CN111927815A - Method for opening inlet door of electric fan by one key - Google Patents
Method for opening inlet door of electric fan by one key Download PDFInfo
- Publication number
- CN111927815A CN111927815A CN202010840055.9A CN202010840055A CN111927815A CN 111927815 A CN111927815 A CN 111927815A CN 202010840055 A CN202010840055 A CN 202010840055A CN 111927815 A CN111927815 A CN 111927815A
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- Prior art keywords
- inlet valve
- opening
- key
- valve
- main motor
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012790 confirmation Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/003—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by throttling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a method for opening an electric fan entrance door by one key, which comprises the following steps: 1) an electric control inlet valve is arranged at the inlet door of the electric fan; 2) control software is installed on a computer connected with the inlet valve; 3) clicking a fan inlet valve release button; 4) a timer is arranged in the background program of the control software; 5) when a release button of an inlet valve of the fan is clicked, the timer PT is 20S, the sent pulse width is 20S, the inlet valve controls the continuous opening valve to output 20S, and one-key opening of a key inlet valve is completed; 6) clicking a main motor stop button on control software to perform integral power-off shutdown; the method for opening the inlet door of the electric fan by one key eliminates the idea of human experience, makes a single-point tutorial and writes an operation card, and can be operated by all staff, so that the post staff can start the electric fan accurately and quickly with the success rate of 100 percent, the time for opening the blast furnace is prolonged, and the income is increased.
Description
Technical Field
The invention relates to the technical field of blast furnace electric fans, in particular to a method for opening an inlet door of an electric fan by one key.
Background
When the 3#4# centrifugal fan in the electric draught fan area of the power generation workshop of the power energy department of the steel production workshop is started, a fan inlet door needs to be opened in 3S so as to avoid the fan from surging. At present, a manual operator is generally adopted for starting the machine, the manual operator needs to be manually evaluated and continuously clicked by fingers, and the risk of failure of starting the machine due to errors exists. The inlet valve manual operator has low operation sensitivity, high spare part purchase cost and short service cycle; the function of the inlet valve manual operator is programmed into a computer, after DCS programmers enter computer pictures, the opening key and the key are set, and workers can hardly open the inlet valve manual operator to the angle of 45 degrees from 0 degree in 3S by clicking with a mouse. Therefore, a method for opening the inlet valve of the electric fan by one key is urgently needed to be designed so as to solve the problem of failure in starting the electric fan caused by quickly opening the inlet valve by manually operating a manual operator or a mouse.
Disclosure of Invention
In view of the problems in the prior art, the invention aims to provide a method for opening an electric fan entrance door by one key.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method of one-touch opening of an electric fan inlet door, comprising the steps of:
1) an electrically controlled inlet valve is installed at an inlet door of the electric fan, and a communication line and a cable on the inlet valve are both connected into a PLC control chamber;
2) the computer connected with the inlet valve is provided with control software, the control software turns on the power switch by clicking the start-allowing button, a start command is input under the automatic control of the main motor, the main motor to be started is selected, the start button of the main motor is clicked, and the running state column of the main motor displays the running state of the started main motor;
3) clicking a release button of the inlet valve of the fan, and starting the set opening degree of the inlet valve by one key, wherein the valve position of the inlet valve feeds back and displays the opening amplitude of the inlet valve;
4) the control software background program is provided with a timer, when an IN port of the timer is TRUE, a Q outlet of the timer outputs a pulse with the width of PT, when a key control program inputs 1 to FALSE, the value of input 2 is output, when the input 1 is TRUE, the value of input 3 is output, and the slow opening and one-key release of an inlet valve are realized by matching with the timer;
5) when an inlet valve release button of a fan is clicked, the valve position feedback of an inlet valve is less than or equal to 45 degrees, and a valve closing button is not clicked, a timer sends out a pulse with the width of PT, when the valve position feedback of the inlet valve is less than or equal to 45 degrees, a key control program inputs 1 and outputs a value of input 3 when the value is TRUE, namely 20S, the timer PT is 20S, the sent pulse width is 20S, the inlet valve controls to continuously open a valve and outputs 20S, and one-key opening of a key input port valve is completed;
6) when the power-off is needed, a main motor stop button on the control software is clicked to perform integral power-off, and the stop state of the main motor displays the running state of the stopped main motor.
Specifically, the communication line of the inlet valve in the step 1 is connected with a PLC controller, the PLC controller is connected to a control computer, and the cable of the inlet valve is connected to a power module.
Specifically, the main motor and the inlet valve in the step 2 are correspondingly connected to the same power module, and a switch communication line of the power module is connected to the control computer.
Specifically, after the release button of the inlet valve of the fan is clicked in the step 3, a dialog box is popped up to really operate the equipment, whether the equipment is quickly opened or not is clicked to confirm execution of the quick-opening program, and the click cancellation is not executed.
The invention has the following beneficial effects:
the method for opening the inlet door of the electric fan by one key has the advantages that firstly, the inlet valve position is designed to be released according to DCS (distributed control System) upgrading of the centrifugal fan, the release stop angle is the optimal starting angle, and the release success rate is 100%;
the method has the advantages that the artificial experience idea is eliminated, the single-point tutorial is manufactured and the operation card is written in, the whole worker can operate, the post worker can start the blast furnace accurately and quickly, the success rate is 100%, the blast furnace smelting blow-in time is prolonged, and the income is increased.
Drawings
Fig. 1 is a schematic structural diagram of control software for one-key opening of an electric fan entrance door.
Fig. 2 is a schematic structural diagram of a control program for one-key opening of an electric fan entrance door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
1-2, a method of one-touch opening an electric fan access door, comprising the steps of:
as shown in fig. 1:
1) an electrically controlled inlet valve is installed at an inlet door of the electric fan, a communication line and a cable on the inlet valve are both connected into a PLC control chamber, the communication line of the inlet valve is connected with a PLC controller, the PLC controller is connected with a control computer, and the cable of the inlet valve is connected to a power module;
2) the computer connected with the inlet valve is provided with control software, the control software allows a starting button to turn on a power switch by clicking, the main motor and the inlet valve are correspondingly connected to the same power module, a switch communication wire of the power module is connected to the control computer, a starting command is input under the automatic control of the main motor, the main motor to be started is selected, the starting button of the main motor is clicked, and the running state column of the main motor displays the running state of the started main motor;
3) clicking an inlet valve release button of the fan, wherein the opening degree set by the inlet valve is opened by one key, the valve position of the inlet valve is fed back and displayed to display the opening amplitude of the inlet valve, after clicking the inlet valve release button of the fan, a dialog box is popped up to really operate equipment, whether the equipment is quickly opened or not, clicking to confirm to execute a quick opening program, and clicking to cancel the execution;
as shown in fig. 2:
4) a program block (C) IN a background program of the control software is a common timer, when an IN port of the program block (C) is TRUE, a Q outlet of the program block (C) outputs a pulse with the width of PT, a key control program is that a program block (C) is two-to-one, when input 1 (upper foot) of the program block (C) is FALSE, the value of input 2 (middle foot) is output, when input 1 (upper foot) is TRUE, the value of input 3 (lower foot) is output, and slow opening and one-key release of an inlet valve are realized by matching with the program block (C);
5) when a release button of an inlet valve of a fan is clicked, a quick-opening valve button is triggered, when valve position feedback of the inlet valve in a program block is less than or equal to 45 degrees, and a valve closing button is not clicked, the quick-opening valve button is triggered by a program block rising edge, a program block (phi) sends out a pulse with the width of PT, when the valve position feedback of the inlet valve in the program block (phi) is less than or equal to 45 degrees, the condition of the program block (phi) is met, when input 1 of the program block (phi) is TRUE, the value of input 3 is output, namely 20S, the program (phi) PT is 20S, the sent pulse width is 20S, the inlet valve controls to continuously open the valve and output 20S, and one-key;
6) as shown in fig. 1, when shutdown is required, the main motor stop button on the control software is clicked to perform overall power-off, and the main motor stop state shows the running state of the stopped main motor.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (4)
1. A method for opening an electric fan entrance door by one key is characterized by comprising the following steps:
1) an electrically controlled inlet valve is installed at an inlet door of the electric fan, and a communication line and a cable on the inlet valve are both connected into a PLC control chamber;
2) the computer connected with the inlet valve is provided with control software, the control software turns on the power switch by clicking the start-allowing button, a start command is input under the automatic control of the main motor, the main motor to be started is selected, the start button of the main motor is clicked, and the running state column of the main motor displays the running state of the started main motor;
3) clicking a release button of the inlet valve of the fan, and starting the set opening degree of the inlet valve by one key, wherein the valve position of the inlet valve feeds back and displays the opening amplitude of the inlet valve;
4) the control software background program is provided with a timer, when an IN port of the timer is TRUE, a Q outlet of the timer outputs a pulse with the width of PT, when a key control program inputs 1 to FALSE, the value of input 2 is output, when the input 1 is TRUE, the value of input 3 is output, and the slow opening and one-key release of an inlet valve are realized by matching with the timer;
5) when an inlet valve release button of a fan is clicked, the valve position feedback of an inlet valve is less than or equal to 45 degrees, and a valve closing button is not clicked, a timer sends out a pulse with the width of PT, when the valve position feedback of the inlet valve is less than or equal to 45 degrees, a key control program inputs 1 and outputs a value of input 3 when the value is TRUE, namely 20S, the timer PT is 20S, the sent pulse width is 20S, the inlet valve controls to continuously open a valve and outputs 20S, and one-key opening of a key input port valve is completed;
6) when the power-off is needed, a main motor stop button on the control software is clicked to perform integral power-off, and the stop state of the main motor displays the running state of the stopped main motor.
2. The method for opening the inlet door of the electric fan blower according to claim 1, wherein the communication line of the inlet valve in the step 1 is connected with a PLC (programmable logic controller), the PLC is connected with a control computer, and the cable of the inlet valve is connected with a power supply module.
3. The method for opening the inlet door of the electric fan blower according to claim 1, wherein the main motor and the inlet valve in the step 2 are correspondingly connected to the same power module, and a switch communication line of the power module is connected to the control computer.
4. The method for opening the inlet door of the electric fan as claimed in claim 1, wherein after the release button of the inlet valve of the fan is clicked in the step 3, a pop-up dialog box is popped up to really operate the equipment, whether the equipment is fast opened or not is clicked, the fast opening program is executed after clicking confirmation, and the click cancellation is not executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010840055.9A CN111927815B (en) | 2020-08-20 | 2020-08-20 | Method for opening inlet door of electric fan by one key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010840055.9A CN111927815B (en) | 2020-08-20 | 2020-08-20 | Method for opening inlet door of electric fan by one key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927815A true CN111927815A (en) | 2020-11-13 |
| CN111927815B CN111927815B (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010840055.9A Expired - Fee Related CN111927815B (en) | 2020-08-20 | 2020-08-20 | Method for opening inlet door of electric fan by one key |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206530524U (en) * | 2017-03-09 | 2017-09-29 | 中联环股份有限公司 | A kind of centrifugal blower control system |
| CN110486521A (en) * | 2019-09-03 | 2019-11-22 | 陕西科技大学 | A kind of execution time adjustable electric valve actuator control device and method |
-
2020
- 2020-08-20 CN CN202010840055.9A patent/CN111927815B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206530524U (en) * | 2017-03-09 | 2017-09-29 | 中联环股份有限公司 | A kind of centrifugal blower control system |
| CN110486521A (en) * | 2019-09-03 | 2019-11-22 | 陕西科技大学 | A kind of execution time adjustable electric valve actuator control device and method |
Non-Patent Citations (1)
| Title |
|---|
| 曹磊: "自主设计DCS系统画面在马钢煤焦化公司生化系统上的首次应用", 《安徽冶金科技职业学院学报》 * |
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| Publication number | Publication date |
|---|---|
| CN111927815B (en) | 2022-03-08 |
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