CN208966547U - Water injecting pump frequency-changing control system - Google Patents
Water injecting pump frequency-changing control system Download PDFInfo
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- CN208966547U CN208966547U CN201920139075.6U CN201920139075U CN208966547U CN 208966547 U CN208966547 U CN 208966547U CN 201920139075 U CN201920139075 U CN 201920139075U CN 208966547 U CN208966547 U CN 208966547U
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Abstract
The utility model is suitable for water injecting pump and controls equipment technical field, provides a kind of water injecting pump frequency-changing control system.It include: motor, water injecting pump, pressure transmitter, PID controller, frequency converter, first liquid level gauge, first pressure meter, second pressure meter, water treatment facilities liquidometer, water injection manifold meter, third pressure gauge, 4th pressure gauge, temperature sensor and second liquid level gauge, PID controller is sequentially connected in series frequency converter by conducting wire, motor, water injecting pump, pressure transmitter simultaneously forms closed circuit, it is equipped in front of small water treatment plant and feeds water pump, filter and small water treatment plant pass through pipeline and are connected with water filling instrument, water injecting pump is installed in front of water filling instrument, third pressure gauge is installed in the inlet of water injecting pump, the 4th pressure gauge is installed in the exit of water injecting pump, temperature sensor is installed in water filling instrument.After adopting the above scheme, automatic frequency adjustment is realized, labor intensity is reduced, provides guarantee for the subsequent exploitation in oil field.
Description
Technical field
The utility model belongs to water injecting pump control equipment technical field more particularly to a kind of water injecting pump frequency-changing control system.
Background technique
Oil-field flooding is one of most important work in oil recovery production, it can effectively supplement stratum energy, and raising is opened
Speed is sent out, to raising oil recovery factor, ensures that positive effect is played in oil field stable high yield.
However, water injecting consumption increases with the raising of oil field comprehensive moisture content, the development cost in oil field is increased, simultaneously
Due to the variation of geological condition, the variation of well number is switched, presence phenomena such as well-flushing, plant maintenance, traditional relies on work people
Phenomena such as experience control water filling of member usually will appear super note, short, it is big to increase production energy consumption, it is difficult to what satisfaction precisely filled the water
It is required that affecting the subsequent exploitation in oil field.
Utility model content
In view of this, the utility model embodiment provides a kind of water injecting pump frequency-changing control system, to solve the prior art
Middle production energy consumption is big, it is difficult to the problem of meeting the requirement precisely filled the water, influencing the subsequent exploitation in oil field.
The utility model embodiment provides a kind of water injecting pump frequency-changing control system, comprising: motor, water injecting pump, pressure become
Send device, PID controller, frequency converter, first liquid level gauge, first pressure meter, second pressure meter, water treatment facilities liquidometer, water filling
Flowmeter, third pressure gauge, the 4th pressure gauge, temperature sensor and second liquid level gauge, the PID controller pass through conducting wire successively
It connects and the frequency converter, the motor, the water injecting pump, the pressure transmitter and forms closed circuit, the first pressure
Meter is mounted on water inlet, come water inlet by pipeline be connected separately on the left of water tank, right side filter and top
Small water treatment plant is equipped with first liquid level gauge in the water tank, is equipped with water process in the small water treatment plant
Device liquidometer, water treatment facilities liquidometer lower section are equipped with second pressure meter, installation in front of the small water treatment plant
Have and feed water pump, the filter and small water treatment plant pass through pipeline and be connected with water filling instrument, install in the front of water filling instrument
There is water injecting pump, third pressure gauge is installed in the inlet of water injecting pump, the 4th pressure gauge is installed in the exit of water injecting pump,
Temperature sensor is installed, water filling instrument exit is filling outlet, and water injection manifold meter, institute are installed at filling outlet in water filling instrument
State first liquid level gauge, the first pressure meter, the second pressure meter, the water treatment facilities liquidometer, the injection flow
Meter, the third pressure gauge, the 4th pressure gauge, the temperature sensor and the second liquid level gauge are all connected with the PID
Controller；
The PID controller judges whether the corresponding monitoring device of sensor is normal according to the data information that sensor monitors
Operation, and the pressure transmitter or frequency converter movement are controlled according to judging result.
As further technical solution, the system also includes: power supply unit, power detecting unit, processing unit and
Stand-by power supply unit, said supply unit be used for the PID controller, the frequency converter, the motor, the water injecting pump,
The pressure transmitter, the first liquid level gauge, the first pressure meter, the second pressure meter, the water treatment facilities liquid
Position meter, the water injection manifold meter, the third pressure gauge, the 4th pressure gauge, the temperature sensor and second liquid
Position meter power supply, said supply unit connect the power detecting unit, and the power detecting unit connects the processing unit, institute
It states processing unit and connects the stand-by power supply unit, the processing unit is used to detect the confession in the power detecting unit
Electric unit break down when control the stand-by power supply unit open to the PID controller, the frequency converter, the motor,
The water injecting pump, the pressure transmitter, the first liquid level gauge, the first pressure meter, the second pressure meter, the water
Processing unit liquidometer, the water injection manifold meter, the third pressure gauge, the 4th pressure gauge, the first temperature sensor and
The second liquid level gauge power supply.
As further technical solution, the system also includes: alarm, the alarm connect the PID control
Device, the PID controller are alarmed according to the numerical value that the temperature sensor monitors.
As further technical solution, the system also includes: alarm, the alarm connect the PID control
Device, the PID controller are alarmed according to the numerical value that the temperature sensor monitors.
As further technical solution, the alarm includes the first alarm and the second alarm, first report
Alert device and second alarm are all connected with the PID controller,
The PID controller starts the first alarm or the second report according to the numerical value that the temperature sensor of acquisition monitors
Alert device.
As further technical solution, the model XSC6-PID controller of the PID controller.
As further technical solution, the model XL-21 frequency converter of the frequency converter.
As further technical solution, the model YSH-131B pressure transmitter of the pressure transmitter.
As further technical solution, the power detecting unit uses the dsp chip of TMS32LF2407 model.
As further technical solution, the system also includes up-regulation key and down key, the up-regulation key and it is described under
Key is adjusted to be all connected with the PID controller；
The signal that the PID controller is sent when being opened according to the up-regulation key controls the frequency converter up-regulation output frequency
Rate；
The signal that the PID controller is sent when being opened according to the down key controls the frequency converter and lowers output frequency
Rate.
The utility model embodiment has the beneficial effect that after adopting the above scheme, by the way that different sensor settings exists
On the corresponding position of water injecting pump frequency-changing control system, the operating condition of energy each component of real-time monitoring water injecting pump frequency-changing control system,
Injection pipe network pressure detecting part feeds back certain pressure value, and site pressure is converted evaluation by PID regulator and scene is set
Fixed number value compares, and finally sends adjustment numerical value to frequency converter, and the latter exports the AC power source of certain frequency according to this value
To water filling pump motor, water injecting pump stable operation is dragged, and exports injection flow corresponding with pressure, guarantees the pressure of water injecting pump pipe network
Power is matched with the given pressure of controller, and the closed loop for realizing Frequency conversion speed adjusting is adjusted, and not only water injection rate is accurate,
Oil field flood pattern is safely and steadily run, and reduces the labor intensity of operator, production energy consumption is reduced, reduces note
The fault condition of pump equipment provides guarantee for the subsequent exploitation in oil field.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of water injecting pump frequency-changing control system provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram for water injecting pump frequency-changing control system that another embodiment of the utility model provides.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
As shown in Figure 1, being a kind of water injecting pump frequency-changing control system provided by the embodiment of the utility model, comprising: motor 1,
Water injecting pump 2, pressure transmitter 3, PID controller 4, frequency converter 5, first liquid level gauge 6, first pressure meter 7, second pressure meter 8, water
Processing unit liquidometer 9, water injection manifold meter 10, third pressure gauge 11, the 4th pressure gauge 12, temperature sensor 13 and the second liquid level
Meter 14, the PID controller 4 is sequentially connected in series the frequency converter 5, the motor 1, the water injecting pump 2, the pressure by conducting wire
Transmitter 3 simultaneously forms closed circuit, and the first pressure meter 7 is mounted on water inlet, carrys out water inlet and is connected respectively by pipeline
It is connected to water tank, the filter on right side and the small water treatment plant of top in left side, the first liquid level is installed in the water tank
Meter 6 is equipped with water treatment facilities liquidometer 9 in the small water treatment plant, and the is equipped with below water treatment facilities liquidometer 9
Two pressure gauges 8, the small water treatment plant front, which is equipped with, feeds water pump, and the filter and small water treatment plant pass through
Pipeline is connected with water filling instrument, is equipped with water injecting pump 2 in front of water filling instrument, is equipped with third pressure in the inlet of water injecting pump 2
Meter 11, is equipped with the 4th pressure gauge 12 in the exit of water injecting pump 2, is equipped with temperature sensor 13 in water filling instrument, fills the water instrument
Exit is filling outlet, and water injection manifold meter 10, the first liquid level gauge 6, the first pressure meter are installed at filling outlet
7, the second pressure meter 8, the water treatment facilities liquidometer 9, the water injection manifold meter 10, the third pressure gauge 11, institute
It states the 4th pressure gauge 12, the temperature sensor 13 and the second liquid level gauge 14 and is all connected with the PID controller 4；
Whether just the PID controller 4 judges the corresponding monitoring device of sensor according to the data information that sensor monitors
Often operation, and the pressure transmitter or frequency converter movement are controlled according to judging result.
Specifically, by 3 continuous acquisition water segregator hydraulic pressure of pressure transmitter, and pressure signal is converted into current signal (4-
20mA) it is sent to PID controller 4, the signal fed back is compared and operation by PID controller 4 with setting pressure.If
Actual pressure is lower than setting pressure, then issues instruction control water pump Accelerating running；If higher than setting pressure, control water pump and subtract
Speed operation.When reaching setting pressure, water pump is maintained in the frequency；Adjustment process is continuously uninterrupted, to guarantee water pump
Outlet pressure fluctuated in the section of a very little, realize outlet pressure substantially constant, 3 buckling precision of pressure transmitter ±
0.1%, 4 precision≤0.2% of PID controller, long-time stability are good, strong antijamming capability, and the above equipment keeps stable operation 3
Year or more, conducting wire used preferably selects optical cable, and transmission speed is fast, and long-time stability are good.Pressure transmitter 3 makes water segregator pressure
Directly act on electronic ceramics diaphragm, diaphragm occur after displacement generated capacitance by electronic component detection androgynous with it,
Amplification, is finally converted into the standard signal output of 4~20mA, and PID controller 4 will measure input signal pressure value P V and to level pressure
Force value SV is compared, and must deviate e, then carries out operation to deviation e according to preset control law, is obtained corresponding
Controlling value, and by delivery outlet with 4~20mA, DC electric current (or 1~5V, D/C voltage) is transferred to frequency converter.
Small size water treater is connected with dosing pump, and dosing pump is connected with dosing tank, is equipped with first liquid level gauge in dosing tank
6, the dosing pump and first liquid level gauge 6 are all connected with PID controller 4, and small water treatment plant is also connected with mixing pump, mixing pump
Also it is connected with PID controller 4, under the action of dosing pump, internal drug is sent into small size water treater by dosing tank, dosing
The liquid level that case liquidometer obtains dosing tank is sent in PID controller 4, and the work of mixing pump is controlled by PID controller 4.Note
Water pump is connected with power supply by frequency converter, and the electric energy of power supply is powered after frequency converter is handled for water injecting pump.At the water injecting pump
Water injecting pump radiator fan is installed, temperature sensor 13, water injecting pump radiator fan and temperature sensor are installed inside water injecting pump
13 are all connected with PID controller 4, and temperature sensor 13 obtains water injecting pump internal temperature, and is sent to PID controller 4, is controlled by PID
Device 4 processed controls water injecting pump radiator fan and radiates to water injecting pump.PID controller 4 is connected with alarm and display, Ge Gechuan
The parameter that sensor will acquire is sent in PID controller 4 and is analyzed, and when beyond the mark, is alarmed by alarm.
In use, detecting the liquid level of water tank by first liquid level gauge 6, alarm (can be set) when reaching high limit liquid level 2.0m,
Alarm (can be set) when reaching lower bound liquid level 0.5m；It is monitored by first pressure meter 7 come water pressure, when pressure is less than 0.05MPa
(can set) or alarm (can be set) greater than 0.5Mpa.The pressure and pressure of small water treatment plant are monitored by second pressure meter 8
Difference, when pressure is more than that 0.5MPa (can set) alarm, and stop feeding water pump and dosing pump, when differential pressure is more than that 0.5MPa (can be set
It is fixed) alarm.The liquid level that small water treatment plant is detected by second liquid level gauge 14, when liquid level (can set) lower bound lower than 0.2m
When, stop dosing pump and mixing pump.Water injecting pump inlet water pressure is monitored by second pressure meter 8, is pumped out by the monitoring water filling of first pressure meter 7
Saliva pressure, when water filling pump inlet pressure<0.05MPa or outlet pressure>25MPa alarm.By the frequency converter for adjusting water injecting pump
Frequency, realize the automatic adjustment of water injection pressure.Water filling water temperature is detected by temperature sensor 13.It is detected and is filled the water by temperature sensor
Pump internal temperature stops water injecting pump 16 when temperature >=75 DEG C immediately.The instantaneous stream of filling outlet is obtained by water injection manifold meter 10
Amount and integrated flow.
Control, which is divided into, to be manually controlled and automatically controls.
In a case of manual control, to the liquid level of water tank, come water pressure, the pressure of small water treatment plant, liquid level, water filling
Pump inlet pressure, water filling pump discharge pressure, water filling mains pressure are detected, and alarm line is arranged.When exceeding, PID controller 4
Control alarm equipment alarm.Stop water injecting pump when water filling inlet pressure < 0.1MPa (can set).
After adopting the above scheme, by being arranged different sensors in the corresponding position of water injecting pump frequency-changing control system
On, the operating condition of energy each component of real-time monitoring water injecting pump frequency-changing control system, injection pipe network pressure detecting part feedback is centainly
Pressure value, site pressure is converted evaluation by PID regulator and scene setting numerical value compares, and will finally adjust numerical value
Send frequency converter to, the latter stablizes fortune to pump motor, dragging water injecting pump is filled the water according to the AC power source that this value exports certain frequency
Row, and injection flow corresponding with pressure is exported, guarantee that the pressure of water injecting pump pipe network is matched with the given pressure of controller, realizes
The closed loop of Frequency conversion speed adjusting is adjusted, and not only water injection rate is accurate, safely and steadily runs oil field flood pattern,
And reduce the labor intensity of operator, production energy consumption is reduced, the fault condition of water filling pumping unit is reduced, for behind oil field
Continuous exploitation provides guarantee.
In addition, as shown in Fig. 2, in a specific example, the system also includes: power supply unit 15, power detecting list
Member 16, processing unit 17 and stand-by power supply unit 18, said supply unit 15 be used for the PID controller, the frequency converter,
The motor, the water injecting pump, the pressure transmitter, the first liquid level gauge, the first pressure meter, the second pressure
Meter, the water treatment facilities liquidometer, the water injection manifold meter, the third pressure gauge, the 4th pressure gauge, the temperature
Sensor and second liquid level gauge power supply, said supply unit connect the power detecting unit, the power detecting unit
The processing unit is connected, the processing unit connects the stand-by power supply unit, and the processing unit is used in the power supply
Detection unit detect said supply unit break down when control the stand-by power supply unit open to the PID controller,
The frequency converter, the motor, the water injecting pump, the pressure transmitter, the first liquid level gauge, the first pressure meter,
The second pressure meter, the water treatment facilities liquidometer, the water injection manifold meter, the third pressure gauge, the 4th pressure
Power meter, the first temperature sensor and second liquid level gauge power supply.
Specifically, pressure transmitter 3 makes water segregator pressure directly act on electronic ceramics diaphragm, there is institute after displacement in diaphragm
The capacitance of generation is finally converted into the standard signal output of 4~20mA, PID by the electronic component detection androgynous with it, amplification
Controller 4 will measure input signal pressure value P V and be compared with given pressure value SV, and must deviate e, and then basis is set in advance
Fixed control law carries out operation to deviation e, obtains corresponding controlling value, and by delivery outlet with 4~20mA, DC electric current (or 1
~5V, D/C voltage) it is transferred to frequency converter, 220V power conversion is 24V power supply by power supply unit 15, for the PID controller, institute
State frequency converter, the motor, the water injecting pump, the pressure transmitter, the first liquid level gauge, the first pressure meter, institute
State second pressure meter, the water treatment facilities liquidometer, the water injection manifold meter, the third pressure gauge, the 4th pressure
Meter, the temperature sensor and second liquid level gauge power supply.When power detecting unit detects that power supply unit breaks down, hair
Send fault-signal to processing unit, it is PID controller, frequency converter, motor, water filling that processing unit, which controls stand-by power supply unit starting,
Pump and pressure transmitter power supply.PID controller, power supply detection unit and processing unit are existing unit, are had on the market existing
Some products are sold.Frequency converter, motor, water injecting pump and pressure transmitter application method be existing.
After adopting the above scheme, certain pressure value is fed back by injection pipe network pressure detecting part, PID regulator will be live
Pressure is converted into evaluation and scene setting numerical value compares, and finally sends adjustment numerical value to frequency converter, the latter according to
The AC power source of this value output certain frequency drags water injecting pump stable operation to pump motor is filled the water, and exports corresponding with pressure
Injection flow guarantees that the pressure of water injecting pump pipe network is matched with the given pressure of controller, realizes varying speed and constant pressure feed water system
The closed loop of system is adjusted, and not only water injection rate is accurate, safely and steadily runs oil field flood pattern, and reduce the labor of operator
Fatigue resistance reduces production energy consumption, reduces water filling cost, realize automatic frequency adjustment, reduce labor intensity and security risk, be
The subsequent exploitation in oil field provides guarantee.
In addition, in a specific example, the system also includes: alarm, the alarm connect the PID control
Device, the PID controller are alarmed according to the numerical value that the temperature sensor monitors.
In addition, in a specific example, the system also includes: alarm, the alarm connect the PID control
Device, the PID controller are alarmed according to the numerical value that the temperature sensor monitors.
In addition, the alarm includes the first alarm and the second alarm, first report in a specific example
Alert device and second alarm are all connected with the PID controller,
The PID controller starts the first alarm or the second report according to the numerical value that the temperature sensor of acquisition monitors
Alert device.
In addition, in a specific example, the model XSC6-PID controller of the PID controller.
In addition, in a specific example, the model XL-21 frequency converter of the frequency converter.
In addition, in a specific example, the model YSH-131B pressure transmitter of the pressure transmitter.
In addition, the power detecting unit uses the dsp chip of TMS32LF2407 model in a specific example.
In addition, in a specific example, the system also includes up-regulation key and down key, the up-regulation key and it is described under
Key is adjusted to be all connected with the PID controller；
The signal that the PID controller is sent when being opened according to the up-regulation key controls the frequency converter up-regulation output frequency
Rate；
The signal that the PID controller is sent when being opened according to the down key controls the frequency converter and lowers output frequency
Rate.
Specifically, the signal that the PID controller 4 is sent when being opened according to the down key 11 controls the frequency converter 5
Output frequency is lowered, operator passes through up-regulation key 10 according to field condition and down key 11 controls frequency converter, preferably
, it further include display module, display module connects PID controller, by showing current concrete condition on the display module, side
Just operator more intuitively accurately operates, and saves the operating time of operator.
In addition, the processing unit is MCU single-chip microcontroller, and is existing processing unit, in city in a specific example
There is existing product on.
In addition, the stand-by power supply unit is battery in a specific example.
In addition, being equipped with coating steel pipe on the outside of the conducting wire in a specific example, have coating uniform, adhesive force is strong,
The advantages that long service life, corrosion resistance is strong, can be well protected inner lead, improves the service life of conducting wire.
In a specific example, said supply unit includes solar panel and battery, the solar battery
Plate connects the battery, and the battery is respectively that said supply unit connects the power detecting unit, the power supply inspection
It surveys unit and connects the processing unit, the processing unit connects the stand-by power supply unit, and the processing unit is used in institute
State power detecting unit detect said supply unit break down when control the stand-by power supply unit open give the PID control
Device processed, the frequency converter, the motor, the water injecting pump, the pressure transmitter, the first liquid level gauge, first pressure
Power meter, the second pressure meter, the water treatment facilities liquidometer, the water injection manifold meter, the third pressure gauge, described
Four pressure gauges, the first temperature sensor and second liquid level gauge power supply, are powered using solar panel, save electric power money
Source, and technology maturation is stablized, power supply continues.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of water injecting pump frequency-changing control system characterized by comprising motor, water injecting pump, pressure transmitter, PID control
Device, frequency converter, first liquid level gauge, first pressure meter, second pressure meter, water treatment facilities liquidometer, water injection manifold meter, third pressure
Power meter, the 4th pressure gauge, temperature sensor and second liquid level gauge, the PID controller are sequentially connected in series the frequency conversion by conducting wire
Device, the motor, the water injecting pump, the pressure transmitter simultaneously form closed circuit, and the first pressure meter is mounted on water
Inlet is carried out water inlet and is filled by the water tank, the filter on right side and the small-sized water process of top that pipeline is connected separately with left side
It sets, first liquid level gauge is installed in the water tank, water treatment facilities liquidometer, water are installed in the small water treatment plant
Second pressure meter is installed below processing unit liquidometer, is equipped in front of the small water treatment plant and feeds water pump, the mistake
Filter and small water treatment plant pass through pipeline and are connected with water filling instrument, are equipped with water injecting pump in front of water filling instrument, are filling the water
The inlet of pump is equipped with third pressure gauge, is equipped with the 4th pressure gauge in the exit of water injecting pump, is equipped in water filling instrument
Temperature sensor, water filling instrument exit are filling outlet, the installation water injection manifold meter at filling outlet, the first liquid level gauge,
The first pressure meter, the second pressure meter, the water treatment facilities liquidometer, the water injection manifold meter, the third pressure
Power meter, the 4th pressure gauge, the temperature sensor and the second liquid level gauge are all connected with the PID controller；
The PID controller judges whether the corresponding monitoring device of sensor normally transports according to the data information that sensor monitors
Row, and the pressure transmitter or frequency converter movement are controlled according to judging result.
2. water injecting pump frequency-changing control system according to claim 1, which is characterized in that further include: power supply unit, power supply inspection
Survey unit, processing unit and stand-by power supply unit, said supply unit is used for the PID controller, frequency converter, described
Motor, the water injecting pump, the pressure transmitter, the first liquid level gauge, the first pressure meter, the second pressure meter,
The water treatment facilities liquidometer, the water injection manifold meter, the third pressure gauge, the 4th pressure gauge, the temperature pass
Sensor and second liquid level gauge power supply, said supply unit connect the power detecting unit, and the power detecting unit connects
The processing unit is connect, the processing unit connects the stand-by power supply unit, and the processing unit is used to examine in the power supply
It surveys unit and detects that controlling the stand-by power supply unit when said supply unit breaks down opens to the PID controller, institute
State frequency converter, the motor, the water injecting pump, the pressure transmitter, the first liquid level gauge, the first pressure meter, institute
State second pressure meter, the water treatment facilities liquidometer, the water injection manifold meter, the third pressure gauge, the 4th pressure
Meter, the first temperature sensor and second liquid level gauge power supply.
3. water injecting pump frequency-changing control system according to claim 1, which is characterized in that further include: alarm, the alarm
Device connects the PID controller, and the PID controller is alarmed according to the numerical value that the temperature sensor monitors.
4. water injecting pump frequency-changing control system according to claim 1, which is characterized in that further include: alarm, the alarm
Device connects the PID controller, and the PID controller is alarmed according to the numerical value that the temperature sensor monitors.
5. water injecting pump frequency-changing control system according to claim 4, which is characterized in that the alarm includes the first alarm
Device and the second alarm, first alarm and second alarm are all connected with the PID controller,
The PID controller starts the first alarm or the second alarm according to the numerical value that the temperature sensor of acquisition monitors
Device.
6. water injecting pump frequency-changing control system according to claim 1, which is characterized in that the model of the PID controller
XSC6-PID controller.
7. water injecting pump frequency-changing control system according to claim 1, which is characterized in that the model XL- of the frequency converter
21 frequency converters.
8. water injecting pump frequency-changing control system according to claim 1, which is characterized in that the model of the pressure transmitter
YSH-131B pressure transmitter.
9. water injecting pump frequency-changing control system according to claim 1, which is characterized in that the power detecting unit uses
The dsp chip of TMS32LF2407 model.
10. water injecting pump frequency-changing control system according to claim 1, which is characterized in that it further include raising key and down key,
The up-regulation key and the down key are all connected with the PID controller；
The signal that the PID controller is sent when being opened according to the up-regulation key controls the frequency converter and raises output frequency；
The signal that the PID controller is sent when being opened according to the down key controls the frequency converter and lowers output frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920139075.6U CN208966547U (en) | 2019-01-25 | 2019-01-25 | Water injecting pump frequency-changing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920139075.6U CN208966547U (en) | 2019-01-25 | 2019-01-25 | Water injecting pump frequency-changing control system |
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| Publication Number | Publication Date |
|---|---|
| CN208966547U true CN208966547U (en) | 2019-06-11 |
Family
ID=66766641
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| CN201920139075.6U Active CN208966547U (en) | 2019-01-25 | 2019-01-25 | Water injecting pump frequency-changing control system |
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| CN (1) | CN208966547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629834A (en) * | 2019-08-05 | 2019-12-31 | 浙江天赐新能源科技有限公司 | Photoelectric constant-pressure water supply control system |
| CN112928734A (en) * | 2021-01-12 | 2021-06-08 | 中国石油天然气股份有限公司 | Motor temperature protection control system and method for high-pressure water injection pump |
-
2019
- 2019-01-25 CN CN201920139075.6U patent/CN208966547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629834A (en) * | 2019-08-05 | 2019-12-31 | 浙江天赐新能源科技有限公司 | Photoelectric constant-pressure water supply control system |
| CN112928734A (en) * | 2021-01-12 | 2021-06-08 | 中国石油天然气股份有限公司 | Motor temperature protection control system and method for high-pressure water injection pump |
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