CN204068810U - Thing connection intelligent oil pumping machine electricity-saving protection controller - Google Patents
Thing connection intelligent oil pumping machine electricity-saving protection controller Download PDFInfo
- Publication number
- CN204068810U CN204068810U CN201420132045.XU CN201420132045U CN204068810U CN 204068810 U CN204068810 U CN 204068810U CN 201420132045 U CN201420132045 U CN 201420132045U CN 204068810 U CN204068810 U CN 204068810U
- Authority
- CN
- China
- Prior art keywords
- phase
- processing unit
- data processing
- group
- harmonic wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 37
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a kind of thing connection intelligent oil pumping machine electricity-saving protection controller, comprises three phase mains, harmonic wave free frequency-conversion device, data acquisition unit, central data processing unit, transducer, A/D converter, communication module, the Internet, PC Surveillance center and mobile device; Three phase mains, harmonic wave free frequency-conversion device and oil pumper connect and compose major loop successively; The input of data acquisition module connects three phase mains, exports termination central data processing unit; The output of oil pumper is provided with transducer, and the output of transducer connects central data processing unit by A/D converter; Central data processing unit connects harmonic wave free frequency-conversion device; Central data processing unit is by communication module connecting Internet, and PC Surveillance center and mobile device are by wired or wireless mode connecting Internet.The utility model structure is simple, and can effective harmonic inhabitation, and reduction harmonic wave is on the impact of motor.
Description
[technical field]
The utility model relates to electricity-saving protection technical field, particularly a kind of oil pumper electricity-saving protection controller.
[background technology]
Oil pumper is a kind of constant torque load, and the feature of constant torque load is, the size of load torque is only relevant with the weight of load, and has nothing to do with rotating speed size, and its power is directly proportional to rotating speed.
To oil pumper, the shortcoming of existing energy-conserving control technology:
1, have side effects while energy-conservation: the most single use frequency converter of existing Energy Saving Control, and frequency converter is while energy-conservation to motor load, can produce a large amount of harmonic waves again.This harmonic wave is a kind of harmful electric energy, causes the operating temperature excessive heating of motor, insulation premature aging, reduced lifetime, and maintenance frequency and expense strengthen.And the normal table that this harmonic wave can have a strong impact on precision instrument and intelligent control system runs, and even makes its misoperation and the generation that causes the accident.
2, can not based on the Internet remote monitoring: the on-the-spot operation by switching manipulation motor and stopping, taking people, effort, time-consuming, even miss an opportunity because of a delay and the generation that causes the accident when fault alarm.
[utility model content]
The purpose of this utility model is, provides a kind of thing to join intelligent oil pumping machine electricity-saving protection controller, is carrying out on the basis of Energy Saving Control to motor, reduces harmonic wave to the impact of motor.
To achieve these goals, the utility model adopts following technical scheme:
A kind of thing connection intelligent oil pumping machine electricity-saving protection controller, comprises three phase mains, harmonic wave free frequency-conversion device, data acquisition unit, central data processing unit, transducer, A/D converter, communication module, the Internet, PC Surveillance center and mobile device;
Three phase mains, harmonic wave free frequency-conversion device and oil pumper connect and compose major loop successively;
The input of data acquisition module connects three phase mains, exports termination central data processing unit; The output of oil pumper is provided with transducer, and the output of transducer connects central data processing unit by A/D converter; Central data processing unit connects harmonic wave free frequency-conversion device; Central data processing unit is by communication module connecting Internet, and PC Surveillance center and mobile device are by wired or wireless mode connecting Internet.
The utility model further improves and is: in harmonic wave free frequency-conversion device, three phase mains is through the primary side being accessed phase shifting transformer after shielding magnet ring by star connection, the secondary side of phase shifting transformer is provided with four windings, comprise one group export winding that AC220V powers as harmonic wave free frequency-conversion installation's power source, three groups export the three-phase windings of AC380V; In three groups of three-phase windings, first group of three-phase windings adopts extend-triangle connection, and second group of three-phase windings is star connection, and the 3rd group of three-phase windings adopts extend-triangle connection; First group of three-phase windings connects the first three-phase bridge rectifier, the first pi type filter and the first power inversion circuit successively; Second group of three-phase windings connects the second three-phase bridge rectifier, the second pi type filter and the second power inversion circuit successively; 3rd group of three-phase windings connects the 3rd three-phase bridge rectifier, the 3rd pi type filter and the 3rd power inversion circuit successively; First power inversion circuit, the second power inversion circuit are connected oil pumper with after the corresponding parallel connection of the three-phase output end of the 3rd power inversion circuit, provide electric energy to oil pumper.
The utility model further improves and is: described three phase mains is 380 volts of AC power.
The utility model further improves and is: the carrier phase shift of first group of three-phase windings, second group of three-phase windings and the 3rd group of three-phase windings is 20 °, 0 ° ,-20 °.
The utility model further improves and is: be provided with the first resistance being in series with and being with shorting switch between the first three-phase bridge rectifier and the first pi type filter; The second resistance being in series with band shorting switch is provided with between second three-phase bridge rectifier and the second pi type filter; The 3rd resistance being in series with band shorting switch is provided with between 3rd three-phase bridge rectifier and the 3rd pi type filter.
This thing connection intelligent oil pumping machine electricity-saving protection controller, can make motor be with such load, energy-efficient, electric energy is administered, ethernet communication (PC Surveillance center) or GPRS communication (mobile device) control motor run or stop, energy on-line metering monitors.
Relative to prior art, the utility model has following beneficial effect:
In the utility model, harmonic wave free frequency-conversion apparatus structure is simple, and can effective harmonic inhabitation, and reduction harmonic wave is on the impact of motor.The utility model can effectively energy-conservation while, integrated energy on-line metering monitoring system, is convenient to remote monitoring.
The utility model adopts pi type filter, and its structure is serially connected between capacitance energy storage for adopting large inductance coil, reduces may occurring of voltage jump and current break, to the impact of the bent change of waveform that rectifier power source brings.Bulky capacitor energy storage simultaneously fully meets the requirement of inverter circuit required voltage, and large inductance produces the sudden change of electric current when immediate current changes and hinders.The harmonic wave that effective elimination brings to main circuit due to inversion produces.
Innovative point of the present utility model is also, inversion three groups of three-phase power supply parallels export operational mode, and the generation of effective harmonic carcellation, provides level and smooth just profound alternating voltage waveform and enough current sources to out-put supply better; Reduce the deficiency of the electric current that the current capacity of device and parts selection exist, thus the demand of low-voltage variable frequency in high-power expansion can be expanded; Efficiently solve some areas and cannot adopt high-pressure frequency-conversion and the problem changing low-voltage variable frequency into.
[accompanying drawing explanation]
Fig. 1 is the structured flowchart of utility model;
Fig. 2 is the circuit diagram of harmonic wave free frequency-conversion device in the utility model.
[embodiment]
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Refer to shown in Fig. 1 and Fig. 2; a kind of thing connection of the utility model intelligent oil pumping machine electricity-saving protection controller, comprises three phase mains, harmonic wave free frequency-conversion device, data acquisition unit, central data processing unit, oil pumper, transducer, A/D converter, communication module, the Internet, PC Surveillance center and mobile device.
Three phase mains, harmonic wave free frequency-conversion device and electric oil pumper connect and compose major loop successively.The input of data acquisition module connects three phase mains, exports termination central data processing unit; The output of oil pumper is provided with transducer, and the output of transducer connects central data processing unit by A/D converter; Central data processing unit connects harmonic wave free frequency-conversion device.The Internet connects central processing unit by communication module, and PC Surveillance center and mobile device are by wired or wireless mode connecting Internet.
The main circuit form of universal frequency converter is generally made up of three parts: rectifying part, Converting Unit and intermediate dc filtering part.Rectifying part is the uncontrollable rectifier of three-phase bridge, low voltage frequency converter rectifying part often adopts the uncontrollable bridge rectifier of 6 pulse diode, median filter part adopts bulky capacitor as filter element, and the input current of rectifier is actually the charging current of capacitor, and its harmonic component is larger.The general frequency converter not doing harmonic pollution process, the total harmonic pollution of its electrical network is generally about 50 ~ 70%.Even if to increase exchanges reactor at input, harmonic index about can decline about 3% ~ 10%, still has a long way to go with the harmonics restraint standard required by country.
Refer to shown in Fig. 2, in the utility model harmonic wave free frequency-conversion device, three-phase 380V AC power is through the primary side being accessed phase shifting transformer after shielding magnet ring by star connection, the secondary side of phase shifting transformer is provided with three groups of three-phase windings, first group of three-phase windings is extend-triangle connection, second-phase winding is star connection, and third phase winding is extend-triangle connection; First group of three-phase windings connects the first three-phase bridge rectifier, the first pi type filter and the first power inversion circuit successively; Second group of three-phase windings connects the second three-phase bridge rectifier, the second pi type filter and the second power inversion circuit successively; 3rd group of three-phase windings connects the 3rd three-phase bridge rectifier, the 3rd pi type filter and the 3rd power inversion circuit successively.First power inversion circuit, the second power inversion circuit are connected oil pumper with after the corresponding parallel connection of the three-phase output end of the 3rd power inversion circuit, provide electric energy to oil pumper.
The first resistance being in series with and being with shorting switch is provided with between first three-phase bridge rectifier and the first pi type filter; The second resistance being in series with band shorting switch is provided with between second three-phase bridge rectifier and the second pi type filter; The 3rd resistance being in series with band shorting switch is provided with, the protection to capacitance group when being energized for harmonic wave free frequency-conversion device between 3rd three-phase bridge rectifier and the 3rd pi type filter.
Adopt pi type filter, its structure is serially connected between capacitance energy storage for adopting inductance coil, reduces may occurring of voltage jump and current break, to the impact of the bent change of waveform that rectifier power source brings.Capacitance energy storage fully meets the requirement of inverter circuit required voltage simultaneously, and large inductance produces the sudden change of electric current when immediate current changes and hinders.The harmonic wave that effective elimination brings to main circuit due to inversion produces.
The utility model harmonic wave free frequency-conversion device adopts main circuit topological structure, is directly arranged input AC380V voltage, be improved to 18 pulse waves and shift to Semiconductor Converting Technology by originally single rectifying block, shifts to be divided into multivoltage to input AC380V.Allow the phase angle relationship of constrained input change by the different connections of winding, thus impel high order harmonic component eliminate voluntarily in transformer and curb.The angle of shifting to of 18 pulse waves is 20 °, and the phase difference of every phase is 20 °, 0 ° ,-20 °.Adopt in this way, by total current harmonics elimination below 10%, good harmonics restraint effect can be served.
The design innovation of this circuit is, input winding is AC380V with output winding, changes the on-link mode (OLM) of each winding.Also thus change phase place, phase shift exports employing and prolongs limit triangular form connection and wye connection exists mutually, thus the generation of low harmonic wave eliminating.Input rectifying module and power output unit withstand voltage constant, but electric current can be reduced to original 1/3rd.Importation adopts shielding magnet ring effectively can resist the diffusion of external interference source and spontaneous interference.
During the intelligent oil pumping machine electricity-saving protection controller work of a kind of thing connection of the utility model, the electrical quantity of data acquisition unit acquires three phase mains delivers to central data processing unit, central data processing unit, according to the oil pumper history run electrical quantity in internal memory, calculates the electricity-saving protection effect such as meritorious power saving rate, idle power saving rate, current reduction rate, capacity (apparent power) rate of descent, power factor increase rate of this using electricity system under the forward and backward two kinds of operation conditionss of reducing energy consumption in real time; The related datas such as mains side electric parameter, electricity-saving protection controller operational factor and control load operational factor can be sent to the Internet by communication module by central data processing unit; User can transfer the data of central data processing unit output in real time by PC Surveillance center or mobile device, see the power consumption of this using electricity system (or power consumption equipment) under the forward and backward two kinds of operation conditionss of reducing energy consumption, the electricity charge, active power, reactive power, electric current, capacity (apparent power), power factor in real time; And operational factor and the electricity-saving protection effects such as coal amount are marked in meritorious power saving rate, idle power saving rate, current reduction rate, capacity (apparent power) rate of descent, power factor increase rate, saving accordingly, facilitate remote monitoring, reach the object of thing connection intelligent monitoring.The output signal of transducer Real-time Collection oil pumper output, and carry out exporting to central data processing unit after analog-to-digital conversion through A/D converter; Central data processing unit carries out computing by set point and sensor feedback value, control command is sent to harmonic wave free frequency-conversion device according to operation result, control the operational factor of harmonic wave free frequency-conversion device, to adjust the electrical quantity of input oil pumper, reach and export the requirement consistent with setting, realize closed-loop control; This Closed loop Control is prior art.
Claims (4)
1. a thing connection intelligent oil pumping machine electricity-saving protection controller, it is characterized in that, comprise three phase mains, harmonic wave free frequency-conversion device, data acquisition unit, central data processing unit, transducer, A/D converter, communication module, the Internet, PC Surveillance center and mobile device;
Three phase mains, harmonic wave free frequency-conversion device and oil pumper connect and compose major loop successively;
The input of data acquisition module connects three phase mains, exports termination central data processing unit; The output of oil pumper is provided with transducer, and the output of transducer connects central data processing unit by A/D converter; Central data processing unit connects harmonic wave free frequency-conversion device; Central data processing unit is by communication module connecting Internet, and PC Surveillance center and mobile device are by wired or wireless mode connecting Internet;
In harmonic wave free frequency-conversion device, three phase mains is through the primary side being accessed phase shifting transformer after shielding magnet ring by star connection, the secondary side of phase shifting transformer is provided with four windings, comprise one group export winding that AC220V powers as harmonic wave free frequency-conversion installation's power source, three groups export the three-phase windings of AC380V; In three groups of three-phase windings, first group of three-phase windings adopts extend-triangle connection, and second group of three-phase windings is star connection, and the 3rd group of three-phase windings adopts extend-triangle connection; First group of three-phase windings connects the first three-phase bridge rectifier, the first pi type filter and the first power inversion circuit successively; Second group of three-phase windings connects the second three-phase bridge rectifier, the second pi type filter and the second power inversion circuit successively; 3rd group of three-phase windings connects the 3rd three-phase bridge rectifier, the 3rd pi type filter and the 3rd power inversion circuit successively; First power inversion circuit, the second power inversion circuit are connected oil pumper with after the corresponding parallel connection of the three-phase output end of the 3rd power inversion circuit, provide electric energy to oil pumper.
2. a kind of thing connection intelligent oil pumping machine electricity-saving protection controller according to claim 1, it is characterized in that, described three phase mains is 380 volts of AC power.
3. a kind of thing connection intelligent oil pumping machine electricity-saving protection controller according to claim 1, it is characterized in that, the carrier phase shift of first group of three-phase windings, second group of three-phase windings and the 3rd group of three-phase windings is 20 °, 0 ° ,-20 °.
4. a kind of thing connection intelligent oil pumping machine electricity-saving protection controller according to claim 1, is characterized in that, be provided with the first resistance being in series with and being with shorting switch between the first three-phase bridge rectifier and the first pi type filter; The second resistance being in series with band shorting switch is provided with between second three-phase bridge rectifier and the second pi type filter; The 3rd resistance being in series with band shorting switch is provided with between 3rd three-phase bridge rectifier and the 3rd pi type filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132045.XU CN204068810U (en) | 2014-03-21 | 2014-03-21 | Thing connection intelligent oil pumping machine electricity-saving protection controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132045.XU CN204068810U (en) | 2014-03-21 | 2014-03-21 | Thing connection intelligent oil pumping machine electricity-saving protection controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068810U true CN204068810U (en) | 2014-12-31 |
Family
ID=52210251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132045.XU Expired - Lifetime CN204068810U (en) | 2014-03-21 | 2014-03-21 | Thing connection intelligent oil pumping machine electricity-saving protection controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421578A (en) * | 2017-05-11 | 2017-12-01 | 吴雪辉 | Remote monitoring intelligent power saving apparatus |
-
2014
- 2014-03-21 CN CN201420132045.XU patent/CN204068810U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421578A (en) * | 2017-05-11 | 2017-12-01 | 吴雪辉 | Remote monitoring intelligent power saving apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103023344B (en) | A kind of general intelligent grid power electronic equipment | |
| CN204205599U (en) | A kind of electronic type feeder line on-load voltage regulating device | |
| CN104198853B (en) | A kind of wind-electricity integration test device and test method | |
| CN110350792A (en) | A kind of power master-slave control method of DC transformer | |
| CN203027153U (en) | Universal smart power grid power electronic device | |
| CN107834866A (en) | Mining 127V AC powers | |
| CN204167914U (en) | A kind of energy back feed device and marine generator stress test system | |
| CN107579586A (en) | A kind of ship power distribution control system based on intelligent controller | |
| CN103036437B (en) | Distribution network terminal power supply device | |
| CN104143902A (en) | Power electronic converter system capable of meeting various power supply requirements | |
| CN201674404U (en) | Power supply device converting single phase to three phases | |
| CN103296687A (en) | High-efficiency intelligent duplicate voltage compensation power saver | |
| CN203978790U (en) | Thing connection intelligent water pump electricity-saving protection controller | |
| CN204068810U (en) | Thing connection intelligent oil pumping machine electricity-saving protection controller | |
| CN204068809U (en) | Thing connection intelligent blower electricity-saving protection controller | |
| CN201860283U (en) | Graded variable frequency heavy-load soft starting device based on variable reactor | |
| CN204013319U (en) | Thing connection Intelligent blender electricity-saving protection controller | |
| CN203984089U (en) | Thing connection intelligent blower electricity-saving protection controller | |
| CN204003397U (en) | Thing connection intelligent water pump electricity-saving protection controller | |
| CN204012918U (en) | Thing connection intelligent blower electricity-saving protection controller | |
| CN102361424B (en) | Fuzzy control strategy-based asynchronous motor soft starter | |
| CN204012916U (en) | Thing connection Intelligent constant torque load(ing) electricity-saving protection controller | |
| CN204012917U (en) | Thing connection intelligent oil pumping machine electricity-saving protection controller | |
| CN204013318U (en) | Thing connection Intelligent compressor electricity-saving protection controller | |
| CN203774872U (en) | Internet intelligent constant-torque load energy-saving protection controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200831 Address after: 710021 No. 22 East Ring Road, Shaanxi, Xi'an Patentee after: Li Qingqin Address before: 710021 No. 22 East Ring Road, Shaanxi, Xi'an Patentee before: Liu Sihai |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210507 Address after: Room 1f231, room c0101, building 1, pioneer Plaza, 48 Keji Road, high tech Zone, Xi'an City, Shaanxi Province, 710048 Patentee after: XI'AN LAIKESITE ENERGY SAVING TECHNOLOGY Co.,Ltd. Address before: 710021 No. 22 Huancheng East Road, Xi'an City, Shaanxi Province Patentee before: Li Qingqin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |