CN201708748U - Well field integrated control cabinet of oil sucking machine - Google Patents
Well field integrated control cabinet of oil sucking machine Download PDFInfo
- Publication number
- CN201708748U CN201708748U CN2010202419356U CN201020241935U CN201708748U CN 201708748 U CN201708748 U CN 201708748U CN 2010202419356 U CN2010202419356 U CN 2010202419356U CN 201020241935 U CN201020241935 U CN 201020241935U CN 201708748 U CN201708748 U CN 201708748U
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- inverter
- air switch
- control cabinet
- power source
- soft start
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Abstract
The utility model relates to a well field integrated control cabinet of an oil sucking machine, which comprises an air switch A, a soft starting rectification power supply, a sub well inverter, an energy feedback unit and a case, wherein the air switch A, the soft starting rectification power supply, the sub well inverter and the energy feedback unit are encapsulated in the case, the sub well inverter comprises N inverters, the air switch A and the soft starting rectification power supply are connected, the output end of the soft starting rectification power supply is connected with the input end of the energy feedback unit, the output end of the energy feedback unit is connected between the air switch A and the soft starting rectification power supply, the input ends of the N inverters are connected on the same bus, the bus is connected at the DC output end of the soft starting rectification power supply, and the output ends of the N inverters are respectively connected with N oil sucking machine motors one by one. Compared with the prior art, the utility model has the advantages of high electricity saving efficiency, low power failure fault rate of the electric network, convenient care, repair and maintenance, money saving and the like.
Description
Technical field
The utility model relates to a kind of control cubicle, especially relates to a kind of oil pumper well site centralized control cabinet.
Background technology
China's onshore oil field is energy rich and influential family, also is the big power consumer simultaneously, and wherein (be commonly called as: the power consumption machine of kowtowing) accounts for 1/3rd of oil field total electricity consumption to oil pumper! Careful investigation and analysis, we find that its main cause is the traditional type control cubicle that 80% of motor of oil extractor control cubicle remains the design seventies: be that sky is opened+the contactor pattern basically.This control cubicle we can say to have only a kind of major function: the startup of Artificial Control oil pumper moves and stops, and is not difficult to find that it has following tangible technological deficiency:
1. insured's function falls behind or do not have: as power supply open-phase protection, overvoltage protection, under-voltage protection, overload protection, motor fault isolation etc., the protection reliability is very poor, the maintenance cost height.
2. the stroke of oil pumper, jig frequency are finished with heavy mechanical means after regulating and needing to shut down.
3. impulse current was very big when oil pumper started, and also impacted the transmission mechanism of oil pumper machinery when impacting electrical network, and it is many to start power consumption, the running wastage height.
4. be not easy to management and realize automation control.
The machine-pumped oil well in oil field can be divided into two classes according to physical distribution, and a class is to disperse well, and the physical distance between well and the well has only a bite well generally at tens meters or more than the hundreds of rice in the well site; Another kind of is Raft formula well, has two mouthfuls more than the well in the well site, and the well number is five to 12 occupy the majority, and the physical distance between well and the well generally has only several meters far away.
Summary of the invention
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists that a kind of power saving rate height, grid cut-off failure rate are low, maintenance, repair, the both convenient oil pumper well site centralized control cabinet efficiently that saves money also of maintenance.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of oil pumper well site centralized control cabinet, it is characterized in that, this device comprises air switch A, the soft start rectifier power source, divide the well inverter, energy feedback unit, shell, described air switch A, the soft start rectifier power source, divide the well inverter, energy feedback unit is encapsulated in the shell, the well inverter comprised N inverter in described minute, described air switch A, the soft start rectifier power source connects, the output of described soft start rectifier power source is connected with the input of energy feedback unit, the output of described energy feedback unit is connected between air switch A and the soft start rectifier power source, the input of a described N inverter is connected on the same bus, this bus is connected on the dc output end of soft start rectifier power source, and the output of a described N inverter is connected one by one with N pumping-unit motor respectively.
Described soft start rectifier power source is a three-phase half control rectifier circuit.
Described soft start rectifier power source is the three-phase full-controlled rectifier bridge circuit.
Described soft start rectifier power source comprises three phase rectifier bridge circuit, resistance A, switching device, capacitor group, and in parallel with the capacitor group after described three phase rectifier bridge circuit is connected with resistance A, described switching device is connected in parallel on resistance A two ends.
Described switching device is electric air switch or contactor.
Described inverter comprises air switch, single-pole switch, resistance, inverter, described air switch is connected with inverter by two electric wires, described single-pole switch is serially connected on the electric wire between air switch and the inverter positive pole, and described resistance is connected in parallel on the single-pole switch two ends.
Described N is 3～50.
Described inverter is provided with communication interface.
Described communication interface is RS485 interface, RS232 interface or USB interface.
Compared with prior art, the utlity model has following advantage:
The utility model oil pumper well site centralized control cabinet open with sky+oil pumping machine control cabinet of contactor pattern compares and can realize economizing on electricity 10%～35%, and is higher for the oil well power saving rate feed flow deficiency or the feed flow shakiness.
2. the utility model oil pumper well site centralized control cabinet effectively raises the oilfield electric net reliability of operation; reduced the grid cut-off failure rate greatly; a well site centralized control cabinet just is equivalent to a miniature supply station in well site; the fault that takes place in the time of can the electricity consumption of effective isolation individual well has been protected the safe power supply of big mains supply circuit.
3. the utility model oil pumper well site centralized control cabinet configuration communication interface (RS485 or RS232 or USB) has been established the controlled necessary basis condition of user terminal well head for realizing the digitlization field management.
4. the utility model oil pumper well site centralized control cabinet has been realized the outage automatic soft start (group opens) of electricity afterwards, has eliminated the startup of electrical network is impacted, realized unattended, time saving and energy saving, the rate during oil recovery that improved oil pumper.
5. the utility model oil pumper well site centralized control cabinet adopts modular organization, and maintenance, repair, maintenance not only make things convenient for but also save money also quick.
6. the adjustment of the jig frequency of oil pumper is very convenient, as long as can finish by last key or following key, and need not to have a power failure, and remembers automatically after the outage, need not to change belt pulley.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model soft start rectifier power source.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As Fig. 1, shown in Figure 2, the utility model oil pumper well site centralized control cabinet mainly comprises air switch A1, soft start rectifier power source 2, energy feedback unit 3, divide the well inverter, the well inverter comprised N inverter in described minute, comprise first air switch 4, second air switch 5, N air switch 6, the first single-pole switchs 7, the first resistance 8, second single-pole switch 9, second resistance, 10, the N single-pole switchs, 11, the N resistance 12, first inverter 13, second inverter, 14, the N inverters 15, inverter has communication interface (RS485 or RS232 or USB).Soft start rectifier power source 2 can be selected WR-ZLDY type three-phase half control or all controlled rectifier circuit for use, or by three phase rectifier bridge circuit 22, resistance A23, switching device 21, capacitor group 24 combinational circuits, it is in parallel after described three phase rectifier bridge circuit 22 is connected with resistance A23 with capacitor group 24, described switching device 21 is connected in parallel on resistance A two ends, energy feedback unit 3 can be selected WR-INV type energy feedback unit for use, and inverter can be selected WR-NBQ type inverter for use.The input of air switch A 1 connects three-phase alternating current input power supply, the output of air switch A1 connects WR-ZLDY type soft start rectifier power source 2, the output of WR-ZLDY type soft start rectifier power source 2 connects first air switch 4, second air switch 5, the input of N air switch 6, the positive pole output of first air switch 4 connects 1 pin of first single-pole switch 7 and 1 pin of first resistance 8,2 pin of 2 pin of first single-pole switch 7 and first resistance 8 connect the positive pole of WR-NBQ type first inverter 13, the negative pole of first air switch 4 connects the negative pole of WR-NBQ first inverter 13, the positive pole output of second air switch 5 connects 1 pin of second single-pole switch 9 and 1 pin of second resistance 10,2 pin of 2 pin of second single-pole switch 9 and second resistance 10 connect the positive pole of WR-NBQ type second inverter 14, the negative pole of second air switch 5 connects the negative pole of WR-NBQ type second inverter 14, the positive pole output of N air switch 6 connects 1 pin of N single-pole switch 11 and 1 pin of N resistance 12,2 pin of N single-pole switch 11 and 2 pin of N resistance 12 connect the positive pole of WR-NBQ type N inverter 15, the negative pole of N air switch 6 connects the negative pole of WR-NBQ type N inverter 15, and the like, the pumping unit of well quantity that the quantity N of branch well inverter need be controlled by the well site is determined, the direct current input of WR-INV type energy feedback unit 3 connects the direct current output of WR-ZLDY type soft start rectifier power source 2, and the output of WR-INV type energy feedback unit 3 connects the output of air switch A1.Wherein N can be any one natural number in 3～50.
Claims (9)
1. oil pumper well site centralized control cabinet, it is characterized in that, this device comprises air switch A, the soft start rectifier power source, divide the well inverter, energy feedback unit, shell, described air switch A, the soft start rectifier power source, divide the well inverter, energy feedback unit is encapsulated in the shell, the well inverter comprised N inverter in described minute, described air switch A, the soft start rectifier power source connects, the output of described soft start rectifier power source is connected with the input of energy feedback unit, the output of described energy feedback unit is connected between air switch A and the soft start rectifier power source, the input of a described N inverter is connected on the same bus, this bus is connected on the dc output end of soft start rectifier power source, and the output of a described N inverter is connected one by one with N pumping-unit motor respectively.
2. a kind of oil pumper according to claim 1 well site centralized control cabinet is characterized in that described soft start rectifier power source is a three-phase half control rectifier circuit.
3. a kind of oil pumper according to claim 1 well site centralized control cabinet is characterized in that described soft start rectifier power source is the three-phase full-controlled rectifier bridge circuit.
4. a kind of oil pumper according to claim 1 well site centralized control cabinet, it is characterized in that, described soft start rectifier power source comprises three phase rectifier bridge circuit, resistance A, switching device, capacitor group, in parallel with the capacitor group after described three phase rectifier bridge circuit is connected with resistance A, described switching device is connected in parallel on resistance A two ends.
5. a kind of oil pumper according to claim 1 well site centralized control cabinet is characterized in that described switching device is electric air switch or contactor.
6. a kind of oil pumper according to claim 1 well site centralized control cabinet, it is characterized in that, described inverter comprises air switch, single-pole switch, resistance, inverter, described air switch is connected with inverter by two electric wires, described single-pole switch is serially connected on the electric wire between air switch and the inverter positive pole, and described resistance is connected in parallel on the single-pole switch two ends.
7. a kind of oil pumper according to claim 1 well site centralized control cabinet is characterized in that described N is 3～50.
8. a kind of oil pumper according to claim 6 well site centralized control cabinet is characterized in that described inverter is provided with communication interface.
9. a kind of oil pumper according to claim 8 well site centralized control cabinet is characterized in that described communication interface is RS485 interface, RS232 interface or USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202419356U CN201708748U (en) | 2010-06-25 | 2010-06-25 | Well field integrated control cabinet of oil sucking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202419356U CN201708748U (en) | 2010-06-25 | 2010-06-25 | Well field integrated control cabinet of oil sucking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708748U true CN201708748U (en) | 2011-01-12 |
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ID=43445898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202419356U Expired - Lifetime CN201708748U (en) | 2010-06-25 | 2010-06-25 | Well field integrated control cabinet of oil sucking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299670A (en) * | 2010-06-25 | 2011-12-28 | 谭雪开 | Centralized control cabinet for oil pumping unit well field |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
-
2010
- 2010-06-25 CN CN2010202419356U patent/CN201708748U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299670A (en) * | 2010-06-25 | 2011-12-28 | 谭雪开 | Centralized control cabinet for oil pumping unit well field |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |