CN209728500U - A kind of controller used for oil extractor - Google Patents
A kind of controller used for oil extractor Download PDFInfo
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- CN209728500U CN209728500U CN201821834867.7U CN201821834867U CN209728500U CN 209728500 U CN209728500 U CN 209728500U CN 201821834867 U CN201821834867 U CN 201821834867U CN 209728500 U CN209728500 U CN 209728500U
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Abstract
The utility model discloses a kind of controllers used for oil extractor, belong to controller technology field.Its technical solution are as follows: a kind of controller used for oil extractor, including pumping unit, PLC, button, close switch, relay, direct current voltage sensor, inverter, alternating interface between man and computer and power module.The beneficial effect of technical solution provided by the utility model is: this controller is suitable for direct-current grid power supply pumping unit, compared with currently used pumping unit controller, it can be when the load for accessing direct-current grid work all and runs, automatically adjust frequency, the automatic function of improving pumping unit operation jig frequency of inverter, improve the working efficiency of pumping unit, the electric current having more than needed in direct-current grid is consumed, has ensured the normal operation of equipment.
Description
Technical field
The utility model relates to controller technology field, in particular to a kind of controller used for oil extractor.
Background technique
Direct-current grid is the micro-capacitance sensor being made of direct current, is the important component of intelligent distribution system.Compared to friendship
Micro-capacitance sensor is flowed, direct-current grid more efficient can reliably receive wind, light distributed renewable energy system, energy storage list
Member, electric car and other direct current power loads.Power grid power supply is by rectification to DC bus powered, wind-power electricity generation and solar energy
Electric energy is directly sent into DC bus by power generation.It is with maximum power tracing when being worked normally due to wind-power electricity generation with solar power generation
Target will lead to when new energy capacity configuration is sufficient, and the load accessed in oil well cannot all work due to various reasons
DC voltage increases, and is unfavorable for equipment and normally runs, affects the performance of pumping unit controller, increase Petroleum Production
Energy consumption reduces production efficiency.
Utility model content
One of to solve the above-mentioned problems, the utility model provides a kind of direct-current grid power supply pumping unit controller,
The technical solution adopted is as follows:
A kind of controller used for oil extractor, including pumping unit, the controller comprise the following modules:
PLC issues control instruction for acquiring external information, and after carrying out operation；
Button, for selecting operating mode and issuing control signal；
Close to switch, for measuring the beam-pumping unit jig frequency；
Relay, for controlling the starting of the pumping unit, stopping；
Direct current voltage sensor, for detecting and converting DC voltage signal；
Inverter, for controlling the motor speed of the pumping unit；
Alternating interface between man and computer, for showing, monitoring and setting system parameter；
Power module is that all constituents of the controller are powered；
The button, the power module, the inverter, the alternating interface between man and computer, the direct current voltage sensor,
It is described to be connect respectively with the PLC close to switch, the relay.
The alternating interface between man and computer is connect by RS485 with the PLC.
The digital input end of the PLC is connected with the button, is described close to switch, and the digital output end of the PLC connects
It is connected to the relay, the analog input end of the PLC is connected with direct current voltage sensor, and the simulation output end of the PLC connects
It is connected to the inverter.
The power module is using the Switching Power Supply for inputting DC 400-800V, exporting DC24V.
DC voltage is converted into the signal of 4-20mA by the direct current voltage sensor.
The alternating interface between man and computer is using touch screen.
The beneficial effect of technical solution provided by the utility model is: this controller is suitable for the pumping of direct-current grid power supply
Oil machine, compared with currently used pumping unit controller, can access direct-current grid load do not work all run when,
Frequency, the automatic function of improving pumping unit operation jig frequency for automatically adjusting inverter, improve the working efficiency of pumping unit, consume
The electric current having more than needed in direct-current grid, has ensured the normal operation of equipment.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model, a letter will be made to attached drawing used in embodiment below
Singly introduce, it should be apparent that, attached drawing listed below is only some embodiments of the utility model, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is the circuit diagram of the utility model embodiment.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.It should be noted that in the absence of conflict, in the utility model creation
Feature in embodiment and embodiment can be combined with each other.
The utility model create description in, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and creates and simplify description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as the limitation created to the utility model.In addition, term " first ", " second " etc. are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " etc. can explicitly or implicitly include one or more of the features.In the utility model
In the description of creation, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description that the utility model is created, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed by concrete condition
Solve concrete meaning of the above-mentioned term in the utility model creation.
As shown, a kind of controller used for oil extractor, including pumping unit, controller comprise the following modules:
PLC issues control instruction for acquiring external information, and after carrying out operation；
Button, for selecting operating mode and controlling the start and stop of inverter；
Close to switch, for measuring beam-pumping unit jig frequency；
Relay, for controlling the starting of pumping unit, stopping；
Direct current voltage sensor, for detecting and converting DC voltage signal；
Inverter, for controlling the motor speed of pumping unit；
Alternating interface between man and computer, for showing, monitoring and setting system parameter；
Power module is that all constituents of controller are powered；
Button, power module, inverter, alternating interface between man and computer, direct current voltage sensor, close switch, relay difference
It is connect with PLC.
Alternating interface between man and computer is connect by RS485 with PLC.
The digital input end of PLC is connected with button, close to switch, and the digital output end of PLC is connected with relay, PLC's
Analog input end is connected with direct current voltage sensor, and the simulation output end of PLC is connected with inverter.
Power module is using the Switching Power Supply for inputting DC 400-800V, exporting DC24V.
DC voltage is converted into the signal of 4-20mA by direct current voltage sensor.
Alternating interface between man and computer is using touch screen.
In the present apparatus, the PLC type number of use is T-910TPLC programmable controller, and the model of direct current voltage sensor is
YDD-DI, the model close to switch is LG18A3-8-Z/BX, and the model of touch screen is TPC7062TX.
The working principle or the course of work of the present apparatus are that power module is exported using the DC24V of DC400V-800 input
Switching Power Supply adapts to direct-current grid voltage range.
Conversion system, including manual frequency conversion and automatic frequency-conversion are selected by switch, manual frequency conversion passes through inverter panel
It manually adjusts frequency, uses when debugging or when sensor degradation；Automatic frequency-conversion, that is, PLC automatically adjusts frequency according to default jig frequency
Rate passes to PLC signal by button to control the start and stop of inverter.
It is mounted on pumping unit pedestal close to switch, in pumping unit rotary course, when crank is close proximity to switch, approaches
The output state of switch changes, and signal is passed to PLC, so that PLC be made to can detecte crank information, is pumped
The jig frequency information of machine.
DC voltage signal is converted into the current signal of 4-20mA by direct current voltage sensor YDD-DI, and is passed to
PLC, so that PLC be made to can detecte DC voltage signal.
Touch screen and PLC are communicated by RS485, and touch screen can show current working status, output frequency, jig frequency, directly
The information such as galvanic electricity pressure, also settable default jig frequency adjust jig frequency to start the parameters such as voltage and highest jig frequency.
The simulation input of the supply district DC400-720V of inverter, inverter are connect with PLC simulation output mouth, work as selection
When automatic frequency-conversion mode, inverter controls output voltage frequency according to analog input voltage size.
When controller is in manual frequency modulation working method, according to the starting of button control inverter, stopping.When work is certainly
When dynamic conversion system, PLC calculates current jig frequency according to close to switch state variation, compared with default jig frequency and adjusts inverter
Output frequency adjusts the jig frequency of pumping unit to control the revolving speed of motor of oil extractor；When direct current voltage sensor detects directly
When flowing tune jig frequency starting voltage of the side voltage more than setting, signal is passed into PLC, PLC is according to the raised degree of voltage, adjustment
The input voltage of inverter improves rushing for pumping unit to change the output frequency of inverter automatically within the scope of highest jig frequency
It is secondary, it consumes more electric energy to stable DC side voltage, is run after current path is to normal interval according still further to default jig frequency.
Close to switch and direct current voltage sensor be independently work to control inverter, such as, work as direct current
After side voltage increases, the high voltage signal that direct current voltage sensor can will test is transmitted to PLC, and PLC increases pumping unit automatically
Jig frequency, at this point, the practical jig frequency of pumping unit is greater than default jig frequency, the state close to switch changes, and PLC is according to close switch
State computation show that the practical jig frequency of pumping unit is greater than default jig frequency, adjust the output frequency of inverter, gradually reduce oil pumping
The jig frequency of machine, the two mutual cooperation effect, finally makes DC voltage fall back to normal range (NR), the jig frequency of pumping unit is according to pre-
If jig frequency is run.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (2)
1. a kind of controller used for oil extractor, which is characterized in that including PLC, the power module input terminal of the PLC is connected with power supply
Module, the digital input end of the PLC is connected with button and close to switch, described to be arranged close to switch in the pumping unit pedestal
On, the digital output end of the PLC is connected with relay, and the power input of the relay is connect with the power module,
The analog input end of the PLC is connected with direct current voltage sensor, and DC voltage is converted by the direct current voltage sensor
The simulation output end of the signal of 4-20mA, the PLC is connected with inverter, further includes alternating interface between man and computer, the human-computer exchange
Interface is connect by RS485 with the PLC, and the power input of the alternating interface between man and computer is connect with the power module；Institute
Alternating interface between man and computer is stated using touch screen；
The PLC is the programmable controller that model is T-910TPLC；
The model of the direct current voltage sensor is YDD-DI；
The model close to switch is LG18A3-8-Z/BX；
The model of the touch screen is TPC7062TX.
2. controller used for oil extractor according to claim 1, which is characterized in that the power module
Using the Switching Power Supply for inputting DC 400-800V, exporting DC24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834867.7U CN209728500U (en) | 2018-11-08 | 2018-11-08 | A kind of controller used for oil extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834867.7U CN209728500U (en) | 2018-11-08 | 2018-11-08 | A kind of controller used for oil extractor |
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| Publication Number | Publication Date |
|---|---|
| CN209728500U true CN209728500U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821834867.7U Active CN209728500U (en) | 2018-11-08 | 2018-11-08 | A kind of controller used for oil extractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113765119A (en) * | 2020-06-02 | 2021-12-07 | 中国石油化工股份有限公司 | Memory, power grid frequency adjusting method, system, equipment and device |
-
2018
- 2018-11-08 CN CN201821834867.7U patent/CN209728500U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113765119A (en) * | 2020-06-02 | 2021-12-07 | 中国石油化工股份有限公司 | Memory, power grid frequency adjusting method, system, equipment and device |
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