CN111217106A - Impeller feeder control system and control method - Google Patents
Impeller feeder control system and control method Download PDFInfo
- Publication number
- CN111217106A CN111217106A CN202010025469.6A CN202010025469A CN111217106A CN 111217106 A CN111217106 A CN 111217106A CN 202010025469 A CN202010025469 A CN 202010025469A CN 111217106 A CN111217106 A CN 111217106A
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- motor
- frequency converter
- feeder
- stopping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
Abstract
The invention discloses an impeller feeder control system which comprises a PLC control unit, a frequency converter connected with the PLC control unit, a motor connected with the frequency converter and an impeller feeder driven by the motor. The control method comprises the following steps: step a, a motor drives an impeller feeder to rotate, and a frequency converter transmits a real-time torque value to a PLC control system; b, when the real-time torque value reaches a set value A, stopping the motor, and stopping the rotation of the impeller feeder; after X seconds, the motor drives the impeller feeder to rotate reversely, and the frequency converter transmits a real-time torque value to the PLC control system; d, when the real-time torque value reaches a set value B, stopping the motor, and stopping the reverse rotation of the impeller feeder; and e, after Y seconds, entering the step a and circulating. The invention can excellently solve the problem of stability of material setting, and can effectively avoid the problem of production stop caused by torque increase and even overload of the frequency converter of the impeller feeder when powder is seriously accumulated.
Description
Technical Field
The invention belongs to the technical field of automatic control, and particularly relates to a control system and a control method for a blade wheel feeder.
Background
In the material batching process, whether the conveying of the raw materials is smooth or not seriously influences the batching and metering precision of the materials. At present, in the process of metering ingredients, the stability of raw material conveying is taken as an unstable factor, and a good solution cannot be found. This company adopts the rotary feeder to carry the powder to screw conveyer mode steadily, has solved the problem that the powder unloading is not smooth and easy from the equipment. When powder is piled up more seriously, cause the moment increase of rotary feeder converter easily, transship even, cause the stopping of production, this control adopts the automatic control mode, from the source solution problem.
Disclosure of Invention
The invention adopts the following technical scheme: a control system of a rotary vane feeder comprises a PLC control unit, a frequency converter connected with the PLC control unit, a motor connected with the frequency converter and a rotary vane feeder driven by the motor.
A control method of a vane feeder comprises the following steps:
step a, a motor drives an impeller feeder to rotate, and a frequency converter transmits a real-time torque value to a PLC control system;
b, when the real-time torque value reaches a set value A, stopping the motor, and stopping the rotation of the impeller feeder;
after X seconds, the motor drives the impeller feeder to rotate reversely, and the frequency converter transmits a real-time torque value to the PLC control system;
d, when the real-time torque value reaches a set value B, stopping the motor, and stopping the reverse rotation of the impeller feeder;
and e, after Y seconds, entering the step a and circulating.
Preferably, a ═ B is used.
Preferably, X ═ Y ═ 5.
The invention can excellently solve the problem of stability of material setting, and can effectively avoid the problem of production stop caused by torque increase and even overload of the frequency converter of the impeller feeder when powder is seriously accumulated.
Drawings
FIG. 1 is a control system schematic;
FIG. 2 is a flow chart of a control method;
wherein, 1-PLC control unit; 2-a frequency converter; and 3, a motor.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, the impeller feeder control system comprises a PLC control unit, a frequency converter connected with the PLC control unit, a motor connected with the frequency converter, and an impeller feeder driven by the motor. The control method as shown in fig. 2 comprises the following steps:
step a, a motor drives an impeller feeder to rotate, and a frequency converter transmits a real-time torque value to a PLC control system;
b, when the real-time torque value reaches a set value, stopping the motor and stopping the rotation of the impeller feeder;
step c, after delaying for 5 seconds, the motor drives the impeller feeder to rotate reversely, and the frequency converter transmits a real-time torque value to the PLC control system;
d, when the real-time torque value reaches a set value, stopping the motor, and stopping the reverse rotation of the impeller feeder;
and e, delaying for 5 seconds, and then entering the step a for circulation.
The system adopts PLC control, real-time torque change signals of the frequency converter are transmitted to the PLC through analog quantity output or a communication mode of the frequency converter, and are compared with torque data of the frequency converter through program calculation and upper computer setting such as a touch screen, when the torque of the frequency converter reaches a certain value, the frequency converter drives the impeller feeder to start reversing after the frequency converter stops for a short time, and therefore the problem of overlarge torque of the frequency converter is solved. In the reverse rotation process, if the moment of the frequency converter is too large again, the frequency converter is stopped for a short time again, and then the frequency converter rotates forwards.
Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and some technical contents known to those skilled in the art will be omitted herein for brevity.
Claims (4)
1. The utility model provides a rotary vane feeder control system, its characterized in that includes PLC the control unit and rather than the converter of being connected, still include with the motor that the converter is connected and by motor drive's rotary vane feeder.
2. A control method of a vane feeder is characterized by comprising the following steps:
step a, a motor drives an impeller feeder to rotate, and a frequency converter transmits a real-time torque value to a PLC control system;
b, when the real-time torque value reaches a set value A, stopping the motor, and stopping the rotation of the impeller feeder;
after X seconds, the motor drives the impeller feeder to rotate reversely, and the frequency converter transmits a real-time torque value to the PLC control system;
d, when the real-time torque value reaches a set value B, stopping the motor, and stopping the reverse rotation of the impeller feeder;
and e, after Y seconds, entering the step a and circulating.
3. A method of controlling a turbine feeder according to claim 2, wherein a-B.
4. A method of controlling a turbine feeder according to claim 2, wherein X-Y-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025469.6A CN111217106A (en) | 2020-01-10 | 2020-01-10 | Impeller feeder control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025469.6A CN111217106A (en) | 2020-01-10 | 2020-01-10 | Impeller feeder control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111217106A true CN111217106A (en) | 2020-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010025469.6A Pending CN111217106A (en) | 2020-01-10 | 2020-01-10 | Impeller feeder control system and control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN111217106A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077740A (en) * | 2007-06-26 | 2007-11-28 | 上海发电设备成套设计研究院 | Worm distributor operation control method |
| JP2010137931A (en) * | 2008-12-09 | 2010-06-24 | Yanagi Elec Co Ltd | Driving control device for conveyor |
| CN202029240U (en) * | 2010-12-21 | 2011-11-09 | 三一重工股份有限公司 | Powder metering equipment |
| CN202880410U (en) * | 2012-08-03 | 2013-04-17 | 大唐太原第二热电厂 | Local control device for impeller coal feeding machine |
| CN103744364A (en) * | 2013-12-13 | 2014-04-23 | 云南中烟昆船瑞升科技有限公司 | Automatic control system and control method for double-spiral pulp extruder |
| CN103738700A (en) * | 2013-12-27 | 2014-04-23 | 珠海三一港口机械有限公司 | Bucket wheel machine and anti-overload control method and device |
| CN204607304U (en) * | 2015-03-07 | 2015-09-02 | 中际联合（北京）科技股份有限公司 | A kind of electric control system utilizing frequency converter to realize exempting to climb device overload protection |
-
2020
- 2020-01-10 CN CN202010025469.6A patent/CN111217106A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077740A (en) * | 2007-06-26 | 2007-11-28 | 上海发电设备成套设计研究院 | Worm distributor operation control method |
| JP2010137931A (en) * | 2008-12-09 | 2010-06-24 | Yanagi Elec Co Ltd | Driving control device for conveyor |
| CN202029240U (en) * | 2010-12-21 | 2011-11-09 | 三一重工股份有限公司 | Powder metering equipment |
| CN202880410U (en) * | 2012-08-03 | 2013-04-17 | 大唐太原第二热电厂 | Local control device for impeller coal feeding machine |
| CN103744364A (en) * | 2013-12-13 | 2014-04-23 | 云南中烟昆船瑞升科技有限公司 | Automatic control system and control method for double-spiral pulp extruder |
| CN103738700A (en) * | 2013-12-27 | 2014-04-23 | 珠海三一港口机械有限公司 | Bucket wheel machine and anti-overload control method and device |
| CN204607304U (en) * | 2015-03-07 | 2015-09-02 | 中际联合（北京）科技股份有限公司 | A kind of electric control system utilizing frequency converter to realize exempting to climb device overload protection |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200602 |