CN111323549A - Gas monitoring and analyzing system for deep coal mine safety - Google Patents
Gas monitoring and analyzing system for deep coal mine safety Download PDFInfo
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- CN111323549A CN111323549A CN202010294732.1A CN202010294732A CN111323549A CN 111323549 A CN111323549 A CN 111323549A CN 202010294732 A CN202010294732 A CN 202010294732A CN 111323549 A CN111323549 A CN 111323549A
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- disc shell
- coal mine
- dust suction
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- 239000003245 coal Substances 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
- G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a gas monitoring and analyzing system for deep coal mine safety, which comprises a disc shell, wherein the disc shell comprises a storage bin and an open bin, the open bin is communicated with the storage bin, the open bin is communicated with the outside of the disc shell, a driving shaft in rotary connection is arranged in the middle of the disc shell, one end of the driving shaft extends to the outer side of the disc shell, the other end of the driving shaft is positioned in the middle of a cavity of the disc shell, one end of the driving shaft positioned in the middle of the cavity of the disc shell is fixedly provided with a mounting seat, a detection device is arranged on the mounting seat, and a hanging lug is fixedly arranged; the whole device is suspended to the underground position of the coal mine at the designated height, the detection device transmits data information acquired by the sensors to the aboveground switch through the underground switch, the aboveground switch receives the data information and then displays the data information, and an aboveground operator analyzes the completeness of gas at the detection position of the device through the displayed data.
Description
Technical Field
The invention belongs to the field of coal mine detection, and particularly relates to a gas monitoring and analyzing system for deep coal mine safety.
Background
In a safety production monitoring system, the safety monitoring system is widely applied to coal mines, usually, the source and time information of a monitoring signal are superposed on a video signal displayed on a terminal device of the safety monitoring system so as to clearly show the running state of the system, thereby facilitating an operator to know the position of the video signal and various information such as the switching mode of a current output channel, along with the continuous improvement of the modernization degree of the coal mine and the increase of the underground power supply distance, the reliability, the continuity and the safety of the underground coal mine become one of the keys of the safety production of the coal mine, a substation in an underground mining area of the coal mine mainly serves important production links such as coal mining, ventilation, tunneling, transportation, drainage and the like, and because the geological conditions of the working places are complex, gas and dust accumulation, water dripping roof-caving accidents, various harmful gases such as over-proof methane and the like exist, can cause gas and coal dust explosion and directly endanger personal safety and mine production, so the system is very important for real-time monitoring underground coal mines.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a gas monitoring and analyzing system for deep coal mine safety, and solves the problems in the background art.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a gas monitoring and analyzing system for deep colliery safety, includes the disc casing, the disc casing includes collecting storage and open storehouse, and open storehouse and collecting storage intercommunication, open storehouse and disc casing's external intercommunication.
The disc casing middle part is provided with the drive shaft of rotation connection, and drive shaft one end extends to the disc casing outside, and the other end is in the die cavity middle part of disc casing, and the drive shaft one end fixed mounting that is located the die cavity middle part of disc casing has the mount pad, wherein installs detection device on the mount pad.
And the side wall of the disc shell is fixedly provided with a hanging lug.
Further, detection device goes up installation underground switch, and detection device includes temperature sensor, humidity transducer, gas sensor, carbon monoxide sensor and oxygen sensor, wherein temperature sensor, humidity transducer, gas sensor, carbon monoxide sensor and oxygen sensor all alone with underground switch electric connection.
Further, a supporting bar is fixedly mounted on one side of the disc shell, a supporting guide rail is fixedly mounted on the supporting bar, a sliding groove is formed in the supporting guide rail, a driving strip sliding along the sliding groove is arranged in the sliding groove, the driving strip is hermetically sealed with the inner wall of the sliding groove through a sealing piece, and a rack is formed in the driving strip.
And one end of the driving shaft positioned outside the disc shell is fixedly provided with a driving gear, and the driving gear is meshed with the rack.
And an air pump is fixedly arranged on one side of the disc shell and is communicated with the lower end part of the cavity of the chute through a hose.
The support guide rail is provided with an air outlet hole, the air outlet hole is communicated with the lower end part of the cavity of the sliding groove, and an electromagnetic valve for controlling the on-off of the air outlet hole is installed in the air outlet hole.
Wherein air pump, solenoid valve all independently with switch electric connection in the pit.
Furthermore, a return spring is arranged between the bottom end of the driving strip and the bottom end of the cavity of the sliding groove, and two ends of the return spring are fixedly installed at the bottom end of the driving strip and the bottom end of the cavity of the sliding groove respectively.
Furthermore, the joint of the open bin and the storage bin is provided with a dust suction device, the dust suction device comprises a dust suction pipe with a plurality of dust suction heads and a dust suction pump, the dust suction pump is communicated with the dust suction pipe through a hose, and the dust suction pump is fixedly installed on the disc shell.
The dust suction pump is electrically connected with the underground exchanger.
Furthermore, the upper end and the lower end of the disc shell are fixedly provided with shrinkage rods which are uniformly distributed, the top end of each shrinkage rod is fixedly provided with a buffer disc, and the buffer disc is provided with a plurality of universal wheels.
And the contraction rods are all sleeved with buffer springs.
The buffer disc is characterized in that sleeves are fixedly mounted on the inner side of the buffer disc, guide rods sliding along the sleeves are mounted between the sleeves, and idler wheels are fixedly mounted on the sleeves.
The invention has the beneficial effects that:
the whole device is suspended to the underground coal mine position with the designated height, when the device reaches the underground coal mine position with the designated height, the detection device transmits data information acquired by the plurality of sensors to the aboveground switch through the underground switch, the aboveground switch receives the data information and displays the data information, and an aboveground operator analyzes the completeness of gas at the detection position of the device through the displayed data.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a partial perspective cross-sectional structure of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 2;
fig. 4 is a partial structural schematic diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a gas monitoring and analyzing system for deep coal mine safety comprises a disc housing 1, wherein the disc housing 1 comprises a storage bin 11 and an open bin 12, the open bin 12 is communicated with the storage bin 11, and the open bin 12 is communicated with the outside of the disc housing 1;
a driving shaft 2 which is rotatably connected is arranged in the middle of the disc shell 1, one end of the driving shaft 2 extends to the outer side of the disc shell 1, the other end of the driving shaft 2 is positioned in the middle of a cavity of the disc shell 1, one end of the driving shaft 2 positioned in the middle of the cavity of the disc shell 1 is fixedly provided with an installation seat 21, and a detection device is arranged on the installation seat 21;
the side wall of the disc shell 1 is fixedly provided with a hanging lug 13, personnel on a coal mine are locked on the hanging lug 13 through a rope system, the whole device is suspended to the underground position of the coal mine with the designated height, and when the device reaches the underground position of the coal mine with the designated height, the driving shaft 2 is driven to enable the detection device on the mounting seat 21 in the containing bin 11 to rotate to the position of the open bin 12, and the detection device is used for detecting ambient gas;
in the invention, initially, the detection device is positioned in the storage bin 11, and only when the detection device reaches a specified position, the driving shaft 2 is driven to drive the detection device to move to the open bin 12 through the mounting seat 21.
The detection device is provided with the underground switch and comprises a temperature sensor, a humidity sensor, a gas sensor, a carbon monoxide sensor and an oxygen sensor, wherein the temperature sensor, the humidity sensor, the gas sensor, the carbon monoxide sensor and the oxygen sensor are respectively and independently connected with the underground switch in an electric mode.
The temperature sensor is used for detecting the temperature of a detection position under a coal mine in real time; the humidity sensor is used for detecting the gas humidity of the underground detection position of the coal mine in real time; the gas sensor, the carbon monoxide sensor and the oxygen sensor are used for detecting the mixed gas components at the underground detection position of the coal mine in real time;
detection device passes through the underground switch with above-mentioned a plurality of sensor data information transmission for aboveground switch, and the aboveground switch is shown after receiving data information, and the aboveground operating personnel carries out the gaseous completeness of this device detection position through the data that show.
As shown in fig. 3 and 4, in the present embodiment, a supporting strip 3 is fixedly installed on one side of a disc housing 1, a supporting guide rail 31 is fixedly installed on the supporting strip 3, wherein the supporting guide rail 31 is provided with a sliding slot, a driving strip 32 sliding along the sliding slot is arranged in the sliding slot, the driving strip 32 is hermetically sealed with the inner wall of the sliding slot through a sealing member, and a rack 33 is provided on the driving strip 32;
one end of the driving shaft 2 positioned outside the disc shell 1 is fixedly provided with a driving gear 21, and the driving gear 21 is meshed and connected with the rack 33;
an air pump 34 is fixedly arranged on one side of the disc shell 1, and the air pump 34 is communicated with the lower end part of the cavity of the chute through a hose;
the support guide rail 31 is provided with an air outlet which is communicated with the lower end part of the cavity of the chute, and an electromagnetic valve for controlling the on-off of the air outlet is arranged in the air outlet;
wherein the air pump 34 and the electromagnetic valve are both independently and electrically connected with the underground exchanger.
When the device is used, initially, the electromagnetic valve controls the air outlet hole to open the air outlet hole, when the driving shaft 2 needs to be driven to enable the detection device on the mounting seat 21 in the storage bin 11 to rotate to the position of the open bin 12, an aboveground operator transmits an instruction to an underground exchanger through the underground exchanger to enable the air pump 34 to start working, the air pump 34 inflates the lower end part of the cavity of the sliding chute to enable the driving strip 32 to move, the moving driving strip 32 enables the rotating shaft to rotate through the driving gear 21, the driving shaft 2 further rotates, the rotating driving shaft 2 enables the detection device on the mounting seat 21 in the storage bin 11 to rotate to the position of the open bin 12, and at the moment, the air pump 34 stops working;
a return spring 35 is arranged between the bottom end of the driving bar 32 and the bottom end of the cavity of the chute, two ends of the return spring 35 are respectively and fixedly installed at the bottom end of the driving bar 32 and the bottom end of the cavity of the chute, and when the air pump 34 inflates the lower end part of the cavity of the chute, the return spring 35 is in a stretching state;
after detection device detects and finishes, go up operating personnel and pass through aboveground switch to switch transmission instruction in the pit, make the solenoid valve open the venthole, reset spring 35 resets this moment, drives the motion of drive strip 32, makes detection device on the mount pad 21 be in containing storage 11 again in, during this period, the unnecessary gas of tip is discharged from the venthole under the cavity of spout.
A dust suction device is arranged at the joint of the open bin 12 and the storage bin 11, and comprises a dust suction pipe 41 with a plurality of dust suction heads and a dust suction pump 42, wherein the dust suction pump 42 is communicated with the dust suction pipe 41 through a hose, and the dust suction pump 42 is fixedly arranged on the disc shell 1;
the dust suction pump 42 is electrically connected to the downhole exchanger.
During the use, when being in the detection device on the mount pad 21 in the collecting storage 11 and rotating to open storehouse 12 process, perhaps detection device on the mount pad 21 is in collecting storage 11 in-process again, goes up operating personnel and passes through aboveground switch to switch transmission instruction in the pit, makes dust absorption pump 42 start, and the dust absorption pump 42 that starts carries out the dust absorption through dust absorption pipe 41 to the detection device who passes through, and the further reduction is because the volume of being stained with of dust produces the influence of interference to detection device's precision.
In the embodiment, the upper end and the lower end of the disc shell 1 are fixedly provided with the contraction rods 5 which are uniformly distributed, the top ends of the contraction rods 5 are fixedly provided with the buffer disc 6, and the buffer disc 6 is provided with a plurality of universal wheels 7;
the contraction rods 5 are all sleeved with buffer springs 51;
the inner side of the buffer disk 6 is fixedly provided with a sleeve 8, a guide rod 81 sliding along the sleeve 8 is arranged between the sleeves 8, and rollers 82 are fixedly arranged on the sleeves 8.
When the whole device is positioned on a well, the whole device is pushed through the universal wheels 7 to be convenient for moving, and the disc shell 1 and components arranged on the disc shell 1 are protected through the sleeve 8, the guide rod 81 and the buffer disc 6 in the process of suspending the whole device; meanwhile, when the whole device suspension process occurs in the well wall impact, the acting force on the disc housing 1 due to the impact is reduced through the buffer spring 51, the universal wheel 7 and the roller 82, and the disc housing 1 and the components arranged on the disc housing 1 are further protected.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. A gas monitoring and analyzing system for deep coal mine safety comprises a disc shell (1) and is characterized in that the disc shell (1) comprises a storage bin (11) and an open bin (12), the open bin (12) is communicated with the storage bin (11), and the open bin (12) is communicated with the outside of the disc shell (1);
the disc type detector is characterized in that a driving shaft (2) in rotary connection is arranged in the middle of the disc shell (1), one end of the driving shaft (2) extends to the outer side of the disc shell (1), the other end of the driving shaft is located in the middle of a cavity of the disc shell (1), one end of the driving shaft (2) located in the middle of the cavity of the disc shell (1) is fixedly provided with an installation seat (21), and a detection device is arranged on the installation seat (21);
and a hanging lug (13) is fixedly arranged on the side wall of the disc shell (1).
2. The gas monitoring and analyzing system for deep coal mine safety of claim 1, wherein the detection device is provided with a downhole switch, the detection device comprises a temperature sensor, a humidity sensor, a gas sensor, a carbon monoxide sensor and an oxygen sensor, and the temperature sensor, the humidity sensor, the gas sensor, the carbon monoxide sensor and the oxygen sensor are all separately and electrically connected with the downhole switch.
3. The gas monitoring and analyzing system for deep coal mine safety according to claim 2, wherein a support bar (3) is fixedly installed on one side of the disc housing (1), a support guide rail (31) is fixedly installed on the support bar (3), a sliding groove is formed in the support guide rail (31), a driving bar (32) sliding along the sliding groove is arranged in the sliding groove, the driving bar (32) is hermetically sealed with the inner wall of the sliding groove through a sealing piece, and a rack (33) is formed in the driving bar (32);
one end of the driving shaft (2) positioned outside the disc shell (1) is fixedly provided with a driving gear (21), and the driving gear (21) is meshed and connected with the rack (33);
an air pump (34) is fixedly installed on one side of the disc shell (1), and the air pump (34) is communicated with the lower end part of the cavity of the chute through a hose;
the support guide rail (31) is provided with an air outlet which is communicated with the lower end part of the cavity of the chute, and an electromagnetic valve for controlling the on-off of the air outlet is arranged in the air outlet;
wherein air pump (34), solenoid valve all independently with switch electric connection in the pit.
4. The gas monitoring and analyzing system for deep coal mine safety according to claim 3, wherein a return spring (35) is arranged between the bottom end of the driving bar (32) and the bottom end of the cavity of the chute, and two ends of the return spring (35) are fixedly installed at the bottom end of the driving bar (32) and the bottom end of the cavity of the chute respectively.
5. The gas monitoring and analyzing system for deep coal mine safety according to claim 1, wherein a dust suction device is arranged at the joint of the open bin (12) and the receiving bin (11), the dust suction device comprises a dust suction pipe (41) with a plurality of dust suction heads and a dust suction pump (42), wherein the dust suction pump (42) is communicated with the dust suction pipe (41) through a hose, and the dust suction pump (42) is fixedly installed on the disc shell (1);
the dust suction pump (42) is electrically connected with the underground exchanger.
6. The gas monitoring and analyzing system for deep coal mine safety according to claim 1, characterized in that the upper and lower ends of the disc housing (1) are fixedly provided with uniformly distributed contraction rods (5), the top ends of the contraction rods (5) are fixedly provided with a buffer disc (6), and the buffer disc (6) is provided with a plurality of universal wheels (7);
the contraction rods (5) are all sleeved with buffer springs (51);
the buffer disc is characterized in that sleeves (8) are fixedly mounted on the inner side of the buffer disc (6), guide rods (81) sliding along the sleeves (8) are mounted between the sleeves (8), and rollers (82) are fixedly mounted on the sleeves (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294732.1A CN111323549A (en) | 2020-04-15 | 2020-04-15 | Gas monitoring and analyzing system for deep coal mine safety |
| NL2025656A NL2025656B1 (en) | 2020-04-15 | 2020-05-25 | Gas monitoring and analyzing system for deep coal mine safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294732.1A CN111323549A (en) | 2020-04-15 | 2020-04-15 | Gas monitoring and analyzing system for deep coal mine safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111323549A true CN111323549A (en) | 2020-06-23 |
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ID=71164457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010294732.1A Pending CN111323549A (en) | 2020-04-15 | 2020-04-15 | Gas monitoring and analyzing system for deep coal mine safety |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111323549A (en) |
| NL (1) | NL2025656B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961696B (en) * | 2022-05-31 | 2024-08-09 | 西安科技大学 | Method for detecting gas parameters in directional long-drilled holes of coal seam |
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| CN108584820A (en) * | 2018-04-12 | 2018-09-28 | 曾惠阳 | A kind of aerial work platform anticollision device, collision-prevention device |
| CN209225195U (en) * | 2018-12-14 | 2019-08-09 | 天津岩海华博科技发展有限公司 | A kind of movable air detection device |
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| CN210003335U (en) * | 2019-02-15 | 2020-01-31 | 赵敏 | kinds of intelligent coal mine underground monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004355345A (en) * | 2003-05-29 | 2004-12-16 | Matsushita Electric Ind Co Ltd | Gas alarm |
| CN109085304A (en) * | 2018-09-06 | 2018-12-25 | 滨州学院 | A kind of detection of methane gas and dangerous concentrations prior-warning device |
| CN109813851A (en) * | 2019-02-18 | 2019-05-28 | 南京信息工程大学 | A kind of air pollution intelligent monitoring device and system |
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2020
- 2020-04-15 CN CN202010294732.1A patent/CN111323549A/en active Pending
- 2020-05-25 NL NL2025656A patent/NL2025656B1/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205154261U (en) * | 2015-12-01 | 2016-04-13 | 山西中煤西沙河煤业有限公司 | Gas sensor cable suspension device for mine roof |
| CN105736053A (en) * | 2016-02-29 | 2016-07-06 | 周丹 | Coal mine underground environment monitor |
| CN207608886U (en) * | 2017-12-05 | 2018-07-13 | 浙江海洋大学 | A kind of collision proof device for wharf |
| CN108584820A (en) * | 2018-04-12 | 2018-09-28 | 曾惠阳 | A kind of aerial work platform anticollision device, collision-prevention device |
| CN209225195U (en) * | 2018-12-14 | 2019-08-09 | 天津岩海华博科技发展有限公司 | A kind of movable air detection device |
| CN210003335U (en) * | 2019-02-15 | 2020-01-31 | 赵敏 | kinds of intelligent coal mine underground monitoring system |
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2025656B1 (en) | 2022-01-07 |
| NL2025656A (en) | 2022-01-04 |
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Application publication date: 20200623 |