CN202417601U - Mine water-level alarming device - Google Patents

Mine water-level alarming device Download PDF

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Publication number
CN202417601U
CN202417601U CN2011205513640U CN201120551364U CN202417601U CN 202417601 U CN202417601 U CN 202417601U CN 2011205513640 U CN2011205513640 U CN 2011205513640U CN 201120551364 U CN201120551364 U CN 201120551364U CN 202417601 U CN202417601 U CN 202417601U
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CN
China
Prior art keywords
water
level
main frame
alarm device
show case
Prior art date
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Expired - Fee Related
Application number
CN2011205513640U
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Chinese (zh)
Inventor
王家国
孙彦峰
刘成新
李震
任金凤
刘永奎
卢庆水
霍公厚
秦奋
王西彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZAOZHUANG LIANCHUANG INDUSTRIAL CO LTD
Original Assignee
ZAOZHUANG LIANCHUANG INDUSTRIAL CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZAOZHUANG LIANCHUANG INDUSTRIAL CO LTD filed Critical ZAOZHUANG LIANCHUANG INDUSTRIAL CO LTD
Priority to CN2011205513640U priority Critical patent/CN202417601U/en
Application granted granted Critical
Publication of CN202417601U publication Critical patent/CN202417601U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a mine water-level alarming device, which comprises a water-level sensor, a water pump and an explosion-proof switch, and the mine water-level alarming device is characterized in that the water-level sensor is connected with a host machine through a circuit, the water pump is connected with the explosion-proof switch, the explosion-proof switch is connected with the host machine, a display box is connected with the host machine, and a power supply is connected with the host machine and the explosion-proof switch; and the host machine is connected with an underground base station through an interface, and the underground base station is connected with a ground base station through a circuit; and the host machine is provided with a corresponding remote control transmitter. Due to the adoption of the mine water-level alarming device, the water-level situation can be monitored at any time on an underground field post and in a floor dispatching room, when the water level exceeds a highest and a lowest guard line, a field device and the floor dispatching room issue an alarm simultaneously, a dispatcher and the personnel on the spot can acquire the information in time to take emergence measures and to avoid the further development of the dangerous situation, the device not only can be used for drainage control and alarming, but also can be used for injection controlling and alarming, so that the application range is enlarged, and the safety and stability are achieved.

Description

Mining water-level alarm device
Technical field
The utility model relates to the regimen monitoring under the security context such as a kind of mining and reports to the police and the device of row's water filling, relates in particular to a kind of mining water-level alarm device.
Background technology
The present general water-level alarm control device in each mine can be kept watch on the height of water level, turn on pump during high water level, termination of pumping during low water stage.Break down like switch or water pump, the situation that water diffused out or burnt motor will occur, brought hidden danger, lack the control and the warning of water-filling function to Mine Safety in Production.
Summary of the invention
The purpose of the utility model provide a kind of can level monitoring height and can report to the police, arrange the mining water-level alarm device of water filling.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:
A kind of mining water-level alarm device comprises level sensor, water pump, flame-proof switch, it is characterized in that: level sensor connects main frame through circuit; Water pump connects flame-proof switch; Flame-proof switch connects main frame, and show case connects main frame, and power supply connects main frame, flame-proof switch.
According to described mining water-level alarm device, it is characterized in that: said main frame is through base station under the interface connection well, and the base station, down-hole connects ground base station through circuit; Described main frame is provided with corresponding remote-controlled transmitter.
According to described mining water-level alarm device; It is characterized in that: said main frame comprises host shell, main frame cover plate; Circuit board module is installed in the host shell the inside through screw, and the host shell side is provided with baffle ring, ground device, and the main frame cover plate is installed on the host shell through bolt.
According to described mining water-level alarm device; It is characterized in that: said show case comprises show case housing, cable entry; The show case housing is connected through screw with the show case cap assemblies; Show case is equipped with loudspeaker and indicator lamp, and the loudspeaker of show case and the circuit of indicator lamp pass cable entry, baffle ring connection line board component.
According to described mining water-level alarm device; It is characterized in that: said level sensor comprises cable entry, sensor housing, and cable entry is installed in the upper end of sensor housing, and the sensor housing the inside is provided with epoxy resin; The bottom mounting core bar of sensor housing the inside; Chip is installed on the chip carrier, and cable one end passes cable entry and connects chip, and the other end of cable connects the circuit board module on the main frame.
According to described mining water-level alarm device, it is characterized in that: the clamp nut that is spirally connected of the baffle ring on the said main frame, closure plate is pressed in the clamp nut the inside; The closure plate the inside is a sealing ring; Install on the host shell and carry ear, carry handle is installed on the ear, host shell, show case housing all are provided with sign board.
According to described mining water-level alarm device, it is characterized in that: the circuit board module on the said main frame is made up of embedded Control kernel and LED; Communications portion, audio-frequency unit, level sensor importation, indicator lamp drive part, led section all are connected on the circuit board module.
According to described mining water-level alarm device; It is characterized in that: said device adopts the embedded control system kernel as core parts; The water level signal of sensor acquisition inserts the warning device main frame by input terminal; In embedded, convert instant water level digital quantity behind the kernel operation into, and the driving LED charactron shows, after this instant water level amount compares computing with inner high-order controlling parameter, low level controlling parameter and the alarm water level value parameter that prestores; Decision closing relay unlatching pump switch still breaks off relay stops pump switch, perhaps starts and reports to the police; When COM1 was received the query statement of netting from monitoring, kernel received instruction and compares with this machine numbering, if be the instruction of this machine of inquiry really, the water level information with the collection of this machine is uploaded to monitor network immediately; All controlling parameter that prestore all can be made amendment through remote controller, and memory is preserved automatically, thereby realize the automatic start-stop control of water pump.
The utility model has the advantages of and be: when the situation that on-the-spot hilllock point and ground maneuvers chamber all can be kept watch on water level at any time in the down-hole, water level exceed the height warning line, report to the police simultaneously in field device and ground maneuvers chamber; Dispatcher and Field Force can in time obtain information; Take emergency measures, avoid dangerous situation to further expand, device both can be used as draining control and warning also can be used as water filling control and warning; Enlarged the scope of application, safety and stability.
Description of drawings
Fig. 1 is the use principle figure of the utility model.
Fig. 2 is the front view of host part among Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the front view of show case parts among Fig. 1.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the left view of Fig. 5.
Fig. 8 is the assembling drawing of sensor element among Fig. 1.
Fig. 9 is the circuit diagram of the kernel 9163FE of circuit board module among Fig. 4.
Figure 10 is the partial circuit figure of circuit board module among Fig. 4.
Figure 11 is circuit diagrams partly such as the LED of circuit board module among Fig. 4.
Figure 12 is the power amplifier of circuit board module among Fig. 4 and the circuit diagram of communications portion.
Figure 13 is the sensor of circuit board module among Fig. 4 and the circuit diagram of LED Unit drive part.
In the accompanying drawing: 1, main frame; 2, show case; 3, sensor; 4, water pump; 5, sump; 6, flame-proof switch; 7, base station, down-hole; 8, ground base station; 9, host shell; 10, bolt; 11, cover plate; 12, handle; 13, carry ear; 14, clamp nut; 15, baffle ring; 16, closure plate; 17, sealing ring; 18, ground device; 19, screw; 20, circuit board module; 21, sign board; 22, non-intrinsic safety wiring terminal; 23, insulation spacer; 24, show case housing; 25, cable entry; 26, show case cap assemblies; 27, cable; 28, sensor housing; 29, epoxy resin; 30, chip carrier; 31, chip.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further:
The structure of the utility model is as shown in Figure 1; A kind of mining water-level alarm device comprises level sensor 3, water pump 4, flame-proof switch 6, it is characterized in that: level sensor 3 connects main frame 1 through circuit; Water pump 4 connects flame-proof switch 6; Flame-proof switch 6 connects main frame 1, and show case 2 connects main frame 1, and power supply connects main frame 1, flame-proof switch 6.According to described mining water-level alarm device, it is characterized in that: said main frame 1 is through base station 7 under the 485 interface connection well, and base station, down-hole 7 connects ground base station 8 through circuit; Described main frame 1 is provided with corresponding remote-controlled transmitter 32.According to described mining water-level alarm device; It is characterized in that: said main frame 1 comprises host shell 9, main frame cover plate 11; Circuit board module 20 is installed in host shell 9 the insides through screw 19; Host shell 9 sides are provided with baffle ring 15, ground device 18, and main frame cover plate 11 is installed on the host shell 9 through bolt 10.According to described mining water-level alarm device; It is characterized in that: said show case 2 comprises show case housing 24, cable entry 25; Show case housing 24 is connected through screw 19 with show case cap assemblies 26; Show case 2 is equipped with loudspeaker and indicator lamp, and the loudspeaker of show case 2 and the circuit of indicator lamp pass cable entry 25, baffle ring 15 connection line board components 20.According to described mining water-level alarm device; It is characterized in that: said level sensor 3 comprises cable entry 25, sensor housing 18, and cable entry 25 is installed in the upper end of sensor housing 18, and sensor housing 18 the insides are provided with epoxy resin 29; The bottom mounting core bar 30 of sensor housing 18 the insides; Chip 31 is installed on the chip carrier 30, and cable 27 1 ends pass cable entry 25 and connect chip 31, and the other end of cable 27 connects the circuit board module 20 on the main frame 1.According to described mining water-level alarm device; It is characterized in that: the clamp nut 14 that is spirally connected of the baffle ring 15 on the said main frame 1; Closure plate 16 is pressed in clamp nut 14 the insides, and closure plate 16 the insides are sealing ring 17, installs on the host shell 9 and carries ear 13; Carry handle 12 is installed on the ear 13, host shell 9, show case housing 24 all are provided with sign board 21.According to described mining water-level alarm device, it is characterized in that: the circuit board module 20 on the said main frame 1 is made up of embedded Control kernel and LED; Communications portion, audio-frequency unit, level sensor 3 importations, indicator lamp drive part, led section all are connected on the circuit board module 20.According to described mining water-level alarm device; It is characterized in that: said device adopts the embedded control system kernel as core parts; The water level signal of sensor acquisition inserts warning device main frame 1 by input terminal; In embedded, convert instant water level digital quantity behind the kernel operation into, and the driving LED charactron shows, after this instant water level amount compares computing with inner high-order controlling parameter, low level controlling parameter and the alarm water level value parameter that prestores; Decision closing relay unlatching pump switch still breaks off relay stops pump switch, perhaps starts and reports to the police; When COM1 was received the query statement of netting from monitoring, kernel received instruction and compares with this machine numbering, if be the instruction of this machine of inquiry really, the water level information with the collection of this machine is uploaded to monitor network immediately; All controlling parameter that prestore all can be made amendment through remote controller, and memory is preserved automatically, thereby realize the automatic start-stop control of water pump.
Electric elements in the accompanying drawing circuit: R1-R57 is a metalfilmresistor; C1-C4, C9, C10, C12 are electrochemical capacitor; C5-C8, C11, C.LB are solid dielectric electric capacity; G1-G4 is a photoelectric coupling circuit; U1 is a three terminal regulator; U2 is a Hall element; P1 is a pad; D1-D7 is a diode; D8-D10 is a light emitting diode; DW1-DW3 Zener diode; Q1, Q2 are controllable silicon; S1 is a toggle switch; ZL1, BR are rectifier bridge; PR1 is an exclusion; RW1 is accurate adjustable potentiometer; U1-U4, U7 three terminal regulator; U3-U11 is an integrated package; IC1 is an integrated package; Y1 is a crystal oscillator; Q1-Q6 is a triode; F is a fuse; K1 is a solid state fuse; T1 is a transformer; P2 is a contact pin; P5 is a wiring terminal; PZ1 is a wiring terminal; J1 is a wiring terminal; B, K, VT, OUT, TX, T, RX are light emitting diode; CZ is a magnetic bead; LED is a charactron; DC-DC is a power module; IC2 is a drive IC.
Be an embodiment of the utility model below:
ZSB127 is mining water-level alarm device
One, general introduction
1, purposes and characteristics
ZSB127 is mining, and the water-level alarm device is used for acousto-optic language alarm under the coal mine.Global design is reasonable, and is simple in structure, easy for installation, and on-the-spot result of use is fine.
2, model and definition ZSB127
Two, the key technical indexes
General requirements
A. install the connection of each ingredient; Sign safe in utilization be numbered MIA050181, and before the deadline MYQ-0.3/0.5 (1.0-2.5) mm2 colliery with moving light-duty rubber sleeve flexible cable; Cable length≤100m (inductance value=0.8mH/km; Capacitance=0.06uF/km, resistance value=12.6 Ω/km).
Electric clearance between b. non-intrinsic safety wiring terminal and shell: >=5.0mm; Creep age distance: >=8.0mm.Electric clearance between intrinsic safety wiring terminal and shell: >=3.0mm; Creep age distance: >=3.0mm.Distance >=50mm between intrinsic safety and the non-intrinsic safety terminal.
ZSB127-Z mine explosion-suppression and intrinsic safety type water-level alarm device main
A. supply voltage: 127V (AC 95V~140V);
B. operating current :≤100mA;
C. supply the intrinsic safety electric source output of show case red light: load current :≤90 mA, output voltage range: 11V~13V;
D. (11V~13V/0V) is output time: 0.5 ± 0.2S alternately to supply show case red light intrinsic safety electric source;
E. supply the intrinsic safety electric source output of show case green light: load current :≤70 mA, output voltage range: 11V~13V;
F. supply the intrinsic safety electric source output of two path water level sensor: load current :≤20 mA, output voltage range: 11V~13V;
G. input control signal (from level sensor): two-way high-low level signal, low level≤1V, high level>=9V;
H. intrinsic safety parameter
Um:140V?AC;
Uo:13.0V;
Io:410mA;
Lo:0.2mH;
Co:15uF。
ZSB12-X mine intrinsic safety type water-level alarm device, display
A) red light power supply: (11.0V~13.0V)/0V alternately, time: 0.5 ± 0.2S alternately, I≤90 mA;
B) green light power supply: 11.0V~13.0V, I≤70 mA;
C) indicator lamp display mode: for green, red LED single face shows that red light and green light are " filled circles " shape, i.e. " ● ";
D) loudspeaker specification: 5W/8 Ω;
F) volume (dB): >=85;
G) light signal strength: 30m visible (in the dark), and distinguishable color;
H) intrinsic safety parameter
Ui:13.0V;
Ii:410mA;
Li:0;
Ci:0.1uF。
The mining level sensor of GUH1
A. supply voltage: DC 12V ± 1V;
B. operating current :≤10mA;
C. export signal: the high-low level signal, output is not less than the signal of telecommunication of 9V during action, and output is not more than the 1V signal of telecommunication when being failure to actuate;
D. intrinsic safety parameter
Ui:13.0V;
Ii:410mA;
Li:0;
Ci:4.7uF。
Major function
When water level surpassed setting height, blinking red lamp also sent the chimes of doom of " water level transfinites, and please notes safety ".When water level was lower than setting height, green light was bright, alarm free sound.
Working environment:
A) environment temperature: 0 ℃~+ 40 ℃;
B) average relative humidity: be not more than 95% (+25 ℃);
C) height above sea level: height above sea level is no more than 2000m;
D) under the coal mine gas is arranged, the environment of coal dust explosion hazard, but do not have the corrosive gas place that significantly vibrates and impact, do not have the insulation of destroying.
Three, structure is formed
There are audio alert and LED indicating circuit in device control circuit inside, is installed in the steel shell.Humidity, antijamming capability is strong.
Four, operating principle
In underworkings zone, colliery, when water level surpassed setting height, blinking red lamp also sent the chimes of doom of " water level transfinites, and please notes safety ".When water level was lower than setting height, green light was bright, alarm free sound.
Five, install
1, device is installed in the tunnel, and notes water, shock.
2, other ingredient with device couples together (seeing wiring diagram) energized.
Six, debugging
To install and use cable to connect, energized triggers sensor then, observes duty.
Seven, working service and fault are got rid of
The dust and the ponding of timely scavenge unit surface coverage, whether testing fixture is installed firm.As find that device damages and in time to change.
Eight, sign, packing, transportation and storage
8.1 sign
8.1.1 product marking
8.1.1.1 the obvious place of shell should be provided with permanent clearly burr or dimpled grain sign " Exd [ib] I ".
8.1.1.2 should possess " MA " (regulation that should meet AQ1043) safety label.
8.1.1.3 the obvious place of shell should be provided with firm warning sign and nameplate, nameplate should comprise following content:
A) name of product and model;
B) there is significantly " Ex " sign in the upper right side;
C) explosion-proof sign;
D) the key technical indexes;
E) certification of conformity of an instrument for explosive atmosphere number;
F) safety sign numbering;
G) produce numbering and build date;
H) production unit.
8.1.2 mark of parcels
8.1.2.1 package indicative mark should meet the regulation of GB/T 191.
8.1.2.2 the packing case outer wall should have tangible sign, content comprises:
A) factory's name or emblem mark;
B) name of product and model;
C) overall dimensions and quality;
D) date of production.
8.2 packing
8.2.1 packing should adopt the composite protective packaging type, has waterproof, protection against the tide, dustproof, vibrationproof ability.
8.2.2 packing case the planted agent provide the following files:
A) packing list;
B) work certificate;
C) description (write by the regulation of GB/T 9969 and undertaken);
D) other technologies file.
8.3 transportation can be adopted the various forms of transport that comprise water transport, land transportation and air transport.
Should be stored in the draughty environment 8.4 store, prevent to contact with the corrosive gas material.
Nine, points for attention
1) maintenance the time must not change electric parameter, specification and the model of intrinsically safe circuit and components and parts relevant with intrinsically safe circuit;
2) (see attached list) and must not arbitrarily be connected with other equipment without joint inspection;
3) charged uncapping forbidden in the explosion-proof chamber down-hole!
4) note the protection explosion suppresion surface, prevent " losing quick-fried ".
When the utility model situation that on-the-spot hilllock point and ground maneuvers chamber all can be kept watch on water level at any time in the down-hole, water level exceed just warning line, report to the police simultaneously in field device and ground maneuvers chamber; Dispatcher and Field Force can in time obtain information; Take emergency measures, avoid dangerous situation to further expand, device both can be used as draining control and warning also can be used as water filling control and warning; Enlarged the scope of application, safety and stability.
Embodiment recited above describes the preferred implementation of the utility model; Be not that design and protection domain to the utility model limits; Under the prerequisite that does not break away from the utility model design concept; Common engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection domain of the utility model.

Claims (8)

1. mining water-level alarm device; Comprise level sensor (3), water pump (4), flame-proof switch (6); It is characterized in that: level sensor (3) connects main frame (1) through circuit, and water pump (4) connects flame-proof switch (6), and flame-proof switch (6) connects main frame (1); Show case (2) connects main frame (1), and power supply connects main frame (1), flame-proof switch (6).
2. mining water-level alarm device according to claim 1 is characterized in that: said main frame (1) is through base station (7) under the 485 interface connection well, and base station, down-hole (7) connect ground base station (8) through circuit; Described main frame (1) is provided with corresponding remote-controlled transmitter (32).
3. mining water-level alarm device according to claim 1; It is characterized in that: said main frame (1) comprises host shell (9), main frame cover plate (11); Circuit board module (20) is installed in host shell (9) the inside through screw (19); Host shell (9) side is provided with baffle ring (15), ground device (18), and main frame cover plate (11) is installed on the host shell (9) through bolt (10).
4. mining water-level alarm device according to claim 1; It is characterized in that: said show case (2) comprises show case housing (24), cable entry (25); Show case housing (24) is connected through screw (19) with show case cap assemblies (26); Show case (2) is equipped with loudspeaker and indicator lamp, and the loudspeaker of show case (2) and the circuit of indicator lamp pass cable entry (25), baffle ring (15) connection line board component (20).
5. mining water-level alarm device according to claim 1; It is characterized in that: said level sensor (3) comprises cable entry (25), sensor housing (18); Cable entry (25) is installed in the upper end of sensor housing (18); Sensor housing (18) the inside is provided with epoxy resin (29), and the bottom mounting core bar (30) of sensor housing (18) the inside, chip carrier (30) are gone up chip (31) is installed; Cable (27) one ends pass cable entry (25) and connect chip (31), and the other end of cable (27) connects the circuit board module (20) on the main frame (1).
6. mining water-level alarm device according to claim 1; It is characterized in that: the clamp nut (14) that is spirally connected of the baffle ring (15) on the said main frame (1); Closure plate (16) is pressed in clamp nut (14) the inside, and closure plate (16) the inside is sealing ring (17), and host shell (9) is gone up to install and carried ear (13); Carry handle (12) is installed on the ear (13), host shell (9), show case housing (24) all are provided with sign board (21).
7. mining water-level alarm device according to claim 1 is characterized in that: the circuit board module (20) on the said main frame (1) is made up of embedded Control kernel and LED; Communications portion, audio-frequency unit, level sensor (3) importation, indicator lamp drive part, led section all are connected on the circuit board module (20).
8. mining water-level alarm device according to claim 1; It is characterized in that: said device adopts the embedded control system kernel as core parts; The water level signal of sensor acquisition inserts warning device main frame (1) by input terminal; In embedded, convert instant water level digital quantity behind the kernel operation into, and the driving LED charactron shows, after this instant water level amount compares computing with inner high-order controlling parameter, low level controlling parameter and the alarm water level value parameter that prestores; Decision closing relay unlatching pump switch still breaks off relay stops pump switch, perhaps starts and reports to the police; When COM1 was received the query statement of netting from monitoring, kernel received instruction and compares with this machine numbering, if be the instruction of this machine of inquiry really, the water level information with the collection of this machine is uploaded to monitor network immediately; All controlling parameter that prestore all can be made amendment through remote controller, and memory is preserved automatically, thereby realize the automatic start-stop control of water pump.
CN2011205513640U 2011-12-27 2011-12-27 Mine water-level alarming device Expired - Fee Related CN202417601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205513640U CN202417601U (en) 2011-12-27 2011-12-27 Mine water-level alarming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205513640U CN202417601U (en) 2011-12-27 2011-12-27 Mine water-level alarming device

Publications (1)

Publication Number Publication Date
CN202417601U true CN202417601U (en) 2012-09-05

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ID=46742374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205513640U Expired - Fee Related CN202417601U (en) 2011-12-27 2011-12-27 Mine water-level alarming device

Country Status (1)

Country Link
CN (1) CN202417601U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562165A (en) * 2011-12-27 2012-07-11 枣庄联创实业有限责任公司 Mining water level warning device
CN104879168A (en) * 2015-05-15 2015-09-02 山东科技大学 Coal bed high-pressure water injection intelligent monitoring system and intelligent monitoring method thereof
CN108106690A (en) * 2018-02-02 2018-06-01 徐州江煤科技有限公司 A kind of strong antijamming capability intrinsic safety radar object position show case

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562165A (en) * 2011-12-27 2012-07-11 枣庄联创实业有限责任公司 Mining water level warning device
CN102562165B (en) * 2011-12-27 2013-11-20 枣庄联创实业有限责任公司 Mining water level warning device
CN104879168A (en) * 2015-05-15 2015-09-02 山东科技大学 Coal bed high-pressure water injection intelligent monitoring system and intelligent monitoring method thereof
CN104879168B (en) * 2015-05-15 2017-03-01 山东科技大学 A kind of coal seam high pressure water injection intelligent monitor system and its intelligent control method
CN108106690A (en) * 2018-02-02 2018-06-01 徐州江煤科技有限公司 A kind of strong antijamming capability intrinsic safety radar object position show case

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

Termination date: 20141227

EXPY Termination of patent right or utility model