CN102882360A - 160KW ultrasonic wave power source - Google Patents
160KW ultrasonic wave power source Download PDFInfo
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- CN102882360A CN102882360A CN2012103373902A CN201210337390A CN102882360A CN 102882360 A CN102882360 A CN 102882360A CN 2012103373902 A CN2012103373902 A CN 2012103373902A CN 201210337390 A CN201210337390 A CN 201210337390A CN 102882360 A CN102882360 A CN 102882360A
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Abstract
The invention discloses a 160KW ultrasonic wave power source, and relates to the technical field of power supplies, in particular to an ultrasonic wave power source for oil recovery of oilfields. According to the 160KW ultrasonic wave power source, an isolated power supply is adopted to provide each component with working power supply mutually isolated; a tablet personal computer is connected with a signal acquisition and pulse width modulation (PWM) signal generation device by a serial communication port; the signal acquisition and PWM signal generation device outputs a PWM driving signal to an insulated gate bipolar translator (IGBT) driving device; the IGBT driving device outputs a driving signal to an IGBT circuit; and the IGBT circuit outputs a power source. The frequency, duty ratio, train ratio and pulse train width of an output PWM pulse are set by the table personal computer and sent to the signal acquisition and PWM signal generation device by the serial communication port; and the table personal computer is further used for judging whether an overheating phenomenon occurs or not according to received various temperature information so as to control the signal acquisition and PWM signal generation device to stop generating a PWM signal to implement protection. The 160KW ultrasonic wave power source is suitable for the technical field of oil recovery of the oilfields.
Description
Technical field
The present invention relates to power technique fields, be specifically related to the ultrasonic power supply that a kind of oil extraction in oil field is used.
Background technology
Progress along with the reach of science and technology. ultrasonic wave is increasingly extensive in the application in the fields such as ultra-sonic welded, ultrasonic cleaning, drying, atomizing, navigation, range finding, breeding.
In the oil extraction in oil field technical field, the application of ultrasonic technology in oil extraction process is also more and more extensive, what commonly use in the oilfield exploitation technology is that the large power supersonic wave technology is realized block clearing and increased oil tech, by sonicated production well, water injection well and nearly well oil reservoir, thereby remove the obstruction of producing well, water injection well, significant for the output and the oil recovery rate that improve the middle and later periods oil well.
Present ultrasonic power supply mostly proportion is followed the tracks of control or power control.This single control method not only can reduce ultrasonic power efficient, and can affect output accuracy and intensity.
Summary of the invention
The present invention is in order to provide a kind of power source that is applicable to ultrahigh-power ultrasonic integrated test oil equipment.
160KW Ultrasonic Power Source of the present invention comprises panel computer, insulating power supply, signals collecting and pwm signal generation device, IGBT drive unit and IGBT circuit, insulating power supply is used to panel computer, signals collecting and pwm signal generation device and IGBT drive unit provide working power, described insulating power supply is returned the DC power supply that the IGBT circuit provides driving, panel computer is connected with signals collecting and pwm signal generation device by communication port, this signals collecting and pwm signal generation device output PWM drive signal to the IGBT drive unit, described IGBT drive unit output drive signal is to the IGBT circuit, described IGBT output power of circuit power supply.
The present invention adopts insulating power supply for each parts provides the working power of mutual isolation, is conducive to the steady operation of each parts, effectively prevents each other interference.
Panel computer is wide for the empty ratio of frequency, duty ratio, group and the impulse train of the pwm pulse of the output of setting, and sends to signals collecting and pwm signal generation device by communication port; This panel computer can also be stored and show the data acquisition information that receives; this panel computer also is used for judging whether to occur superheating phenomenon according to the various temperature informations that receive; and when superheating phenomenon occurring, stop to produce pwm signal by the collection of communication port control signal and pwm signal generation device, to realize protection.
The analog signals that signals collecting and pwm signal generation device are used for gathering sends to panel computer by communication port after converting digital signal to; The empty ratio of frequency, duty ratio, group and the wide control of impulse train that also are used for sending according to panel computer produce corresponding pwm control signal.
The impulse train of described pwm control signal is wide adjustable, and adjustable extent is between 10 milliseconds to 100 milliseconds.
The no pulse time of described pwm control signal is adjustable, and adjustable extent is between 10 milliseconds to 800 milliseconds.
The group of described pwm control signal is empty than adjustable, and adjustable extent is 1:1 ~ 1:8.
Power source of the present invention is a kind of ultrasonic power, its output be pulse signal, the characteristics of the pulse signal of its output are: the some pulses of continuous wave output form a group, and the frequency of the impulse train of this continuous wave output is 18kHz ~ 30kHz, and the whole time width of this burst of pulses is that impulse train is wide; Can the certain interval of time no pulse export after the output a group continuous impulse, this section period is referred to as the no pulse time.Described group is empty than the ratio that is wide time of impulse train and no pulse time
Power source of the present invention can gather the analog quantity of multiple reflection self operating state, such as gathering the analog quantitys such as bridge arm voltage, brachium pontis electric current, heatsink temperature, housing temperature, output transformer temperature, output voltage and output current.
Also be provided with the circuit of output overcurrent protection, environment overheat protector, fin overheat protector, output transformer overheat protector and brachium pontis overvoltage/undervoltage defencive function in the power source of the present invention, can the guaranteed output source can be reliable and stable work.
Power source of the present invention adopts interrupted output continuous impulse group's mode to produce ultrasonic wave, adopts this kind type of drive to drive transducer application in each oil reservoir of oil extraction system, can Effective Raise crude output 45%～55%, improve recovery ratio more than 12%.
Description of drawings
Fig. 1 is the schematic diagram of power source of the present invention; Fig. 2 is the circuit theory diagrams of embodiment two described signals collecting and PWM wave generation device; Fig. 3 is the circuit theory diagrams of embodiment three described IGBT drive units; Fig. 4 is the structural representation of embodiment four described housings.
Execution mode
Embodiment one, the described 160KW Ultrasonic Power Source of present embodiment comprises panel computer, insulating power supply, signals collecting and pwm signal generation device, IGBT drive unit and IGBT circuit, insulating power supply is used to panel computer, signals collecting and pwm signal generation device and IGBT drive unit provide working power, described insulating power supply is returned the DC power supply that the IGBT circuit provides driving, panel computer is connected with signals collecting and pwm signal generation device by communication port, this signals collecting and pwm signal generation device output PWM drive signal to the IGBT drive unit, described IGBT drive unit output drive signal is to the IGBT circuit, described IGBT output power of circuit power supply.
In the present embodiment, adopt the CAN serial communication mode to realize between panel computer and signals collecting and the pwm signal generation device, and then it is reliable to reach the high speed of transfer of data.
Panel computer in the present embodiment is wide for the empty ratio of frequency, duty ratio, group and the impulse train of the pwm pulse of the output of setting, and sends to signals collecting and pwm signal generation device by communication port; This panel computer can also be stored and show the data acquisition information that receives; this panel computer also is used for judging whether to occur superheating phenomenon according to the various temperature informations that receive; and when superheating phenomenon occurring, stop to produce pwm signal by the collection of communication port control signal and pwm signal generation device, to realize protection.
The analog signals that signals collecting and pwm signal generation device are used for gathering sends to panel computer by communication port after converting digital signal to; The empty ratio of frequency, duty ratio, group and the wide control of impulse train that also are used for sending according to panel computer produce corresponding pwm control signal.
The impulse train of the pwm control signal in the present embodiment is wide adjustable, and adjustable extent is between 10 milliseconds to 100 milliseconds.
The no pulse time of the pwm control signal in the present embodiment is adjustable, and adjustable extent is between 10 milliseconds to 800 milliseconds.
The group of the pwm control signal described in the present embodiment is empty than adjustable, and adjustable extent is 1:1 ~ 1:8.
The described power source of present embodiment is a kind of ultrasonic power, its output be pulse signal, the characteristics of the pulse signal of its output are: the some pulses of continuous wave output form a group, the frequency of the impulse train of this continuous wave output is 18kHz ~ 30kHz, and the whole time width of this burst of pulses is that impulse train is wide; Can the certain interval of time no pulse export after the output a group continuous impulse, this section period is referred to as the no pulse time.Described group is empty than the ratio that is wide time of impulse train and no pulse time.
Panel computer in the present embodiment can adopt the PPC of Beijing ancient cooking vessel lift wound-104X panel computer, and this is the high-performance embedded computer of a low-power consumption, and man-machine interface has adopted 10.4 inches TFT TFT True Color LCD, and display resolution reaches 800X600; Use Celeron's 400 processors of extra low voltage, can effectively reduce energy consumption, do not use fan, can steady in a long-term move.Attractive in appearance firm, shock resistance is good, and electromagnetic wave shielding is good.Use WINXPE operating system, good stability is supported directly shutdown.Panel computer operates on it by touch-screen, and is simple and convenient
Embodiment two, present embodiment is that the signals collecting in the embodiment one described 160KW Ultrasonic Power Source and the structure of pwm signal generation device are done further restriction, signals collecting described in the present embodiment and pwm signal generation device comprise supply unit, the platinum resistance sampling unit, the voltage sample unit, the current Hall sampling unit, isolated communication unit and control device, described supply unit is used to the platinum resistance sampling unit, the voltage sample unit, the current Hall sampling unit, isolated communication unit and control device provide working power, described platinum resistance sampling unit is used for gathering the temperature of fin, the surface temperature of transformer and ambient temperature, and described temperature sent to control device; Described voltage sample unit is used for gathering the bridge arm voltage signal of IGBT circuit, and this voltage signal is sent to control device; Described current Hall sampling unit is used for gathering output current, and this electric current is sent to control device; Described isolated communication unit is connected with the serial communication port of control device, and external communication port is provided; Control device output PWM drives signal to the IGBT drive unit.
The isolated communication of control device and outside can be realized in isolated communication unit in the present embodiment.
Collection in the present embodiment and pwm signal generation device are used for realizing the collection of various in-site modeling data-signals, also are used for according to the parameter generating pwm control signal of panel computer by the setting of communication port transmission.
Insulating power supply in the present embodiment is used to different devices to produce the mutually working power of isolation, and then avoids using common power supply that circuit performance is exerted an influence.
Be integrated with analog to digital conversion circuit in the control device in the present embodiment, and then realize that the analog signal conversion that will input becomes the function of digital signal, then carries out various processing and transmission to digital signal.
Embedding in the control device of calculating in the present embodiment has software program, and the data that the serial port that this program adopts the interrupt mode reception to be connected with panel computer sends also adopt interrupt mode to produce pwm control signal.
Platinum resistance sampling unit in the present embodiment be used for to gather fin temperature, transformer surface temperature and ambient temperature and input to control device; control device sends to panel computer with the described data that collect in real time; when panel computer judges that temperature surpasses set point; will transmit control signal by serial port and stop to send pwm control signal to signals collecting and pwm signal generation device; stop power source work, and then realize environment overheat protector, fin overheat protector and output transformer overheat protector.
Current Hall sampling unit Real-time Collection output current in the present embodiment also sends to signals collecting and the pwm signal generation device; described signals collecting and pwm signal generation device send to panel computer in real time with the current information that gathers; panel computer judges whether to occur overcurrent condition according to current data; when overcurrent condition occurring; send control information to signals collecting and pwm signal generation device by communication port; make it stop to produce pwm control signal; stop power source work, and then realize doing the output overcurrent protection.
Voltage sample unit in the present embodiment is used for gathering the bridge arm voltage signal of IGBT circuit; and this voltage signal sent to signals collecting and pwm signal generation device; this signals collecting and pwm signal generation device send to panel computer with the voltage signal that collects in real time; panel computer judges whether described voltage signal is under-voltage; if under-voltage then transmit control signal to signals collecting and pwm signal generation device by communication port; make it stop to export pwm control signal; and then be that power source quits work, realize the protection of brachium pontis overvoltage/undervoltage.
Embodiment three, present embodiment are that the structure of the IGBT circuit in the embodiment one described 160KW Ultrasonic Power Source is done further restriction, IGBT circuit in the present embodiment comprises start-up circuit, rectified three-phase circuit, electric capacity, four IGBT, four resistance and transformer, rectified three-phase circuit is used for the three-phase current rectification of input is obtained DC power supply DC, and start-up circuit is used for the start and stop of control rectified three-phase circuit; The control signal input of this start-up circuit connects the control signal output of described signals collecting and pwm signal generation device; The direct current outlet side of described rectified three-phase circuit is parallel with electric capacity, per two IGBT series connection forms a brachium pontis, two brachium pontis of four IGBT compositions are connected in parallel on the direct current outlet side of described rectified three-phase circuit, the control end of the control end of the upside IGBT of a brachium pontis and the downside IGBT of another brachium pontis is of coupled connections by a pwm control signal output PWM1 of resistance and control device output respectively, the control end of the control end of the downside IBGT of a described brachium pontis and the upside IGBT of described another brachium pontis is of coupled connections by another pwm control signal output PWM2 of resistance and control device output respectively, the central point of described two brachium pontis is connected with the two ends of the armature winding of transformer respectively, and the secondary winding of described transformer is pulse signal output end.
Electric capacity in the present embodiment can adopt thin-film capacitor, and described thin-film capacitor has the advantage of long service life.
The iron core of the transformer in the present embodiment adopts the nanocrystalline iron core of import, and iron core has magnetic core and has the advantages such as high magnetic permeability, high squareness ratio, core loss low and high temperature good stability in this.
IGBT in the present embodiment adopts High Speed I GBT, and for example can adopt model is the IGBT of FF300R12KS4.
Embodiment four, present embodiment is the further restriction to embodiment one to three described 160KW Ultrasonic Power Source, increased housing in the present embodiment, described housing is referring to shown in Figure 4, described housing is rectangular structure, a sidewall at described cuboid adopts radiator structure, at the inboard fixedly high power device of this radiator structure, second employing radiator structure at another sidewall relative with this sidewall, and also be provided with radiator structure in the Lower Half with adjoining two other sidewall of this radiator structure, passage be provided for entering of cold wind.
The described structure of present embodiment is convenient to produce circulation of air in enclosure interior, and then realizes good heat radiation.
Claims (10)
1.160KW Ultrasonic Power Source, it is characterized in that, it comprises panel computer, insulating power supply, signals collecting and pwm signal generation device, IGBT drive unit and IGBT circuit, insulating power supply is used to panel computer, signals collecting and pwm signal generation device and IGBT drive unit provide working power, described insulating power supply is returned the DC power supply that the IGBT circuit provides driving, panel computer is connected with signals collecting and pwm signal generation device by communication port, this signals collecting and pwm signal generation device output PWM drive signal to the IGBT drive unit, described IGBT drive unit output drive signal is to the IGBT circuit, described IGBT output power of circuit power supply.
2. 160KW Ultrasonic Power Source according to claim 1 is characterized in that, adopts the CAN serial communication mode to realize between panel computer and signals collecting and the pwm signal generation device.
3. 160KW Ultrasonic Power Source according to claim 1 is characterized in that, the impulse train of described pwm control signal is wide adjustable, and adjustable extent is between 10 milliseconds to 100 milliseconds.
4. 160KW Ultrasonic Power Source according to claim 1 is characterized in that, the no pulse time of described pwm control signal is adjustable, and adjustable extent is between 10 milliseconds to 800 milliseconds.
5. 160KW Ultrasonic Power Source according to claim 1 is characterized in that, it is characterized in that the group of described pwm control signal is empty than adjustable, and adjustable extent is 1:1 ~ 1:8.
6. 160KW Ultrasonic Power Source according to claim 1, it is characterized in that, described signals collecting and pwm signal generation device comprise supply unit, the platinum resistance sampling unit, the voltage sample unit, the current Hall sampling unit, isolated communication unit and control device, described supply unit is used to the platinum resistance sampling unit, the voltage sample unit, the current Hall sampling unit, isolated communication unit and control device provide working power, described platinum resistance sampling unit is used for gathering the temperature of fin, the surface temperature of transformer and ambient temperature, and described temperature sent to control device; Described voltage sample unit is used for gathering the bridge arm voltage signal of IGBT circuit, and this voltage signal is sent to control device; Described current Hall sampling unit is used for gathering output current, and this electric current is sent to control device; Described isolated communication unit is connected with the serial communication port of control device, and external communication port is provided; Control device output PWM drives signal to the IGBT drive unit.
7. 160KW Ultrasonic Power Source according to claim 1, it is characterized in that, described IGBT circuit comprises start-up circuit, rectified three-phase circuit, electric capacity, four IGBT, four resistance and transformer, rectified three-phase circuit is used for the three-phase current rectification of input is obtained DC power supply DC, and start-up circuit is used for the start and stop of control rectified three-phase circuit; The control signal input of this start-up circuit connects the control signal output of described signals collecting and pwm signal generation device; The direct current outlet side of rectified three-phase circuit is parallel with electric capacity, per two IGBT series connection forms a brachium pontis, two brachium pontis of four IGBT compositions are connected in parallel on the direct current outlet side of described rectified three-phase circuit, the control end of the control end of the upside IGBT of a brachium pontis and the downside IGBT of another brachium pontis is of coupled connections by a pwm control signal output of resistance and control device output respectively, the control end of the control end of the downside IBGT of a described brachium pontis and the upside IGBT of described another brachium pontis is of coupled connections by another pwm control signal output of resistance and control device output respectively, the central point of described two brachium pontis is connected with the two ends of the armature winding of transformer respectively, and the secondary winding of described transformer is pulse signal output end.
8. 160KW Ultrasonic Power Source according to claim 7 is characterized in that, described electric capacity adopts thin-film capacitor.
9. 160KW Ultrasonic Power Source according to claim 7 is characterized in that, the iron core of described transformer adopts the nanocrystalline iron core of import.
10. 160KW Ultrasonic Power Source according to claim 7 is characterized in that, described IGBT adopts High Speed I GBT.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103373902A CN102882360A (en) | 2012-09-13 | 2012-09-13 | 160KW ultrasonic wave power source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103373902A CN102882360A (en) | 2012-09-13 | 2012-09-13 | 160KW ultrasonic wave power source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953322A (en) * | 2014-05-14 | 2014-07-30 | 黑龙江兰德超声科技股份有限公司 | Oil enhancement device of oil field |
| CN105406844A (en) * | 2015-10-22 | 2016-03-16 | 福州瑞芯微电子股份有限公司 | PWM framework supporting input and output modes |
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| CN102039474A (en) * | 2010-12-07 | 2011-05-04 | 上海瑞凌电器有限公司 | Single-tube insulated gate bipolar transistor (IGBT) inverter arc welding machine |
| CN202275295U (en) * | 2011-10-14 | 2012-06-13 | 深圳职业技术学院 | Ultrasonic welding power source system |
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- 2012-09-13 CN CN2012103373902A patent/CN102882360A/en active Pending
Patent Citations (2)
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| CN102039474A (en) * | 2010-12-07 | 2011-05-04 | 上海瑞凌电器有限公司 | Single-tube insulated gate bipolar transistor (IGBT) inverter arc welding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103953322A (en) * | 2014-05-14 | 2014-07-30 | 黑龙江兰德超声科技股份有限公司 | Oil enhancement device of oil field |
| CN105406844A (en) * | 2015-10-22 | 2016-03-16 | 福州瑞芯微电子股份有限公司 | PWM framework supporting input and output modes |
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Application publication date: 20130116 |