CN202645534U - Multi-terminal parameter monitoring system for underground tunnel drilling machine of coal mine - Google Patents
Multi-terminal parameter monitoring system for underground tunnel drilling machine of coal mine Download PDFInfo
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- CN202645534U CN202645534U CN 201220266748 CN201220266748U CN202645534U CN 202645534 U CN202645534 U CN 202645534U CN 201220266748 CN201220266748 CN 201220266748 CN 201220266748 U CN201220266748 U CN 201220266748U CN 202645534 U CN202645534 U CN 202645534U
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Abstract
The utility model relates to a multi-terminal parameter monitoring system for an underground tunnel drilling machine of a coal mine. The multi-terminal parameter monitoring system comprises a sensor component, a field control box and a display terminal component, wherein, the sensor component is arranged on a machine body of the tunnel drilling machine; the field control box is arranged on the machine body of the tunnel drilling machine, one side of the field control box is connected with the sensor component, and the other side of the field control box is connected with the display terminal component; and electrical signals acquired by the sensor component are processed by the field control box and then are converted into multichannel optical signals that are transmitted to the display terminal component. The multi-terminal parameter monitoring system is applied to the underground work environment of the coal mine, is convenient to install, has the advantages of low cost, long monitoring distance, a plurality of display terminals and flexible display mode, can monitor various drilling parameters of the drilling machine in a real-time manner, and can assist drillers in the underground boring field operation.
Description
Technical field
The utility model belongs to the electronic instrument under the coal mine, is specifically related to underground drill rig multiple terminals parameter monitoring system under a kind of coal mine.
Background technology
China is one, and almost 95% coal resources come from pit mining take coal as main energy-consuming big country, because the condition of coal seam occurrence of China is complicated and changeable, gas explosion, coal and Gas Outburst, roof collapse, the dynamic disaster accident such as permeable occur repeatedly.Be a special production environment under the coal mine, humidity is high, dust is large and contain gas explosion gas.Along with the progressively exploitation of China deep and the soft high-risk resource such as projecting coal bed, the working condition more sophisticated of down-hole, the security threat that the operating personnel is subject to is also more and more serious.
Gas pumping is the Basic Ways of colliery control Gas Disaster, mainly realize by coal bed drilling, at present, the China's coal-mine underground boring construction is mainly take the all-hydraulic power head churn as main, the all-hydraulic power head churn is usually by motor-driven, revolution by the HYDRAULIC CONTROL SYSTEM unit head and feeding, and then drive bit cutting coal petrography, during drilling construction, the driller personnel need according to the various instrument that configure on the rig, such as pressure meter, thermometer is understood and is crept into duty, so according to experience to handling rig, this job practices requires the driller personnel to be positioned near the rig, is difficult to the personal injury of avoiding the outstanding accident of coal bed drilling to cause.
The utility model content
The technical problem that the utility model solves provide a kind of easy for installation, cost is low, monitoring distance is far away, display terminal is many, display mode is flexible, can be used for the underground drill rig multiple terminals parameter monitoring system of hazardous environment under the coal mine.
For solving above-mentioned technical problem, the technical solution adopted in the utility model:
Underground drill rig multiple terminals parameter monitoring system under a kind of coal mine, its special character is: comprise
Sensor cluster, field control case, display terminal assembly, described sensor cluster is arranged on the underground drill rig fuselage, the field control case is arranged on the underground drill rig fuselage, one side is connected with sensor cluster, opposite side is connected with the display terminal assembly, becomes multipath light signal behind the Electric signal processing that the field control case collects sensor cluster and is transferred to the display terminal assembly.
Above-mentioned sensor cluster adopts analog sensor C1 and digital sensors C2.
The sensor of above-mentioned sensor cluster is all selected the intrinsic safety type sensor, and the output interface of analog sensor C1 is 4 ~ 20mA signal.
The analog sensor C1 of above-mentioned sensor cluster comprises the feed pressure sensor, rises and pull out pressure sensor, main pump pressure sensor, auxiliary pump pressure sensor, return pressure sensor, oil tank liquid level sensor, oil liquid temperature sensor; Described digital sensors C2 comprises the revolution speed probe.
Above-mentioned field control case comprises the 12V power supply; master board and optical branching device; all place in the mine explosion-suppression casing with essential safe type input/output signal interface of sealing; master board comprises intrinsic safe power circuit; the analog signals modulate circuit; photoelectric isolating circuit; microcontroller; memory circuit; telecommunication circuit; intrinsic safe power circuit is by the isolated buck circuit; dual over-voltage over-current protection circuit; step-down and holding circuit are followed in series to form; the analog signals modulate circuit is by electronic analog switch circuit; linear optical coupling; filter circuit; amplifying circuit is followed in series to form; telecommunication circuit is by the communication level change-over circuit; transmission control module; the optoelectronic transceiver integrated module is followed in series to form; a road of 12V power supply is connected with intrinsic safe power circuit; in addition two-way respectively with the analog signals modulate circuit; photoelectric isolating circuit connects; intrinsic safe power circuit respectively with the analog signals modulate circuit; photoelectric isolating circuit; microcontroller; memory circuit; telecommunication circuit connects; microcontroller respectively with the analog signals modulate circuit; photoelectric isolating circuit; memory circuit; telecommunication circuit connects; optical branching device one end is connected with telecommunication circuit, and the other end is connected with the display terminal assembly.
The STM32F103ZET6 type ARM single-chip microcomputer that above-mentioned microcontroller adopts ST Microelectronics to produce.
Above-mentioned display terminal assembly comprises the intrinsic safety communication board; explosion-suppression and intrinsic safety 12V power supply; the PC104 mainboard; memory module; show and control module; memory module comprises hard disk; flash memory; demonstration and control module comprise USB intrinsic safety keyboard and mouse; display screen; the intrinsic safety communication board comprises intrinsic safe power circuit; the USB buffer circuit; communication processing circuit; intrinsic safe power circuit is by the isolated buck circuit; dual over-voltage over-current protection circuit series connection consists of; the USB buffer circuit comprises a USB buffer circuit; the 2nd USB buffer circuit; communication processing circuit is by the communication level change-over circuit; transmission control module; the optoelectronic transceiver integrated module is followed in series to form; explosion-suppression and intrinsic safety 12V power supply respectively with the PC104 mainboard; intrinsic safe power circuit connects; the isolated buck circuit of intrinsic safe power circuit is connected with the USB buffer circuit; dual over-voltage over-current protection circuit respectively with the USB buffer circuit; communication processing circuit connects; communication processing circuit one end is connected with the PC104 mainboard; the other end is connected with the field control case; the USB buffer circuit is connected with the PC104 mainboard; the PC104 mainboard respectively with display screen; hard disk connects; the one USB buffer circuit is connected with the 2nd USB buffer circuit, and the 2nd USB buffer circuit is connected with flash memory.
Compared with prior art, the beneficial effects of the utility model:
The utility model can be applied in the Working Environment of Underground Mine, and is easy for installation, cost is low, monitoring distance is far away, display terminal is many, display mode is flexible, and multiple drilling parameter that can the Real-Time Monitoring rig assists the driller personnel to finish the underground boring construction operation.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is sensor cluster structure chart of the present utility model;
Fig. 3 is field control case circuit diagram of the present utility model;
Fig. 4 is display terminal figure of the present utility model;
Fig. 5 is the control flow chart of field control case of the present utility model;
Fig. 6 is the control flow chart of display terminal of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Basic principle of the present utility model is: sensor cluster collection site underground drill rig parameter converts analog quantity or digital quantity signal to and processes by sending into microcontroller after the signal conditioning circuit in the field control case conditioning; Microcontroller calculates and sends on communication 485 buses by the communication data packet format, through optical branching device optical signal is distributed to each display terminal after converting thereof into optical signal output by the electricity of control cabinet inside-light modular converter again; Each display terminal restores into 485 signals of telecommunication after optical signal is received, again the communication data packet that obtains is extracted the parameter that each sensor gathers by form, judge whether to exist fault by each supplemental characteristic, and fault in production code, these supplemental characteristics and failure code are saved into the notepad file for the flash memory copy on the one hand, on the other hand they be used for again in the real-time update software interface parameter and draw response curve, the staff can understand the duty of rig in real time by the software interface of each display terminal, thereby reaches the purpose of this utility model.
Referring to Fig. 1 ~ 4, the utility model comprises sensor cluster 1, field control case 2, display terminal assembly 3, described sensor cluster 1 is arranged on the underground drill rig fuselage, field control case 2 is arranged on the underground drill rig fuselage, one side is connected with sensor cluster 1, opposite side is connected with display terminal assembly 3, becomes multipath light signal behind the Electric signal processing that field control case 2 collects sensor cluster 1 and is transferred to display terminal assembly 3.
The physical quantity that sensor cluster 1 will need to monitor becomes the manageable digital quantity of controller.
Behind the signal of field control case 2 timing acquiring and processes sensor assembly monitoring parameter being become optical signal transmission by the communication data form goes out.
The optical signal that display terminal assembly 3 will receive from the field control case is reduced into the signal of telecommunication, and presses the sensor parameters that the communication data form extracts monitoring, process and whether break down, and on software interface periodic refreshing monitoring parameter and failure code.
The sensor of above-mentioned sensor cluster 1 is all selected the intrinsic safety type sensor, and the output interface of analog sensor C1 is 4 ~ 20mA signal.
Referring to Fig. 1, sensor cluster 1 is installed on the underground drill rig fuselage, and after each position to be monitored fixed, the cable of being drawn by the sensor cluster afterbody arranged along the underground drill rig fuselage, gather in the junction box on underground drill rig again, finally be connected in the field control case 2; Analog sensor C1 selects the output of 4 ~ 20mA signal, is convenient to the AD resource of fault detect and multiplexed microcontroller 203.Field control case 2 other ends connect display terminal assembly 3, and display terminal assembly 3 can be a plurality of terminal D 1 ~ Dn that are positioned under the coal mine, also can be to be positioned at a plurality of terminal U1 on the coal mine ~ Un; Field control case 2 is control centres, becomes optical signal transmission behind the Electric signal processing that it collects sensor cluster 1 to display terminal assembly 3.
Referring to Fig. 2, sensor cluster comprises analog sensor C1 and digital sensors C2; Analog sensor C1 comprises: feed pressure sensor 10, rise and to pull out pressure sensor 11, main pump pressure sensor 12, auxiliary pump pressure sensor 13, return pressure sensor 14, oil tank liquid level sensor 15, oil liquid temperature sensor 16; Described digital sensors C2 comprises revolution speed probe 17.
Referring to Fig. 3; field control case 2 comprises 12V power supply 20; master board 21 and optical branching device 22; all place the essential safe type input/output signal interface that has of sealing to get in the mine explosion-suppression casing; master board 21 comprises intrinsic safe power circuit 200; analog signals modulate circuit 201; photoelectric isolating circuit 202; microcontroller 203; memory circuit 204; telecommunication circuit 205; intrinsic safe power circuit 200 is by isolated buck circuit 211; dual over-voltage over-current protection circuit 212; step-down and holding circuit 213 are followed in series to form; analog signals modulate circuit 201 is by electronic analog switch circuit 214; linear optical coupling 215; filter circuit 216; amplifying circuit 217 is followed in series to form; telecommunication circuit 205 is by communication level change-over circuit 218; transmission control module 219; optoelectronic transceiver integrated module 220 is followed in series to form; a road of 12V power supply 20 is connected with intrinsic safe power circuit 200; in addition two-way respectively with analog signals modulate circuit 201; photoelectric isolating circuit 202 connects; intrinsic safe power circuit 200 respectively with analog signals modulate circuit 201; photoelectric isolating circuit 202; microcontroller 203; memory circuit 204; telecommunication circuit 205 connects; microcontroller 203 respectively with analog signals modulate circuit 201; photoelectric isolating circuit 202; memory circuit 204; telecommunication circuit 205 connects; optical branching device 22 1 ends are connected with telecommunication circuit 205, and the other end is connected with display terminal assembly 3.
The STM32F103ZET6 type ARM single-chip microcomputer that above-mentioned microcontroller 203 adopts ST Microelectronics to produce.
22 minutes downlink datas from on-the-spot intrinsic safety master control borad of the optical branching device of field control case 2, and the upstream data of concentrated each display terminal are divided into many minutes for downlink data channel with the optical signal that produces in the telecommunication circuit.
On-the-spot intrinsic safety master control borad 21 is realized collection, data storage, the communication task of sensor.The STM32F103ZET6 type ARM single-chip microcomputer that microcontroller adopts ST Microelectronics to produce, its dominant frequency 72MHz, 512K, 64K RAM, 4 16 bit timing devices, 5 serial ports, 2 CAN, 21 reusable AD passages, 12 passage PWM, 112 reusable IO mouths; Intrinsic safety electric source 200 becomes the 12V power supply of explosion-suppression and intrinsic safety 12V power supply 20 inputs into intrinsic safety 5V and the 3.3V power supply that circuit board will use, and powers for on-the-spot intrinsic safety master control borad; External sensor is sent into the parameter that each physical quantity was processed and calculated to microcontroller through analog signals modulate circuit 201 and photoelectric isolating circuit 202; Memory circuit 204 adopts eeprom chip 24C02, can power down preserve each physical index.Telecommunication circuit 205 realizes the real-time communication function of display terminal assembly 3 and microcontroller 203, the serial ports RS232 of microcontroller converts the RS485 signal to through communication level change-over circuit 218, and transmission control module 219 carries out parallel-serial conversion and control with it and sends into optoelectronic transceiver integrated module 220 and become optical signal output.
The analog signals modulate circuit switches the intrinsic safety analog sensor C1 of 4 ~ 20mA through electronic analog swtich 214, selected sensor carries out becoming more satisfactory direct current signal after Isolation circuit 216 is processed through linear optical coupling 215 successively, through amplifying circuit 217 amplitude transformation is become the manageable signal of AD passage of microcontroller 203 again.Using such method, microcontroller 203 can be realized the processing of 7 road analog sensor C1 by switching in turn electronic analog swtich 214, directly send into counting channel or the digital-quantity input interface of microcontroller 203 after digital sensors C2 isolates through optical coupling isolation circuit 202.After microcontroller 203 is processed through these interfaces, calculate the parameter of physical quantity that sensor is surveyed.
Referring to Fig. 5, the control method of field control case 2 of the present utility model may further comprise the steps:
Step 4, CPU reads buffer area, and the data in the buffer area are sent on communication 485 buses, judges current whether the transmission successfully, if do not send successfully, then repeating step 4, send successfully then to turn back to step 3 and repeat.
Referring to Fig. 4, display terminal assembly 3 can be installed under the coal mine as required, also can be installed in abovegroundly, and being installed to the down-hole can also can closely use in long-range use; The display terminal assembly is connected to the communication interface of field control case by optical fiber.Display terminal assembly 3 comprises intrinsic safety communication board 30; explosion-suppression and intrinsic safety 12V power supply 31; PC104 mainboard 32; memory module; show and control module; memory module comprises hard disk 33; flash memory 34; demonstration and control module comprise USB intrinsic safety keyboard and mouse 35; display screen 36; intrinsic safety communication board 30 comprises intrinsic safe power circuit 301; USB buffer circuit 309; communication processing circuit 310; intrinsic safe power circuit 301 is by isolated buck circuit 302; dual over-voltage over-current protection circuit 303 series connection consist of; USB buffer circuit 309 comprises a USB buffer circuit 304; the 2nd USB buffer circuit 305; communication processing circuit 310 is by communication level change-over circuit 306; transmission control module 307; optoelectronic transceiver integrated module 308 is followed in series to form; explosion-suppression and intrinsic safety 12V power supply 31 respectively with PC104 mainboard 32; intrinsic safe power circuit 301 connects; the isolated buck circuit 302 of intrinsic safe power circuit 301 is connected with USB buffer circuit 309; dual over-voltage over-current protection circuit 303 respectively with USB buffer circuit 309; communication processing circuit 310 connects; communication processing circuit 310 1 ends are connected with PC104 mainboard 32; the other end is connected with field control case 2; USB buffer circuit 309 is connected with PC104 mainboard 32; PC104 mainboard 32 respectively with display screen 36; hard disk 33 connects; the one USB buffer circuit 304 is connected with the 2nd USB buffer circuit 305, and the 2nd USB buffer circuit 305 is connected with flash memory 34.
PC104 disposes 1 serial ports, 2 USB interfaces, Ultra ata interface, VGA interface; 2 USB interfaces become respectively the USB interface of isolation through a USB buffer circuit 304 and the 2nd USB buffer circuit 305, one of them is that USB intrinsic safety keyboard and mouse 35 uses, another is that intrinsic safety flash memory 34 uses, the VGA interface offers LCDs and uses, all parameters all can be by software interface in the liquid crystal display screen display, hard disk is connected on the PC104 by the Ultra ata interface, explosion-suppression and intrinsic safety 12V power supply 31 on the intrinsic safety communication board 30 provides the input of power supply intrinsic safety 12V power supply for down-hole/aboveground long-range display terminal 3, this power supply becomes the 5V power supply of isolation through isolated buck circuit 302, become the output intrinsic safety 5V of intrinsic safety electric source 301 through two-stage over-voltage and over-current circuit 303 again.The communication processing circuit 310 that is connected to PC104 converts the optical signal that receives to the signal of telecommunication by optoelectronic transceiver integrated module 308, communication data is carried out parallel-serial conversion and control is reduced into the RS485 signal through transmission control module 307 again, convert the RS485 signal to RS232 level that PC104 can identify through communication level change-over circuit 306 again.
Referring to Fig. 6, the control method of display terminal of the present utility model may further comprise the steps:
Step 4, whether according to sensor ID and parameter, analyzing each sensor has fault, then produce failure code if any fault, provide failure cause and point out handling failure, if there is not fault, then software is preserved each sensor parameters and failure code and is write the notepad file, reads for flash memory;
Step 5 is upgraded each parameter and failure code in the display box of software interface;
Step 6, the complete rear wait next frame data of this communication process, and inquire whether need to withdraw from, withdraw from as not needing, then program begins to repeat from step 2, and if need to withdraw from, then EP (end of program).
Described transmission network adopts optical-fiber network, and transmission medium is the 1310nm single-mode fiber, and communication mode adopts broadcast type, does not add the relay transmission distance and can reach 20Km, and each optical fiber interface all adopts the FC flange to connect.
The data format of communication of the present utility model is as follows: 2 bytes of head are first symbols, if these 2 bytes are identical, then the data flow of explanation communication has been about to begin, and the back prepares to receive, otherwise abandons; The 3rd byte is address byte, here owing to adopting broadcast mode, so all display terminals can receive, if only need the independent demonstration of certain terminal also can be arranged to concrete address; The 4th ~ 33 byte is sensor ID and parameter, owing to only having 10 sensors, sensor ID can be arranged to 1 ~ 10, in these 30 bytes, first byte is that ID is 1 the corresponding feed pressure of sensor, then following closely be its parameter value, afterwards the like each sensor take 3 bytes, the 34th byte is the CRC check code, to arrange for the reliability that strengthens communication, last 2 characters are end mark, and CRC check thought just that correctly data receiver is correct when program only received existing first symbol and again end mark arranged.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any simple modification, equivalent variations or modification that every foundation technical spirit of the present utility model is done above embodiment all must be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. underground drill rig multiple terminals parameter monitoring system under the coal mine, it is characterized in that: comprise sensor cluster (1), field control case (2), display terminal assembly (3), described sensor cluster (1) is arranged on the underground drill rig fuselage, field control case (2) is arranged on the underground drill rig fuselage, one side is connected with sensor cluster (1), opposite side is connected with display terminal assembly (3), becomes multipath light signal behind the Electric signal processing that field control case (2) collects sensor cluster (1) and is transferred to display terminal assembly (3).
2. underground drill rig multiple terminals parameter monitoring system under a kind of coal mine according to claim 1 is characterized in that: described sensor cluster (1) employing analog sensor C1 and digital sensors C2.
3. underground drill rig multiple terminals parameter monitoring system under a kind of coal mine according to claim 1 and 2, it is characterized in that: the sensor of described sensor cluster (1) is all selected the intrinsic safety type sensor, and the output interface of analog sensor C1 is 4 ~ 20mA signal.
4. underground drill rig multiple terminals parameter monitoring system under a kind of coal mine according to claim 3 is characterized in that: the analog sensor C1 of described sensor cluster (1) comprises feed pressure sensor (10), rises and pull out pressure sensor (11), main pump pressure sensor (12), auxiliary pump pressure sensor (13), return pressure sensor (14), oil tank liquid level sensor (15), oil liquid temperature sensor (16); Described digital sensors C2 comprises revolution speed probe (17).
5. underground drill rig multiple terminals parameter monitoring system under a kind of coal mine according to claim 4; it is characterized in that: described field control case (2) comprises 12V power supply (20); master board (21) and optical branching device (22); all place in the mine explosion-suppression casing with essential safe type input/output signal interface of sealing; master board (21) comprises intrinsic safe power circuit (200); analog signals modulate circuit (201); photoelectric isolating circuit (202); microcontroller (203); memory circuit (204); telecommunication circuit (205); intrinsic safe power circuit (200) is by isolated buck circuit (211); dual over-voltage over-current protection circuit (212); step-down and holding circuit (213) are followed in series to form; analog signals modulate circuit (201) is by electronic analog switch circuit (214); linear optical coupling (215); filter circuit (216); amplifying circuit (217) is followed in series to form; telecommunication circuit (205) is by communication level change-over circuit (218); transmission control module (219); optoelectronic transceiver integrated module (220) is followed in series to form; a road of 12V power supply (20) is connected with intrinsic safe power circuit (200); in addition two-way respectively with analog signals modulate circuit (201); photoelectric isolating circuit (202) connects; intrinsic safe power circuit (200) respectively with analog signals modulate circuit (201); photoelectric isolating circuit (202); microcontroller (203); memory circuit (204); telecommunication circuit (205) connects; microcontroller (203) respectively with analog signals modulate circuit (201); photoelectric isolating circuit (202); memory circuit (204); telecommunication circuit (205) connects; optical branching device (22) one ends are connected with telecommunication circuit (205), and the other end is connected with display terminal assembly (3).
6. underground drill rig multiple terminals parameter monitoring system under a kind of coal mine according to claim 5 is characterized in that: the STM32F103ZET6 type ARM single-chip microcomputer that described microcontroller (203) adopts ST Microelectronics to produce.
7. underground drill rig multiple terminals parameter monitoring system under a kind of coal mine according to claim 6; it is characterized in that: described display terminal assembly (3) comprises intrinsic safety communication board (30); explosion-suppression and intrinsic safety 12V power supply (31); PC104 mainboard (32); memory module; show and control module; memory module comprises hard disk (33); flash memory (34); demonstration and control module comprise USB intrinsic safety keyboard and mouse (35); display screen (36); intrinsic safety communication board (30) comprises intrinsic safe power circuit (301); USB buffer circuit (309); communication processing circuit (310); intrinsic safe power circuit (301) is by isolated buck circuit (302); dual over-voltage over-current protection circuit (303) series connection consists of; USB buffer circuit (309) comprises a USB buffer circuit (304); the 2nd USB buffer circuit (305); communication processing circuit (310) is by communication level change-over circuit (306); transmission control module (307); optoelectronic transceiver integrated module (308) is followed in series to form; explosion-suppression and intrinsic safety 12V power supply (31) respectively with PC104 mainboard (32); intrinsic safe power circuit (301) connects; the isolated buck circuit (302) of intrinsic safe power circuit (301) is connected with USB buffer circuit (309); dual over-voltage over-current protection circuit (303) respectively with USB buffer circuit (309); communication processing circuit (310) connects; communication processing circuit (310) one ends are connected with PC104 mainboard (32); the other end is connected with field control case (2); USB buffer circuit (309) is connected with PC104 mainboard (32); PC104 mainboard (32) respectively with display screen (36); hard disk (33) connects; the one USB buffer circuit (304) is connected with the 2nd USB buffer circuit (305), and the 2nd USB buffer circuit (305) is connected with flash memory (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266748 CN202645534U (en) | 2012-06-07 | 2012-06-07 | Multi-terminal parameter monitoring system for underground tunnel drilling machine of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220266748 CN202645534U (en) | 2012-06-07 | 2012-06-07 | Multi-terminal parameter monitoring system for underground tunnel drilling machine of coal mine |
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| CN202645534U true CN202645534U (en) | 2013-01-02 |
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| CN 201220266748 Withdrawn - After Issue CN202645534U (en) | 2012-06-07 | 2012-06-07 | Multi-terminal parameter monitoring system for underground tunnel drilling machine of coal mine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720478A (en) * | 2012-06-07 | 2012-10-10 | 中煤科工集团西安研究院 | Multi-terminal parameter monitoring system for coal mine underground tunnel drilling rig |
| CN103470243A (en) * | 2013-09-26 | 2013-12-25 | 中煤科工集团重庆研究院有限公司 | Drilling machine ground monitoring system |
| CN113356831A (en) * | 2021-06-02 | 2021-09-07 | 煤炭科学技术研究院有限公司 | Method and device for measuring coal bed gas outburst parameters, electronic equipment and storage medium |
-
2012
- 2012-06-07 CN CN 201220266748 patent/CN202645534U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720478A (en) * | 2012-06-07 | 2012-10-10 | 中煤科工集团西安研究院 | Multi-terminal parameter monitoring system for coal mine underground tunnel drilling rig |
| CN102720478B (en) * | 2012-06-07 | 2015-04-01 | 中煤科工集团西安研究院 | Multi-terminal parameter monitoring system for coal mine underground tunnel drilling rig |
| CN103470243A (en) * | 2013-09-26 | 2013-12-25 | 中煤科工集团重庆研究院有限公司 | Drilling machine ground monitoring system |
| CN103470243B (en) * | 2013-09-26 | 2016-02-24 | 中煤科工集团重庆研究院有限公司 | A kind of rig ground monitoring system |
| CN113356831A (en) * | 2021-06-02 | 2021-09-07 | 煤炭科学技术研究院有限公司 | Method and device for measuring coal bed gas outburst parameters, electronic equipment and storage medium |
| CN113356831B (en) * | 2021-06-02 | 2023-05-12 | 煤炭科学技术研究院有限公司 | Coal seam gas outburst parameter determination method and device, electronic equipment and storage medium |
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| C56 | Change in the name or address of the patentee |
Owner name: XI AN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY Free format text: FORMER NAME: CHINA COAL TECHNOLOGY + ENGINEERING GROUP XI AN RESEARCH INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 710075 Xi'an high tech Industrial Development Zone, Shaanxi, Jin Jin Road, No. 82 Patentee after: Xi'an Research Institute, CCTEG Address before: 710075 Xi'an high tech Industrial Development Zone, Shaanxi, Jin Jin Road, No. 82 Patentee before: China Coal Technology & Engineering Group Xi'an Research Institute |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20150401 |
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| RGAV | Abandon patent right to avoid regrant |