CN103148007A - Mine ventilating fan control system capable of automatically adjusting air quantity - Google Patents
Mine ventilating fan control system capable of automatically adjusting air quantity Download PDFInfo
- Publication number
- CN103148007A CN103148007A CN2012104898927A CN201210489892A CN103148007A CN 103148007 A CN103148007 A CN 103148007A CN 2012104898927 A CN2012104898927 A CN 2012104898927A CN 201210489892 A CN201210489892 A CN 201210489892A CN 103148007 A CN103148007 A CN 103148007A
- Authority
- CN
- China
- Prior art keywords
- mine
- fan
- plc
- frequency
- mine fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a mine ventilating fan control system capable of automatically adjusting air quantity. The mine ventilating fan control system comprises a frequency conversion system, a programmable logic control (PLC) system and an inspection and monitoring system. The frequency conversion system comprises a power source wire leading-in device, a power source feed device and a frequency converter. The PLC system comprises a control power source wire leading-in device, a control power source feed device and a PLC device. The inspection and monitoring system comprises an operating platform, a display screen, a wind pressure transducer, a vibration transducer, a temperature transducer, and the like. A closed-loop control link is set in the PLC device, and the output frequency of the frequency converter is controlled by taking ventilating condition signals of a working face, which are acquired from the sensors or a mine local area network, as closed-loop feedback signals according to a difference between a set value and a practical sampled value, so as to automatically adjust the air quantity of mine ventilating fans. Two sets of facilities with relative independence are arranged in a speed adjusting link, the control link, an inspection link and an operating link to respectively perform control and online inspection on the two mine ventilating fans, so that the mutual switchover of the two mine ventilating fans from working to standby can be completed in a short time.
Description
Technical field
The invention belongs to the mine fan control technique, propose a kind of mine fan control system of automatic adjusting air quantity, be mainly used in mine dragging, controlling and detecting online and monitor big-and-middle-sized mine fan.
Background technique
Mine ventilation system is one of whole mine key equipment, must every day twenty four hours move continuously, two mine fans are set usually, a preparation and a use, safety specification regulation must be completed switching or the inverted ventilation operation of two cover mine fans in ten minutes.Along with the progress day by day of exploitation and driving, the prolongation gradually in tunnel, required ventilation needs constantly to increase; The change of the increase and decrease of output, the variation of productivity and the system of attack just needs to regulate ventilation; The four seasons alternately, between festival and holiday and turn(a)round, cold and hot variation, air quantity also will often be regulated; Mine ventilation system is usually by exploiting later stage and the needed Maximum Ventilatory Volume of inverted ventilation operating mode and considering certain allowance selection blower fan model and power, what of Air Quantity Required are traditional way be according to, carry out air quantity by manual tune throttle opening, angle of fan leaves and regulate, rather than by the rotating speed of regulating ventilator, air quantity is regulated; As everyone knows, the output shaft power of ventilator is directly proportional to the cube of rotating speed, therefore, the shortcoming that traditional technology mainly exists is: 1) waste of electric energy is serious, and the length of service of large medium-size mine reaches many decades usually, in the initial stage and considerable time of going into operation, the required ventilation of mine is less, and still, mine fan often is in and runs up, cause energy waste, increased cost of production; 2) serious impact of start-up course to mechanical part, motor and the electrical network of ventilator, traditional ventilator usually adopts and directly starts or the reduced-voltage starting method, inrush current is large, unfavorable and easily burn to the insulation of motor, directly in start-up course, ventilator produces larger mechanical vibration stress, badly influences the working life of motor, blower fan and mechanical part thereof; 3) automaticity is low, can not satisfy in real time the needs of the suitable air quantity of digging operation face, and the ventilation of digging operation face is little can not meet the demands, and may cause Gas Outburst, the large increase that causes dust, and impact is in work surface personnel's health.
in recent years, frequency control of motor speed is widely used on mine fan, by electrical characteristic, by the frequency variator drive motor, the frequency variator output frequency changes to frequency of okperation from zero, ventilator just starts and stable operation under certain motion speed from zero-speed, frequency variator in fact only plays the effect that is equivalent to soft start, solved the startup shock problem, although, can carry out the adjusting of air quantity according to required ventilation manual tune frequency variator output frequency, more traditional technology has basic progress, but, the mine fan control system is usually by High-low voltage switch cabinet at present, frequency variator, control gear, several manufacturers such as detection device supply respectively, barrier between different departments, integrated degree is low, cause whole control system design unreasonable, the whole set equipment automatization level is low, manufacturing efficiency is low, air quantity is regulated still by artificial way, namely at digging operation face test blast, wind speed, air quantity or with personnel's experience, the mode that passes on from one to another by message, notice mine fan operator on duty carries out manual air quantity adjustment, also can't according to the needs of the actual ventilation of digging operation face, in real time, automatically regulate the air quantity of ventilator.
Summary of the invention
The present invention proposes a kind of mine fan control system of automatic adjusting air quantity, and this control system can carry out automatically controlling and online the detection to mine fan in real time according to blast, wind speed or the air quantity situation of digging operation face, realizes the automatic adjusting of ventilation.
The present invention takes following technological scheme to complete its goal of the invention: a kind of mine fan control system of automatic adjusting air quantity, described control system includes frequency conversion system, PLC system and Inspection and monitoring system.
Described frequency conversion system includes: electrical source of power line leading device, electrical source of power feeder equipment and frequency variator; The ac power power supply of frequency and voltage variable is provided for the motor that drives mine fan, the staor winding of motor is received the output terminal of frequency variator, the input end of frequency variator is connected with the output terminal of electrical source of power feeder equipment, the input end of electrical source of power feeder equipment is connected with the output terminal of electrical source of power incoming line cabinet, and the input end of electrical source of power incoming line cabinet is connected with the power electrical network.
Described PLC system includes: control the electric power incoming line device, control power feed device and PLC device; The power input of PLC device is connected with the output terminal of controlling the power feed device, and the input end of controlling the power feed device is connected with the output terminal of controlling the electric power incoming line device, and the input end of controlling the electric power incoming line device is connected on the electrical network of controlling power supply.
described Inspection and monitoring system includes: operating table, display screen and be installed on the sensor such as blast, vibration, temperature at ventilator place and be installed on sensors such as blast, wind speed or air quantity in digging operation face roadway, operating table inside PLC remote I/O Interface Module, and switch is housed, the control means such as button and potentiometer, these devices are connected with PLC remote I/O Interface Module, are used for controlling opening of mine fan under manual mode, stop, simultaneously, be used for the blast of mine fan state-detection, vibration and temperature transducer and be used for to gather the tunnel blast at the digging operation face, wind speed or air flow sensor also are connected with PLC remote I/O Interface Module, signaling lamp and Displaying Meter are housed on described operating table, are used for showing running state and the Important Parameters of mine fan, display screen is computer or process control machine, by the mode of network communication, with PLC, frequency variator carries out information exchange, can observe key parameters and signal of interest situation as driving the power of mine fan motor used on display screen, power factor, voltage, electric current, frequency, the bearing temperature of stator winding temperature and mine fan, the horizontal and vertical vibration amplitude, the static pressure of digging operation face tunnel apoplexy, dynamic pressure, speed and flow etc., display screen is with data, curve, the forms such as form are completed the real-time demonstration to key parameters and the signal of interest situation of mine fan whole service process, real time record etc., the built-in communication network interface card of display screen or in the PLC device, the network switch is set, and and PLC, frequency variator and mine Local Area Network form network communication, and described mine fan and control system thereof are carried out remote diagnosis and telecontrol, realize the automatic operating of mine fan.
mine ventilation system is provided with the ventilator of two Same Efficieneys, a job, one standby, and the switching of will finish the work at short notice blower fan and standby fan, in order to reach this purpose, the mine fan control system of a kind of automatic adjusting air quantity of the present invention is in speed governing, control and detection have configured two relatively independent cover hardware and software facilities to reach control and the locking to two mine fans, guarantee that two ventilators can not be simultaneously in running order under normal working method, and can finish the work at short notice and the mutual switching of standby, specifically taked following measures:
1) in frequency conversion system, frequency variator has " one-to-one " and " one drag two " two kinds of driving styles to motor, and the two cover frequency variators of guaranteeing to control respectively two mine fans have relative independentability, realize work and standby reliable, switch fast; " one-to-one " mode: a frequency variator only drags a motor, like this, by an electric motor driven centrifugal mine fan, system is provided with two frequency variators altogether for only, for the counter-rotating axial flow fan by the common driving of two motors, system is provided with four frequency variators altogether; " one drag two " mode: a frequency variator drags same the two motors in counter-rotating axial flow fan simultaneously, and like this, system is provided with two frequency variators altogether, and " one drag two " mode is only applicable to counter-rotating axial flow fan.
2) in the PLC system, the PLC of the two identical configurations of cover is set altogether, respectively two mine fans are controlled, this two cover PLC configures identical and relatively independent from hardware to software.
3) in the operating table of Inspection and monitoring system, the components and parts of the two identical configurations of cover are set and by being symmetrically arranged, comprise: control means and signaling lamp and the Displaying Meters such as PLC remote I/O Interface Module, switch, button and potentiometer; Being used for the online sensors such as blast, vibration and temperature that detect two mine fan working staties is connected with corresponding PLC remote I/O Interface Module, relative independentability when keeping work simultaneously, two cover PLC are provided with the remote I/O Interface Module that receives from digging operation surface sensor signal for special.
A kind of mine fan control system of the present invention has been taked following measures in order to reach the purpose of automatic adjusting air quantity:
1) the digging operation face that covers for mine fan, blast, wind speed or the air flow sensor that can truly reflect digging operation face ventilation situation installed in position suitable in the tunnel, and these sensors are connected with the PLC remote I/O Interface Module of special use with the current signal form;
2) be equipped with comprising the mine of digging operation face ventilation situation detection system for those, the parameters such as blast, wind speed or air quantity of reflection digging operation face ventilation situation can be transferred to the mine LAN usually, so, the signal of required digging operation face ventilation situation can obtain from the LAN of mine by the network communication form;
3) be provided with the closed loop control link in the PLC system, blast, wind speed or the air volume signal that collects from the digging operation face is as the feedback signal of closed loop, according to the setting value of blast, wind speed or air quantity and the difference between actual sample value, by controlling frequency variator output frequency, the ventilation of automatically regulating mine fan.
The mine fan control system of a kind of automatic adjusting air quantity of the present invention can satisfy the needs that various big-and-middle-sized mine fans are controlled and detected online.Compared to existing known technology, the mine fan control system of a kind of automatic adjusting air quantity of the present invention can automatically adjust according to the actual ventilation situation of the digging operation face ventilation to mine fan, satisfy better the actual needs that ventilate, automatization level is high, real-time, reduce the rate of fault of mine fan and improve its working life, saved cost of use, improve production safety ability, and, saving energy and reduce the cost meets national industrial policies, has obvious social and economic benefits.
Description of drawings
Fig. 1, Fig. 2 and Fig. 3 are theory diagram of the present invention, Fig. 1 is the control system that the present invention is directed to centrifugal fan, Fig. 2 the present invention is directed to one of control system of counter-rotating axial flow fan, driving style is " one-to-one ", Fig. 3 be the present invention is directed to counter-rotating axial flow fan control system two, driving style is " one drag two ".
In figure, 1. electrical source of power line leading device, 2. electrical source of power feeder equipment, 3. control the electric power incoming line device, 4. control power feed device, 5. frequency variator I, 6. frequency variator II, 7. PLC device I, 8. PLC device II, 9. operating table, 10. display screen, 11. electric motor I, 12. the motor II, 13. mine fan I, 14. mine fan II, 15. sensor I, 16. sensor II, 17. sensor III.
Embodiment
By reference to the accompanying drawings the embodiment of the present invention is illustrated:
in the drawings, the mine fan control system of a kind of automatic adjusting air quantity that the present invention proposes includes frequency conversion system, PLC system, Inspection and monitoring system, frequency conversion system includes: electrical source of power line leading device 1, electrical source of power feeder equipment 2, frequency variator I 5, frequency variator II 6, for driving mine fan I 13, the motor I 11 of mine fan II 14, motor II 12 provides the ac power power supply of frequency and voltage variable, the staor winding of motor I 11 and motor II 12 is received respectively the output terminal of frequency variator I 5 and frequency variator II 6, the input end of frequency variator I 5 and frequency variator II 6 is connected with the corresponding output end of electrical source of power feeder equipment 2 respectively, the input end of electrical source of power feeder equipment 2 is connected with the output terminal of electrical source of power incoming line cabinet 1, the input end of electrical source of power incoming line cabinet 1 is connected with the power electrical network, the PLC system includes: control electric power incoming line device 3, control power feed device 4 and PLC device I 7, PLC device II 8, the power input of PLC device I 7, PLC device II 8 is connected with the corresponding output end of controlling power feed device 4 respectively, the input end of controlling power feed device 4 is connected with the output terminal of controlling electric power incoming line device 3, and the input end of controlling electric power incoming line device 3 is connected on the electrical network of controlling power supply, Inspection and monitoring system mainly comprises: operating table 9, display screen 10, be arranged on the sensors such as sensor I 15(blast, vibration and temperature at mine fan I 13 places), be arranged on the sensor II 16 at ventilator II 14 places and be arranged on sensor III 17(blast, wind speed or air quantity etc. in digging operation face roadway), operating table 9 inside PLC remote I/O Interface Modules, and switch is housed, the control means such as button and potentiometer, these devices are connected with PLC remote I/O Interface Module, are used for controlling opening of mine fan under manual mode, stop, simultaneously, be arranged on the blast at ventilator place, the sensor I 15 such as vibration and temperature, sensor II 16 and be arranged on blast in digging operation face roadway, the sensor such as wind speed or air quantity III 17 is connected with PLC remote I/O Interface Module with current forms, signaling lamp and Displaying Meter are housed on operating table 9, are used for showing running state and the Important Parameters of mine fan, display screen 10 is computer or process control machine, by the mode of network communication, with PLC, frequency variator carries out information exchange, can observe the power of key parameters and signal of interest situation such as motor I 11 and motor II 12 on display screen, power factor, voltage, electric current, frequency, the temperature of staor winding, the bearing temperature of mine fan I 13 and mine fan II 14, the horizontal and vertical vibration amplitude, the static pressure of digging operation face tunnel apoplexy, dynamic pressure, speed and flow etc., display screen 10 is with data, curve, the forms such as form are completed mine fan I 13, the key parameters of mine fan II 14 whole service processes and the real-time demonstration of signal of interest situation, real time record etc., the built-in communication network interface card of display screen 10 or in the PLC device, the network switch is set, and and PLC, frequency variator and mine Local Area Network form network communication, realization is carried out remote diagnosis and telecontrol to described mine fan and control system thereof, realize the automatic operating of mine fan, for those, mine that comprises digging operation face ventilation situation detection system has been housed, the signal of required digging operation face ventilation situation can by obtaining in the LAN of mine, needn't repeat sensor installation at the digging operation face, be provided with the closed loop control link in PLC device I 7 and PLC device II 8, blast, wind speed or the air volume signal of the relevant digging operation face feedback signal as closed loop will be collected, according to the setting value of blast, wind speed or air quantity and the difference between actual sample value, control the output frequency of frequency variator I 5 or frequency variator II 6, automatically regulate the ventilation of mine fan I 13 or mine fan II 14.
Fig. 1 is the control system that the present invention is directed to centrifugal fan, in Fig. 1, frequency variator I 5 drive motor I 11 and for mine fan I 13 provides power, frequency variator II 6 drive motor II 12 and for mine fan II 14 provides power form the driving style of " one-to-one "; In this embodiment, mine fan I 13, mine fan II 14 are centrifugal fan; PLC device I 7 and PLC device II 8 are controlled frequency variator I 5 and frequency variator II 6 respectively, the sensors such as sensor I 15 and sensor II 16(blast, vibration and temperature) respectively the working state of mine fan I 13, mine fan II 14 detected online, for two mine fans, control system is provided with the relative independentability facility in links such as frequency variator, control, detection and operations, guarantees to complete at short notice the mutual switching from work to stand-by state between two mine fans; Allow ventilator be in stand-by state, after ventilator is out of service, the switch of corresponding current supply circuit in electrical source of power feeder equipment 2 cuts out get final product, make ventilator in running order, before ventilator starts operation, the switch of corresponding current supply circuit in electrical source of power feeder equipment 2 is closed get final product, control system of the present invention to two-way independently current supply circuit interlock, guarantee two ventilators in running order and convenient work simultaneously and standby 's under normal working state mutual switching.
Fig. 2 the present invention is directed to one of control system of counter-rotating axial flow fan, in Fig. 2, a counter-rotating axial flow fan is driven by two motors, every frequency variator drags a motor, form the driving style of " one-to-one ", be different from Fig. 1, two frequency variators correspondence respectively drag two motors, and counter-rotating axial flow fan of the common driving of two motors, in like manner, another two frequency variators drag respectively corresponding two motors, jointly drive another counter-rotating axial flow fan by two motors; Adopt master and slave control mode between two frequency variators, between other two frequency variators, arranging wherein, a frequency variator is main frame, an other frequency variator is slave, being provided with speed and current closed-loop in main frame controls, slave is followed frequency and the curent change of main frame and is had the current closed-loop function, like this, in the situation that counter-rotating axial flow fan of the common driving of two motors, PLC just can reach counter-rotating axial flow fan is carried out speed governing to reach the purpose of regulating ventilation as long as the frequency variator as main frame is carried out output frequency to be controlled.
Fig. 3 be the present invention is directed to counter-rotating axial flow fan control system two, in Fig. 3, every frequency variator drags same the two motors in counter-rotating axial flow fan simultaneously, form the driving style of " one drag two ", be different from Fig. 2, a frequency variator drags two motors simultaneously, counter-rotating axial flow fan of the common driving of two motors, in like manner, an other frequency variator drags other two motors simultaneously, in addition the other counter-rotating axial flow fan of the common driving of two motors; In the present embodiment, the staor winding of two motors connects together and is connected with the output terminal of frequency variator, the staor winding of two motors connects together and is connected with the output terminal of an other frequency variator in addition, every two motors stator also should be noted phase sequence when connecing, and guarantees that the wind direction that in counter-rotating axial flow fan, impeller produces is consistent.
The above is only preferred embodiment of the present invention, and protection scope of the present invention is not limited to this, any all belong to protection domain of the present invention based on the equivalent transformation on technical solution of the present invention within.
Claims (5)
1. mine fan control system of automatically regulating air quantity, it is characterized in that: described control system includes frequency conversion system, PLC system and Inspection and monitoring system, described frequency conversion system includes: electrical source of power line leading device (1), electrical source of power feeder equipment (2) and frequency variator, for driving mine fan I (13), the motor I (11) of mine fan II (14), the ac power power supply that motor II (12) provides frequency and voltage variable, described PLC system includes: control electric power incoming line device (3), control power feed device (4) and PLC device I (7), PLC device II (8), described Inspection and monitoring system includes: operating table (9), display screen (10), be arranged on mine fan I place sensor I (15), be arranged on the sensor II (16) at mine fan II place and be arranged on sensor III (17) in digging operation face roadway, operating table (9) inside PLC remote I/O Interface Module, and switch, button and potentiometer controller spare are housed, these devices are used for controlling opening, stopping of mine fan under manual mode, simultaneously, operating table is equipped with signaling lamp and Displaying Meter on (9), be used for showing mine fan I (13), running state and the Important Parameters of mine fan II (14), display screen (10) is computer or process control machine, mode by network communication, with PLC, frequency variator carries out information exchange, can observe key parameters and signal of interest situation such as motor I (11) on display screen, the power of motor II (12), power factor, voltage, electric current, frequency, the temperature of staor winding, mine fan I (13), the bearing temperature of mine fan II (14), the horizontal and vertical vibration amplitude, the static pressure of digging operation face tunnel apoplexy, dynamic pressure, speed and flow, display screen (10) is completed the key parameters of mine fan whole service process and real-time demonstration, the real time record of signal of interest situation with data, curve and form, the built-in communication network interface card of display screen (10) or in the PLC device, the network switch is set, and form network communication with PLC, frequency variator and mine Local Area Network, realization is carried out remote diagnosis and telecontrol to mine fan and control system thereof, realizes the automatic operating of mine fan.
2. the mine fan control system of a kind of automatic adjusting air quantity according to claim 1, it is characterized in that: the mode of the relevant blast of digging operation face, wind speed or air quantity that the acquisition ventilator covers has two kinds, the first, blast, wind speed or the air flow sensor that can truly reflect digging operation face ventilation situation installed in place suitable in the tunnel, directly from these sensors with current forms sampling coherent signal, it two is, by network communication mode, the signal of required digging operation face ventilation situation can obtain indirectly by the mine LAN; Be provided with the closed loop control link in the PLC device, to sample blast, wind speed or the air volume signal of digging operation face as the closed-loop feedback signal, according to the difference between blast, wind speed or air quantity setting value and actual sample value, control the output frequency of frequency variator, the mine fan ventilation is automatically adjusted.
3. the mine fan control system of a kind of automatic adjusting air quantity according to claim 1, it is characterized in that: corresponding mine fan I (13), mine fan II (14), two cover hardware facility and tool relative independentabilities are set, the mutual switching from work to stand-by state between convenient two mine fans in speed governing, control, detection and operation link; Allow mine fan be in stand-by state, as long as after ventilator is out of service, the switch of corresponding current supply circuit in the electrical source of power feeder equipment cuts out get final product, make mine fan in running order, before ventilator started operation, the switch of corresponding current supply circuit in the electrical source of power feeder equipment is closed to be got final product; Described control system to two-way independently current supply circuit interlock, guarantee two ventilators in running order and convenient work simultaneously and standby 's under normal working state mutual switching.
4. the mine fan control system of a kind of automatic adjusting air quantity according to claim 1, is characterized in that: respectively the working state of mine fan I (13), mine fan II (14) is carried out online described sensor I (15), the sensor II (16) that detects and be connected with the remote I/O module of corresponding PLC.
5. the mine fan control system of a kind of automatic adjusting air quantity according to claim 1, it is characterized in that: have " one-to-one " and " one drag two " two kinds of driving styles between described frequency variator and motor, " one-to-one " driving style: a frequency variator drags a motor, has the situation of two motors for same counter-rotating axial flow fan, adopt main between two frequency variators, from control mode, arranging wherein, a frequency variator is main frame, another frequency variator is slave, being provided with speed and current closed-loop in main frame controls, slave is followed frequency and the curent change of main frame and is had the current closed-loop function, like this, in the situation that counter-rotating axial flow fan of the common driving of two motors, PLC controls as long as the frequency variator as main frame is carried out output frequency, just can reach counter-rotating axial flow fan is carried out speed governing to reach the purpose of regulating ventilation, " one drag two " driving style: a frequency variator drags two motors simultaneously, drives same counter-rotating axial flow fan by two motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104898927A CN103148007A (en) | 2012-11-27 | 2012-11-27 | Mine ventilating fan control system capable of automatically adjusting air quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104898927A CN103148007A (en) | 2012-11-27 | 2012-11-27 | Mine ventilating fan control system capable of automatically adjusting air quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148007A true CN103148007A (en) | 2013-06-12 |
Family
ID=48546265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104898927A Pending CN103148007A (en) | 2012-11-27 | 2012-11-27 | Mine ventilating fan control system capable of automatically adjusting air quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148007A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557898A (en) * | 2013-11-06 | 2014-02-05 | 中国矿业大学(北京) | Method for measuring flow of turbulent fluid in roadway based on key ring |
| CN103591041A (en) * | 2013-11-30 | 2014-02-19 | 南阳防爆集团股份有限公司 | Intelligent coal mine local ventilation system |
| CN103696975A (en) * | 2013-12-20 | 2014-04-02 | 苏州市职业大学 | PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller |
| CN104132437A (en) * | 2014-08-14 | 2014-11-05 | 上海嘉成轨道交通安全保障系统股份公司 | Air inlet mechanism of air purification system and control method |
| CN104360632A (en) * | 2014-11-25 | 2015-02-18 | 成都合瑞辰科技有限公司 | Things-internet-based ventilation device |
| CN104393795A (en) * | 2014-09-25 | 2015-03-04 | 唐山佳华煤化工有限公司 | One-to-two work method for coal charger walk frequency converter to control spiral feeding motor and walk motor |
| CN104832203A (en) * | 2015-05-19 | 2015-08-12 | 卢新明 | On-line closed loop optimally-adjusting-and-controlling method for mine ventilation system |
| CN108087317A (en) * | 2018-01-24 | 2018-05-29 | 洛阳智超机电科技有限公司 | A kind of Mine Ventilator air pressure air flow balance switching intelligence control system |
| CN110043497A (en) * | 2019-04-03 | 2019-07-23 | 华能淮阴第二发电有限公司 | A kind of blower automatic adjustment fault early warning method and system |
| CN112859722A (en) * | 2020-12-30 | 2021-05-28 | 安徽舒合网络信息科技有限公司 | Intelligent PLC system for laboratory ventilation |
| CN113931699A (en) * | 2021-10-12 | 2022-01-14 | 湖北宜化江家墩矿业有限公司 | Downhole ventilation safety comprehensive early warning method based on WebGIS platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814544A (en) * | 1994-06-29 | 1996-01-19 | Rinnai Corp | Ventilating device |
| CA2233381C (en) * | 1997-03-26 | 2002-02-26 | Air Handling Engineering Ltd. | Fan system with variable air volume control |
| CN201386678Y (en) * | 2009-02-19 | 2010-01-20 | 郁清林 | Automatic switch and frequency-variation speed control device of coal-mine local fan |
| CN201982142U (en) * | 2010-11-17 | 2011-09-21 | 重庆飞尔达机械有限责任公司 | Adaptive control system for coal mine main ventilator |
| CN202065011U (en) * | 2011-06-02 | 2011-12-07 | 邯郸市康创电气有限公司 | Monitoring system for main fans in mine shaft |
| CN102373941A (en) * | 2011-11-22 | 2012-03-14 | 平安电气股份有限公司 | Mining dual-power dual-fan ventilation system |
| CN202520354U (en) * | 2012-04-19 | 2012-11-07 | 重庆飞尔达机械有限责任公司 | Closed-loop control system of mine ventilator |
-
2012
- 2012-11-27 CN CN2012104898927A patent/CN103148007A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814544A (en) * | 1994-06-29 | 1996-01-19 | Rinnai Corp | Ventilating device |
| CA2233381C (en) * | 1997-03-26 | 2002-02-26 | Air Handling Engineering Ltd. | Fan system with variable air volume control |
| CN201386678Y (en) * | 2009-02-19 | 2010-01-20 | 郁清林 | Automatic switch and frequency-variation speed control device of coal-mine local fan |
| CN201982142U (en) * | 2010-11-17 | 2011-09-21 | 重庆飞尔达机械有限责任公司 | Adaptive control system for coal mine main ventilator |
| CN202065011U (en) * | 2011-06-02 | 2011-12-07 | 邯郸市康创电气有限公司 | Monitoring system for main fans in mine shaft |
| CN102373941A (en) * | 2011-11-22 | 2012-03-14 | 平安电气股份有限公司 | Mining dual-power dual-fan ventilation system |
| CN202520354U (en) * | 2012-04-19 | 2012-11-07 | 重庆飞尔达机械有限责任公司 | Closed-loop control system of mine ventilator |
Non-Patent Citations (1)
| Title |
|---|
| 仲明振等: "《高压变频器应用手册》", 31 May 2009, article "带式输送机的工作原理与变频器技术要求", pages: 90-92 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557898A (en) * | 2013-11-06 | 2014-02-05 | 中国矿业大学(北京) | Method for measuring flow of turbulent fluid in roadway based on key ring |
| CN103591041A (en) * | 2013-11-30 | 2014-02-19 | 南阳防爆集团股份有限公司 | Intelligent coal mine local ventilation system |
| CN103591041B (en) * | 2013-11-30 | 2016-06-08 | 南阳防爆集团股份有限公司 | Intelligent coal mine local ventilation system |
| CN103696975A (en) * | 2013-12-20 | 2014-04-02 | 苏州市职业大学 | PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller |
| CN104132437B (en) * | 2014-08-14 | 2017-08-29 | 上海嘉成轨道交通安全保障系统股份公司 | The air inlet mechanism and control method of air cleaning system |
| CN104132437A (en) * | 2014-08-14 | 2014-11-05 | 上海嘉成轨道交通安全保障系统股份公司 | Air inlet mechanism of air purification system and control method |
| CN104393795A (en) * | 2014-09-25 | 2015-03-04 | 唐山佳华煤化工有限公司 | One-to-two work method for coal charger walk frequency converter to control spiral feeding motor and walk motor |
| CN104360632A (en) * | 2014-11-25 | 2015-02-18 | 成都合瑞辰科技有限公司 | Things-internet-based ventilation device |
| CN104832203A (en) * | 2015-05-19 | 2015-08-12 | 卢新明 | On-line closed loop optimally-adjusting-and-controlling method for mine ventilation system |
| CN108087317A (en) * | 2018-01-24 | 2018-05-29 | 洛阳智超机电科技有限公司 | A kind of Mine Ventilator air pressure air flow balance switching intelligence control system |
| CN110043497A (en) * | 2019-04-03 | 2019-07-23 | 华能淮阴第二发电有限公司 | A kind of blower automatic adjustment fault early warning method and system |
| CN112859722A (en) * | 2020-12-30 | 2021-05-28 | 安徽舒合网络信息科技有限公司 | Intelligent PLC system for laboratory ventilation |
| CN113931699A (en) * | 2021-10-12 | 2022-01-14 | 湖北宜化江家墩矿业有限公司 | Downhole ventilation safety comprehensive early warning method based on WebGIS platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103148007A (en) | Mine ventilating fan control system capable of automatically adjusting air quantity | |
| CN201658910U (en) | Electric integrated control system of dust-cleaning apparatus | |
| CN202306287U (en) | Remote monitoring and fault diagnosis system for coal mill | |
| CN105756135B (en) | Frequency conversion constant voltage water supply intelligence control system based on thing networking | |
| CN103133381A (en) | Automatic frequency modulation control method of ventilator and device thereof | |
| CN202971259U (en) | Mine fan control system capable of automatically adjusting air volume | |
| CN104483933A (en) | Remote monitoring system of material mixing equipment | |
| CN204886560U (en) | A intelligent economize on electricity system for cold rolling main electric machine cooling fan | |
| CN201577060U (en) | Automatically-tracing liquid resistant speed-governing cabinet for polar plate | |
| CN105275632A (en) | Unattended control system for oil rig power pack | |
| CN204283831U (en) | Water treatment raw water pump frequency-converting control device | |
| CN111015986B (en) | Cutting device and cutting control method | |
| CN113482695A (en) | System and method for turning over coal mine single-air-door liquid-operated adjustable fan without stopping air flow | |
| CN201925139U (en) | Automatic control device of air compressor for mines | |
| CN203308756U (en) | Dynamic intelligent adjusting system for ventilator blade | |
| CN202788767U (en) | Automatic frequency conversion device of pumping unit | |
| CN104876144A (en) | Controlling device and method for frequency conversion and speed regulation of mining transportation winch | |
| CN105606385B (en) | A kind of control system and method for shortening air conditioner detection time | |
| CN202177803U (en) | Electric control system for multifunctional snow sweeper | |
| CN204536852U (en) | A kind of motor driving system | |
| CN205578247U (en) | Mud pump control system device | |
| CN203717162U (en) | Unattended control system for universal generator set | |
| CN102339032B (en) | Electrical control system for multifunctional snow cleaning vehicle | |
| CN106321482A (en) | Novel draught fan speed controller | |
| CN103573219A (en) | Automatic frequency conversion device and method for pumping units |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130612 |