CN209948996U - Motor closed-loop monitoring control system - Google Patents
Motor closed-loop monitoring control system Download PDFInfo
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- CN209948996U CN209948996U CN201921100054.XU CN201921100054U CN209948996U CN 209948996 U CN209948996 U CN 209948996U CN 201921100054 U CN201921100054 U CN 201921100054U CN 209948996 U CN209948996 U CN 209948996U
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Abstract
A motor closed-loop monitoring control system comprises a controller, a control panel, a driver, a motor, a speed reducer and a sensor; the controller is electrically connected with the control panel, monitors the current signal voltage fed back by the control panel in real time, and outputs a level signal for driving the control panel; the control board is electrically connected with the driver, and the control board outputs the isolated level signal for controlling the driver; the driver is electrically connected with the motor, and the driver outputs a motor driving time sequence for driving the motor; the motor is mechanically connected with the speed reducer; the speed reducer is mechanically connected with the sensor, and the sensor tests and records the angle information output by the speed reducer; the sensor is electrically connected with the control board and used for outputting an angle value of the motor; the control panel is electrically connected with the controller and outputs angle information to the controller in a communication mode; the whole system is in closed-loop control, so that the lifting control and measurement of the oil pumping pipe of the oil-water pumping and discharging device are realized, and the smooth operation of oil pumping is ensured.
Description
Technical Field
The utility model belongs to the technical field of oilfield equipment, a motor control system of pump drainage equipment is related to, especially, relate to a motor closed loop monitoring control system.
Background
At present, the drainage and oil pumping of a liquid storage tank of an oil field gas gathering station is still in a manual operation stage.
When pumping water, a monitoring person remotely opens the valve, and an outsider puts a pipeline of the suction port to the bottom of the liquid storage tank according to experience. When drawing oil, the operation area arranges that the guardian is stood, and the pulling personnel stops the hose head in the oil reservoir with hose insert jar on the car according to experience, reduces along with the reduction of liquid level, when the oil of drawing becomes muddy, draws the hose, stops the operation.
However, the above conventional methods all require field supervision by a monitoring person, and the monitoring person manually operates the methods. Particularly, when oil is pumped, the hose is inserted by experience, and the hauling target cannot be accurately positioned, so that the economic benefit cannot be maximized. Meanwhile, the tank area in the station belongs to a flammable and combustible area, and other factors such as static electricity and the like increase potential safety hazards in the operation process of personnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor closed loop monitor control system has solved the artifical manually operation of current oil field gas gathering station liquid storage pot drainage oil pumping, when leading to the oil pumping, all inserts the hose by the experience, can not pinpoint the hauling target, causes the problem that economic benefits can not the maximize.
The utility model aims at solving through the following technical scheme:
a motor closed-loop monitoring control system comprises a controller, a control panel, a driver, a sensor, a motor and a speed reducer;
the controller is electrically connected with the control panel, monitors the current signal voltage fed back by the control panel in real time, and outputs a level signal for driving the control panel;
the control board is electrically connected with the driver, and the control board outputs an isolated level signal for controlling the driver;
the driver is electrically connected with the motor, and the driver outputs a motor driving time sequence for driving the motor;
the motor is mechanically connected with the speed reducer;
the speed reducer is mechanically connected with the sensor, and the sensor tests and records the angle information output by the speed reducer;
the sensor is electrically connected with the control board and used for outputting an angle value of the motor;
the control panel is electrically connected with the controller, and the control panel outputs angle information to the controller in a communication mode.
Further: the controller comprises a wiring board, a mainboard, a liquid crystal screen and a key board;
the wiring board is electrically connected with the mainboard, and the mainboard is respectively electrically connected with the liquid crystal display and the key board;
the wiring board is electrically connected with the control board.
Further: the wiring board comprises a power supply input interface, an uplink communication interface, a downlink communication interface, a motor current interface, a motor control interface and an intrinsic safety sensor interface connected with an external medium sensor, wherein the uplink communication interface, the downlink communication interface, the motor current interface and the motor control interface are used for an external server communication input interface;
the power input interface is used for power input of the controller;
the downlink communication interface is used for being connected with a communication interface of the sensor and reading information of the sensor;
the motor current interface is electrically connected with the control board;
the motor control interface is electrically connected with the control panel and used for controlling a motor power supply.
Further: the mainboard comprises a voltage-stabilized power supply, a single chip microcomputer, an isolation intrinsic safety power supply + I2C communication interface, a voltage acquisition module, a level output module, an RS485 circuit interface connected with an uplink communication interface and an RS485 circuit interface connected with a downlink communication interface.
The stabilized voltage power supply is electrically connected with the singlechip.
The single chip microcomputer is respectively and electrically connected with the isolation intrinsic safety power supply + I2C communication, the voltage acquisition module, the level output module, the RS485 circuit interface connected with the uplink communication interface and the RS485 circuit interface connected with the downlink communication interface.
Further: the driver is a direct current brushless motor driver, and the direct current brushless motor driver controls the positive and negative rotation and the starting and stopping of the motor through the level.
Further: the sensor is an angle sensor.
Further: the angle sensor is a multi-turn absolute value angle sensor.
Further: the speed reducer is a worm gear speed reducer.
Further: the motor is a direct current brushless motor.
The utility model has the advantages that: the motor closed-loop monitoring control system monitors the displacement of the motor through the controller, simultaneously monitors the working current, outputs a control signal, drives the control panel, and controls the output of the driver through the control panel, so that the forward rotation, the reverse rotation and the stop of the motor are realized;
the driver drives the motor to rotate according to an input control signal, the motor rotates to drive the speed reducer to rotate, the speed reducer outputs to drive an external load, meanwhile, the sensor monitors the displacement output by the speed reducer, the sensor feeds the output displacement back to the control panel, and the control panel feeds the displacement back to the controller;
meanwhile, the controller monitors the working current in real time, and if the system is abnormal, the power supply can be cut off in time, so that the safety is ensured;
the whole system is in closed-loop control, so that the lifting control and measurement of the oil pumping pipe of the oil-water pumping and discharging device are realized, and the smooth operation of oil pumping is ensured.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic diagram of the internal components of the controller of the present invention;
fig. 3 is a schematic view of an interface of the wiring board of the present invention;
fig. 4 is a schematic diagram of the internal components of the main board of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1, a motor closed-loop monitoring control system includes a controller, a control board, a driver, a sensor, a motor, and a decelerator.
The controller is electrically connected with the control panel, monitors the current signal voltage fed back by the control panel in real time, and outputs a level signal for driving the control panel.
Referring to fig. 2, the controller includes a wiring board, a main board, a liquid crystal screen, and a key sheet.
The wiring board is electrically connected with the mainboard, and the mainboard is respectively electrically connected with the liquid crystal display and the key board.
The wiring board is electrically connected with the control board.
Referring to fig. 3, the wiring board includes a power input interface, an uplink communication interface for an external server communication input interface, a downlink communication interface, a motor current interface, a motor control interface, and an intrinsically safe sensor interface for connection with an external media sensor.
The power input interface is used for power input of the controller.
The downlink communication interface is used for being connected with the communication interface of the sensor to read the information of the sensor.
The motor current interface is electrically connected with the control panel, and the motor current monitoring is realized through the singlechip.
The motor control interface is electrically connected with the control panel and used for controlling the motor power supply.
Referring to fig. 4, the main board includes a regulated power supply, a single chip, a 1-path isolated intrinsically safe power supply + I2C communication interface, a 1-path voltage acquisition module, a 4-path level output module, an RS485 circuit interface connected with an uplink communication interface, and an RS485 circuit interface connected with a downlink communication interface.
The stabilized voltage power supply is electrically connected with the single chip microcomputer, the external power supply standard of the stabilized voltage power supply is 24V, a wide voltage input voltage stabilizing module is adopted, and LDO is adopted for voltage stabilization.
The single chip microcomputer is respectively and electrically connected with an isolation intrinsic safety power supply + I2C communication interface, a voltage acquisition module, a level output module, an RS485 circuit interface connected with an uplink communication interface and an RS485 circuit interface connected with a downlink communication interface.
The uplink communication interface is mainly used for receiving a control instruction and a return state sent by an external server.
The downlink communication interface is used for communicating with an angle sensor in the control system and monitoring the angle state of the speed reducer in real time, and the single chip microcomputer can calculate the actual displacement of the external load according to the angle state and system calibration parameters. Meanwhile, the singlechip can realize the abnormal protection of the system through the displacement upper and lower limit values set by the control system.
And the isolated intrinsic safety power source + I2C communication interface is used for connecting with an external media sensor.
The medium sensor contains and can test air, oil reservoir, emulsion layer electrical parameter in the oil tank is inside, and the system can distinguish according to the measured value and take out the dielectric layer that mouthful pump-out was located.
The area where the medium sensor is located belongs to the 0 area according to the division of the dangerous area of the explosive gas environment, and the power supply needs to adopt an isolation intrinsic safety design.
The voltage acquisition circuit module is used for acquiring a voltage value output by a current sensor in a motor loop, and the working current of the motor of the system can be monitored in real time by carrying out AD sampling and calculation through the single chip microcomputer. By monitoring the current value, whether the output of the motor is normal can be judged. When the motor output is overcurrent or locked, the system can quickly identify and disconnect the power supply of the motor, and the safety of the system is ensured.
The level output module controls the triode through the single chip microcomputer, amplifies current and outputs high and low levels, controls an isolation optocoupler at the control board end of the motor to realize motor isolation control, and the control board end is pulled up by default at the moment.
The controller realizes closed-loop control of a motor closed-loop system, controls forward and reverse rotation and start and stop control of the motor, and monitors working current and motor rotation angle information.
The shell of the controller adopts an explosion-proof structure design, and an external interface adopts a lightning and surge protection design.
The control board is electrically connected with the driver, and the control board outputs the isolated level signal for controlling the driver.
The driver is electrically connected with the motor, and the driver outputs a motor driving time sequence for driving the motor.
The driver adopts a direct current brushless motor driver, and controls the positive and negative rotation and the start and stop of the motor through level control.
The motor is mechanically connected with the speed reducer and adopts a direct current brushless motor.
The speed reducer is mechanically connected with the sensor, and the sensor tests and records the angle information output by the speed reducer.
The reducer adopts a worm gear reducer.
The sensor adopts a multi-turn absolute value angle sensor, measures an angle through a magnetoelectric principle, and has the advantages of no contact, long service life and high resolution. Meanwhile, the device has the function of electronic memory and circle recording, and ensures that the angle information is not lost after the power supply is switched on again. The multi-turn angle information can be read in a communication mode.
The sensor is electrically connected with the control panel and used for outputting the angle value of the motor.
The control panel is electrically connected with the controller, and the control panel outputs angle information to the controller in a communication mode.
The control system is closed-loop control and monitors the system in real time.
The working principle is as follows: this motor closed loop monitoring control system monitors the motor displacement volume through the controller, monitors operating current simultaneously, output control signal, drive control panel, control panel control driver output realizes motor corotation, reversal and stops.
The driver drives the motor according to the input control signal, the motor drives the speed reducer, the speed reducer applies work outwards, and meanwhile, the sensor tests and records the angle information of the speed reducer in real time and feeds the information back to the control panel. The control panel feeds back the angle information of the sensor to the controller in a communication mode.
Meanwhile, the controller monitors the working current in real time, and if the system is abnormal, the power supply can be cut off in time, so that the safety is ensured.
The whole system is in closed-loop control, so that the lifting control and measurement of the oil pumping pipe of the oil-water pumping and discharging device are realized, and the smooth operation of oil pumping is ensured.
Meanwhile, the system is provided with a lightning and surge protection function, an isolation circuit, overcurrent protection and other measures, so that the system safety is ensured.
When the system is applied, the whole system can be installed in an explosion-proof box with a small volume so as to meet the on-site explosion-proof requirement.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (9)
1. A motor closed-loop monitoring control system is characterized by comprising a controller, a control panel, a driver, a sensor, a motor and a speed reducer;
the controller is electrically connected with the control panel, monitors the current signal voltage fed back by the control panel in real time, and outputs a level signal for driving the control panel;
the control board is electrically connected with the driver, and the control board outputs an isolated level signal for controlling the driver;
the driver is electrically connected with the motor, and the driver outputs a motor driving time sequence for driving the motor;
the motor is mechanically connected with the speed reducer;
the speed reducer is mechanically connected with the sensor, and the sensor tests and records the angle information output by the speed reducer;
the sensor is electrically connected with the control board and used for outputting an angle value of the motor;
the control panel is electrically connected with the controller, and the control panel outputs angle information to the controller in a communication mode.
2. The closed-loop motor monitoring and control system of claim 1, wherein the controller comprises a wiring board, a main board, a liquid crystal screen and a keypad;
the wiring board is electrically connected with the mainboard, and the mainboard is respectively electrically connected with the liquid crystal display and the key board;
the wiring board is electrically connected with the control board.
3. The closed-loop motor monitoring and control system as claimed in claim 2, wherein the wiring board comprises a power input interface, an uplink communication interface for an external server communication input interface, a downlink communication interface, a motor current interface, a motor control interface and an intrinsically safe sensor interface connected with an external medium sensor;
the power input interface is used for power input of the controller;
the downlink communication interface is used for being connected with a communication interface of the sensor and reading information of the sensor;
the motor current interface is electrically connected with the control board;
the motor control interface is electrically connected with the control panel and used for controlling a motor power supply.
4. The motor closed-loop monitoring control system of claim 3, wherein the motherboard comprises a regulated power supply, a single chip microcomputer, an isolated intrinsically safe power supply + I2C communication interface, a voltage acquisition module, a level output module, an RS485 circuit interface connected with an uplink communication interface, and an RS485 circuit interface connected with a downlink communication interface;
the stabilized voltage power supply is electrically connected with the singlechip;
the single chip microcomputer is respectively and electrically connected with the voltage acquisition module, the level output module, the RS485 circuit interface connected with the uplink communication interface and the RS485 circuit interface connected with the downlink communication interface.
5. The closed-loop motor monitoring and control system of claim 1, wherein the driver is a brushless dc motor driver, and the brushless dc motor driver controls the forward and reverse rotation and start and stop of the motor through a level.
6. The closed-loop motor monitoring and control system of claim 1 wherein the sensor is an angle sensor.
7. The closed-loop motor monitoring and control system of claim 6 wherein the angle sensor is a multi-turn absolute value angle sensor.
8. The closed-loop motor monitoring and control system of claim 1 wherein the reducer is a worm gear reducer.
9. The closed-loop motor monitoring and control system of claim 1 wherein the motor is a brushless dc motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921100054.XU CN209948996U (en) | 2019-07-15 | 2019-07-15 | Motor closed-loop monitoring control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921100054.XU CN209948996U (en) | 2019-07-15 | 2019-07-15 | Motor closed-loop monitoring control system |
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| CN209948996U true CN209948996U (en) | 2020-01-14 |
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| CN201921100054.XU Active CN209948996U (en) | 2019-07-15 | 2019-07-15 | Motor closed-loop monitoring control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336499A (en) * | 2019-07-15 | 2019-10-15 | 西安安森智能仪器股份有限公司 | Motor closed loop monitor control system and control method |
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2019
- 2019-07-15 CN CN201921100054.XU patent/CN209948996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336499A (en) * | 2019-07-15 | 2019-10-15 | 西安安森智能仪器股份有限公司 | Motor closed loop monitor control system and control method |
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