CN203035263U - Underground ventilation monitoring system - Google Patents
Underground ventilation monitoring system Download PDFInfo
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- CN203035263U CN203035263U CN 201320024482 CN201320024482U CN203035263U CN 203035263 U CN203035263 U CN 203035263U CN 201320024482 CN201320024482 CN 201320024482 CN 201320024482 U CN201320024482 U CN 201320024482U CN 203035263 U CN203035263 U CN 203035263U
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Abstract
The utility model discloses an underground ventilation monitoring system comprises a standard atmospheric pressure tube, a plurality of relative pressure sensors, a plurality of air velocity transducers and a plurality of communication systems, wherein the standard atmospheric pressure tube is used for supplying ground standard atmospheric pressure laid from a down cast along a roadway to the underground, the ground standard atmospheric pressure serves as the reference value of each underground measuring point, the relative pressure sensors are respectively arranged on each roadway node and are used for generating and outputting relative pressure signals, the velocity transducers are respectively arranged on each roadway node and are used for generating and outputting air speed signals, and the communication systems are respectively connected with the plurality of pressure sensors and the plurality of air velocity transducers and are used for transmitting the relative pressure signals and the air speed signals to a monitoring center. According to the underground ventilation monitoring system, by means of monitoring a mine ventilation system, the whole mine ventilation system is displayed visually and dynamically, and decision bases are supplied for mine ventilation system management, adjustment and decision, rescue and relief work, and personnel escape. In addition, the underground ventilation monitoring system is scientific, advanced, simple, convenient and visible, and saves cost for enterprise operating production.
Description
Technical field:
The utility model relates to the downhole safety technical field, is specifically related to ventilation monitoring and control system under a kind of down-hole the ventilation monitoring system, particularly coal mine.
Background technology:
In recent years, the safety in production of coal in China system has been gone up a very big step on technology and equipment, but there are a lot of potential safety hazards, relate to coal mine safety monitoring system in the six big systems that force at present to promote, be mainly used to particularly serious accidents such as monitoring and early warning gas, fire, bump, for example monitor methane concentration, wind speed, blast, feed condition, air door state, air duct state, booster start-stop, main fan start-stop etc.When gas exceeding limit or booster is out of service or during the digging laneway blowing-out, cut off power supply and the locking of relevant range automatically, report to the police simultaneously.In addition, coal mine safety monitoring system is also being brought into play important effect in emergency management and rescue and accident investigation, and after accident such as gas (coal dust) blast took place under the coal mine, the monitoring record of system was to determine one of important evidence such as time of casualty, quick-fried source, burning things which may cause a fire disaster.
The coal mine safety monitoring system that install in present domestic colliery, also fail really to realize monitoring and the control of ventilation system under the coal mine, mainly mostly still survey wind and patrol and examine by artificial, workload is big, efficient is low, can not in time find risk, thereby bring potential safety hazard to downhole production.Given this, if a kind of solution at above-mentioned technical problem can be arranged, this dreams of numerous coal mining enterprises, namely can monitor each node pressure, the air quantity in each tunnel, windage, the wind direction of ventilation system under the coal mine, can control simultaneously the unlatching of air door, regulate the distinguished and admirable and air quantity of down-hole wind path, realize monitoring and the control of ventilation system under the real coal mine.
The utility model content
At above-mentioned the deficiencies in the prior art, the utility model provides a kind of down-hole ventilation monitoring system, it is by monitoring the mine ventilation system data, with the whole mine ventilation system intuitively, dynamically show, not only carry out the ventilation system management and adjust decision-making analysis platform is provided for bargh, helping prediction in time and to find the ventilation system weak link, also for prediction scheme formulation and the inverted ventilation of rescue and relief work, personnel escape's route and press wind that foundation is provided; In addition, this down-hole ventilation monitoring system science, advanced person, easy, directly perceived are for enterprise's work production has been saved cost.
For realizing above-mentioned purpose of the present utility model, ventilation monitoring system in down-hole of the present utility model comprises: lay to the down-hole along the tunnel from downcast and be used to provide the atmospheric normal atmosphere pressure pipe of ground standard, it is with a reference value of ground standard atmospheric pressure as each measuring point of down-hole; Be separately positioned on a plurality of relative pressure sensors at each node place, tunnel, down-hole, each relative pressure sensor connects described normal atmosphere pressure pipe respectively, be used for measuring each tunnel node with respect to the atmospheric relative pressure of ground standard, and produce and output relative pressure signal; Be separately positioned on a plurality of air velocity transducers at each node place, tunnel, be used for measuring the wind speed of each tunnel node, and produce and the output wind velocity signal; And the communication system that connects described a plurality of pressure sensor and described a plurality of air velocity transducers respectively, be used for sending described relative pressure signal and wind velocity signal to Surveillance center.
Further, also comprise: the total intake sensor that is used for measuring total intake that is arranged on inlet air well head place; And the total volume of return air sensor that is used for measuring total volume of return air that is arranged on air-out well head place.
Further, also comprise: be arranged on the down-hole and resolve to realize the self-regulating self closing door of air quantity by described relative pressure signal and wind velocity signal are carried out network.
Preferably, described relative pressure sensor is made of relative pressure gauge, and described relative pressure gauge one end is connected with described normal atmosphere pressure pipe, the other end is provided with external induction short tube.
Preferably, described normal atmosphere pressure pipe is one or more in hose, steel pipe or the plastic pipe.
Preferably, described communication system is made of in Industrial Ethernet, 3G wireless telecommunication system or the CAN bus module one or more.
Preferably, described Surveillance center comprises: be used for that described relative pressure signal and wind velocity signal are carried out the ventilation network that network resolves and resolve system; Be used for described relative pressure signal and wind velocity signal carry out Design of ventilation, resolve and the ventilate three-dimensional ventilation analogue system of process simulation; And be used for described relative pressure signal and the wind velocity signal state is monitored and Dispatching Control System that underground equipment is controlled.
Compared with prior art, ventilation monitoring system in down-hole of the present utility model has following advantage:
1) ventilation monitoring system in the utility model down-hole is by laying the normal atmosphere pressure pipe in the down-hole, and at a plurality of tunnels node relative pressure sensor is installed along pipeline, in order to monitoring test point with respect to the relative pressure of ground standard atmospheric pressure, thus can conveniently measure each measuring point to ground through the flowing resistance loss in tunnel;
2) ventilation monitoring system in the utility model down-hole can conveniently be monitored each measuring point wind speed by at each node place, tunnel air velocity transducer being set, and carries out blast correction and Wind Coverage Calculation;
3) ventilation monitoring system in the utility model down-hole is by arranging Surveillance center on ground, can monitor in real time the mine ventilation system data, the whole mine ventilation system is directly perceived, dynamically show, ventilation system is managed and adjustment provides decision analysis for bargh carries out, be rescue and relief work simultaneously, the prediction scheme formulation of personnel escape's route and inverted ventilation and pressure wind provide foundation, prediction in time and discovery ventilation system weak link can be carried out the mine ventilation system design by three-dimensional ventilation analogue system in addition, multistage machine station ventilation network resolves and optimizes, mine cooling dedusting quantitative analysis, explosion smoke evacuation dynamic analog, the circulated air prediction, inverted ventilation manoeuvre simulation;
4) the utility model down-hole ventilation monitoring system science, advanced person, easy, directly perceived are for enterprise's work production has been saved cost.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the artwork of the utility model down-hole ventilation monitoring system;
Fig. 2 is the enlarged drawing at A shown in Figure 1 place;
Fig. 3 is the fundamental diagram of the relative pressure sensor of the utility model down-hole ventilation monitoring system;
Fig. 4 be each measuring point of the utility model down-hole ventilation monitoring system to ground through the flowing resistance design sketch in tunnel.
Description of reference numerals: 1-normal atmosphere pressure pipe; The 2-relative pressure sensor; 21-responds to short tube; The 3-air velocity transducer; The 4-communication system; 5-Surveillance center.
The specific embodiment
As shown in Figure 1, ventilation monitoring system in down-hole of the present utility model comprises: lay to the down-hole along the tunnel from downcast and be used to provide the atmospheric normal atmosphere pressure pipe 1 of ground standard, it is with a reference value of ground standard atmospheric pressure as each measuring point of down-hole, the route that lays of normal atmosphere pressure pipe 1 is preferably: cover each panel, each work plane air intake and air outlet, the big lane of main air intake, the big lane of main return air, main downcast, main upcast shaft, purpose is with the surface air pressure P
0A reference value as each measuring point of down-hole; Each node place, tunnel arranges a plurality of relative pressure sensors 2 respectively in the down-hole, each relative pressure sensor 2 connects normal atmosphere pressure pipe 1 respectively, be used for measuring each tunnel node with respect to the atmospheric relative pressure of ground standard, and produce and output relative pressure signal; At each node place, tunnel a plurality of air velocity transducers 3 are set respectively, be used for measuring the wind speed of each tunnel node, and produce and the output wind velocity signal, tunnel air velocity transducer 3 can preferably be arranged on each preceding 10 meters of tunnel node inlet air side, more accurate, more convenient detection wind speed; The communication system 4 that connects a plurality of pressure sensors 2 and a plurality of air velocity transducer 3 respectively is used for sending relative pressure signal and wind velocity signal to Surveillance center 5.
Ventilation monitoring system in down-hole of the present utility model also comprises the total intake sensor that is used for measuring total intake that is arranged on inlet air well head place, and the total volume of return air sensor that is used for measuring total volume of return air that is arranged on air-out well head place, can monitor total intake and total volume of return air by total intake sensor and total volume of return air sensor.In addition, also comprise the self closing door that is arranged on the down-hole, it resolves to realize that by relative pressure signal and wind velocity signal being carried out network air quantity regulates automatically.
As Fig. 2, shown in Figure 3, relative pressure sensor of the present utility model 2 is made of relative pressure gauge, this relative pressure gauge one end is connected with normal atmosphere pressure pipe 1, the other end is provided with external induction short tube 21, gather the gas pressure of each tunnel node, and by 1 interior atmospheric pressure contrast obtains this tunnel node with respect to the surface air pressure P with the normal atmosphere pressure pipe
0Relative pressure, at last the relative pressure analog signal of gathering is changed into data signal output (Fig. 3).Measure relative pressure and the surface air pressure P come
0Difference be each measuring point to ground through the flowing resistance h in tunnel, can realize ventilation monitoring, regulate and control by this value.
Each measuring point that Figure 4 shows that the utility model down-hole ventilation monitoring system to ground through the flowing resistance h in tunnel design sketch, wherein
h
A-b: a point is to the resistance in tunnel between the b point;
h
A-c: a point is to the resistance in tunnel between the c point;
h
A-d: a point is to the resistance (drag overall of mine) in tunnel between the d point;
h
B-c: the b point is to the resistance in tunnel between the c point;
h
C-d: the c point is to the resistance in tunnel between the d point;
Satisfy h=RQ
2The requirement of formula, wherein: the h-resistance; The R-windage; The Q-air quantity.
According to the Bai Nuoli equation:
p
a+z
aρ
ag+ρ
a 2v
a 2/2=p
b+z
bρ
bg+ρ
b 2v
b 2/2+h
fa-b
h
fa-b=(p
a-p
b)+（z
aρ
ag-z
bρ
bg）+（ρ
a 2v
a 2/2-ρ
b 2v
b 2/2）
Wherein: the z-absolute altitude; P-pressure; ρ-atmospheric density; G-acceleration of gravity; The v-wind speed.
For the resistance of inclined shaft, owing to there is absolute altitude z, be difficult to accurately measure at down-hole absolute altitude z so, use the mode of laying normal atmosphere pressure pipe 1, the potential energy that inclined shaft can be occurred is eliminated, and namely can consider the influence of absolute altitude z and z ρ g.
As Fig. 4, if the tunnel tilts or be up-and-down, the a-b resistance of ordering is so:
p
A=p
a+z
aρ
ag
P
B=p
b
h
a-b=p
A-p
B=p
a+z
aρ
ag-p
b=h
Wherein h is the reading of relative pressure gauge.
Above-mentioned is at S
a=S
bDesign formulas under the situation of (S is the cross section, tunnel).For the vicissitudinous situation of drift section, i.e. S
a≠ S
b, h
A-b≠ h, so according to the Bai Nuoli equation:
h
a-b=h+（ρ
a 2v
a 2/2-ρ
b 2v
b 2/2）
Need carry out the ram compression correction, be:
（ρ
a 2v
a 2/2-ρ
b 2v
b 2/2）
The normal atmosphere pressure pipe 1 of the utility model down-hole ventilation monitoring system can have multiple choices, such as being preferably in hose, steel pipe or the plastic pipe one or more; Communication system 4 is optional with in Industrial Ethernet, 3G wireless telecommunication system or the CAN bus module one or more also; Surveillance center 5 comprises: ventilation network resolves system, is used for that relative pressure signal and wind velocity signal are carried out network and resolves; Three-dimensional ventilation analogue system is used for relative pressure signal and the wind velocity signal process simulation of carrying out Design of ventilation, resolve and ventilate; And Dispatching Control System, be used for relative pressure signal and wind velocity signal state are monitored and underground equipment is controlled.Communication system 4 is resolved the ventilation network that relative pressure signal, the wind velocity signal of each node is transferred to ground monitoring center 5 in the software, carrying out ventilation network resolves, demonstrate air quantity, windage, the pressure of each node, the wind direction of each tunnel and work plane at giant-screen, accomplish real-time monitoring.
The major function of the utility model down-hole ventilation monitoring system has: the mine ventilation network system revises design, resolves with distinguished and admirable dynamic; The distinguished and admirable dynamic analysis of mine main; The mutation analysis of new pick or discarded roadway after wind net system; Air door, air regulator, ventilation structure such as airtight arrange and the air quantity regulating effect is analyzed; The impact analysis to ventilating of ventilation roadway section or change in length; In the basic enterprising sector-style machine type selecting of wind network optimization design, the fan operation operating point is analyzed; Support is analyzed major-minor fan, portable blower modeling and multistage machine station co-operation; Fan speed regulation, inverted ventilation simulation; Main wind path economic section type selecting, wind Netcom wind economy are estimated; The setting of smog, dust, pernicious gas the evolving path is carried out the formulation of disaster prediction scheme and emergency and is handled; The mine natural ventilation pressure is analyzed; Can carry out global optimization to ventilation system; Gas is given prominence to dynamic diffusion simulations analysis (the node pressure sudden change changes in conjunction with gas density, and it is dynamically outstanding to analyze gas).
Ventilation monitoring system in the utility model down-hole is by laying normal atmosphere pressure pipe 1 in the down-hole, and at a plurality of tunnels node relative pressure sensor 2 is installed along pipeline, in order to monitoring test point with respect to the relative pressure of ground standard atmospheric pressure, thus can conveniently measure each measuring point to ground through the flowing resistance loss in tunnel; By at each node place, tunnel air velocity transducer 3 being set, can conveniently monitor each measuring point wind speed, carry out blast correction and Wind Coverage Calculation; By Surveillance center 5 is set on ground, can monitor in real time the mine ventilation system data, the whole mine ventilation system is directly perceived, dynamically show, ventilation system is managed and adjustment provides decision analysis for bargh carries out, be rescue and relief work simultaneously, the prediction scheme formulation of personnel escape's route and inverted ventilation and pressure wind provide foundation, prediction in time and discovery ventilation system weak link can be carried out the mine ventilation system design by three-dimensional ventilation analogue system in addition, multistage machine station ventilation network resolves and optimizes, mine cooling dedusting quantitative analysis, explosion smoke evacuation dynamic analog, the circulated air prediction, inverted ventilation manoeuvre simulation.As seen, the utility model down-hole ventilation monitoring system science, advanced person, easy, directly perceived are for enterprise's work production has been saved cost.
Need to prove, although above the utility model has been done detailed description, be not limited thereto that those skilled in the art can realize by other the embodiment that does not break away from its spiritual essence or essential feature.Therefore, all various modifications of carrying out according to the interior perhaps principle of the utility model record all should be understood to fall into protection domain of the present utility model.
Claims (7)
1. a down-hole ventilation monitoring system is characterized in that, comprising:
Lay to the down-hole along the tunnel from downcast and to be used to provide the atmospheric normal atmosphere pressure pipe of ground standard (1), it is with a reference value of ground standard atmospheric pressure as each measuring point of down-hole;
Be separately positioned on a plurality of relative pressure sensors (2) at each node place, tunnel, down-hole, each relative pressure sensor (2) connects described normal atmosphere pressure pipe (1) respectively, be used for measuring each tunnel node with respect to the atmospheric relative pressure of ground standard, and produce and output relative pressure signal;
Be separately positioned on a plurality of air velocity transducers (3) at each node place, tunnel, be used for measuring the wind speed of each tunnel node, and produce and the output wind velocity signal; And
The communication system (4) that connects described a plurality of pressure sensor (2) and described a plurality of air velocity transducer (3) respectively is used for sending described relative pressure signal and wind velocity signal to Surveillance center (5).
2. ventilation monitoring system in down-hole according to claim 1 is characterized in that, also comprises:
Be arranged on the total intake sensor that is used for measuring total intake at inlet air well head place; And
Be arranged on the total volume of return air sensor that is used for measuring total volume of return air at air-out well head place.
3. ventilation monitoring system in down-hole according to claim 2 is characterized in that, also comprises:
Be arranged on the self closing door of down-hole, it resolves to realize that by described relative pressure signal and wind velocity signal being carried out network air quantity regulates automatically.
4. according to each described down-hole ventilation monitoring system of claim 1～4, it is characterized in that, described relative pressure sensor (2) is made of relative pressure gauge, and described relative pressure gauge one end is connected with described normal atmosphere pressure pipe (1), the other end is provided with external induction short tube (21).
5. according to each described down-hole ventilation monitoring system of claim 1～4, it is characterized in that described normal atmosphere pressure pipe (1) is one or more in hose, steel pipe or the plastic pipe.
6. ventilation monitoring system in down-hole according to claim 1 is characterized in that, described communication system (4) is made of in Industrial Ethernet, 3G wireless telecommunication system or the CAN bus module one or more.
7. ventilation monitoring system in down-hole according to claim 1 is characterized in that, described Surveillance center (5) comprising:
Be used for that described relative pressure signal and wind velocity signal are carried out the ventilation network that network resolves and resolve system;
Be used for described relative pressure signal and wind velocity signal carry out Design of ventilation, resolve and the ventilate three-dimensional ventilation analogue system of process simulation; And
Be used for described relative pressure signal and the wind velocity signal state is monitored and Dispatching Control System that underground equipment is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024482 CN203035263U (en) | 2013-01-17 | 2013-01-17 | Underground ventilation monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024482 CN203035263U (en) | 2013-01-17 | 2013-01-17 | Underground ventilation monitoring system |
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| Publication Number | Publication Date |
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| CN203035263U true CN203035263U (en) | 2013-07-03 |
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| CN 201320024482 Expired - Fee Related CN203035263U (en) | 2013-01-17 | 2013-01-17 | Underground ventilation monitoring system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628906A (en) * | 2013-11-28 | 2014-03-12 | 江西华煤重装有限公司 | Intelligent control ventilating device for coal mine blind hole |
| CN103953393A (en) * | 2014-05-13 | 2014-07-30 | 山东科技大学 | Mine ventilation system partitioning stabilized dynamic monitoring and pre-warning system |
| CN106285758A (en) * | 2015-05-29 | 2017-01-04 | 师吉运 | A kind of underground thermal pollution prevention and controls |
| CN106321138A (en) * | 2016-09-13 | 2017-01-11 | 中钢集团马鞍山矿山研究院有限公司 | Inverted ventilation test method for multi-stage fan station ventilation system in underground metal mine |
| 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 |
| CN109505643A (en) * | 2018-12-29 | 2019-03-22 | 华晋焦煤有限责任公司 | A kind of intelligence wind tube wind quantity regulating device |
| CN110633540A (en) * | 2019-09-24 | 2019-12-31 | 青岛理工大学 | Metal mine ventilation three-dimensional visual simulation aided decision control system and method |
| CN110968829A (en) * | 2019-11-27 | 2020-04-07 | 重庆科技学院 | Ventilation resistance correction calculation method based on air pressure fluctuation phase difference processing |
| CN112253253A (en) * | 2020-11-04 | 2021-01-22 | 贵州紫森源集团投资有限公司 | Real-time resistance monitoring system for coal mine 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 |
-
2013
- 2013-01-17 CN CN 201320024482 patent/CN203035263U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628906A (en) * | 2013-11-28 | 2014-03-12 | 江西华煤重装有限公司 | Intelligent control ventilating device for coal mine blind hole |
| CN103953393A (en) * | 2014-05-13 | 2014-07-30 | 山东科技大学 | Mine ventilation system partitioning stabilized dynamic monitoring and pre-warning system |
| CN103953393B (en) * | 2014-05-13 | 2016-03-02 | 山东科技大学 | A kind of mine ventilation system subregion stable dynamic monitoring and early warning system |
| CN106285758A (en) * | 2015-05-29 | 2017-01-04 | 师吉运 | A kind of underground thermal pollution prevention and controls |
| CN106321138A (en) * | 2016-09-13 | 2017-01-11 | 中钢集团马鞍山矿山研究院有限公司 | Inverted ventilation test method for multi-stage fan station ventilation system in underground metal mine |
| CN107288677B (en) * | 2017-06-28 | 2019-11-15 | 中国矿业大学 | A kind of coalmine ventilation parameter intelligentization monitoring regulation device and its control method |
| 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 |
| CN109505643A (en) * | 2018-12-29 | 2019-03-22 | 华晋焦煤有限责任公司 | A kind of intelligence wind tube wind quantity regulating device |
| CN110633540A (en) * | 2019-09-24 | 2019-12-31 | 青岛理工大学 | Metal mine ventilation three-dimensional visual simulation aided decision control system and method |
| CN110968829A (en) * | 2019-11-27 | 2020-04-07 | 重庆科技学院 | Ventilation resistance correction calculation method based on air pressure fluctuation phase difference processing |
| CN110968829B (en) * | 2019-11-27 | 2023-04-14 | 重庆科技学院 | Ventilation resistance correction calculation method based on air pressure fluctuation phase difference processing |
| CN112253253A (en) * | 2020-11-04 | 2021-01-22 | 贵州紫森源集团投资有限公司 | Real-time resistance monitoring system for coal mine 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 |
| 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 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20150117 |
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