CN111255520A - Plug-and-play method for coal mine safety monitoring system sensor - Google Patents
Plug-and-play method for coal mine safety monitoring system sensor Download PDFInfo
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- CN111255520A CN111255520A CN202010145274.5A CN202010145274A CN111255520A CN 111255520 A CN111255520 A CN 111255520A CN 202010145274 A CN202010145274 A CN 202010145274A CN 111255520 A CN111255520 A CN 111255520A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 62
- 239000003245 coal Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 abstract description 16
- 238000004891 communication Methods 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
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Abstract
The invention provides a plug-and-play method of a coal mine safety monitoring system sensor, which comprises the following steps: after the sensor is accessed into the coal mine safety monitoring system, the sensor actively sends a power-on notice to the substation, wherein the content comprises the type code, the address number and the chip configuration code of the sensor; the substation judges whether the received power-on notification is consistent with the information in the address number corresponding to the substation subordinate bus address equipment list or not according to the address number; if the alarm point and the power-off logic relation of the sensor are configured by ground operators, the sensor starts to upload real-time data according to a fixed uploading frequency; and if the frequency of the real-time data is consistent with the fixed uploading frequency, the sensor directly starts to upload the real-time data according to the fixed uploading frequency. The invention greatly improves the installation efficiency of the sensor and solves the problems of false alarm, error power failure and the like of the sensor caused by complex communication in the existing installation and debugging process.
Description
Technical Field
The invention relates to the technical field of coal mine safety monitoring, in particular to a plug-and-play method of a coal mine safety monitoring system sensor.
Background
At present, in coal mine safety monitoring and controlling system, except the installation, still need a large amount of debugging, set up work, just can make a sensor accomplish normal environmental monitoring function, specifically include: 1) before installing the sensors in a well, technicians need to configure parameters such as installation positions, numbers, measuring ranges, substation port addresses of connected safety monitoring systems, alarm thresholds, power-off thresholds and power-on thresholds of the sensors, substations where actuators (alarms) are located, port addresses and the like on monitoring system central station software; 2) the technical personnel give the configuration information of the sensor to be installed to underground installation personnel or personally go into the well for installation; 3) an installer (or a technician) correctly installs the sensor to the corresponding substation and the corresponding port underground according to the configuration information; 4) the installer (or technician) and the ground operator confirm that the communication is normal, the data is accurate, the actuator acts normally, and the like.
The coal mine safety monitoring system is used as the most important hand grip for coal mine safety supervision and management, the specialty is strong, the number and types of sensors are large, the number of the sensors configured in large and medium-sized coal mines exceeds hundreds, and the installation of all the sensors can be completed through the operation steps. In the actual installation process, due to the difference of the technical levels of underground personnel of a coal mine, a series of problems such as installation errors and the like can be caused, sometimes, the sensor can not work normally or even be damaged, false alarm and power failure can be caused by configuration errors, and in severe cases, the underground safe production can be even influenced. Therefore, the coal mine safety monitoring system has the advantages of more convenience in software operation of the central station and easiness in sensor installation, and is more suitable for practical application of coal mines.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a plug-and-play method for a coal mine safety monitoring system sensor.
The technical scheme adopted by the invention for realizing the purpose is as follows: a plug and play method for a sensor of a coal mine safety monitoring system comprises a main station and a plurality of substations connected with the main station, and the method comprises the following steps:
the storage unit of the substation stores sensor information of all sensors in the coal mine safety monitoring system and a substation lower-level bus address equipment list; the database of the central station stores the sensor information of all the sensors in the coal mine safety monitoring system;
after the sensor is accessed into the coal mine safety monitoring system, the sensor actively sends a power-on notice to the substation, wherein the content comprises the type code, the address number and the chip configuration code of the sensor;
the substation receives the power-on notification sent by the sensor, and judges whether the received power-on notification is consistent with information in an address number corresponding to a substation lower-level bus address equipment list or not according to the address number;
if the alarm point and the power-off logic relation of the sensor are configured by ground operators, the sensor starts to upload real-time data according to a fixed uploading frequency;
and if the frequency of the real-time data is consistent with the fixed uploading frequency, the sensor directly starts to upload the real-time data according to the fixed uploading frequency.
The sensor information includes type code, name, model, unit and range.
The type code is a unique code that the sensor class has.
The substation subordinate bus address equipment list comprises address numbers, sensor type codes, sensor states, chip configuration codes, alarm points and power-off logic relations.
After the sensor is accessed into the coal mine safety monitoring system, the sensor actively sends a power-on notice to the substation, and the method specifically comprises the following steps:
and the sensor sets the time delay of sending the power-on notice after starting up, and then sends the power-on notice to the substation after the time delay.
The delay time of the delay is 2s + address number multiplied by 50 ms.
The invention has the following advantages and beneficial effects:
1. the underground installation personnel only need to connect the sensor to the underground safety monitoring system substation, the sensor actively uploads the sensor type and address, the safety monitoring system automatically identifies the name, the model, the measuring range and the unit information of the sensor according to the sensor type, and pops up the power-on notification prompt on the safety monitoring system central station, the ground operation personnel only need to simply configure the alarm point of the sensor and the power-off logic relationship, and the sensor can be accessed to the safety monitoring system to normally operate.
2. After the configured sensor is inserted into the safety monitoring system substation, the safety monitoring system substation can automatically identify, and the sensor directly and normally operates.
3. The method has simple configuration and debugging, reduces the workload of installation and debugging, greatly improves the installation efficiency of the sensor, reduces the technical requirements on field installation and maintenance personnel, and solves the problems of false alarm, false power failure and the like of the sensor caused by complex communication in the existing installation and debugging process.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of an orderly active upload of a sensor of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The coal mine safety monitoring system comprises a central station and a substation, wherein the central station is a safety monitoring system central station, and the substation is a safety monitoring system substation. The invention needs the mutual cooperation of the safety monitoring system central station, the safety monitoring system substation and the sensor. Each sensor has a unique type code, for example, 0-4% low concentration methane sensor code is 0x0A, 0-100% laser methane sensor code is 0x0B, and 0-100 ℃ temperature sensor code is 0x 0C. The internal storage unit of the safety monitoring system substation stores the types, names, models, units and ranges of all sensors in the coal mine safety monitoring system and a subordinate bus address equipment list of the safety monitoring system substation. The database of the central station of the safety monitoring system stores all sensor types, names, models, units and measuring range ranges in the coal mine safety monitoring system.
As shown in fig. 1, a plug and play method for a sensor of a coal mine safety monitoring system specifically realizes a CAN bus mode as an example:
the safety monitoring system substation is connected with the sensor through a CAN bus interface; the safety monitoring system central station is connected with the safety monitoring system substations in an optical fiber or network port mode; after the sensor is accessed to the substation of the safety monitoring system, the sensor actively uploads power-on notification information, wherein the power-on notification comprises the type, the address and the chip configuration code of the sensor. And the safety monitoring system substation compares the received information with the subordinate bus address equipment list information of the safety monitoring system substation, and if the information is inconsistent, the sensor is a new sensor which is not configured. The safety monitoring system substation sends the sensor power-on notification information to the safety monitoring system central station, and meanwhile, the sensor information contained in the power-on notification information is stored in a safety monitoring system substation lower-level bus address equipment list. And popping up a power-on notification window by the safety monitoring system central station according to the sensor type code in the power-on notification and the sensor information corresponding to the type stored in the database, wherein the ground operator can add the popped up newly-accessed plug-and-play sensor in the coal mine safety monitoring system. If the information is consistent, the sensor is configured, and the sensor directly starts to operate.
The sensor automatic identification and plug-and-play method is suitable for the CAN bus communication mode, and other digital communication modes are also suitable for LonWorks.
As shown in fig. 2, in order to avoid bus data congestion, a data frame loss occurs. The sensors are orderly and actively uploaded, the sensors send power-on notification delay after the sensors are started, and the delay time is 2s + the address number multiplied by 50 ms.
According to the plug-and-play method of the sensor of the coal mine safety monitoring system, an underground installer only needs to connect the sensor to the substation of the underground safety monitoring system, the sensor actively uploads the type and the address of the sensor, the system automatically identifies the name, the model, the range and the unit information of the sensor according to the type of the sensor, and pops up a power-on notification prompt on a central station of the safety monitoring system, and a ground operator only needs to simply configure the alarm point and the power-off logic relationship of the sensor, so that the sensor can be accessed into the system to start running. After the configured sensor is inserted into the safety monitoring system substation, the safety monitoring system substation can automatically identify and the sensor directly starts to operate. The method is simple in configuration and debugging, reduces the workload of installation and debugging, greatly improves the installation efficiency of the sensor, reduces the technical requirements on field use and maintenance personnel, and solves the problems of false alarm of the sensor and the like caused by complex communication in the existing use and debugging process.
It should be noted that the method of the invention can also be used for automatic identification and plug-and-play of underground power supplies, audible and visual alarms, circuit breakers and actuator equipment.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A plug-and-play method for a sensor of a coal mine safety monitoring system is characterized in that the coal mine safety monitoring system comprises a main station and a plurality of substations connected with the main station, and the method comprises the following steps:
the storage unit of the substation stores sensor information of all sensors in the coal mine safety monitoring system and a substation lower-level bus address equipment list; the database of the central station stores the sensor information of all the sensors in the coal mine safety monitoring system;
after the sensor is accessed into the coal mine safety monitoring system, the sensor actively sends a power-on notice to the substation, wherein the content comprises the type code, the address number and the chip configuration code of the sensor;
the substation receives the power-on notification sent by the sensor, and judges whether the received power-on notification is consistent with information in an address number corresponding to a substation lower-level bus address equipment list or not according to the address number;
if the alarm point and the power-off logic relation of the sensor are configured by ground operators, the sensor starts to upload real-time data according to a fixed uploading frequency;
and if the frequency of the real-time data is consistent with the fixed uploading frequency, the sensor directly starts to upload the real-time data according to the fixed uploading frequency.
2. The plug and play method of coal mine safety monitoring system sensors of claim 1, wherein the sensor information includes type code, name, model, unit and range.
3. The plug and play method of the coal mine safety monitoring system sensor as recited in claim 2, wherein the type code is a unique code of the sensor type.
4. The plug-and-play method of the sensors of the coal mine safety monitoring system according to claim 1, wherein the substation subordinate bus address device list comprises address numbers, sensor type codes, sensor states, chip configuration codes, alarm points and power-off logic relations.
5. The plug-and-play method of the sensor of the coal mine safety monitoring system according to claim 1, wherein the sensor actively sends a power-on notification to the substation after accessing the coal mine safety monitoring system, specifically:
and the sensor sets the time delay of sending the power-on notice after starting up, and then sends the power-on notice to the substation after the time delay.
6. The plug-and-play method for the coal mine safety monitoring system sensor as recited in claim 5, wherein the delay time of the delay time is 2s + address number x 50 ms.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113902068A (en) * | 2021-09-17 | 2022-01-07 | 国能网信科技(北京)有限公司 | Coal mine underground sensor deployment method and device, storage medium and electronic equipment |
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Address after: 113122 No.11 Binhe Road, Shenfu demonstration area, Fushun City, Liaoning Province Applicant after: Shenyang Research Institute Co.,Ltd. Address before: 113122 No. 11 Binhe Road, Fushun Economic Development Zone, Fushun City, Liaoning Province Applicant before: CCTEG (China Coal Technology and Engineering Group Corp.) |
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