CN114135328A - One-key type mine fan intelligent air reversing system and method - Google Patents
One-key type mine fan intelligent air reversing system and method Download PDFInfo
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- CN114135328A CN114135328A CN202111218257.0A CN202111218257A CN114135328A CN 114135328 A CN114135328 A CN 114135328A CN 202111218257 A CN202111218257 A CN 202111218257A CN 114135328 A CN114135328 A CN 114135328A
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- 238000004458 analytical method Methods 0.000 claims abstract description 71
- 238000009423 ventilation Methods 0.000 claims abstract description 61
- 238000004088 simulation Methods 0.000 claims abstract description 36
- 238000004364 calculation method Methods 0.000 claims abstract description 15
- 238000004422 calculation algorithm Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 15
- 230000008054 signal transmission Effects 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 6
- 206010063385 Intellectualisation Diseases 0.000 claims description 4
- 238000013473 artificial intelligence Methods 0.000 claims description 3
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- 239000000779 smoke Substances 0.000 description 2
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/81—Modelling or simulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/70—Type of control algorithm
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Abstract
The invention provides a one-key type mine fan intelligent anti-wind system, which comprises a mine ventilation system real-time simulation resolving and analysis model, a mine anti-wind analysis and decision system, a fire identification system, an alarm system and a mine anti-wind system control platform; the fire recognition system is in signal connection with the mine ventilation system real-time simulation calculation and analysis model, the mine ventilation system real-time simulation calculation and analysis model is in signal connection with the mine anti-wind analysis and decision-making system, and the mine anti-wind analysis and decision-making system is in signal connection with the mine anti-wind system control platform. The invention also provides a one-key type mine fan intelligent anti-wind method, and the one-key type mine fan intelligent anti-wind system and the method can realize full-mineability anti-wind, regional anti-wind or local anti-wind according to the fire place for alarming.
Description
Technical Field
The invention relates to the technical field of mine ventilation, in particular to a one-key type intelligent anti-wind system and method for a mine fan.
Background
The safety regulations of metal and nonmetal mines stipulate that the fan should take measures to reverse the wind flow of the mine within 10 min. Generally, the counter-wind of the fan has three modes of counter-wind channel counter-wind, reverse counter-wind and no counter-wind channel counter-wind, and at present, the counter-wind of the fan mostly adopts the reverse counter-wind mode. When the axial flow fan is used for reversely rotating the counter wind, the counter wind quantity is more than 60% of the wind quantity in normal operation. This is one of the wind flow control measures to prevent the hazards of mine fires.
Mine counter-wind is to control the ventilation wind current of the fire area to make it flow according to the reasonable wind current route in order to control the development and spread of the fire and protect the underground operation personnel from being damaged by the poisonous and harmful gas generated by the fire when the fire breaks out underground, so as to be beneficial to extinguishing the fire and protecting the safety of the underground operation personnel; conversely, if the wind flow cannot be controlled or is not controlled properly, more serious consequences may result.
When a fire disaster occurs underground, a full-mineability reverse wind mode, a regional reverse wind mode or a local reverse wind mode can be adopted according to the fire disaster place, namely when the fire disaster occurs near the mouth of an air inlet shaft, the shaft of the air inlet shaft, a shaft bottom parking lot, a large transportation roadway (a main air inlet roadway) and an air inlet stone door, the full-mineability reverse wind mode is needed; when a fire disaster occurs in an air inlet main lane of a multi-air-well mine, an air inlet main lane of a certain wing of the mine and an air inlet main lane in a certain independent ventilation system, regional reverse wind needs to be carried out; when a fire disaster occurs in an air intake tunnel of a mining area or a working face, local wind resistance is needed.
At present, the fan wind-reversing operation is carried out under the command of a general engineer on site, the fan is stopped firstly, then a reversing device is used for reversing a starting motor to realize wind reversing, and generally, full-mineralization wind reversing, regional wind reversing or local wind reversing can be realized according to the fire place of alarming. In fact, the operation of regional counter wind or local counter wind is complex and difficult, and a relatively reliable counter wind scheme can be provided only by analyzing and judging the result of real-time simulation and calculation of the mine ventilation system; if the simulation analysis of the ventilation network is carried out after the fire disaster happens, the timeliness of the counter wind is obviously influenced, and the rapid control of the flow of fire smoke is not facilitated.
Accordingly, there is a need for improvements in the art.
Disclosure of Invention
The invention aims to provide an efficient intelligent anti-wind system and method for a one-key mine fan.
In order to solve the technical problem, the invention provides a one-key type mine fan intelligent anti-wind system, which comprises a mine ventilation system real-time simulation resolving and analysis model, a mine anti-wind analysis and decision system, a fire identification system, an alarm system and a mine anti-wind system control platform;
the fire recognition system is in signal connection with the mine ventilation system real-time simulation calculation and analysis model, the mine ventilation system real-time simulation calculation and analysis model is in signal connection with the mine anti-wind analysis and decision-making system, and the mine anti-wind analysis and decision-making system is in signal connection with the mine anti-wind system control platform.
As an improvement of the intelligent backwind system of the one-key mine fan, the invention comprises the following steps:
the fire identification system is composed of a fire intelligent identification camera, a fire intelligent sensing algorithm model, a signal transmission system and the like, and can automatically sense whether a fire happens or not; the intelligent fire identification camera is arranged in a roadway, acquires images and wind flow temperature and sends the images and the wind flow temperature to the intelligent fire sensing algorithm model, the intelligent fire sensing algorithm model judges whether a fire disaster occurs or not according to the acquired images and the wind flow temperature change value, and when the intelligent fire sensing algorithm model judges that the fire disaster occurs, fire disaster information is transmitted to the mine anti-wind system control platform through the signal transmission system.
The invention also provides a one-key intelligent air reversing method for the mine fan, which comprises the following steps:
step 1: establishing a fire identification system and an alarm system; acquiring fire detection data of a mine ventilation roadway in real time;
step 2: establishing a real-time simulation resolving and analyzing model of the mine ventilation system by using mine ventilation network simulation calculation software, and applying historical fire detection data to train an algorithm model;
and step 3: building a mine counter-wind analysis and decision system;
and 4, step 4: constructing a mine back wind system control platform;
and 5: predicting the fire alarm by applying a mine ventilation system real-time simulation resolving and analyzing model so as to obtain a fire alarm analysis result;
step 6: determining a counter-wind scheme by using a mine counter-wind analysis and decision system, and controlling a fan to counter-wind according to the counter-wind scheme;
and 7, starting the corresponding fan to reversely rotate and counter-wind according to the counter-wind scheme by the mine counter-wind system control platform.
As an improvement of the intelligent backwind method of the one-key mine fan, the invention comprises the following steps:
in step 1:
arranging an intelligent fire identification camera in a roadway, acquiring images and wind flow temperature by the intelligent fire identification camera, sending the images and the wind flow temperature to an intelligent fire sensing algorithm model, judging whether a fire disaster occurs according to the acquired images and the wind flow temperature change value by the intelligent fire sensing algorithm model, and sending the fire disaster detection data to a mine ventilation system through a signal transmission system to simulate, solve and analyze the model in real time;
the intelligent fire identification camera can monitor the fire alarm condition of the main ventilation roadway of the mine.
As an improvement of the intelligent backwind method of the one-key mine fan, the invention comprises the following steps:
in step 2:
establishing a real-time simulation resolving and analyzing model of the mine ventilation system by using mine ventilation network simulation calculation software, and applying historical fire detection data to train an algorithm model;
and (3) sending the historical fire detection data and the actual ventilation condition obtained in the step (1) to a mine ventilation system real-time simulation calculation and analysis model for training, so that the wind flow direction of the underground fire period judged by the mine ventilation system real-time simulation calculation and analysis model is consistent with the actual condition on site, and the subsequent determination of a counter-wind scheme is facilitated.
As an improvement of the intelligent backwind method of the one-key mine fan, the invention comprises the following steps:
in step 3:
according to the actual structure of the mine ventilation system, an artificial intelligence technology and a method are applied to construct a mine wind flow parameter analysis and wind flow regulation decision system, so that the intellectualization of the regulation of the mine ventilation system is realized; the mine air flow parameter analysis and air flow regulation decision system is used for sending a regulation instruction and regulating the operating condition parameters of the fan.
As an improvement of the intelligent backwind method of the one-key mine fan, the invention comprises the following steps:
in step 5:
and predicting the fire alarm by applying a mine ventilation system real-time simulation resolving and analyzing model so as to obtain a fire alarm analysis result.
As an improvement of the intelligent backwind method of the one-key mine fan, the invention comprises the following steps:
in step 6:
determining a counter-wind scheme by using a mine counter-wind analysis and decision system, and controlling a fan to counter-wind according to the counter-wind scheme;
transmitting the fire alarm condition analysis result to a backwind analysis and decision system, and giving a backwind scheme of full-mineralization backwind or regional backwind or local backwind through intelligent analysis to serve as a backwind signal of the intelligent analysis decision;
the mine counter-wind analysis and decision system can give a counter-wind scheme in real time according to the fire place; the mine counter-wind analysis and decision system can intelligently analyze to obtain counter-wind schemes such as full-mineability counter-wind, regional counter-wind or local counter-wind.
As an improvement of the intelligent backwind method of the one-key mine fan, the invention comprises the following steps:
in step 7:
the mine counter-wind system control platform starts a corresponding fan to reversely rotate for counter-wind according to the counter-wind scheme;
a fan anti-wind key and an anti-wind ending key can be arranged on a mine anti-wind system control platform and are respectively used for starting anti-wind and closing anti-wind; the number of the fan anti-wind keys and the number of the anti-wind ending keys are the same as the number of the fans and are in one-to-one correspondence, so that the fans are controlled independently;
a counter-wind scheme of the mine counter-wind analysis and decision system is transmitted to a mine counter-wind system control platform, a counter-wind starting key for implementing a counter-wind fan is displayed on the control platform, and a commander starts the fan with full-mineability counter-wind or regional counter-wind or local counter-wind by one key;
after the fan anti-wind key is started, the fan stops running firstly, then the fan motor is switched to a fan motor reverse running mode, the fan motor runs in a reverse mode, and the wind flow direction starts to be reversed;
after the counter-wind end button is started, the fan stops running firstly, then the fan motor is switched to the forward rotation running mode, the fan motor rotates forward, and the wind flow direction starts to move forward.
The one-key intelligent mine fan anti-wind system and the method have the technical advantages that:
the one-key type mine fan intelligent anti-wind system and the method can realize full-mineability anti-wind, regional anti-wind or local anti-wind according to the fire place for alarming. According to the invention, the mine ventilation system is established to simulate, calculate and analyze a model in real time, carry out intelligent analysis to give a full-mineability counter-wind, regional counter-wind or local counter-wind scheme, construct the mine intelligent ventilation system, and realize the intellectualization of the operation of the mine ventilation system, thereby realizing the real-time intelligent regulation and control of the fan.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
The embodiment 1 discloses a one-key type mine fan intelligent anti-wind system which comprises a mine ventilation system real-time simulation resolving and analysis model, a mine anti-wind analysis and decision system, a fire identification system, an alarm system and a mine anti-wind system control platform;
the fire disaster identification system is in signal connection with a mine ventilation system real-time simulation calculation and analysis model, the mine ventilation system real-time simulation calculation and analysis model is in signal connection with a mine anti-wind analysis and decision system, and the mine anti-wind analysis and decision system is in signal connection with a mine anti-wind system control platform;
the fire identification system is composed of a fire intelligent identification camera, a fire intelligent sensing algorithm model, a signal transmission system and the like, and can automatically sense whether a fire happens or not; the intelligent fire identification camera is arranged in a roadway, acquires images and wind flow temperature and sends the images and the wind flow temperature to the intelligent fire sensing algorithm model, the intelligent fire sensing algorithm model judges whether a fire disaster occurs or not according to the acquired images and the wind flow temperature change value, and when the intelligent fire sensing algorithm model judges that the fire disaster occurs, fire disaster information is transmitted to the mine anti-wind system control platform through the signal transmission system.
A one-key mine fan intelligent air reversing method implemented by applying a one-key mine fan intelligent air reversing system comprises the following steps:
step 1: establishing a fire identification system and an alarm system; acquiring fire detection data of a mine ventilation roadway in real time;
the intelligent fire disaster identification camera is arranged in a roadway, images and wind flow temperature collected by the intelligent fire disaster identification camera are sent to an intelligent fire disaster sensing algorithm model, and the intelligent fire disaster sensing algorithm model judges whether a fire disaster occurs according to the collected images and the wind flow temperature change value, serves as fire disaster detection data and is sent to a mine ventilation system through a signal transmission system to simulate, solve and analyze the model in real time.
The intelligent fire identification camera can monitor the fire alarm condition of the main ventilation roadway of the mine, and monitors the air flow temperature and the flame to judge whether a fire occurs or not.
Step 2: establishing a real-time simulation resolving and analyzing model of the mine ventilation system by using mine ventilation network simulation calculation software, and applying historical fire detection data to train an algorithm model;
and (3) sending the historical fire detection data and the actual ventilation condition obtained in the step (1) to a mine ventilation system real-time simulation calculation and analysis model for training, so that the wind flow direction of the underground fire period judged by the mine ventilation system real-time simulation calculation and analysis model is consistent with the actual condition on site, and the subsequent determination of a counter-wind scheme is facilitated.
And step 3: building a mine counter-wind analysis and decision system;
according to the actual structure of the mine ventilation system, an artificial intelligence technology and a method are applied to construct a mine wind flow parameter analysis and wind flow regulation decision system, so that the intellectualization of the regulation of the mine ventilation system is realized; the mine air flow parameter analysis and air flow regulation decision system is used for sending a regulation instruction and regulating the operating condition parameters of the fan.
And 4, step 4: constructing a mine back wind system control platform;
and 5: predicting the fire alarm by applying a mine ventilation system real-time simulation resolving and analyzing model so as to obtain a fire alarm analysis result;
inputting the fire detection data monitored by the real-time monitoring system obtained in the step (1) into a mine ventilation system real-time simulation resolving and analyzing model, and predicting the fire alarm so as to obtain a fire alarm analysis result;
step 6: determining a counter-wind scheme by using a mine counter-wind analysis and decision system, and controlling a fan to counter-wind according to the counter-wind scheme;
transmitting the fire alarm condition analysis result to a backwind analysis and decision system, and giving a backwind scheme of full-mineralization backwind or regional backwind or local backwind through intelligent analysis to serve as a backwind signal of the intelligent analysis decision;
the mine counter-wind analysis and decision system can give a counter-wind scheme in real time according to the fire place; the mine counter-wind analysis and decision-making system intelligently analyzes and can obtain counter-wind schemes such as full-mineability counter-wind, regional counter-wind or local counter-wind;
the total-mineralization headwind is as follows: controlling all main fans of the mine to reversely rotate and counter wind;
regional headwind is: according to the area where the fire disaster is located and the influence condition of the fire disaster, a part of fans are started to reversely rotate to counter wind, and the wind flow direction of a certain area is changed;
the local headwind is as follows: according to the place where the fire occurs, local counter wind is implemented, the wind flow direction of a local ventilation network is changed, and fire smoke enters a return air system;
step 7, starting a corresponding fan to reversely wind according to a wind reversing scheme by a mine wind reversing system control platform;
a fan anti-wind key and an anti-wind ending key can be arranged on a mine anti-wind system control platform and are respectively used for starting anti-wind and closing anti-wind. The quantity of the draught fan anti-wind keys and the quantity of the anti-wind ending keys are the same as the quantity of the draught fans and are in one-to-one correspondence, and therefore independent control is achieved.
And a headwind scheme of the mine headwind analysis and decision system is transmitted to a control platform of the mine headwind system, a headwind starting key for implementing a reverse headwind fan is displayed (flashing) on the control platform, and a commander starts the full-miness headwind fan or the regional headwind fan or the local headwind fan by one key.
After the fan anti-wind key is started, the fan stops running (preset stop time) first, then the fan is switched to a fan motor reverse running mode, the fan motor runs in a reverse mode, and the wind flow direction starts to be reversed (the direction is opposite to the designed wind flow direction);
after the counter-wind end button is started, the fan stops running (preset stop time) first, then the fan is switched to the fan motor forward running mode, the fan motor rotates forward, and the wind flow direction starts to move forward (the same as the designed wind flow direction).
Finally, it is also noted that the above-mentioned lists merely illustrate a few specific embodiments of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (9)
1. The utility model provides a contrary wind system of key formula mine fan intelligence which characterized in that: the system comprises a mine ventilation system real-time simulation resolving and analyzing model, a mine anti-wind analyzing and deciding system, a fire recognition system, an alarm system and a mine anti-wind system control platform;
the fire recognition system is in signal connection with the mine ventilation system real-time simulation calculation and analysis model, the mine ventilation system real-time simulation calculation and analysis model is in signal connection with the mine anti-wind analysis and decision-making system, and the mine anti-wind analysis and decision-making system is in signal connection with the mine anti-wind system control platform.
2. The intelligent backwind system of one-button mine fan according to claim 1, characterized in that:
the fire identification system is composed of a fire intelligent identification camera, a fire intelligent sensing algorithm model, a signal transmission system and the like, and can automatically sense whether a fire happens or not; the intelligent fire identification camera is arranged in a roadway, acquires images and wind flow temperature and sends the images and the wind flow temperature to the intelligent fire sensing algorithm model, the intelligent fire sensing algorithm model judges whether a fire disaster occurs or not according to the acquired images and the wind flow temperature change value, and when the intelligent fire sensing algorithm model judges that the fire disaster occurs, fire disaster information is transmitted to the mine anti-wind system control platform through the signal transmission system.
3. A one-click mine fan intelligent backwind method using a one-click mine fan intelligent backwind system according to any of claims 1-2, characterized in that: the method comprises the following steps:
step 1: establishing a fire identification system and an alarm system; acquiring fire detection data of a mine ventilation roadway in real time;
step 2: establishing a real-time simulation resolving and analyzing model of the mine ventilation system by using mine ventilation network simulation calculation software, and applying historical fire detection data to train an algorithm model;
and step 3: building a mine counter-wind analysis and decision system;
and 4, step 4: constructing a mine back wind system control platform;
and 5: predicting the fire alarm by applying a mine ventilation system real-time simulation resolving and analyzing model so as to obtain a fire alarm analysis result;
step 6: determining a counter-wind scheme by using a mine counter-wind analysis and decision system, and controlling a fan to counter-wind according to the counter-wind scheme;
and 7, starting the corresponding fan to reversely rotate and counter-wind according to the counter-wind scheme by the mine counter-wind system control platform.
4. The intelligent backwind method for the one-button mine fan according to claim 3, characterized in that:
in step 1:
arranging an intelligent fire identification camera in a roadway, acquiring images and wind flow temperature by the intelligent fire identification camera, sending the images and the wind flow temperature to an intelligent fire sensing algorithm model, judging whether a fire disaster occurs according to the acquired images and the wind flow temperature change value by the intelligent fire sensing algorithm model, and sending the fire disaster detection data to a mine ventilation system through a signal transmission system to simulate, solve and analyze the model in real time;
the intelligent fire identification camera can monitor the fire alarm condition of the main ventilation roadway of the mine.
5. The intelligent backwind method of the one-button mine fan according to claim 4, characterized in that:
in step 2:
establishing a real-time simulation resolving and analyzing model of the mine ventilation system by using mine ventilation network simulation calculation software, and applying historical fire detection data to train an algorithm model;
and (3) sending the historical fire detection data and the actual ventilation condition obtained in the step (1) to a mine ventilation system real-time simulation calculation and analysis model for training, so that the wind flow direction of the underground fire period judged by the mine ventilation system real-time simulation calculation and analysis model is consistent with the actual condition on site, and the subsequent determination of a counter-wind scheme is facilitated.
6. The intelligent backwind method for the one-button mine fan according to claim 5, characterized in that:
in step 3:
according to the actual structure of the mine ventilation system, an artificial intelligence technology and a method are applied to construct a mine wind flow parameter analysis and wind flow regulation decision system, so that the intellectualization of the regulation of the mine ventilation system is realized; the mine air flow parameter analysis and air flow regulation decision system is used for sending a regulation instruction and regulating the operating condition parameters of the fan.
7. The intelligent backwind method for the one-button mine fan according to claim 6, characterized in that:
in step 5:
and predicting the fire alarm by applying a mine ventilation system real-time simulation resolving and analyzing model so as to obtain a fire alarm analysis result.
8. The intelligent backwind method for the one-button mine fan according to claim 7, characterized in that:
in step 6:
determining a counter-wind scheme by using a mine counter-wind analysis and decision system, and controlling a fan to counter-wind according to the counter-wind scheme;
transmitting the fire alarm condition analysis result to a backwind analysis and decision system, and giving a backwind scheme of full-mineralization backwind or regional backwind or local backwind through intelligent analysis to serve as a backwind signal of the intelligent analysis decision;
the mine counter-wind analysis and decision system can give a counter-wind scheme in real time according to the fire place; the mine counter-wind analysis and decision system can intelligently analyze to obtain counter-wind schemes such as full-mineability counter-wind, regional counter-wind or local counter-wind.
9. The intelligent backwind method for the one-button mine fan according to claim 8, characterized in that:
in step 7:
the mine counter-wind system control platform starts a corresponding fan to reversely rotate for counter-wind according to the counter-wind scheme;
a fan anti-wind key and an anti-wind ending key can be arranged on a mine anti-wind system control platform and are respectively used for starting anti-wind and closing anti-wind; the number of the fan anti-wind keys and the number of the anti-wind ending keys are the same as the number of the fans and are in one-to-one correspondence, so that the fans are controlled independently;
a counter-wind scheme of the mine counter-wind analysis and decision system is transmitted to a mine counter-wind system control platform, a counter-wind starting key for implementing a counter-wind fan is displayed on the control platform, and a commander starts the fan with full-mineability counter-wind or regional counter-wind or local counter-wind by one key;
after the fan anti-wind key is started, the fan stops running firstly, then the fan motor is switched to a fan motor reverse running mode, the fan motor runs in a reverse mode, and the wind flow direction starts to be reversed;
after the counter-wind end button is started, the fan stops running firstly, then the fan motor is switched to the forward rotation running mode, the fan motor rotates forward, and the wind flow direction starts to move forward.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115619061A (en) * | 2022-11-01 | 2023-01-17 | 山东蓝光软件有限公司 | Method for cooperatively regulating and controlling air currents and artificial currents in mine disaster period |
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