CN201738944U - Intelligent dust-concentration limited spraying and dedusting device and system thereof - Google Patents
Intelligent dust-concentration limited spraying and dedusting device and system thereof Download PDFInfo
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- CN201738944U CN201738944U CN201020261754XU CN201020261754U CN201738944U CN 201738944 U CN201738944 U CN 201738944U CN 201020261754X U CN201020261754X U CN 201020261754XU CN 201020261754 U CN201020261754 U CN 201020261754U CN 201738944 U CN201738944 U CN 201738944U
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Abstract
The utility model discloses an intelligent dust-concentration limited spraying and dedusting device comprising a control unit, a dust concentration sensor, an electromagnetic valve and a water curtain spray head, wherein a signal output terminal of the dust concentration sensor is connected with the signal input terminal of the control unit; the control signal output terminal of the control unit is connected with a control signal input terminal of the electromagnetic valve; the control unit can realize the aim of controlling the sprays of the water curtain spray head by controlling the on/off of the electromagnetic valve. In the device, the dust concentration limit is set artificially, when the dust concentration exceeds the upper limit, the spraying operation can be carried out; when the dust concentration is lower than the lower limit, the spraying is stopped, therefore, the unnecessary waste of the water resource is avoided, water accumulated in a laneway is reduced, and the working condition is improved, the health and safety of mine workers are guaranteed. Furthermore, the utility model also discloses an intelligent dust-concentration limited spraying and dedusting system which can realize the aim of remotely online detecting and monitoring the dust concentration.
Description
Technical field
The utility model relates to mining safety monitoring monitoring field, and particularly a kind of intelligent dust concentration limit setting spray dust settling device also relates to a kind of intelligent dust concentration limit setting spray dust settling system simultaneously.
Background technology
Dust harzard mainly contains two aspects: the one, and to the harm of human body, if a large amount of mine dust of the long-term suction of people's lung just can be suffered from pneumoconiosis, pneumoconiosis is to endanger bigger a kind of miner occupational disease at present.The 2nd, dust explosion hazard, coal-dust explosion is one of the major disaster in colliery, mine safety in its serious threat.In recent years, the gas and dust explosion accident still happened occasionally, and had had a strong impact on mine safety production and worker's life.Therefore, it is extremely urgent to do the mine dust comprehensive regulation well.
Dust is mainly derived from getting working face in the Coal Production process, and especially developing rapidly of mining machinery greatly improved the coal mine machinery degree, and the digging ability also strengthens thereupon, promotes that coal production is doubled and redoubled.But the product dirt intensity in colliery also increases thereupon under this working condition, and the dust concentration of getting working face increases considerably.According to statistics, under geological conditions and the basic identical situation of ventilation condition, its dust concentration of the different systems of attack differs greatly.For example, under no dust prevention condition, the dust concentration when big gun is adopted is 300～500mg/m3, and the dust concentration of machine when adopting can reach 1000～3000mg/m3, combines and adopts then up to 4000～8000mg/m3.Therefore, research to modernized coal mine excavation dust control technology is necessary with using, the dust concentration monitoring technology that exploitation is advanced, in time understand the dust concentration in operation place and dust is controlled, being not only dust hazard control and requirement of scientific management, also is the requirement of the great pernicious explosion accident of effective prevention and control (particularly gas and dust explosion).
Tenth Five-Year Plan Period, Coal Scientific Research Institute Chongqing Institute has developed critical component---the GCG500 type sensor of dust concentration of realizing the monitoring of dust remote online monitoring, has filled up domestic blank, provides condition for realizing the dust concentration on-line monitoring.But China's coal-mine is mainly used conventional watering device aspect depositing dust at present, and these watering devices are no matter the dust concentration height is all sprayed, and the serious waste water resource causes tunnel inner product dilutional hyponatremia, makes troubles to work.Therefore, be necessary to carry out the correlative study of monitoring of dust concentration on-line monitoring and smart spraying dust falling system.
The utility model content
In view of this, one of the purpose of this utility model provides a kind of intelligent dust concentration limit setting spray dust settling device, effect by control module, can adjust spray time automatically according to dust concentration, thereby solved original spray sprinkler device no matter the shortcoming that dust concentration is sprayed just and always, avoided the waste and the tunnel ponding of water resource, had good and application value widely; On the basis of one of purpose, two of the purpose of this utility model provides a kind of intelligent dust concentration limit setting spray dust settling system, realizes the remote online monitoring monitoring of online dust concentration by the ground monitoring main frame.
One of the purpose of this utility model is achieved through the following technical solutions:.
This intelligent dust concentration limit setting spray dust settling device comprises control module, sensor of dust concentration, high-pressure solenoid valve and drencher head, the signal output part of described sensor of dust concentration and the signal input part of control module link, the control signal output of described control module and the control signal input of electromagnetic valve link, and described control module is realized the spraying of drencher head is controlled by the break-make of control electromagnetic valve.
Further, described device also comprises pyroelectric infrared transducer, described pyroelectric infrared transducer output signal to control module, described control module is controlled it and is opened or closed by the power supply of relay control electromagnetic valve;
Further, described high-pressure solenoid valve comprises explosion-proof casing, electromagnetic coil, valve body, spool and main piston, the spool that axially is provided with of described explosion-proof casing is installed passage, described spool is arranged on spool in the mode that is slidingly matched and installs on the passage, and described electromagnetic coil is installed passage around spool and is provided with; Described valve body is installed in the bottom of explosion-proof casing, comprise the upper valve body, middle valve body and the following valve body that connect successively, wherein, be provided with the piston installation passage that is used to install main piston in described between valve body and the following valve body, described main piston overlaps with valve core axis, the both sides that described piston is installed passage are communicated with intake tunnel and exhalant canal respectively, and electromagnetic valve can be at hydraulic pressure up to reliably working under the 10MPa;
Further, described device also comprises audible-visual annunciator, and described audible-visual annunciator and control module link;
Further, described device also comprises potential device, and the output voltage of described potential device is divided into three the tunnel, through behind the rectifying and wave-filtering respectively as sensor of dust concentration power supply, pyroelectric infrared transducer power supply and power of electromagnetic valve;
Further, described device also comprises display screen, and the signal input part of described display screen and the signal output part of control module link;
Further, described device also comprises the control casing, described control casing is divided into upper and lower two-layer, described upper strata is the intrinsic safety structure, lower floor is a blast resistant construction, and said display screen is arranged at the upper strata end face, and described control module and potential device are arranged on lower floor, the superstructure of described control casing also is provided with a plurality of interfaces, is used for signal transmission, control between control module and potential device and the external devices and connects and power.
Two of the purpose of this utility model is achieved through the following technical solutions:
This intelligent dust concentration limit setting spray dust settling system, comprise foregoing intelligent dust concentration limit setting spray dust settling device, also comprise ground monitoring main frame and underground safety monitoring system substation, described underground safety monitoring system substation is used to connect branch and is located at mine intelligent dust concentration limit setting spray dust settling device everywhere, and concentration data everywhere, the operation condition that sensor of dust concentration collects transferred to the ground monitoring main frame, realize the on-line monitoring of dust concentration.
The beneficial effects of the utility model are:
1. device of the present utility model belongs to domestic initiation, to whether spray and the dust concentration size associates, thereby can artificially set the dust concentration restriction, when surpassing higher limit, just spray, when being lower than lower limit, stop spraying, thereby avoided the unnecessary waste of water resource, reduced the ponding in the tunnel, improve condition of work, guaranteed mine workers'health safety;
2. system of the present utility model can realize continuous dust concentration remote online monitoring monitoring, has remedied domestic blank, for well moving of whole mine work provides better guarantee comprehensively;
3. the utility model has adopted improved high-voltage explosion-proof electromagnetic valve, has also adopted highly sensitive sensor of dust concentration simultaneously, and the dust concentration data of monitoring are accurate, the reliable in action of watering device, strong interference immunity, good stability.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following manual and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is a device connection diagram of the present utility model;
Fig. 2 is control box inner structure schematic diagram;
Fig. 3 is the electromagnetic valve structure schematic diagram;
Fig. 4 is a system of the present utility model connection diagram.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in Figure 1, intelligent dust concentration limit setting spray dust settling device of the present utility model, comprise control module 1, sensor of dust concentration 2, electromagnetic valve 3 and drencher head 4, the signal input part of the signal output part of sensor of dust concentration 2 and control module 1 links, the control signal output of control module 1 and the control signal input of electromagnetic valve 3 link, and control module 1 is realized the spraying of drencher head 4 is controlled by the break-make of control electromagnetic valve 3.By the upper limit value and lower limit value of dust concentration spraying control is set in control module.When dust concentration surpassed setting value, sensor of dust concentration was transferred to control cabinet with the signal that monitors, and single-chip microcomputer sends instruction to electromagnetic valve after receiving signal, the watering of solenoid control water curtain.
The GCG500 type sensor of dust concentration that uses in the present embodiment is that Coal Scientific Research Institute Chongqing Institute succeeds in developing, this instrument adopts light scattering principle directly to measure total dust concentration, mainly is made up of light source, optical-electrical converter, dust measurement system, extract system, dust filter unit and control circuit.This sensor is fixedly mounted on the operation place, and determination data shows that on the spot output is simultaneously handled for monitoring system with frequency, current signal (two kinds of signals are chosen any one kind of them) that the mine safety monitoring system adapts.Be characterized in: measure quick and precisely, highly sensitive, stable performance, each section dust scattering factor of proportionality can set, directly show the dust mass concentration, operating voltage range wide (9～24VDC), operating current low (≤120mA).
For realize having the people by the time stop to spray, personnel leave the effect that spraying is continued in the back, this device also comprises pyroelectric infrared transducer 9, pyroelectric infrared transducer 9 output signal to control module 1, control module 1 is controlled it and is opened or closed by the power supply of relay control electromagnetic valve 3.Pyroelectric infrared transducer and the design new signal amplification circuit of the pyroelectric sensor that present embodiment adopts by selecting two sensitive units for use, improve the sensitivity of light control sensor, command range is brought up to more than the 10m, the pyroelectric infrared transducer of selecting for use is only responded to the infrared band of human body radiation, to its all band output signal not, improve its interference free performance.
Pyroelectric infrared transducer adopts the pyroelectricity material temperature variant property detection infrared radiation that polarizes, the two sensitive first complementarity methods of employing suppress variations in temperature, and are highly sensitive, make the infrared band of its induction human body radiation, be not subjected to the interference of other radiation, improve the interference free performance of sensor.It exports the signal of telecommunication＞2.0V, operating temperature-20 ℃～60 ℃, 155 * 145 ° of visual fields.The ultra-weak electronic signal that signal amplification circuit is exported the pyroelectricity probe exports the main control board of control cabinet to and modulates after amplifying, amplify delay process.Need not to adjust and get final product operate as normal.
The power supply of this device realizes by potential device 6; insert two kinds of power supply employing 36VAC and 127VAC; but in order to test convenient and to consider that this covering device promotes on ground; so increase by one group of 220VAC; power supply is through potential device 6; become 3 kinds of power supply outputs; be 36VAC/23VAC/12VAC; 36VAC is through full-wave rectification; the power supply magnet valve uses, and 23VAC uses for sensor of dust concentration behind rectification, voltage stabilizing and overcurrent, overvoltage, overheating protection circuit; 12VAC uses for pyroelectric infrared transducer through rectification, voltage stabilizing and safety barrier.
Data show and observation for ease of carrying out intuitively, and this device also comprises display screen 7, and the signal output part of the signal input part of display screen 7 and control module 1 links.In addition, for realizing timely warning, this device also comprises audible-visual annunciator 5, and audible-visual annunciator 5 links with control module.
As shown in Figure 2, this device also comprises control casing 8, casing 8 is divided into upper and lower two-layer, the upper strata is the intrinsic safety structure, lower floor is a blast resistant construction, and said display screen 7 is arranged at the upper strata end face, and the circuit board of control module 1 and potential device 6 are arranged on lower floor, the superstructure of control casing 8 also is provided with a plurality of interfaces, is used for signal transmission, control between control module 1 and potential device 6 and the external devices and connects and power.Total is reasonable in design, safe and reliable.
As shown in Figure 3, the electromagnetic valve 3 that present embodiment adopts comprises explosion-proof casing 31, electromagnetic coil 32, valve body, spool 33 and main piston 34, the spool that axially is provided with of explosion-proof casing 31 is installed passage, spool 33 is arranged on spool in the mode that is slidingly matched and installs on the passage, and electromagnetic coil 32 is installed passage around spool and is provided with; Valve body is installed in the bottom of explosion-proof casing 31, comprise the upper valve body 35, middle valve body 36 and the following valve body 37 that connect successively, wherein, be provided with the piston installation passage that is used to install main piston 34 between middle valve body 36 and the following valve body 37, main piston 34 and spool 33 deads in line, the both sides that piston is installed passage are communicated with intake tunnel and exhalant canal respectively, and electromagnetic valve can be at hydraulic pressure up to reliably working under the 10MPa;
After the electromagnetic coil energising, form magnetic field, pick up spool, pressure relief vent is opened, and the water of epicoele and cavity of resorption flows away from pressure relief vent, the pressure that acts on main piston top is reduced, thereby rely on pressure reduction to push main piston to top, makes pipeline unimpeded; After the electromagnetic coil outage, spool is closed pressure relief vent because of deadweight and spring action whereabouts, meanwhile intaking flows to cavity of resorption and epicoele by intercommunicating pore, makes the main piston upper surface form pressure, adds main piston stage clip and deadweight, make main piston fall to valve port, thereby block the mouth of pipe.
As shown in Figure 4, intelligent dust concentration limit setting spray dust settling of the present utility model system, comprise intelligent dust concentration limit setting spray dust settling device, also comprise ground monitoring main frame 10 and underground safety monitoring system substation, each underground safety monitoring system substation 11 is used to connect branch and is located at mine intelligent dust concentration limit setting spray dust settling device everywhere, and the concentration data everywhere that sensor of dust concentration collects transferred to the ground monitoring main frame, realize the remote on-line monitoring of dust concentration.
The intelligent dust concentration limit setting spray dust settling device of this problem development atomizing de-dusting function that realized transfiniting, realized the remote on-line monitoring function of dust concentration by its system that forms, the dust concentration data of its monitoring are accurate, the reliable in action of watering device, strong interference immunity, good stability has been filled up the blank of domestic this technology, and look into new conclusion and show: every technical performance of this product is reached advanced world standards.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. intelligent dust concentration limit setting spray dust settling device, it is characterized in that: described device comprises control module (1), sensor of dust concentration (2), electromagnetic valve (3) and drencher head (4), the signal input part of the signal output part of described sensor of dust concentration (2) and control module (1) links, the control signal input of the control signal output of described control module (1) and electromagnetic valve (3) links, and described control module (1) is realized the spraying of drencher head (4) is controlled by the break-make of control electromagnetic valve (3).
2. intelligent dust concentration limit setting spray dust settling device according to claim 1, it is characterized in that: described device also comprises pyroelectric infrared transducer (9), described pyroelectric infrared transducer output signal to control module (1), described control module (1) is controlled it and is opened or closed by the power supply of relay control electromagnetic valve (3).
3. intelligent dust concentration limit setting spray dust settling device according to claim 1 and 2, it is characterized in that: described electromagnetic valve (3) comprises explosion-proof casing (31), electromagnetic coil (32), valve body, spool (33) and main piston (34), the spool that axially is provided with of described explosion-proof casing (31) is installed passage, described spool (33) is arranged on spool in the mode that is slidingly matched and installs on the passage, and described electromagnetic coil (32) is installed passage around spool and is provided with; Described valve body is installed in the bottom of explosion-proof casing (31), comprise the upper valve body (35), middle valve body (36) and the following valve body (37) that connect successively, wherein, be provided with the piston installation passage that is used to install main piston (34) in described between valve body (36) and the following valve body (37), described main piston (34) and spool (33) dead in line, the both sides that described piston is installed passage are communicated with intake tunnel and exhalant canal respectively.
4. intelligent dust concentration limit setting spray dust settling device according to claim 1 is characterized in that: described device also comprises audible-visual annunciator (5), and described audible-visual annunciator (5) links with control module.
5. intelligent dust concentration limit setting spray dust settling device according to claim 4, it is characterized in that: described device also comprises potential device (6), the output voltage of described potential device (6) is divided into three the tunnel, through behind the rectifying and wave-filtering respectively as sensor of dust concentration power supply, pyroelectric infrared transducer power supply and power of electromagnetic valve.
6. intelligent dust concentration limit setting spray dust settling device according to claim 5 is characterized in that: described device also comprises display screen (7), and the signal output part of the signal input part of described display screen (7) and control module (1) links.
7. intelligent dust concentration limit setting spray dust settling device according to claim 6, it is characterized in that: described device also comprises control casing (8), described casing (8) is divided into upper and lower two-layer, described upper strata is the intrinsic safety structure, lower floor is a blast resistant construction, said display screen (7) is arranged at the upper strata end face, described control module (1) and potential device (6) are arranged on lower floor, the superstructure of described control casing (8) also is provided with a plurality of interfaces, is used for signal transmission, control between control module (1) and potential device (6) and the external devices and connects and power.
8. intelligent dust concentration limit setting spray dust settling system, it is characterized in that: comprise intelligent dust concentration limit setting spray dust settling device as claimed in claim 1, described system also comprises monitoring host computer (10) and a plurality of systems substation, described system substation (11) is used to connect branch and is located at mine intelligent dust concentration limit setting spray dust settling device everywhere, and the concentration data everywhere that sensor of dust concentration collects transferred to monitoring host computer, realize the on-line monitoring of dust concentration.
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| CN201020261754XU CN201738944U (en) | 2010-07-16 | 2010-07-16 | Intelligent dust-concentration limited spraying and dedusting device and system thereof |
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| CN201020261754XU CN201738944U (en) | 2010-07-16 | 2010-07-16 | Intelligent dust-concentration limited spraying and dedusting device and system thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915116A (en) * | 2010-07-16 | 2010-12-15 | 煤炭科学研究总院重庆研究院 | Intelligent dust concentration limit setting spray dust settling device, system and method |
| CN102200023A (en) * | 2011-04-25 | 2011-09-28 | 淮南润成科技有限公司 | Mine coal mining machine dust source tracking dust settling equipment and control method thereof |
| CN103089291A (en) * | 2011-11-03 | 2013-05-08 | 中国矿业大学(北京) | Coal mine dust pollution evaluation and spraying dedusting linkage system based on images |
| CN103470295A (en) * | 2013-09-13 | 2013-12-25 | 安阳市思菲特矿用设备有限公司 | Mine extinguishment and explosion suppression system |
| CN103823385A (en) * | 2012-11-16 | 2014-05-28 | 上海士孚电子科技有限公司 | Coal dust control system and control method thereof |
| CN104018873A (en) * | 2014-06-05 | 2014-09-03 | 徐州大屯工贸实业公司 | Mine intelligent spraying and aspirating device |
| CN105507941A (en) * | 2014-09-26 | 2016-04-20 | 杜永印 | Underground coal mine face automatic safeguard system |
| CN106904458A (en) * | 2017-03-25 | 2017-06-30 | 南京榆液液压有限公司 | Band bucket handling machine intelligent spray dust pelletizing system |
| CN109973149A (en) * | 2018-09-30 | 2019-07-05 | 大连迪安缇科技有限公司 | A kind of mining safety monitoring system |
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2010
- 2010-07-16 CN CN201020261754XU patent/CN201738944U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915116A (en) * | 2010-07-16 | 2010-12-15 | 煤炭科学研究总院重庆研究院 | Intelligent dust concentration limit setting spray dust settling device, system and method |
| CN102200023A (en) * | 2011-04-25 | 2011-09-28 | 淮南润成科技有限公司 | Mine coal mining machine dust source tracking dust settling equipment and control method thereof |
| CN103089291A (en) * | 2011-11-03 | 2013-05-08 | 中国矿业大学(北京) | Coal mine dust pollution evaluation and spraying dedusting linkage system based on images |
| CN103089291B (en) * | 2011-11-03 | 2015-10-21 | 中国矿业大学(北京) | A kind of Mine Dust pollution evaluation based on image and spray for dust suppression linked system |
| CN103823385A (en) * | 2012-11-16 | 2014-05-28 | 上海士孚电子科技有限公司 | Coal dust control system and control method thereof |
| CN103470295A (en) * | 2013-09-13 | 2013-12-25 | 安阳市思菲特矿用设备有限公司 | Mine extinguishment and explosion suppression system |
| CN104018873A (en) * | 2014-06-05 | 2014-09-03 | 徐州大屯工贸实业公司 | Mine intelligent spraying and aspirating device |
| CN105507941A (en) * | 2014-09-26 | 2016-04-20 | 杜永印 | Underground coal mine face automatic safeguard system |
| CN105507941B (en) * | 2014-09-26 | 2018-06-29 | 杜永印 | Underground coal mine working face automates safety system |
| CN106904458A (en) * | 2017-03-25 | 2017-06-30 | 南京榆液液压有限公司 | Band bucket handling machine intelligent spray dust pelletizing system |
| CN106904458B (en) * | 2017-03-25 | 2019-01-04 | 南京榆液液压有限公司 | Band bucket handling machine intelligent spray dust pelletizing system |
| CN109973149A (en) * | 2018-09-30 | 2019-07-05 | 大连迪安缇科技有限公司 | A kind of mining safety monitoring system |
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Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
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Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute |
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Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CHONGQING RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
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Granted publication date: 20110209 |
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