CN110067764A - A kind of coal-mine local fan remotely switches and intelligent controlling device and control method - Google Patents
A kind of coal-mine local fan remotely switches and intelligent controlling device and control method Download PDFInfo
- Publication number
- CN110067764A CN110067764A CN201910293029.6A CN201910293029A CN110067764A CN 110067764 A CN110067764 A CN 110067764A CN 201910293029 A CN201910293029 A CN 201910293029A CN 110067764 A CN110067764 A CN 110067764A
- Authority
- CN
- China
- Prior art keywords
- parameter
- monitoring
- ventilation
- local
- frequency
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009423 ventilation Methods 0.000 claims abstract description 90
- 238000012544 monitoring process Methods 0.000 claims abstract description 83
- 230000007613 environmental effect Effects 0.000 claims abstract description 29
- 230000001276 controlling effect Effects 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000002159 abnormal effect Effects 0.000 claims description 25
- 230000033228 biological regulation Effects 0.000 claims description 22
- 239000003245 coal Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 238000012800 visualization Methods 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 38
- 238000005516 engineering process Methods 0.000 description 16
- 238000011161 development Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- 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
-
- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
A kind of coal-mine local fan remotely switch with intelligent controlling device and control method, be made of ground monitoring center, Industrial Ethernet communication system, booster Frequency Conversion Supervisory Control System and driving face environmental monitoring system；Ground monitoring center is made of central station and server；Industrial Ethernet communication system by fiber optic network, ethernet module and group of switches at；Ventilating Fan Monitoring System is made of fan condition monitoring sensor, outstation and frequency control component；Driving face environmental monitoring system is made of ventilation parameter monitoring sensor, outstation.System switches booster by long-range continuity point dynamic formula, realizes the unattended of local ventilation；By driving face monitoring data, analysis prediction required airflow establishes the optimal air quantity supply-demand mode model of driving face, according to booster characteristic curve library, running frequency needed for real-time searching carries out Intelligentized regulating and controlling, realizes local ventilation remote visualization and energy-saving safe.
Description
Technical field
The invention belongs to coal mine ventilation system air volume control fields more particularly to a kind of coal-mine local fan remotely to switch
With intelligent controlling device and control method.
Background technique
Mine ventilation system is one of most important system of Safety of Coal Mine Production, it can not only be for underground labour in a steady stream not
Disconnected conveying oxygen, and be also to dilute and be discharged the most effective means of underground toxic and harmful gas, reasonable mine ventilation system
System is the safe and healthy important leverage worked and prevented and fought natural adversities of underground labour.The environment of underground coal mine changes constantly, so
It is required that air feed system also dynamic change.Local ventilation place is that two fans, dual power supply and lock between air and electricity, gas electricity close
The safety prevention measure of lock, but mine is not only taken all using artificial to going to switch blower by the way of partial duty face at present
Between it is long, production efficiency is relatively low, and the probability for accident occur is bigger.The present invention can be realized to the long-range of booster
Automatically switch, the operating status of ventilation blower can be monitored in real time on ground, once fan trouble, can switch in time, guarantees pick
Into the safety in production of working face, continual production improves production efficiency.
Domestic and international mine generally goes acquisition local ventilation parameter by the way of artificial, and workload is very huge.So not
A large amount of manpower financial capacity is only wasted, and is difficult accurately to obtain local ventilation parameter, staff is also difficult timely to find
Existing security risk, to increase the probability that security risk turns to accident.Currently, driving face still passes through " a wind
Blow " mode not only waste a large amount of electric power resource to air supply of working face, but also there is also many security risks, with existing
The development of generation science and technology by Coalmine's Monitoring and Controlling System and computer technology, PLC control technology, air quantity intelligent control technology, is adjusted
The multiple fields knowledge such as Optimization Selection Algorithm, the intelligent software exploitation of branch are combined together, under different condition
The variation of required airflow analyzes booster frequency conversion and windage adjusting method, establishes air quantity adjustment Theory model appropriate, studies
The stability of ventilating system and certificate authenticity method in adjustment process realize studying and judging in advance to required airflow, and guarantee produced
The stability that air quantity is adjusted in journey.In order to adapt to coal market economy development requirement, the hair of China's coal-mine severe and great casualty is reduced
Raw, the construction of the intensive mine of high-yield and high-efficiency is the inexorable trend of coal in China development, and the exploitation of the safe green of mine is for I
The target struggled, the intelligent control theory and technology of the ventilating system exception of coal mine, which become, to be improved ventilating system and prevents and reduces natural disasters energy
The emphasis direction of power research, it is interim adjusting that current frequency converter, which is adjusted, and without adjusting connection with intelligent air quantity
Get up；Current local windage adjusting is mostly artificial de-regulation, and only the mechanical automation of local wind rate is adjusted, not
Form the adjusting of the intellectualizing system of full wind network system.
Summary of the invention:
The technical problem to be solved by the present invention is to the deficiencies for background technique to provide a method simplicity, sensitivity
Height, the good coal-mine local fan of using effect automatically switches and intelligent controlling device and method, by Coalmine's Monitoring and Controlling System
It is opened with Optimization Selection Algorithm, the intelligent software of computer technology, PLC control technology, air quantity intelligent control technology, adjusting branch
The multiple fields knowledge such as hair are combined together, and realize system by long-range continuity point dynamic formula and switch booster, real
Show the unattended of local ventilation；By driving face monitoring data, it is best to establish driving face for analysis prediction required airflow
Air quantity supply-demand mode model, according to booster characteristic curve library, running frequency needed for real-time searching is carried out intelligent
Regulation realizes local ventilation remote visualization and energy-saving safe, can effectively prevent the extremely caused disaster thing of all kinds of ventilations
Therefore.
The present invention uses following technical scheme to solve above-mentioned technical problem
A kind of coal-mine local fan remotely switches and intelligent controlling device, includes ground monitoring center, Industrial Ethernet
Communication system, underground local fan Frequency Conversion Supervisory Control System and underground automation examination monitoring system；
Wherein, underground automation examination monitoring system is used for real-time monitoring underground automation examination and environment
Parameter is studied and judged and predicts required airflow, determines working face supply-demand mode model；
Underground local fan Frequency Conversion Supervisory Control System is completed to play a game for the operating condition parameter of real-time monitoring local fan
The regulation of portion's fan operation frequency；
Industrial Ethernet communication system, the environmental parameter of the underground driving face for will acquire, ventilation parameter, part
The operating condition parameter of blower and the control instruction at ground monitoring center are transmitted；
Ground monitoring center leads to for monitoring the operating parameter of all driving face local fans of entire coal mine in real time
Long-range switching and intelligent control are rapidly realized when wind exception, are restored safe condition, be cannot exclude abnormal alarm.
Remotely switch as a kind of coal-mine local fan of the present invention further preferred with intelligent controlling device and method
Scheme, the underground automation examination monitoring system include downhole monitoring substation, ventilation parameter monitoring modular, environmental parameter
Acquisition module；
Downhole monitoring substation, environmental parameter and ventilation parameter for real-time monitoring underground ventilating network branches；
Ventilation parameter monitoring modular, for the ventilation parameter of real-time monitoring underground ventilating network branches, the ventilation parameter
Including wind speed, wind pressure, dry and wet air themperature；
Environmental parameter acquisition module, for the environmental parameter of real-time monitoring underground ventilating network branches, the environmental parameter
Include CH4Concentration, CO concentration, O2Concentration, CO2Concentration and temperature.
Remotely switch as a kind of coal-mine local fan of the present invention further preferred with intelligent controlling device and method
Scheme, the underground local fan Frequency Conversion Supervisory Control System include fan operation monitoring of working condition sensor, outstation and frequency conversion control
Component processed,
Local fan operating condition monitors sensor, for acquiring the operating condition parameter of blower in real time；The operation work
Condition parameter includes: air quantity, temperature, atmospheric pressure, negative pressure, total pressure, differential pressure, revolving speed, shaft temperature sensor, electric current, voltage, power, effect
Rate；
Outstation, the operating condition parameter for real-time monitoring local fan；
Frequency control component, for regulating and controlling the running frequency of local fan.
Remotely switch as a kind of coal-mine local fan of the present invention further preferred with intelligent controlling device and method
Scheme, the ground monitoring center include PLC controller, ethernet communication module, automation examination parameter display terminal
And server；
Wherein, local ventilation parameter display terminal, the local ventilation system for the multiple driving faces of the full mine of real-time display
System operating parameter；
PLC controller for the local ventilation system operating parameter to the received complete multiple driving faces of mine and carries out
Pretreatment；
Ethernet communication module is transmitted for the data of ground monitoring center and Industrial Ethernet communication system；
Server provides service for installing application software and functional software for user.
It is a kind of remotely switched based on coal-mine local fan with the control method of intelligent controlling device, it is specific to include following step
Suddenly；
Step 1, the switching of booster continuity point dynamic formula remote auto is realized in timing, and real-time monitoring record switched
Journey realizes the unattended of multiple groups booster；When switching is abnormal, system is alarmed by underground and is mutually tied with ground remote alarms
It closes and informs abnormal conditions；
Step 2, pass through the environment and ventilation parameter of the multiple driving face local ventilation system monitorings in underground, local fan
The operating condition parameter of monitoring system acquisition, and ground monitoring center is given by Industrial Ethernet communications system transmission, realize well
Under all automation examination states remote real time monitoring and early warning analysis；
Step 3, when the environmental parameter and ventilation parameter exception of the monitoring of underground driving face local ventilation system, then will
The environmental parameter of abnormal driving face, ventilation parameter are transmitted to ground monitoring center, and issue alarm；
Step 4, ground monitoring center is determined according to the environmental parameter and ventilation parameter of underground driving face by analysis
The best required airflow for calculating working face determines according to Q-F characteristic model and excludes abnormal local fan regulation and control scheme；Meanwhile
The ventilation parameter of preset ventilation model and monitoring carries out the safety examination of fan operation state in server maintenance data library,
Realize the advanced simulation of regulation scheme, the regulation scheme that simulating, verifying is drafted ensures the safety of adjustment process；If calculating local wind
Unit frequency is adjusted to 50HZ and throws away when cannot exclude abnormal Gas, then other measures are taken in alarm immediately；
Step 5, the regulation and control scheme of the local ventilation system energy-saving and emission-reduction under normality is specific as follows:
Driving face gas-monitoring data are counted, determine gas emission maximum value W0, blower working frequency f0, blower
Exhausting amount be Q0,The gas emission maximum value for defining current state is WN, blower working frequency is fN, the wind of latter hour
Machine working frequency is fT, the gas density early warning value c of setting0=0.5%；It is proposed that 5 kinds of gas and the linkage of blower frequency adjust rule
Then, the frequency conversion for meeting latter hour difference Gas adjusts wind to dilute automatically, specific as follows:
(1) rule 1 is adjusted: if current state gas emission increment value (WN-W0)∈[0,0.5M0], then blower frequency fN
=f0；The blower frequency initial value f of latter hourT=f0；
(2) rule 2 is adjusted: if current state gas emission increment value (WN-W0)∈(0.5M0, 0.9M0], then the same day
Blower frequency fN=f0, latter hour blower frequency initial value fTUp-regulation, increase air quantity can dilute Gas increment and be greater than
0.5M0Value；
(3) rule 3 is adjusted: if current state gas emission increment value (WN-W0) > 0.9M0, then blower frequency must on
It is adjusted to f'N, the gas of Abnormal Methane Emission is diluted by increasing air quantity；If driving face concentration ci≤c0=0.5%, then it is latter
Hour blower frequency initial value fT=f'N；If driving face concentration c after blower frequency modulationi≥c0=0.5%, it needs to take it
He administers driving face gas at measure；.
(4) rule 4 is adjusted: if current state gas emission decreasing value (W0-WN)∈[0,0.9M0], then current state wind
Unit frequency fN=f0；Then latter hour blower frequency initial value fT=f0；
(5) rule 5 is adjusted: if current state gas emission decreasing value (W0-WN) > 0.9M0, and duration is more than
2h, then current state blower frequency will be adjusted to f " downN, to realize energy-saving purpose；Then at the beginning of latter hour blower frequency
Initial value fT=f "N。
The invention adopts the above technical scheme compared with prior art, has following technical effect that
1, the present invention overcomes the shortcoming in prior art, and Coalmine's Monitoring and Controlling System and computer technology, PLC are controlled
The multiple fields knowledge such as technology processed, fan frequency conversion control technique, the Optimization Selection Algorithm for adjusting branch, intelligent software exploitation have
Machine combines, and realizes that the wind net intelligence in local ventilation abnormal period is adjusted and controlled；Mine local ventilator is long-range certainly
Dynamic switching and intelligent controlling device determined by parameter that downhole sensor, underground substation acquire volume of air supply number, avoid
Existing blower air feed " is cancelled all things together " phenomenon, to solve the problems, such as the on-demand air feed of Local Ventilation Equipment in Coal Mine.System is from safety and section
The requirement of energy is set out, the control system being composed using PLC and frequency converter, to rotation speed of fan real-time monitoring, reaches " long-range prison
Survey early warning, Human-machine Control combine, on-demand air feed intelligent control " effect, thus make mine local ventilator realize remotely from
Dynamic switching, energy-saving and emission-reduction, on-demand air feed, the function of preventing and reducing natural disasters.
2, it aiming at the problem that underground local ventilating machine in coal mine and standby fan periodically switch, proposes to use Monitoring for Coal Mine
Technology and computer technology, PLC control technology realize long-range continuity point dynamic formula switching booster, realize local ventilation
It is unattended；By driving face monitoring data, analysis prediction required airflow establishes the optimal air quantity supply and demand of driving face
With model, according to booster characteristic curve library, running frequency needed for real-time searching carries out Intelligentized regulating and controlling, realization office
Portion's ventilation remote visualization and energy-saving safe, can effectively prevent the extremely caused disaster accident of all kinds of ventilations.
Detailed description of the invention
Fig. 1 is that this coal-mine local fan remotely switches and intelligent controlling device schematic diagram.
Specific embodiment:
Further explanation is done to the present invention with reference to the accompanying drawing.
According to limitation of the existing technology, we develop a kind of coal-mine local fan and remotely switch and intelligent control
Device.The device divides Coalmine's Monitoring and Controlling System and computer technology, PLC control technology, fan frequency conversion control technique, adjusting
The multiple fields knowledge such as Optimization Selection Algorithm, the intelligent software exploitation of branch are combined together.Realizing both can basis
Development end ventilation state carries out remote spots dynamic formula switching booster and standby fan, and can be monitored according to sensor logical
The variation of wind parameter, the operating status of ventilation equipment, the operating parameter of local fan and local ventilation parameter, by underground point
The data for statistics of standing, intelligence software can make each local ventilation parameter and correctly study and judge, so that the air quantity that notes abnormalities, passes through
Server compares and analyzes ventilation parameter model preset in database and the ventilation parameter monitored, and carries out high speed
Iterative, can intelligence computation go out the solution regulation and control scheme of ventilation parameter exception, and carry out safety check, simulating, verifying
Afterwards, remind the staff of ground monitoring central station that air quantity is adjusted, automatically by adjusting ventilation equipment and local fan
Electric machine frequency makes air quantity meet needs, to reach safe state.The device can also realize the advanced mould of ventilation scheme
It is quasi-, early warning is carried out to the air quantity abnormal conditions that may occur.Coal-mine local fan remotely switches to be realized with intelligent controlling device
Remote auto switching, energy-saving and emission-reduction, on-demand air feed, the function of preventing and reducing natural disasters, can effectively prevent causes because ventilation is abnormal
Mine disaster accident generation.
Concrete scheme is as follows:
As shown in Figure 1, a kind of coal-mine local fan remotely switches and intelligent controlling device and method, by ground monitoring
The heart, Industrial Ethernet communication system, booster Frequency Conversion Supervisory Control System and driving face environmental monitoring system composition；Ground
Monitoring center is made of central station and server；Industrial Ethernet communication system is by fiber optic network, ethernet module and interchanger
Composition；Ventilating Fan Monitoring System is made of fan condition monitoring sensor, outstation and frequency control component；Headwork
Face environmental monitoring system is made of ventilation parameter monitoring sensor, outstation.System passes through long-range continuity point dynamic formula switching office
Portion's ventilation blower realizes the unattended of local ventilation；By driving face monitoring data, analysis prediction required airflow establishes pick
Into the optimal air quantity supply-demand mode model of working face, according to booster characteristic curve library, operation frequency needed for real-time searching
Rate carries out Intelligentized regulating and controlling, realizes local ventilation remote visualization and energy-saving safe.
When monitoring to divulge information abnormal, server joins ventilation parameter model preset in database and the ventilation monitored
Number compares and analyzes, and carries out the Iterative of high speed, can intelligence computation go out the solution regulation side of ventilation parameter exception
Case, and after carrying out safety check, simulating, verifying regulation scheme, the ventilation parameter of real-time monitoring ventilation network intelligence adjustment process and
Exclude abnormal effect.
The ground monitoring center is by PLC controller, EM243 ethernet communication module, automation examination parameter
Display terminal and host computer server composition.PLC controller selects SIEMENS PLC S7-200 series, including S7-224, S7-
226, S7-231, S7-232；Ethernet communication module selects S7-243 to connect with underground gigabit ethernet switch；Heading driver
Make face ventilation parameter display terminal, ventilation ginseng is subjected to real-time display in server terminal by working out man-machine friendly forms；Clothes
Magnificent RICH-300B industrial computer series are ground in business device, selection.
The driving face environmental monitoring system includes downhole monitoring substation, tunneling ventilation parameter monitoring module, ring
Border parameter collection module and local ventilation equipment control module.Subsurface environment parameter collection module includes temperature sensor, an oxygen
Change carbon sensor, carbon dioxide sensor, oxygen sensor, gas concentration sensor.Environmental parameter acquisition module includes each point
Temperature sensor, air velocity transducer, B/P EGR Back Pressure Transducer EGR, wet and dry bulb temperature sensor in branch.Methane, an oxidation can be acquired
The environmental parameters such as carbon, carbon dioxide, temperature, the ventilation parameters such as the wind speed (air quantity) of digging laneway, negative pressure, wet and dry bulb temperature, and
It can be according to the state of instruction control underground ventilating facility.Local ventilation facility control assembly includes for controlling ventilation equipment switch
The power device and monitoring sensor of state.
The Industrial Ethernet communication system includes fiber optic network, ethernet module and interchanger.The ethernet communication
The transmission medium of network system is optical fiber, is annular networking structure.
The local fan Frequency Conversion Supervisory Control System includes fan operation monitoring of working condition sensor, outstation and frequency conversion control
Component processed.The operating condition parameter monitoring module of blower includes air velocity transducer, wind pressure sensor, dynamic pressure sensing in each branch
Device, static pressure transducer, differential pressure pick-up, shaft temperature sensor, speed probe etc. carry out sampling monitoring using EM231 module；With
And the parameters of electric machine such as electric current, voltage, power, efficiency mainly use EDA9033 module to carry out sampling monitoring；Fan frequency conversion control group
Part mainly uses EM232 module and transmission function (PID) to adjust model cootrol and adjusts the frequency converter of blower.
Its model of the air velocity transducer are as follows: GFW15 type, mining intrinsic safety type.
Its model of the firedamp sensor are as follows: GJ40A type, I mining intrinsic safety of Exibd and flame-proof type, it can be continuous
Methane concentration value is automatically converted into standard electric signal and sends associate device to, detection range is 0.00% -40.0%.
Its model of the carbon monoxide transducer are as follows: GTH1000 type, ExibI essential safe type, measurement range 0
The response time of~1000ppm, the sensor should be not more than 30s, degree of protection IP54.
The specific working principle is as follows:
Step 1, it should once be worked normally daily according to " safety regulations in coal mine " the 164th article of regulation
Booster and spare booster automatically switch to test, and local ventilation must not be influenced during test, test data sheet will deposit
Shelves are for future reference.By the development of the system, the switching of booster continuity point dynamic formula remote auto is realized in timing, and real-time monitoring is remembered
Handoff procedure is recorded, realizes the unattended of multiple groups booster；When switching is abnormal, system is alarmed long-range with ground by underground
Alarm combines informing abnormal conditions.
Step 2, pass through the environment and ventilation parameter of the multiple driving face local ventilation system monitorings in underground, local fan
The operating condition parameter of monitoring system acquisition, and ground monitoring center is given by Industrial Ethernet communications system transmission, realize well
Under all automation examination states remote real time monitoring and early warning analysis；
Step 3, when the environmental parameter and ventilation parameter exception of the monitoring of underground driving face local ventilation system, then will
The environmental parameter of abnormal driving face, ventilation parameter are transmitted to ground monitoring center, and issue alarm；
Step 4, ground monitoring center is determined according to the environmental parameter and ventilation parameter of underground driving face by analysis
The best required airflow for calculating working face determines according to Q-F characteristic model and excludes abnormal local fan regulation and control scheme；Meanwhile
The ventilation parameter of preset ventilation model and monitoring carries out the safety examination of fan operation state in server maintenance data library,
Realize the advanced simulation of regulation scheme, the regulation scheme that simulating, verifying is drafted ensures the safety of adjustment process；If calculating part
Blower frequency is adjusted to 50HZ and throws away when cannot exclude abnormal Gas, and other measures are taken in alarm immediately.
Step 5, the regulation and control scheme of the local ventilation system energy-saving and emission-reduction under normality is specific as follows:
According to the Gas Emission Regularity in Heading Face of colliery scene actual measurement statistics, proposes and monitored based on gas emission
Wind method is adjusted with the intelligence of fan frequency conversion tune wind dilution gas.In order to avoid blower working frequency adjust it is excessively frequent, propose with
Hour is that unit is studied and judged and adjusted, and realizes the Dynamic control of driving face Gas and the supply-demand mode of air quantity.System
Driving face gas-monitoring data are counted, determine gas emission maximum value W0, blower working frequency f0, the exhausting amount of blower is
Q0.The 136th article of " safety regulations in coal mine ": the distinguished and admirable middle gas density of exploiting field air return lane, getting working face air return lane is more than
When 1.0%, it is necessary to stop working, withdraw from personnel, take measures, be handled.Therefore, we set gas density 0.5% and are
Daily management early warning value, 0.5%Q0With gas emission maximum value W0The difference being compared is known as the surplus capacity of Fan Regulation
M0.The gas emission maximum value for defining current state is WN, blower working frequency is fN, the blower working frequency of latter hour
For fT, the gas density early warning value c of setting0=0.5%.It proposes that 5 kinds of gas and the linkage of blower frequency adjust rule, meets latter
The hour frequency conversion of different Gas adjusts wind to dilute automatically:
(1) rule 1 is adjusted: if current state gas emission increment value (WN-W0)∈[0,0.5M0], then blower frequency
fN=f0；The blower frequency initial value f of latter hourT=f0。
(2) rule 2 is adjusted: if current state gas emission increment value (WN-W0)∈(0.5M0, 0.9M0], then the same day
Blower frequency fN=f0, latter hour blower frequency initial value fTUp-regulation, increase air quantity can dilute Gas increment and be greater than
0.5M0Value.
(3) rule 3 is adjusted: if current state gas emission increment value (WN-W0) > 0.9M0, then blower frequency is necessary
On be adjusted to f'N, the gas of Abnormal Methane Emission is diluted by increasing air quantity.If driving face concentration ci≤c0=0.5%, it is latter
Hour blower frequency initial value fT=f'N；If driving face concentration c after blower frequency modulationi≥c0=0.5%, it needs to take it
He administers driving face gas at measure.
(4) rule 4 is adjusted: if current state gas emission decreasing value (W0-WN)∈[0,0.9M0], then current state
Blower frequency fN=f0；Latter hour blower frequency initial value fT=f0。
(5) rule 5 is adjusted: if current state gas emission decreasing value (W0-WN) > 0.9M0, and duration is more than
2h, then current state blower frequency will be adjusted to f " downN, to realize energy-saving purpose.Latter hour blower frequency is initial
Value fT=f "N。
Claims (5)
1. a kind of coal-mine local fan remotely switches and intelligent controlling device, it is characterised in that: include ground monitoring center, work
Industrial Ethernet communication system, underground local fan Frequency Conversion Supervisory Control System and underground automation examination monitoring system；
Wherein, underground automation examination monitoring system is used for real-time monitoring underground automation examination and environmental parameter,
It studies and judges and predicts required airflow, determine working face supply-demand mode model；
Underground local fan Frequency Conversion Supervisory Control System is completed for the operating condition parameter of real-time monitoring local fan to local wind
The regulation of machine running frequency；
Industrial Ethernet communication system, the environmental parameter of the underground driving face for will acquire, ventilation parameter, local fan
Operating condition parameter and the control instruction at ground monitoring center transmitted；
It divulges information different for monitoring the operating parameter of all driving face local fans of entire coal mine in real time at ground monitoring center
Long-range switching and intelligent control are rapidly realized when often, are restored safe condition, be cannot exclude abnormal alarm.
2. a kind of coal-mine local fan according to claim 1 remotely switches and intelligent controlling device, it is characterised in that:
The underground automation examination monitoring system includes downhole monitoring substation, ventilation parameter monitoring modular, environmental parameter acquisition
Module；
Downhole monitoring substation, environmental parameter and ventilation parameter for real-time monitoring underground ventilating network branches；
Ventilation parameter monitoring modular, for the ventilation parameter of real-time monitoring underground ventilating network branches, the ventilation parameter includes
Wind speed, wind pressure, dry and wet air themperature；
Environmental parameter acquisition module, for the environmental parameter of real-time monitoring underground ventilating network branches, the environmental parameter includes
CH4Concentration, CO concentration, O2Concentration, CO2Concentration and temperature.
3. a kind of coal-mine local fan according to claim 1 remotely switches and intelligent controlling device and method, spy
Sign is: the underground local fan Frequency Conversion Supervisory Control System includes fan operation monitoring of working condition sensor, outstation and frequency conversion
Control assembly,
Local fan operating condition monitors sensor, for acquiring the operating condition parameter of blower in real time；The operating condition ginseng
Number includes: air quantity, temperature, atmospheric pressure, negative pressure, total pressure, differential pressure, revolving speed, shaft temperature sensor, electric current, voltage, power, efficiency；
Outstation, the operating condition parameter for real-time monitoring local fan；
Frequency control component, for regulating and controlling the running frequency of local fan.
4. a kind of coal-mine local fan according to claim 1 remotely switches and intelligent controlling device and method, spy
Sign is: the ground monitoring center is whole comprising PLC controller, ethernet communication module, the display of automation examination parameter
End and server；
Wherein, local ventilation parameter display terminal, the local ventilation system for the multiple driving faces of the full mine of real-time display are transported
Row parameter；
PLC controller is located for the local ventilation system operating parameter to the received complete multiple driving faces of mine and in advance
Reason；
Ethernet communication module is transmitted for the data of ground monitoring center and Industrial Ethernet communication system；
Server provides service for installing application software and functional software for user.
5. a kind of remotely switched and the control of intelligent controlling device based on a kind of coal-mine local fan described in claim 1 to 5
Method, which is characterized in that specifically include the following steps；
Step 1, the switching of booster continuity point dynamic formula remote auto is realized in timing, and real-time monitoring records handoff procedure, real
Now multiple groups booster is unattended；When switching is abnormal, system is alarmed by underground and combines announcement with ground remote alarms
Know abnormal conditions；
Step 2, pass through the environment and ventilation parameter of the multiple driving face local ventilation system monitorings in underground, local fan monitoring
The operating condition parameter of system acquisition, and ground monitoring center is given by Industrial Ethernet communications system transmission, realize underground institute
There are the remote real time monitoring and early warning analysis of automation examination state；
It step 3, then will be abnormal when the environmental parameter and ventilation parameter exception of the monitoring of underground driving face local ventilation system
The environmental parameter of driving face, ventilation parameter are transmitted to ground monitoring center, and issue alarm；
Step 4, ground monitoring center is determined by analysis and is calculated according to the environmental parameter and ventilation parameter of underground driving face
The best required airflow of working face out determines according to Q-F characteristic model and excludes abnormal local fan regulation and control scheme；Meanwhile it servicing
The ventilation parameter of preset ventilation model and monitoring carries out the safety examination of fan operation state in device maintenance data library, realizes
The advanced simulation of regulation scheme, the regulation scheme that simulating, verifying is drafted ensure the safety of adjustment process；If calculating local fan frequency
Rate is adjusted to 50HZ and throws away when cannot exclude abnormal Gas, then other measures are taken in alarm immediately；
Step 5, the regulation and control scheme of the local ventilation system energy-saving and emission-reduction under normality is specific as follows:
Driving face gas-monitoring data are counted, determine gas emission maximum value W0, blower working frequency f0, the pumping of blower
Air quantity is Q0, the gas emission maximum value for defining current state is WN, blower working frequency is fN, the fanman of latter hour
Working frequency is fT, the gas density early warning value c of setting0=0.5%；It is proposed that 5 kinds of gas and the linkage of blower frequency adjust rule, it is full
The frequency conversion of the latter hour difference Gas of foot adjusts wind to dilute automatically, specific as follows:
(1) rule 1 is adjusted: if current state gas emission increment value (WN-W0)∈[0,0.5M0], then blower frequency fN=f0；
The blower frequency initial value f of latter hourT=f0；
(2) rule 2 is adjusted: if current state gas emission increment value (WN-W0)∈(0.5M0, 0.9M0], then the same day blower
Frequency fN=f0, latter hour blower frequency initial value fTUp-regulation, Gas increment can be diluted greater than 0.5M by increasing air quantity0
Value；
(3) rule 3 is adjusted: if current state gas emission increment value (WN-W0) > 0.9M0, then blower frequency must on be adjusted to
f'N, the gas of Abnormal Methane Emission is diluted by increasing air quantity；If driving face concentration ci≤c0=0.5%, then latter hour
Blower frequency initial value fT=f'N；If driving face concentration c after blower frequency modulationi≥c0=0.5%, it needs that other is taken to arrange
Treat reason driving face gas；.
(4) rule 4 is adjusted: if current state gas emission decreasing value (W0-WN)∈[0,0.9M0], then current state blower frequency
Rate fN=f0；Then latter hour blower frequency initial value fT=f0；
(5) rule 5 is adjusted: if current state gas emission decreasing value (W0-WN) > 0.9M0, and duration is more than 2h,
Then current state blower frequency will be adjusted to f " downN, to realize energy-saving purpose；Then latter hour blower frequency initial value
fT=f "N。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293029.6A CN110067764B (en) | 2019-04-12 | 2019-04-12 | Remote switching and intelligent regulation and control device for local ventilator of coal mine and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293029.6A CN110067764B (en) | 2019-04-12 | 2019-04-12 | Remote switching and intelligent regulation and control device for local ventilator of coal mine and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067764A true CN110067764A (en) | 2019-07-30 |
| CN110067764B CN110067764B (en) | 2021-05-11 |
Family
ID=67367663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293029.6A Active CN110067764B (en) | 2019-04-12 | 2019-04-12 | Remote switching and intelligent regulation and control device for local ventilator of coal mine and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110067764B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953011A (en) * | 2019-12-18 | 2020-04-03 | 西安重装矿山电器设备有限公司 | Automatic air door remote control system |
| CN111206951A (en) * | 2020-01-22 | 2020-05-29 | 中铁隧道局集团有限公司 | Tunnel energy-saving ventilation method based on air volume and power of fan |
| CN111489609A (en) * | 2020-06-08 | 2020-08-04 | 中国矿业大学 | Fan performance detection experiment teaching system and method based on virtual reality |
| CN112177661A (en) * | 2020-08-28 | 2021-01-05 | 中国矿业大学 | Accurate monitoring and abnormity early warning system and method for local ventilation parameters of coal mine |
| CN113530589A (en) * | 2021-07-29 | 2021-10-22 | 西安重装韩城煤矿机械有限公司 | Intelligent local ventilation system and method for supplying air to coal mine driving face according to needs |
| CN113700516A (en) * | 2021-09-02 | 2021-11-26 | 西安重装韩城煤矿机械有限公司 | Remote switching device and method for coal mine variable-frequency local ventilator |
| CN113790076A (en) * | 2021-09-29 | 2021-12-14 | 重庆工程职业技术学院 | Intelligent ventilation system and method for air intake flow of coal mine excavation working face |
| CN114017090A (en) * | 2021-10-20 | 2022-02-08 | 中国计量大学 | Intelligent control system and method for mine main fan |
| CN114135337A (en) * | 2021-11-29 | 2022-03-04 | 西安石油大学 | Internet of things mine ventilation remote monitoring management system based on LSTM network |
| CN114151123A (en) * | 2021-11-26 | 2022-03-08 | 西安重装韩城煤矿机械有限公司 | Intelligent monitoring system for local ventilator of coal mine |
| CN114151122A (en) * | 2021-11-26 | 2022-03-08 | 西安重装韩城煤矿机械有限公司 | Mining intelligent local ventilation system |
| CN114622944A (en) * | 2022-04-19 | 2022-06-14 | 中国矿业大学 | On-demand frequency conversion air regulating system and method for combined operation of multiple mine fans |
| CN114673558A (en) * | 2022-04-12 | 2022-06-28 | 中国矿业大学 | Coal mine driving face risk identification and intelligent pre-control system and method |
| CN117073142A (en) * | 2023-06-30 | 2023-11-17 | 中建三局集团有限公司 | Complex underground cavern air quality dynamic control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN206071931U (en) * | 2016-09-30 | 2017-04-05 | 平顶山天安煤业股份有限公司 | A kind of Coal Mine Undergound Fan M ＆ system |
| CN107288677A (en) * | 2017-06-28 | 2017-10-24 | 中国矿业大学 | A kind of coalmine ventilation parameter intelligentization monitoring regulation device and its control method |
| CN109578045A (en) * | 2018-12-03 | 2019-04-05 | 中国矿业大学 | The Fan Regulation method, apparatus and electronic equipment of face gas density are adopted in regulation |
-
2019
- 2019-04-12 CN CN201910293029.6A patent/CN110067764B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN206071931U (en) * | 2016-09-30 | 2017-04-05 | 平顶山天安煤业股份有限公司 | A kind of Coal Mine Undergound Fan M ＆ system |
| CN107288677A (en) * | 2017-06-28 | 2017-10-24 | 中国矿业大学 | A kind of coalmine ventilation parameter intelligentization monitoring regulation device and its control method |
| CN109578045A (en) * | 2018-12-03 | 2019-04-05 | 中国矿业大学 | The Fan Regulation method, apparatus and electronic equipment of face gas density are adopted in regulation |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953011A (en) * | 2019-12-18 | 2020-04-03 | 西安重装矿山电器设备有限公司 | Automatic air door remote control system |
| CN111206951A (en) * | 2020-01-22 | 2020-05-29 | 中铁隧道局集团有限公司 | Tunnel energy-saving ventilation method based on air volume and power of fan |
| CN111206951B (en) * | 2020-01-22 | 2021-09-14 | 中铁隧道局集团有限公司 | Tunnel energy-saving ventilation method based on air volume and power of fan |
| CN111489609A (en) * | 2020-06-08 | 2020-08-04 | 中国矿业大学 | Fan performance detection experiment teaching system and method based on virtual reality |
| CN112177661A (en) * | 2020-08-28 | 2021-01-05 | 中国矿业大学 | Accurate monitoring and abnormity early warning system and method for local ventilation parameters of coal mine |
| CN113530589B (en) * | 2021-07-29 | 2024-04-19 | 西安重装韩城煤矿机械有限公司 | Intelligent local ventilation system and method for on-demand air supply of coal mine tunneling working face |
| CN113530589A (en) * | 2021-07-29 | 2021-10-22 | 西安重装韩城煤矿机械有限公司 | Intelligent local ventilation system and method for supplying air to coal mine driving face according to needs |
| CN113700516A (en) * | 2021-09-02 | 2021-11-26 | 西安重装韩城煤矿机械有限公司 | Remote switching device and method for coal mine variable-frequency local ventilator |
| CN113790076A (en) * | 2021-09-29 | 2021-12-14 | 重庆工程职业技术学院 | Intelligent ventilation system and method for air intake flow of coal mine excavation working face |
| CN114017090A (en) * | 2021-10-20 | 2022-02-08 | 中国计量大学 | Intelligent control system and method for mine main fan |
| CN114151123A (en) * | 2021-11-26 | 2022-03-08 | 西安重装韩城煤矿机械有限公司 | Intelligent monitoring system for local ventilator of coal mine |
| CN114151122A (en) * | 2021-11-26 | 2022-03-08 | 西安重装韩城煤矿机械有限公司 | Mining intelligent local ventilation system |
| CN114135337A (en) * | 2021-11-29 | 2022-03-04 | 西安石油大学 | Internet of things mine ventilation remote monitoring management system based on LSTM network |
| CN114673558A (en) * | 2022-04-12 | 2022-06-28 | 中国矿业大学 | Coal mine driving face risk identification and intelligent pre-control system and method |
| CN114673558B (en) * | 2022-04-12 | 2023-01-31 | 中国矿业大学 | Coal mine driving face risk identification and intelligent pre-control system and method |
| CN114622944A (en) * | 2022-04-19 | 2022-06-14 | 中国矿业大学 | On-demand frequency conversion air regulating system and method for combined operation of multiple mine fans |
| CN114622944B (en) * | 2022-04-19 | 2023-02-24 | 中国矿业大学 | On-demand frequency conversion air adjusting system and method for mine multi-fan combined operation |
| CN117073142A (en) * | 2023-06-30 | 2023-11-17 | 中建三局集团有限公司 | Complex underground cavern air quality dynamic control method |
| CN117073142B (en) * | 2023-06-30 | 2024-06-07 | 中建三局集团有限公司 | Complex underground cavern air quality dynamic control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110067764B (en) | 2021-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110067764A (en) | A kind of coal-mine local fan remotely switches and intelligent controlling device and control method | |
| CN107288677B (en) | A kind of coalmine ventilation parameter intelligentization monitoring regulation device and its control method | |
| CN102789220B (en) | System energy consumption process management device and system energy consumption process management control method | |
| CN109656204B (en) | Ultralow-emission intelligent environment-friendly island system of coal-fired power plant | |
| CN103953393A (en) | Mine ventilation system partitioning stabilized dynamic monitoring and pre-warning system | |
| CN202310111U (en) | Base station remote monitoring system based on embedded wireless network | |
| CN207251671U (en) | Wisdom piping lane comprehensive management platform | |
| CN114135337A (en) | Internet of things mine ventilation remote monitoring management system based on LSTM network | |
| CN114069856A (en) | Remote monitoring system and method for electric vehicle charging facility | |
| CN114710762A (en) | Water meter low-power consumption and rapid instruction response system based on NBIOT (network-based input/output) Internet of things | |
| CN111596643A (en) | Visual dynamic energy consumption diagnosis, analysis and pre-control system based on big data | |
| CN204140130U (en) | Colliery portable blower automated system | |
| CN115047816A (en) | Building electrical energy-saving monitoring method | |
| CN116168502B (en) | Energy-saving control system of fire sensor of self-optimizing industrial park | |
| CN202068207U (en) | Intelligent storage battery formation charging and discharging integrated mechanism and control system | |
| CN108536198A (en) | The application method of key water control project remote measuring and controlling system, device and device | |
| CN205485522U (en) | Energy efficiency management system | |
| CN111697705A (en) | Power distribution integrated device based on multi-source information control | |
| CN116163810A (en) | Coal mine environment safety monitoring system and method | |
| CN105404214A (en) | Solar aerator intelligent control system and method | |
| CN214376583U (en) | Management system for grounding wire of power line operation site | |
| CN108646629A (en) | A kind of underground coal mine high-temperature dust monitoring system and control method based on ZigBee technology | |
| CN112669170A (en) | Intelligent energy saving method and system | |
| CN113280862A (en) | Ultra-low power consumption remote analog quantity monitoring device and method | |
| CN112212470A (en) | Centralized management system for energy-saving control of air-conditioning heating and ventilation project |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221024 Address after: No. 12, Luoshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou, Jiangsu 221000 Patentee after: XUZHOU ZHONGKUANG KEGUANG MACHINE & ELECTRICITY TECHNIQUE Co.,Ltd. Address before: 221116 No. 1 Tongshan University Road, Xuzhou City, Jiangsu Province Patentee before: CHINA University OF MINING AND TECHNOLOGY |
|
| TR01 | Transfer of patent right |