CN205407653U - Water injection pump constant voltage water injection variable frequency control device - Google Patents
Water injection pump constant voltage water injection variable frequency control device Download PDFInfo
- Publication number
- CN205407653U CN205407653U CN201620192018.0U CN201620192018U CN205407653U CN 205407653 U CN205407653 U CN 205407653U CN 201620192018 U CN201620192018 U CN 201620192018U CN 205407653 U CN205407653 U CN 205407653U
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- China
- Prior art keywords
- pressure
- water
- injecting pump
- water injection
- control device
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- Expired - Fee Related
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Abstract
The utility model discloses a water injection pump constant voltage water injection variable frequency control device, including embedding PID regulator, converter, motor, water injection pump and the pressure transmitter in the switch board, the motor is connected with the water injection pump, and PID regulator, converter, motor connect gradually, and the PID regulator is connected with the water injection pump through pressure transmitter, makes the water pump move under the high efficiency operating mode all the time, has effectively improved operating efficiency.
Description
Technical field
This utility model relates to pump drive field, particularly to a kind of water injecting pump constant pressure water flooding frequency-converting control device.
Background technology
Existing water injecting pump converter is dependent on frequency control drive technology and drives plunger displacement pump to run, and adjusts frequency converter frequency and controls discharge capacity and water injection pressure, and this technology is when downstream runoff investigation or homologous ray website water injection rate change, it is impossible to reach constant voltage regulation result.On-the-spot operation needs employee regularly to patrol, and changes regulating frequency according to pressure, and labor intensity is big, and security risk is high.Too high can the initiation of system pressure suppresses termination of pumping problem, causes device damage；Hypotony can cause that large area is shorted, and affects strata pressure and keeps level.Part website injection allocation requirement differs relatively big with water injecting pump discharge capacity, and running need to open backflow balance pressure, adds water injecting consumption.Accordingly, it would be desirable to carry out constant pressure frequency conversion to control technical research to solve problem above.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of water injecting pump converter plant, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, this utility model provides following technical scheme: a kind of water injecting pump converter plant, including the PID regulator being built in switch board, converter, and motor, water injecting pump and pressure transmitter, described motor is connected with water injecting pump, PID regulator, converter, motor are sequentially connected with, and PID regulator is connected with water injecting pump by pressure transmitter；
Site pressure is converted into evaluation by PID regulator and the on-the-spot numerical value that sets contrasts, and adjusts numerical value the most at last and sends converter to；
Converter is according to adjustment numerical value output AC power source to motor；
Pressure transmitter continuous acquisition water knockout drum hydraulic pressure, and pressure signal is converted to current signal is sent to PID module.
Preferably, described switch board is provided with louvre.
Preferably, described pressure transmitter is digital pressure transducer.
Preferably, described pressure transmitter is accompanied with power module；
220V power conversion is 24V power supply by this power module, powers for pressure transmitter.
Preferably, described switch board is provided with radiator fan.
Adopt above technical scheme to provide the benefit that: this utility model structure improve Water Injection Efficiency.
1, need to set water injection pressure according to production, carry out variable frequency adjustment pump rotary speed according to pipe network water consumption, make water pump run under high efficiency operating mode all the time, be effectively increased operational efficiency.
2, eliminating the frequent motor starting impact to electrical network, whole control system has short circuit, crosses the multi-protective function such as stream, overvoltage, overload, improves work efficiency, extends water injecting pump service life.
3, achieve automatic frequency adjustment constant-pressure operation, enhance stability and the reliability of water injection pressure.
4, the power of motor and actual load match, and system is run energy-efficient all the time.
5, need not dam by valve, it is possible to extend pipe network, pump, the maintenance cycle of valve and service life.
6, whole Control system resolution is high, and response is fast, it is possible to ensure oil-field flooding even running.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is control block diagram of the present utility model.
Wherein, 1--switch board, 2--PID actuator, 3--converter, 4--motor, 5--water injecting pump, 6--pressure transmitter, 7--actuating device.
Detailed description of the invention
Preferred implementation of the present utility model is described in detail below in conjunction with accompanying drawing.
Fig. 1 shows detailed description of the invention of the present utility model: a kind of water injecting pump constant pressure frequency conversion device, including the PID regulator 2 being built in switch board 1, converter 3, motor 4, water injecting pump 5 and pressure transmitter 6, described motor 4 is connected with water injecting pump 5, motor 4 is connected by actuating device 7 with water injecting pump 5, PID regulator 2, converter 3, motor 4 are sequentially connected with, and PID regulator 2 is connected with water injecting pump 5 by pressure transmitter 6；
Site pressure is converted into evaluation by PID regulator 2 and the on-the-spot numerical value that sets contrasts, and adjusts numerical value the most at last and sends converter 3 to；
Converter 3 is according to adjustment numerical value output AC power source to motor 4；
Pressure transmitter 6 continuous acquisition water knockout drum hydraulic pressure, and pressure signal is converted to current signal (4-20mA) is sent to PID module.
Switch board 1 is provided with louvre 7, and switch board 1 is provided with radiator fan 8.
Pressure transmitter 6 is digital pressure transducer 6, and pressure transmitter 6 is accompanied with power module；220V power conversion is 24V power supply by this power module, powers for pressure transmitter 6.
This utility model structure improve Water Injection Efficiency.
1, need to set water injection pressure according to production, carry out variable frequency adjustment pump rotary speed according to pipe network water consumption, make water pump run under high efficiency operating mode all the time, be effectively increased operational efficiency.
2, eliminating the frequent motor starting impact to electrical network, whole control system has short circuit, crosses the multi-protective function such as stream, overvoltage, overload, improves work efficiency, extends water injecting pump service life.
3, achieve automatic frequency adjustment constant-pressure operation, enhance stability and the reliability of water injection pressure.
4, the power of motor and actual load match, and system is run energy-efficient all the time.
5, need not dam by valve, it is possible to extend pipe network, pump, the maintenance cycle of valve and service life.
6, whole Control system resolution is high, and response is fast, it is possible to ensure oil-field flooding even running.
By flood pattern pressure being acquired in real time and transmitting, system running pressure is converted into evaluation by PID regulator and default numerical value contrasts, adjust numerical value the most at last and send converter to, the latter is according to adjusting the alternating current power supply of numerical value output certain frequency to water injecting pump motor, drag water injecting pump stable operation, and exporting the injection flow corresponding with pressure, it is ensured that the pressure of flood pattern mates with the setting pressure of controller.
By pressure transmitter continuous acquisition water injecting pump hydraulic pressure, and pressure signal is converted to current signal (4-20mA) it is sent to PID module.The signal fed back and setting pressure are compared and computing by PID module, if actual pressure is lower than setting pressure, then sends instruction and control water pump Accelerating running；If higher than setting pressure, then control water pump and run slowly；When reaching setting pressure, water pump is maintained in this frequency；Adjustment process is uninterrupted continuously, thus ensureing outlet pressure fluctuation in an only small interval of water pump, it is achieved outlet pressure substantially constant.
Pressure transmitter makes the pressure of water injecting pump directly act on electronic ceramics diaphragm, diaphragm after displacement occurs produced capacitance detect by the electronic component with its consubstantiality, amplifies, the standard signal finally converting 4～20mA to exports.
Above-described is only preferred implementation of the present utility model; it should be pointed out that, for the person of ordinary skill of the art, under the premise creating design without departing from this utility model; can also making some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (5)
1. a water injecting pump constant pressure water flooding frequency-converting control device, it is characterized in that, including the PID regulator being built in switch board, converter, and motor, water injecting pump and pressure transmitter, described motor is connected with water injecting pump, PID regulator, converter, motor are sequentially connected with, and PID regulator is connected with water injecting pump by pressure transmitter；
Site pressure is converted into evaluation by PID regulator and the on-the-spot numerical value that sets contrasts, and adjusts numerical value the most at last and sends converter to；
Converter is according to adjustment numerical value output AC power source to motor；
Pressure transmitter continuous acquisition water knockout drum hydraulic pressure, and pressure signal is converted to current signal is sent to PID module.
2. water injecting pump constant pressure water flooding frequency-converting control device according to claim 1, it is characterised in that described switch board is provided with louvre.
3. water injecting pump constant pressure water flooding frequency-converting control device according to claim 1, it is characterised in that described pressure transmitter is digital pressure transducer.
4. water injecting pump constant pressure water flooding frequency-converting control device according to claim 3, it is characterised in that described pressure transmitter is accompanied with power module；
220V power conversion is 24V power supply by this power module, powers for pressure transmitter.
5. water injecting pump constant pressure water flooding frequency-converting control device according to claim 2, it is characterised in that described switch board is provided with radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620192018.0U CN205407653U (en) | 2016-03-14 | 2016-03-14 | Water injection pump constant voltage water injection variable frequency control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620192018.0U CN205407653U (en) | 2016-03-14 | 2016-03-14 | Water injection pump constant voltage water injection variable frequency control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407653U true CN205407653U (en) | 2016-07-27 |
Family
ID=56421748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620192018.0U Expired - Fee Related CN205407653U (en) | 2016-03-14 | 2016-03-14 | Water injection pump constant voltage water injection variable frequency control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205407653U (en) |
-
2016
- 2016-03-14 CN CN201620192018.0U patent/CN205407653U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20180314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |