of a coalbed methane fracturing truck (3);
extracting characteristic information of the historical power consumption data;
and inputting the characteristic information into the transducer model so as to obtain the estimated power consumption of the coalbed methane fracturing truck (3).
7. The energy efficient electrically driven coalbed methane fracturing system according to claim 5, wherein the controller regulates the on/off of each power supply switch (2) according to the current power, the working state and the required power supply time length of each current movable rechargeable battery source (1) and the estimated power consumption of each coalbed methane fracturing vehicle (3) connected with the current power, comprising:
the method comprises the steps that the current power supply condition is obtained through the estimated power consumption of each coalbed methane fracturing truck (3) in the power supply of the movable rechargeable battery source (1), the current electric quantity and working state of the movable rechargeable battery source (1) and the power supply time required by the movable rechargeable battery source (1), and further future electric quantity information after the power supply time of the movable rechargeable battery source (1) is completed is obtained;
judging whether the future electric quantity information of one movable rechargeable battery source (1) is more than 30% and less than 50% of the total electric quantity of the movable rechargeable battery source according to the future electric quantity information of each movable rechargeable battery source (1), wherein the movable rechargeable battery source (1) is called as the movable rechargeable battery source to be regulated and controlled, if yes
Judging whether future electric quantity information of a movable rechargeable battery source (1) except the movable rechargeable battery source to be regulated is more than 15% and less than 35% of the total electric quantity of the movable rechargeable battery source, wherein the movable rechargeable battery source (1) is called a first chargeable movable rechargeable battery source, and if yes
Acquiring the number of coal bed methane fracturing trucks (3) to be regulated and controlled in power supply by a movable rechargeable battery source, and if the number is 1
Cutting off the connection between a movable chargeable battery source to be regulated and a coalbed methane fracturing truck (3) in the process of supplying power to the movable chargeable battery source to be regulated through a power supply switch (2), and enabling a first loadable movable chargeable battery source to supply power to the coalbed methane fracturing truck (3) which is just cut off;
acquiring the number of coal bed methane fracturing trucks (3) to be regulated and controlled in power supply of a movable rechargeable battery source, and if the number exceeds 1
The connection between the movable chargeable battery source to be regulated and controlled and one of the coalbed methane fracturing trucks (3) in the process of supplying power to the movable chargeable battery source is cut off through a power supply switch (2), and the first loadable movable chargeable battery source is enabled to supply power to the coalbed methane fracturing truck (3) which is just cut off.
8. The energy efficient electrically driven coalbed methane fracturing system according to claim 7, wherein the controller regulates the on/off of each power supply switch (2) according to the current power, the working state and the required power supply time length of each current movable rechargeable battery source (1) and the estimated power consumption of each coalbed methane fracturing vehicle (3) connected with the current power, further comprising:
after the movable rechargeable battery source to be regulated reduces one for supplying power to the coalbed methane fracturing trucks (3), the current power supply condition is obtained again through the estimated power consumption of each coalbed methane fracturing truck (3) in the process of supplying power by the movable rechargeable battery source to be regulated, the current power quantity and working state of the movable rechargeable battery source (1) and the power supply time required by the movable rechargeable battery source, and the future power quantity information of the movable rechargeable battery source (1) after the power supply time is completed is obtained;
if the future electric quantity information of the movable rechargeable battery source to be regulated is not less than 50% of the total electric quantity of the movable rechargeable battery source to be regulated, not continuing to regulate;
if the future electric quantity information of the movable rechargeable battery source to be regulated is less than 50% of the total electric quantity of the battery source, then
Judging whether the future electric quantity information of another movable chargeable battery source (1) is more than 15% and less than 35% of the total electric quantity of the movable chargeable battery source (1), and if so, then
And cutting off the connection between the movable chargeable battery source to be regulated and controlled and one of the coal bed gas fracturing trucks (3) in the process of supplying power to the movable chargeable battery source (1) through a power supply switch (2), and enabling the second loadable movable chargeable battery source to supply power to the coal bed gas fracturing truck (3) which is just cut off.
9. The energy efficient electrically driven coalbed methane fracturing system according to claim 7, wherein the controller regulates the on/off of each power supply switch (2) according to the current power, the working state and the required power supply time length of each current movable rechargeable battery source (1) and the estimated power consumption of each coalbed methane fracturing vehicle (3) connected with the current power, further comprising:
judging whether future electric quantity information of a movable rechargeable battery source (1) is more than 15% of the total electric quantity of the movable rechargeable battery source and less than 35% of the total electric quantity of the movable rechargeable battery source, and if not, ending regulation.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079025A (en) * | 1992-05-21 | 1993-12-01 | 北京市西城区新开通用试验厂 | Is furnished with the power-actuated high-pressure plunger pump of numerical control |
| US20140167656A1 (en) * | 2011-08-30 | 2014-06-19 | Sanyo Electric Co., Ltd. | Battery system, electric vehicle, movable body, power storage device, and power supply device |
| CN106696746A (en) * | 2017-01-19 | 2017-05-24 | 东莞市青鑫新能源有限公司 | Mobile electric vehicle charging system |
| CN209182697U (en) * | 2019-02-28 | 2019-07-30 | 中石化中原石油工程有限公司井下特种作业公司 | A kind of fracturing unit truck monitoring system |
| CN111404283A (en) * | 2020-03-30 | 2020-07-10 | 潘小胜 | Intelligent wireless charging operation mode |
| CN112581185A (en) * | 2020-12-28 | 2021-03-30 | 北京明略软件系统有限公司 | Method, system, computer and storage medium for estimating gender and age of advertisement user |
| US11130422B1 (en) * | 2020-05-13 | 2021-09-28 | Rearden Power LLC | Hybrid battery management system |
| CN116052330A (en) * | 2023-02-08 | 2023-05-02 | 广西冠标科技有限公司 | Method for intelligently popping up charger baby and related device |
-
2023
- 2023-05-29 CN CN202310610360.2A patent/CN116345644B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079025A (en) * | 1992-05-21 | 1993-12-01 | 北京市西城区新开通用试验厂 | Is furnished with the power-actuated high-pressure plunger pump of numerical control |
| US20140167656A1 (en) * | 2011-08-30 | 2014-06-19 | Sanyo Electric Co., Ltd. | Battery system, electric vehicle, movable body, power storage device, and power supply device |
| CN106696746A (en) * | 2017-01-19 | 2017-05-24 | 东莞市青鑫新能源有限公司 | Mobile electric vehicle charging system |
| CN209182697U (en) * | 2019-02-28 | 2019-07-30 | 中石化中原石油工程有限公司井下特种作业公司 | A kind of fracturing unit truck monitoring system |
| CN111404283A (en) * | 2020-03-30 | 2020-07-10 | 潘小胜 | Intelligent wireless charging operation mode |
| US11130422B1 (en) * | 2020-05-13 | 2021-09-28 | Rearden Power LLC | Hybrid battery management system |
| CN112581185A (en) * | 2020-12-28 | 2021-03-30 | 北京明略软件系统有限公司 | Method, system, computer and storage medium for estimating gender and age of advertisement user |
| CN116052330A (en) * | 2023-02-08 | 2023-05-02 | 广西冠标科技有限公司 | Method for intelligently popping up charger baby and related device |
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