CN109441791A - Water injection station double-pump joint control water injection intelligent control system and method - Google Patents

Water injection station double-pump joint control water injection intelligent control system and method Download PDF

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Publication number
CN109441791A
CN109441791A CN201811360390.8A CN201811360390A CN109441791A CN 109441791 A CN109441791 A CN 109441791A CN 201811360390 A CN201811360390 A CN 201811360390A CN 109441791 A CN109441791 A CN 109441791A
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China
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water
control
interface
frequency converter
pump motor
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CN201811360390.8A
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CN109441791B (en
Inventor
冯建设
周志平
薛建强
常振武
王林平
郑刚
程颢
晏耿成
王曼
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Petrochina Co Ltd
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Petrochina Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • F04B49/065Control using electricity and making use of computers
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The invention discloses a water injection station double-pump joint control water injection intelligent control system and a method, which comprises a host, an auxiliary machine, a joint control switch and a water distributor manifold, wherein the host comprises a main controller, a first vector frequency converter, a first water injection pump motor and a first pressure sensor, the main controller is connected with the first vector frequency converter, the first vector frequency converter is respectively connected with the first water injection pump motor and the first pressure sensor, the first water injection pump motor and the first pressure sensor are respectively connected with the water distributor manifold, the auxiliary machine comprises an auxiliary controller, a second vector frequency converter, a second water injection pump motor and a second pressure sensor, the auxiliary controller is connected with the second vector frequency converter, the second vector frequency converter is respectively connected with the second water injection pump motor and the second pressure sensor, the second water injection pump motor and the second pressure sensor are respectively connected with the water distributor manifold, and the joint control switch is respectively connected with the main controller and the auxiliary controller.

Description

A kind of water-injection station double pump joint control water filling intelligence control system and method
Technical field
The invention belongs to oil field flood pattern technical fields more particularly to a kind of water-injection station double pump joint control to fill the water intelligent control System and method realizes water-injection station intelligent control automatic water filling.
Background technique
In oil field development production process, frequently with manually supplementing and keep formation pressure to the method for reservoir water, To improve oil recovery efficiency, it is therefore desirable to which flood pattern keeps stable water injection rate and water injection pressure, and water injection control system is as note The core part of water system, operation stability play very important effect.Water injecting pump is mostly power frequency start and stop and operation at present Control, rush of current is larger on startup for motor in order to prevent, avoids damage water filling mechanical system and hydraulic pipeline system, needs First to water filling loop pressure release, restart water injecting pump, adjusts water injection pressure to target value finally by manual adjustment return valve, it should The problems such as method is there are energy dissipation, water-injection efficiency is low, manual operation danger coefficient is high, manual adjustment pressure is inaccurate
When a water-injection station has multiple water injecting pumps to work at the same time, and has two converting operations, it usually will appear two water injecting pumps Working frequency different situations cause a water filling pump work to run in high-frequency, another is in low frequency operation, low in this way The water filling pump motor of frequency operation is easy fever, motor can be burnt when serious, while also resulting in the waste of electric energy.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of water-injection station double pump joint control water filling intelligence is provided Control system and method overcome in the prior art 1: needing to restart water injecting pump, finally by people first to water filling loop pressure release Work adjusts return valve and adjusts water injection pressure to target value, and this method makes that energy dissipation, water-injection efficiency be low, the dangerous system of manual operation Number is high, manual adjustment pressure is inaccurate;When 2: two converting operations, it usually will appear two water injecting pump working frequencies and do not sympathize with Condition causes a water filling pump work to run in high-frequency, another is in low frequency operation, the water injecting pump of such low-frequency operation Motor is easy fever, and motor can be burnt when serious;3: while the problems such as also result in the waste of electric energy.
In order to solve technical problem, the technical scheme is that a kind of water-injection station double pump joint control fills the water intelligent control system System, including host, slave, integrated control switch and water segregator manifold, the host include master controller, the first vector frequency converter, the One water filling pump motor and first pressure sensor, wherein master controller connects the first vector frequency converter, first vector converter Device is separately connected the first water filling pump motor and first pressure sensor, wherein the first water filling pump motor and first pressure sensor point Not Lian Jie water segregator manifold, the slave includes submaster controller, the second vector frequency converter, the second water filling pump motor and second pressure Sensor, wherein submaster controller connects the second vector frequency converter, and second vector frequency converter is separately connected the second water injecting pump electricity Machine and second pressure sensor, wherein the second water filling pump motor and second pressure sensor are separately connected water segregator manifold, it is described Integrated control switch is separately connected master controller and submaster controller.
Preferably, the host further includes that the first interchanger, the first display and control unit, the first electricity ginseng monitoring unit and first are only Vertical fan, wherein master controller joins monitoring unit and integrated control switch with the first interchanger, the first vector frequency converter, the first electricity respectively Connection, first display and control unit connect the first interchanger, first vector frequency converter be separately connected the first water filling pump motor, First separate fan and first pressure sensor, wherein the first water filling pump motor is separately connected the first separate fan and water segregator pipe It converges, the first pressure sensor connects water segregator manifold.
Preferably, the slave further includes that second switch, the second display and control unit, the second electricity ginseng monitoring unit and second are only Vertical fan, wherein submaster controller joins monitoring unit and integrated control switch with second switch, the second vector frequency converter, the second electricity respectively Connection, second display and control unit connect second switch, second vector frequency converter be separately connected the second water filling pump motor, Second separate fan and second pressure sensor, wherein the second water filling pump motor is separately connected the second separate fan and water segregator pipe It converges, the second pressure sensor connects water segregator manifold.
Preferably, the integrated control switch includes knob, contact and mounting seat, and the knob connects contact and is set to peace Fill pedestal;The master controller and submaster controller include control PC plate, output PC plate, controller housing, point indicator light and External communication interface, wherein master controller and submaster controller controller housing inside include control PC plate and export PC plate, wherein PC plate connection output PC plate is controlled, is equipped with point indicator light and external communication interface outside the controller housing.
Preferably, first interchanger and second switch include that interchanger shell, communication interface RJ45, LED refer to Show lamp, AlarmI/O interface, redundant power I/O interface, wherein interchanger shell be equipped with communication interface RJ45, LED light, AlarmI/O interface and redundant power I/O interface.
Preferably, first display and control unit and the second display and control unit include aobvious control shell, aobvious control screen, touch tablet, Power supply I/O interface, communication interface, wherein aobvious control shell upper surface is equipped with aobvious control screen and touch tablet, wherein aobvious control housing sidewall Equipped with power supply I/O interface and communication interface.
Preferably, the first electricity ginseng monitoring unit and the second electricity ginseng monitoring unit include electricity ginseng monitoring shell, aobvious control Screen, setting key, power supply I/O interface, CTI/O interface, voltage input I/O interface, communication I/O interface, wherein electricity ginseng monitoring Shell upper surface is equipped with aobvious control screen and setting key, wherein electricity ginseng monitoring housing sidewall is equipped with power supply I/O interface, CTI/O connects Mouth, voltage input I/O interface and communication I/O interface.
Preferably, first vector frequency converter and the second vector frequency converter include frequency converter shell, IGBT, power supply PC Plate, control PC plate, driving plate, direct current reactor, capacitor group, rectifier group, radiator fan, input and output I/O interface, control Terminal I/O interface and Keypad display and control panel are wherein equipped with IGBT, power supply PC plate, control PC plate, driving inside frequency converter shell Plate, direct current reactor, capacitor group, rectifier group and radiator fan, wherein IGBT, power supply PC plate, control PC plate, driving plate, Direct current reactor, capacitor group and rectifier group are sequentially connected, and frequency converter shell outer upper ends face is equipped with the aobvious control of Keypad Panel, wherein frequency converter shell exterior side wall is equipped with input and output I/O interface and control terminal I/O interface, and wherein Keypad is aobvious Control panel, input and output I/O interface and control terminal I/O interface are electrically connected control PC plate respectively;The first pressure sensor and Second pressure sensor include mounting seat, sensor housing, display LED, pressure-sensing component, signal output I/O interface, Wherein sensor housing is set to mounting seat upper end, and the pressure-sensing component is set to inside sensor housing, wherein showing Show that LED and signal output I/O interface are set to outside sensor housing, wherein display LED and signal output I/O interface are electric respectively Even pressure-sensing component.
Preferably, a kind of water-injection station double pump joint control as described above fills the water intelligent control method, comprising the following steps:
Step 1 makes water-injection station double pump joint control water filling intelligence control system be powered, and system carries out self-test, if each component fault-free report It is alert to enter preparation open state;
Step 2, after System self-test, the working condition of judgement integrated control switch first is led if integrated control switch is in an off state Machine and slave enter independent operating state;If integrated control switch is in closed state, host and slave enter joint control operating status.
Step 3, when integrated control switch in the closure state, host booting operation, if host running frequency is met or exceeded 50Hz, the first water filling pump motor actual motion pressure is less than set target pressure, and runing time is more than 30min, at this moment master control Device processed, which controls submaster controller by integrated control switch, makes slave Auto Power On, and otherwise system enters host single machine independent operating state;
Step 4, slave booting, system enters double pump joint control state, according to the goal pressure of setting and the first water filling pump motor/ The actual motion pressure of second water filling pump motor automatically adjusts, until the pressure value P of first pressure sensorIt is practicalWith first The goal pressure P of display and control unit settingSettingIt is equal, and the frequency values f of the first vector frequency converter of host1With the second arrow of slave Measure the frequency values f of frequency converter2Equal, system enters steady operational status, it may be assumed thatAnd
Step 5, after system enters steady operational status, if the first vector frequency converter frequency f of host1Less than 40Hz, then First separate fan and the second separate fan are opened, and guarantee that the first water filling pump motor and the second water filling pump motor radiate at low frequency Performance does not reduce, and extends motor service life;
Step 6, when the goal pressure that water-injection station injection allocation is changed or set changes, if the pressure of first pressure sensor Value is greater than the target pressure value of setting, and the frequency values of the first vector frequency converter and the second vector frequency converter are respectively less than 25Hz, this When close slave, into host single machine working condition, system automatic adjustment reaches new steady s tate, avoids the first water injecting pump electric Machine and the second water filling pump motor are not enough burnt in ultralow frequency lower fan heat, it may be assumed thatAnd
Preferably, the host in the step 3, slave booting use vector controlled band pressure soft starting mode at full capacity, starting Time is set as 40s, guarantees specified electricity of the starting maximum current impact less than the first water filling pump motor and the second water filling pump motor Stream.
Compared with the existing technology, the present invention has the advantages that
(1) present invention is in such a way that host controls slave, and according to water filling changed condition, the automatic slave that carries out comes into operation and cuts off, And guarantee that host and slave operate normally and keep identical frequency operation, not only guaranteed that flood pattern energy consumption was minimum, but also avoid two When water injecting pump different frequency is run, the water injection electric excessive heating of low-frequency operation and burn electricity the problems such as, while realizing water-injection station Double pump joint control automatic water filling improves water-injection station automatic controlling level, while realizing flood pattern even running, energy-saving, It is unattended to realize water-injection station automatic water filling;
(2) present invention solves the multiple water filling pump motor work of a water-injection station, when working at the same time there are two vector frequency converter, guarantees Two water filling pump motors are worked with identical frequency coordination, guarantee that frequency conversion system energy consumption is minimum, system optimization, while being had double The independent and single independent 3 kinds of operational modes of pump of joint control, double pump are pumped, are automatically switched;
(3) present invention water filling intelligence control system designs reasonable, structure and is simple and convenient to operate, is at low cost, and substantially increasing work Make efficiency.
Detailed description of the invention
Fig. 1, connection block diagram of the invention;
Fig. 2, process flow chart of the invention.
Description of symbols:
1- host, the first separate fan of 2-, the water filling pump motor of 3- first, the first vector frequency converter of 4-, 5- first pressure sensor, 6- master controller, 7- the first electricity ginseng monitoring unit, the first interchanger of 8-, the first display and control unit of 9-, 10- water segregator manifold, 11- connection Control switch, 12- slave, the second separate fan of 13-, 14- second fill the water pump motor, the second vector frequency converter of 15-, and 16- second is pressed Force snesor, 17- the second electricity ginseng monitoring unit, 18- pair monitor, the second display and control unit of 19-, 20- second switch.
Specific embodiment
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments:
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only to cooperate specification institute The content of announcement is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, The modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the effect of present invention can be generated and institute's energy Under the purpose reached, should all still it fall in the range of disclosed technology contents can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also Only being illustrated convenient for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in nothing Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in Figure 1, the invention discloses a kind of water-injection station double pump joint controls to fill the water intelligence control system, including host 1, slave 12, integrated control switch 11 and water segregator manifold 10, the host 1 include master controller 6, the first vector frequency converter 4, the first water injecting pump Motor 3 and first pressure sensor 5, wherein master controller 6 connects the first vector frequency converter 4, and first vector frequency converter 4 divides Not Lian Jie the first water filling pump motor 3 and first pressure sensor 5, wherein the first water filling pump motor 3 and first pressure sensor 5 are divided Not Lian Jie water segregator manifold 10, the slave 12 include submaster controller 18, the second vector frequency converter 15, second fill the water pump motor 14 With second pressure sensor 16, wherein submaster controller 18 connects the second vector frequency converter 15, and second vector frequency converter 15 divides Not Lian Jie the second water filling pump motor 14 and second pressure sensor 16, wherein the second water filling pump motor 14 and second pressure sensor 16 are separately connected water segregator manifold 10, and the integrated control switch 11 is separately connected master controller 6 and submaster controller 18.
Embodiment 2
As shown in Figure 1, the invention discloses a kind of water-injection station double pump joint controls to fill the water intelligence control system, including host 1, slave 12, integrated control switch 11 and water segregator manifold 10, the host 1 include master controller 6, the first vector frequency converter 4, the first water injecting pump Motor 3 and first pressure sensor 5, wherein master controller 6 connects the first vector frequency converter 4, and first vector frequency converter 4 divides Not Lian Jie the first water filling pump motor 3 and first pressure sensor 5, wherein the first water filling pump motor 3 and first pressure sensor 5 are divided Not Lian Jie water segregator manifold 10, the slave 12 include submaster controller 18, the second vector frequency converter 15, second fill the water pump motor 14 With second pressure sensor 16, wherein submaster controller 18 connects the second vector frequency converter 15, and second vector frequency converter 15 divides Not Lian Jie the second water filling pump motor 14 and second pressure sensor 16, wherein the second water filling pump motor 14 and second pressure sensor 16 are separately connected water segregator manifold 10, and the integrated control switch 11 is separately connected master controller 6 and submaster controller 18.
As shown in Figure 1, it is preferred that the host 1 further includes the first interchanger 8, first display and control unit the 9, first electricity ginseng prison Unit 7 and the first separate fan 2 are controlled, wherein master controller 6 is electric with the first interchanger 8, the first vector frequency converter 4, first respectively Join monitoring unit 7 and integrated control switch 11 connects, first display and control unit 9 connects the first interchanger 8, first vector converter Device 4 is separately connected the first water filling pump motor 3, the first separate fan 2 and first pressure sensor 5, wherein the first water filling pump motor 3 It is separately connected the first separate fan 2 and water segregator manifold 10, the first pressure sensor 5 connects water segregator manifold 10.
Embodiment 3
As shown in Figure 1, the invention discloses a kind of water-injection station double pump joint controls to fill the water intelligence control system, including host 1, slave 12, integrated control switch 11 and water segregator manifold 10, the host 1 include master controller 6, the first vector frequency converter 4, the first water injecting pump Motor 3 and first pressure sensor 5, wherein master controller 6 connects the first vector frequency converter 4, and first vector frequency converter 4 divides Not Lian Jie the first water filling pump motor 3 and first pressure sensor 5, wherein the first water filling pump motor 3 and first pressure sensor 5 are divided Not Lian Jie water segregator manifold 10, the slave 12 include submaster controller 18, the second vector frequency converter 15, second fill the water pump motor 14 With second pressure sensor 16, wherein submaster controller 18 connects the second vector frequency converter 15, and second vector frequency converter 15 divides Not Lian Jie the second water filling pump motor 14 and second pressure sensor 16, wherein the second water filling pump motor 14 and second pressure sensor 16 are separately connected water segregator manifold 10, and the integrated control switch 11 is separately connected master controller 6 and submaster controller 18.
As shown in Figure 1, it is preferred that the host 1 further includes the first interchanger 8, first display and control unit the 9, first electricity ginseng prison Unit 7 and the first separate fan 2 are controlled, wherein master controller 6 is electric with the first interchanger 8, the first vector frequency converter 4, first respectively Join monitoring unit 7 and integrated control switch 11 connects, first display and control unit 9 connects the first interchanger 8, first vector converter Device 4 is separately connected the first water filling pump motor 3, the first separate fan 2 and first pressure sensor 5, wherein the first water filling pump motor 3 It is separately connected the first separate fan 2 and water segregator manifold 10, the first pressure sensor 5 connects water segregator manifold 10.
As shown in Figure 1, it is preferred that the slave 12 further includes second switch 20, second display and control unit the 19, second electricity ginseng Monitoring unit 17 and the second separate fan 13, wherein submaster controller 18 respectively with second switch 20, the second vector frequency converter 15, Second electricity ginseng monitoring unit 17 and integrated control switch 11 connect, and second display and control unit 19 connects second switch 20, and described the Two vector frequency converters 15 are separately connected the second water filling pump motor 14, the second separate fan 13 and second pressure sensor 16, wherein Second water filling pump motor 14 is separately connected the second separate fan 13 and water segregator manifold 10, and the second pressure sensor 16 connects Water segregator manifold 10.
Embodiment 4
As shown in Figure 1, the invention discloses a kind of water-injection station double pump joint controls to fill the water intelligence control system, including host 1, slave 12, integrated control switch 11 and water segregator manifold 10, the host 1 include master controller 6, the first vector frequency converter 4, the first water injecting pump Motor 3 and first pressure sensor 5, wherein master controller 6 connects the first vector frequency converter 4, and first vector frequency converter 4 divides Not Lian Jie the first water filling pump motor 3 and first pressure sensor 5, wherein the first water filling pump motor 3 and first pressure sensor 5 are divided Not Lian Jie water segregator manifold 10, the slave 12 include submaster controller 18, the second vector frequency converter 15, second fill the water pump motor 14 With second pressure sensor 16, wherein submaster controller 18 connects the second vector frequency converter 15, and second vector frequency converter 15 divides Not Lian Jie the second water filling pump motor 14 and second pressure sensor 16, wherein the second water filling pump motor 14 and second pressure sensor 16 are separately connected water segregator manifold 10, and the integrated control switch 11 is separately connected master controller 6 and submaster controller 18.
As shown in Figure 1, it is preferred that the host 1 further includes the first interchanger 8, first display and control unit the 9, first electricity ginseng prison Unit 7 and the first separate fan 2 are controlled, wherein master controller 6 is electric with the first interchanger 8, the first vector frequency converter 4, first respectively Join monitoring unit 7 and integrated control switch 11 connects, first display and control unit 9 connects the first interchanger 8, first vector converter Device 4 is separately connected the first water filling pump motor 3, the first separate fan 2 and first pressure sensor 5, wherein the first water filling pump motor 3 It is separately connected the first separate fan 2 and water segregator manifold 10, the first pressure sensor 5 connects water segregator manifold 10.
As shown in Figure 1, it is preferred that the slave 12 further includes second switch 20, second display and control unit the 19, second electricity ginseng Monitoring unit 17 and the second separate fan 13, wherein submaster controller 18 respectively with second switch 20, the second vector frequency converter 15, Second electricity ginseng monitoring unit 17 and integrated control switch 11 connect, and second display and control unit 19 connects second switch 20, and described the Two vector frequency converters 15 are separately connected the second water filling pump motor 14, the second separate fan 13 and second pressure sensor 16, wherein Second water filling pump motor 14 is separately connected the second separate fan 13 and water segregator manifold 10, and the second pressure sensor 16 connects Water segregator manifold 10.
Preferably, the integrated control switch 11 includes knob, contact and mounting seat, and the knob connects contact and is set to Mounting seat;The master controller 6 and submaster controller 18 include control PC plate, output PC plate, controller housing, point instruction Lamp and external communication interface include wherein control PC plate and output PC inside 18 controller housing of master controller 6 and submaster controller Plate, wherein control PC plate connection output PC plate, the controller housing outside is equipped with point indicator light and external communication interface.
Preferably, first interchanger 8 and second switch 20 include interchanger shell, communication interface RJ45, LED Indicator light, AlarmI/O interface, redundant power I/O interface, wherein interchanger shell be equipped with communication interface RJ45, LED light, AlarmI/O interface and redundant power I/O interface.
Preferably, first display and control unit 9 and the second display and control unit 19 include aobvious control shell, aobvious control screen, touch Plate, power supply I/O interface, communication interface, wherein aobvious control shell upper surface is equipped with aobvious control screen and touch tablet, wherein aobvious control shell side Wall is equipped with power supply I/O interface and communication interface.
Preferably, it includes electricity ginseng monitoring shell that the first electricity ginseng monitoring unit 7 and the second electricity, which join monitoring unit 17, is shown Screen, setting key, power supply I/O interface, CTI/O interface, voltage input I/O interface, communication I/O interface are controlled, wherein electricity ginseng prison It controls shell upper surface and is equipped with aobvious control screen and setting key, wherein electricity ginseng monitoring housing sidewall is equipped with power supply I/O interface, CTI/O Interface, voltage input I/O interface and communication I/O interface.
Preferably, first vector frequency converter 4 and the second vector frequency converter 15 include frequency converter shell, IGBT, electricity Source PC plate, control PC plate, driving plate, direct current reactor, capacitor group, rectifier group, radiator fan, input and output I/O interface, Control terminal I/O interface and Keypad display and control panel, be wherein equipped with inside frequency converter shell IGBT, power supply PC plate, control PC plate, Driving plate, direct current reactor, capacitor group, rectifier group and radiator fan, wherein IGBT, power supply PC plate, control PC plate, driving Plate, direct current reactor, capacitor group and rectifier group are sequentially connected, and frequency converter shell outer upper ends face is aobvious equipped with Keypad Panel is controlled, wherein frequency converter shell exterior side wall is equipped with input and output I/O interface and control terminal I/O interface, wherein Keypad Display and control panel, input and output I/O interface and control terminal I/O interface are electrically connected control PC plate respectively;The first pressure sensor 5 It include mounting seat, sensor housing, display LED, pressure-sensing component, signal output I/O with second pressure sensor 16 Interface, wherein sensor housing is set to mounting seat upper end, and the pressure-sensing component is set to inside sensor housing, Middle display LED and signal output I/O interface are set to outside sensor housing, wherein display LED and signal output I/O interface point Be not electrically connected pressure-sensing component.
Embodiment 5
As shown in Figure 1, the invention discloses a kind of water-injection station double pump joint controls to fill the water intelligence control system, including host 1, slave 12, integrated control switch 11 and water segregator manifold 10, the host 1 include master controller 6, the first vector frequency converter 4, the first water injecting pump Motor 3 and first pressure sensor 5, wherein master controller 6 connects the first vector frequency converter 4, and first vector frequency converter 4 divides Not Lian Jie the first water filling pump motor 3 and first pressure sensor 5, wherein the first water filling pump motor 3 and first pressure sensor 5 are divided Not Lian Jie water segregator manifold 10, the slave 12 include submaster controller 18, the second vector frequency converter 15, second fill the water pump motor 14 With second pressure sensor 16, wherein submaster controller 18 connects the second vector frequency converter 15, and second vector frequency converter 15 divides Not Lian Jie the second water filling pump motor 14 and second pressure sensor 16, wherein the second water filling pump motor 14 and second pressure sensor 16 are separately connected water segregator manifold 10, and the integrated control switch 11 is separately connected master controller 6 and submaster controller 18.
As shown in Figure 1, it is preferred that the host 1 further includes the first interchanger 8, first display and control unit the 9, first electricity ginseng prison Unit 7 and the first separate fan 2 are controlled, wherein master controller 6 is electric with the first interchanger 8, the first vector frequency converter 4, first respectively Join monitoring unit 7 and integrated control switch 11 connects, first display and control unit 9 connects the first interchanger 8, first vector converter Device 4 is separately connected the first water filling pump motor 3, the first separate fan 2 and first pressure sensor 5, wherein the first water filling pump motor 3 It is separately connected the first separate fan 2 and water segregator manifold 10, the first pressure sensor 5 connects water segregator manifold 10.
As shown in Figure 1, it is preferred that the slave 12 further includes second switch 20, second display and control unit the 19, second electricity ginseng Monitoring unit 17 and the second separate fan 13, wherein submaster controller 18 respectively with second switch 20, the second vector frequency converter 15, Second electricity ginseng monitoring unit 17 and integrated control switch 11 connect, and second display and control unit 19 connects second switch 20, and described the Two vector frequency converters 15 are separately connected the second water filling pump motor 14, the second separate fan 13 and second pressure sensor 16, wherein Second water filling pump motor 14 is separately connected the second separate fan 13 and water segregator manifold 10, and the second pressure sensor 16 connects Water segregator manifold 10.
Preferably, the integrated control switch 11 includes knob, contact and mounting seat, and the knob connects contact and is set to Mounting seat;The master controller 6 and submaster controller 18 include control PC plate, output PC plate, controller housing, point instruction Lamp and external communication interface include wherein control PC plate and output PC inside 18 controller housing of master controller 6 and submaster controller Plate, wherein control PC plate connection output PC plate, the controller housing outside is equipped with point indicator light and external communication interface.
Preferably, first interchanger 8 and second switch 20 include interchanger shell, communication interface RJ45, LED Indicator light, AlarmI/O interface, redundant power I/O interface, wherein interchanger shell be equipped with communication interface RJ45, LED light, AlarmI/O interface and redundant power I/O interface.
Preferably, first display and control unit 9 and the second display and control unit 19 include aobvious control shell, aobvious control screen, touch Plate, power supply I/O interface, communication interface, wherein aobvious control shell upper surface is equipped with aobvious control screen and touch tablet, wherein aobvious control shell side Wall is equipped with power supply I/O interface and communication interface.
Preferably, it includes electricity ginseng monitoring shell that the first electricity ginseng monitoring unit 7 and the second electricity, which join monitoring unit 17, is shown Screen, setting key, power supply I/O interface, CTI/O interface, voltage input I/O interface, communication I/O interface are controlled, wherein electricity ginseng prison It controls shell upper surface and is equipped with aobvious control screen and setting key, wherein electricity ginseng monitoring housing sidewall is equipped with power supply I/O interface, CTI/O Interface, voltage input I/O interface and communication I/O interface.
Preferably, first vector frequency converter 4 and the second vector frequency converter 15 include frequency converter shell, IGBT, electricity Source PC plate, control PC plate, driving plate, direct current reactor, capacitor group, rectifier group, radiator fan, input and output I/O interface, Control terminal I/O interface and Keypad display and control panel, be wherein equipped with inside frequency converter shell IGBT, power supply PC plate, control PC plate, Driving plate, direct current reactor, capacitor group, rectifier group and radiator fan, wherein IGBT, power supply PC plate, control PC plate, driving Plate, direct current reactor, capacitor group and rectifier group are sequentially connected, and frequency converter shell outer upper ends face is aobvious equipped with Keypad Panel is controlled, wherein frequency converter shell exterior side wall is equipped with input and output I/O interface and control terminal I/O interface, wherein Keypad Display and control panel, input and output I/O interface and control terminal I/O interface are electrically connected control PC plate respectively;The first pressure sensor 5 It include mounting seat, sensor housing, display LED, pressure-sensing component, signal output I/O with second pressure sensor 16 Interface, wherein sensor housing is set to mounting seat upper end, and the pressure-sensing component is set to inside sensor housing, Middle display LED and signal output I/O interface are set to outside sensor housing, wherein display LED and signal output I/O interface point Be not electrically connected pressure-sensing component.
As shown in Figure 1 and 2, the invention discloses a kind of water-injection station double pump joint controls as described above to fill the water intelligent control method, The following steps are included:
Step 1 makes water-injection station double pump joint control water filling intelligence control system be powered, and system carries out self-test, if each component fault-free report It is alert to enter preparation open state;
Step 2 after System self-test, determines the working condition of integrated control switch 11 first, if integrated control switch 11 is in an off state, Then host 1 and slave 12 enter independent operating state;If integrated control switch 11 is in closed state, host 1 and slave 12 enter Joint control operating status.
Step 3, when integrated control switch 11 in the closure state, host 1 booting operation, if 1 running frequency of host reach or More than 50Hz, the first water filling 3 actual motion pressure of pump motor is less than set target pressure, and runing time is more than 30min, at this moment Master controller 6, which controls submaster controller 18 by integrated control switch 11, makes 12 Auto Power On of slave, and otherwise it is only to enter 1 single machine of host for system Vertical operating status;
Step 4, slave 12 are switched on, and system enters double pump joint control state, according to the goal pressure of setting and the first water filling pump motor The actual motion pressure of 3/ second water filling pump motor 14 automatically adjusts, until the pressure value P of first pressure sensor 5It is practicalWith The goal pressure P of first display and control unit 9 settingSettingIt is equal, and the frequency values f of the first vector frequency converter 4 of host 11With slave 12 The second vector frequency converter 15 frequency values f2Equal, system enters steady operational status, it may be assumed thatAnd
Step 5, after system enters steady operational status, if the 4 frequency f of the first vector frequency converter of host 11Less than 40Hz, Then the first separate fan 2 and the second separate fan 13 are opened, and guarantee the first water filling pump motor 3 and the second water filling pump motor 14 low The lower heat dissipation performance of frequency does not reduce, and extends motor service life;
Step 6, when the goal pressure that water-injection station injection allocation is changed or set changes, if the pressure of first pressure sensor 5 Value is greater than the target pressure value of setting, and the frequency values of the first vector frequency converter 4 and the second vector frequency converter 15 are respectively less than 25Hz, Slave 12 is closed at this time, and into 1 single machine working condition of host, system automatic adjustment reaches new steady s tate, avoids the first note Pump motor 3 and the second water filling pump motor 14 are not enough burnt in ultralow frequency lower fan heat, it may be assumed thatAnd
Preferably, the host 1 in the step 3, the booting of slave 12 use vector controlled band pressure soft starting mode at full capacity, The starting time is set as 40s, guarantees the impact of starting maximum current less than the first water filling pump motor 3 and the second water filling pump motor 14 Rated current.
The control switch of the integrated control switch 11 functioned as whether linkage function is opened.
The effect of the master controller 6 and submaster controller 18 is the acquisition for completing peripheral signal, water filling pump motor start and stop Control, water injecting pump electric motor starting/running protection, linkage control order generate and execute.
The effect of the interchanger is to complete major-minor controller 18 to transmit with the data between display and control unit, dock oil field number Change platform communication interface.
The effect of the display and control unit be the monitoring for realizing live water injecting pump motor process parameter, the setting of control parameter, The storage of warning message.
The effect of the electricity ginseng monitoring unit is to realize the measurement of scene water filling pump motor electrical parameter, and electrical parameter is main There are voltage, electric current, electric flux, function because of, power etc., in addition sends the real value of the electricity of measurement at master/slave controller 18 to Reason, for remotely storing, monitoring.
The effect of the vector frequency converter is to realize that the band of scene water filling pump motor carries starting, pressure stabilizing water-filling function.
The effect of the pressure sensor is to realize the real-time pressure detection of water filling main pipe, and by 0 ~ 25Mpa of real-time pressure The current signal for being converted to 4 ~ 20Mpa send master/slave controller 18 to, do pressure control, system protection use.
Working principle of the present invention is as follows:
The present invention has the operation of double pump joint control, double pump independent operating and single pump 3 kinds of operational modes of independent operating, when integrated control switch 11 When being in an off state, system is in double pump independent operation mode;When 11 closed state of integrated control switch, system is in double pump connection Control mode;When one of pump is closed, another pump is in independent operating state, controls slave 12 using host 1 and runs Linkage control mode, when integrated control switch 11 in the closure state, the frequency signal of the second vector frequency converter 15 of slave 12, The signal of second pressure sensor 16 is controlled by the first vector frequency converter 4 of host 1 and the signal of first pressure sensor 5, By the first vector converter whether the operation of the first separate fan 2, the second separate fan 13 in water-injection station double pump joint control intelligence system The running frequency decision of device 4, the second vector frequency converter 15, when running frequency is lower than 40Hz, the first separate fan 2, second is solely Vertical fan 13 brings into operation, and not only ensure that the good heat dissipation performance of water filling pump motor in this way, but also reaches energy-efficient purpose.
The present invention is in such a way that host 1 controls slave 12, according to water filling changed condition, it is automatic carry out slave 12 come into operation and Excision, and guarantee that host 1 and slave 12 operate normally and keep identical frequency operation, not only guaranteed that flood pattern energy consumption was minimum, but also When avoiding the operation of two water injecting pump different frequencies, the water injection electric excessive heating of low-frequency operation and burn electricity the problems such as, while it is real Existing water-injection station double pump joint control automatic water filling, improves water-injection station automatic controlling level, while realizing flood pattern even running, saves It can lower consumption, it is unattended to realize water-injection station automatic water filling.
The present invention solves the multiple water filling pump motor work of a water-injection station, when working at the same time there are two vector frequency converter, protects It demonstrate,proves two water filling pump motors to work with identical frequency coordination, guarantees that frequency conversion system energy consumption is minimum, system optimization;Have simultaneously The independent and single independent 3 kinds of operational modes of pump of double pump joint control, double pump, are automatically switched;The present invention fills the water intelligence control system and sets Meter is reasonable, structure is simple and convenient to operate, is at low cost, and greatly improving work efficiency.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention It makes a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not It is limited to specific embodiment, the scope of the present invention is defined by the following claims.

Claims (10)

1. a kind of water-injection station double pump joint control fills the water intelligence control system, it is characterised in that: including host, slave, integrated control switch and Water segregator manifold, the host include master controller, the first vector frequency converter, the first water filling pump motor and first pressure sensing Device, wherein master controller connect the first vector frequency converter, first vector frequency converter be separately connected the first water filling pump motor and First pressure sensor, wherein the first water filling pump motor and first pressure sensor are separately connected water segregator manifold, the slave Including submaster controller, the second vector frequency converter, the second water filling pump motor and second pressure sensor, wherein submaster controller connection the Two vector frequency converters, second vector frequency converter are separately connected the second water filling pump motor and second pressure sensor, wherein the Two water filling pump motors and second pressure sensor are separately connected water segregator manifold, the integrated control switch be separately connected master controller and Submaster controller.
2. a kind of water-injection station double pump joint control according to claim 1 fills the water intelligence control system, it is characterised in that: the master Machine further includes the first interchanger, the first display and control unit, the first electricity ginseng monitoring unit and the first separate fan, and wherein master controller divides It is not connect with the first interchanger, the first vector frequency converter, the first electricity ginseng monitoring unit and integrated control switch, first display and control unit The first interchanger is connected, first vector frequency converter is separately connected the first water filling pump motor, the first separate fan and the first pressure Force snesor, wherein the first water filling pump motor is separately connected the first separate fan and water segregator manifold, the first pressure sensing Device connects water segregator manifold.
3. a kind of water-injection station double pump joint control according to claim 2 fills the water intelligence control system, it is characterised in that: the pair Machine further includes second switch, the second display and control unit, the second electricity ginseng monitoring unit and the second separate fan, and wherein submaster controller divides It is not connect with second switch, the second vector frequency converter, the second electricity ginseng monitoring unit and integrated control switch, second display and control unit Second switch is connected, second vector frequency converter is separately connected the second water filling pump motor, the second separate fan and the second pressure Force snesor, wherein the second water filling pump motor is separately connected the second separate fan and water segregator manifold, the second pressure sensing Device connects water segregator manifold.
4. a kind of water-injection station double pump joint control according to claim 3 fills the water intelligence control system, it is characterised in that: described Control switch includes knob, contact and mounting seat, and the knob connects contact and is set to mounting seat;The master controller and Submaster controller includes control PC plate, output PC plate, controller housing, point indicator light and external communication interface, wherein master control Including control PC plate and output PC plate inside device and submaster controller controller housing processed, wherein control PC plate connects output PC plate, Point indicator light and external communication interface are equipped with outside the controller housing.
5. a kind of water-injection station double pump joint control according to claim 3 fills the water intelligence control system, it is characterised in that: described the One interchanger and second switch include interchanger shell, communication interface RJ45, LED light, AlarmI/O interface, redundancy Power supply I/O interface, wherein interchanger shell is equipped with communication interface RJ45, LED light, AlarmI/O interface and redundant power I/ O Interface.
6. a kind of water-injection station double pump joint control according to claim 3 fills the water intelligence control system, it is characterised in that: described the One display and control unit and the second display and control unit include aobvious control shell, show control screen, touch tablet, power supply I/O interface, communication interface, It wherein shows control shell upper surface and is equipped with aobvious control screen and touch tablet, wherein aobvious control housing sidewall is equipped with power supply I/O interface and communication Interface.
7. a kind of water-injection station double pump joint control according to claim 3 fills the water intelligence control system, it is characterised in that: described the One electricity ginseng monitoring unit and the second electricity ginseng monitoring unit include electricity ginseng monitoring shell, aobvious control screen, setting key, power supply I/O Interface, CTI/O interface, voltage input I/O interface, communication I/O interface, wherein electricity ginseng monitoring shell upper surface is equipped with aobvious control screen With setting key, wherein electricity ginseng monitoring housing sidewall is equipped with power supply I/O interface, CTI/O interface, voltage input I/O interface and logical Interrogate I/O interface.
8. a kind of water-injection station double pump joint control according to claim 3 fills the water intelligence control system, it is characterised in that: described the One vector frequency converter and the second vector frequency converter include frequency converter shell, IGBT, power supply PC plate, control PC plate, driving plate, straight It is aobvious to flow reactor, capacitor group, rectifier group, radiator fan, input and output I/O interface, control terminal I/O interface and Keypad Panel is controlled, IGBT, power supply PC plate, control PC plate, driving plate, direct current reactor, capacitor are wherein equipped with inside frequency converter shell Group, rectifier group and radiator fan, wherein IGBT, power supply PC plate, control PC plate, driving plate, direct current reactor, capacitor group and Rectifier group is sequentially connected, and frequency converter shell outer upper ends face is equipped with Keypad display and control panel, wherein outside frequency converter shell Portion's side wall is equipped with input and output I/O interface and control terminal I/O interface, wherein Keypad display and control panel, input and output I/O interface It is electrically connected respectively with control terminal I/O interface and controls PC plate;The first pressure sensor and second pressure sensor include peace It fills pedestal, sensor housing, display LED, pressure-sensing component, signal and exports I/O interface, wherein sensor housing is set to peace Pedestal upper end is filled, the pressure-sensing component is set to inside sensor housing, wherein display LED and signal export I/O interface It is set to outside sensor housing, the pressure-sensing component wherein display LED and signal output I/O interface are electrically connected respectively.
9. a kind of water-injection station double pump joint control as claimed in claim 3 fills the water intelligent control method, which is characterized in that including following Step:
Step 1 makes water-injection station double pump joint control water filling intelligence control system be powered, and system carries out self-test, if each component fault-free report It is alert to enter preparation open state;
Step 2, after System self-test, the working condition of judgement integrated control switch first is led if integrated control switch is in an off state Machine and slave enter independent operating state;If integrated control switch is in closed state, host and slave enter joint control operating status;
Step 3, when integrated control switch in the closure state, host booting operation, if host running frequency is met or exceeded 50Hz, the first water filling pump motor actual motion pressure is less than set target pressure, and runing time is more than 30min, at this moment master control Device processed, which controls submaster controller by integrated control switch, makes slave Auto Power On, and otherwise system enters host single machine independent operating state;
Step 4, slave booting, system enters double pump joint control state, according to the goal pressure of setting and the first water filling pump motor/ The actual motion pressure of second water filling pump motor automatically adjusts, until the pressure value P of first pressure sensorIt is practicalWith first The goal pressure P of display and control unit settingSettingIt is equal, and the frequency values f of the first vector frequency converter of host1With the second arrow of slave Measure the frequency values f of frequency converter2Equal, system enters steady operational status, it may be assumed thatAnd
Step 5, after system enters steady operational status, if the first vector frequency converter frequency f of host1Less than 40Hz, then First separate fan and the second separate fan are opened, and guarantee that the first water filling pump motor and the second water filling pump motor radiate at low frequency Performance does not reduce, and extends motor service life;
Step 6, when the goal pressure that water-injection station injection allocation is changed or set changes, if the pressure of first pressure sensor Value is greater than the target pressure value of setting, and the frequency values of the first vector frequency converter and the second vector frequency converter are respectively less than 25Hz, this When close slave, into host single machine working condition, system automatic adjustment reaches new steady s tate, avoids the first water injecting pump electric Machine and the second water filling pump motor are not enough burnt in ultralow frequency lower fan heat, it may be assumed thatAnd
10. a kind of water-injection station double pump joint control according to claim 9 fills the water intelligent control method, it is characterised in that: described Soft starting mode, starting time are set as 40s at full capacity using vector controlled band pressure for host, slave booting in step 3, Guarantee rated current of the starting maximum current impact less than the first water filling pump motor and the second water filling pump motor.
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