CN106059859A - System for monitoring drilling parameters used for drilling wellsite - Google Patents
System for monitoring drilling parameters used for drilling wellsite Download PDFInfo
- Publication number
- CN106059859A CN106059859A CN201610486453.9A CN201610486453A CN106059859A CN 106059859 A CN106059859 A CN 106059859A CN 201610486453 A CN201610486453 A CN 201610486453A CN 106059859 A CN106059859 A CN 106059859A
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- Prior art keywords
- drilling
- sensor
- drilling parameter
- module
- well site
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a system for monitoring drilling parameters used for a drilling wellsite. The system comprises a wireless sensor network node, a coordinator node, a driller display and a monitoring computer, wherein the wireless sensor network node is used for collecting the drilling parameters; the coordinator node is used for managing a wireless sensor network and comprises a USB (Universal Serial Bus) interface, and the USB interface is inserted into the driller display and is used for transmitting the drilling parameters to the driller display; the driller display is used for displaying the drilling parameters; and the monitoring computer is used for carrying out simultaneous monitoring, data analysis and data storage on the drilling parameters. The system for monitoring the drilling parameters adopts a wireless way to carry out data transmission, so that the installation can be flexibly and quickly carried out; the coordinator node adopts a form of the USB interface and is plug and play and convenient to carry; and the driller display and the monitoring computer adopt a wifi wireless transmission way, so that the space is saved to a greater extent.
Description
Technical field
The present invention relates to drilling well site monitoring system, particularly relate to a kind of drilling parameter monitor system for drilling well site
System.
Background technology
China is the big country that a hydrocarbon storage amount is enriched very much, has large number of oil gas field and production of hydrocarbons enterprise
Industry.In the production activity of oil gas field, the working condition of drilling well site and affiliated well head and equipment is closely monitored it is
One important research direction of the oil gas field production automation, be also realize oil gas field production capacity upgrading and guarantee safe production main
One of factor.Drilling well site utilizes various sensor to carry out the collecting work of data at present, and wired data transfer is widely used
Mode carrys out the Automatic monitoring systems in core drilling well site, realizes the biography of data and image for example with fiber optic communications mode
Defeated, by installing remote data acquisition controller (RTU) at every mouthful of individual well, connect with optical cable and make itself and upper machine communication, these
Cable not only makes the narrowest and small well site seem more in disorder, and be vulnerable to personnel in work progress be not intended to broken
Bad, and laying or aerial cable are restricted by equipment, facility, whole installation wiring process is at full stretch and complicated, directly
Affect drillng operation, make troubles to later maintenance.Specifically, prior art has following limitation and a shortcoming:
(1) well site working range is excessive or more complicated landform, can face the difficulty in the construction of cable network laying project and
Various emergency case；
(2) laying of distance cable and the support for overhead transmission line can cause certain electromagnetic pollution and environmental disruption,
Improve construction costs；
(3) well site working environment is more complicated, and easily to fixing cable, equipment and staff cause accidental damage；
(4), in the production activity in well site, various engineering equipments and personnel status are continually changing, the fixed network infrastructure later stage
Safeguard extremely difficult.
Due to above-mentioned circumscribed existence, the technical solution of existing drilling well site monitoring system is unfavorable for advancing well site
The production automation and the lifting of promotion production efficiency.
At present, wireless sensor network belongs to the distributed random network of a new generation, and it is to be had nothing by a number of
Line communication function, carries microsensor, and the unformed random network that the node with stronger computing capability is formed.Nothing
Line sensor network technology is warm microelectric technique, distributed information processing, modern network and wireless communication technology, embedding
The advanced technologies such as embedded system design.Wireless sensor network is in Industry Control, environmental monitoring, medical monitoring, vehicle monitoring etc.
There has been certain application achievements in field, but does not also have reality for electromagnetic interference with blocking the most serious drilling well site of interference
Application, therefore, being applied by wireless sensor network in drilling information technical field is the study hotspot of related researcher.
Summary of the invention
The technical problem to be solved is how to overcome existing drilling well site monitoring system to use cable
Well site is caused to connect up in disorder, to be vulnerable to destruction, later maintenance inconvenience etc. defect.
In order to solve above-mentioned technical problem, the invention provides a kind of drilling parameter monitor system for drilling well site,
Including wireless sensor network node, coordinator node, driller's display and monitoring computer, described wireless sensor network saves
Point has one or more, and is arranged on drilling well site monitored area and wellhead equipment, is used for gathering drilling parameter, and by institute
Stating drilling parameter and be transferred to coordinator node by short-distance wireless communication mode, wherein, the data of described drilling parameter are number
Word signal；
Described coordinator node is used for managing wireless sensing device network, and described coordinator node includes that USB interface and USB turn
CAN module, described USB interface is plugged on driller's display, and for described drilling parameter is transferred to driller's display；Institute
State driller's display for display well parameter, and be transferred to monitor computer, institute by communication by drilling parameter
State monitoring computer for drilling parameter being carried out synchronous monitoring, data analysis and data storage.
Further, described wireless sensor network node includes sensor assembly and power module, described sensor die
Block is used for gathering drilling parameter, and described power module is for powering for sensor assembly；
Described power module includes that housing, dual power supply, chip and sensor interface, described dual power supply and chip are arranged on shell
Internal, described sensor interface is arranged on housing exterior walls；
Described chip includes outside power management components, first microprocessor, a Zigbee wireless communication module and first
Enclosing circuit module, described power management components is used for controlling Dual-power automatic switching, and described first microprocessor is for described
Drilling parameter processes, and the drilling parameter after processing is transferred to coordinator by a Zigbee wireless communication module and saves
Point, and for arranging mode of operation, hibernation pattern and the dream state model of a described Zigbee wireless communication module, described short
Distance wireless communication mode is Zigbee communication, and described first peripheral circuit module is used for showing described first
The network instruction state of Zigbee wireless communication module and reception packet instruction state.
Further, described sensor assembly includes one or more sensor, and the kind of described sensor is according to monitoring
Parameter selects.
Further, described sensor is pressure transducer, hook set sensor, drawworks sensor, pump pressure sensor, drilling well
One or more in liquid liquid level and flow transducer, gas sensor.
Further, described coordinator node also includes the second microprocessor, the 2nd Zigbee wireless communication module and electricity
Source, described second microprocessor is used for the sleep controlling the equipment in described sensor node and wakes up up, by described drilling parameter
It is transferred to driller's display, and for arranging mode of operation, hibernation pattern and the dream of described 2nd Zigbee wireless communication module
State model, described 2nd Zigbee wireless communication module is for receiving the brill of a described Zigbee wireless communication module transmission
Well parameter.
Further, described coordinator node also includes that the second peripheral circuit module, described second peripheral circuit module are used
In showing the network instruction state of described 2nd Zigbee wireless communication module and receiving packet instruction state.
Further, universal asynchronous by first between described 2nd Zigbee wireless communication module and the second microprocessor
Receiving-transmitting transmitter connects.
Further, described second microprocessor and USB turn CAN module by the second universal asynchronous receiving-transmitting transmitter even
Connect.
Further, described system also includes that one or more router, described router are arranged on wireless sensor network
Between network node and coordinator node, for receiving the drilling parameter that sensor assembly gathers, and described drilling parameter is forwarded
To coordinator node.
Further, the communication between described driller's display and monitoring computer is wifi side wireless communication
Formula.
The drilling parameter monitor system for drilling well site of the present invention, has the advantages that
1, the drilling parameter monitor system of the application uses wireless mode to carry out data transmission, it is possible to quickly pacify flexibly
Dress, coordinator node employing USB interface form, plug and play, and easy to carry, driller's display and monitoring computer pass through
Wifi wireless transmission method, saves space to a greater degree, and later maintenance is convenient, and greatly reduces construction costs, improves
Working effect.
2, the wireless sensor network node of the application uses dual power supply pattern, and the flying power of battery greatly carries
Rise, and in sensor node equipment power consumption maximum be exactly Zigbee radio communication, Zigbee radio communication mold in the application
Block is changed between mode of operation, hibernation pattern and dream state model, it then follows the principle of low-power consumption, and power consumption is few.
3, the coordinator node of the application uses Aviation Connector to transmit mouth as data, possesses transmission sensor signal, generation
The functions such as code download, interface is simple, powerful.
4, the application system there are components and parts and hardware device are satisfied by-40 DEG C～the operating temperature of 80 DEG C more, and possess
Certain explosion-proof, dust-proof, waterproof, aseismatic design, the field usage that applicable environment is the most severe.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of the drilling parameter monitor system for drilling well site of the application；
Fig. 2 is the structured flowchart of the wireless sensor network node of the application；
Fig. 3 is the structured flowchart of the coordinator node of the application；
Fig. 4 is the wireless sensor network node of the application.
In figure: 1-wireless sensor network node, 11-dual power supply, 111-battery, 1111-conductive contact, 1112-projection,
112-power storehouse, 113-antenna, 114-display lamp, 12-chip, 121-power management components, 122-first microprocessor, 123-
Oneth Zigbee wireless communication module, 124-the first peripheral circuit module, 13-sensor interface, 14-housing, 2-coordinator saves
Point, 21-power supply, 22-the 2nd Zigbee wireless communication module, 23-the second peripheral circuit module, 24-the second microprocessor, 25-
USB turns CAN module, 3-driller's display, and 4-monitors computer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, the invention provides a kind of drilling parameter monitor system for drilling well site, including wireless sensing
Device network node 1, coordinator node 2, driller's display 3 and monitoring computer 4, described wireless sensor network node 1 has
One or more, and be arranged on drilling well site monitored area and wellhead equipment, it is used for gathering drilling parameter, and by described drilling well
Parameter is transferred to coordinator node 2 by short-distance wireless communication mode, and wherein, the data of described drilling parameter are numeral letter
Number；
When wireless sensor network node has multiple, the kind of sensor of its correspondence is different, and by sensing
Device node 1, sensor node 2 etc. composition sensor node in wireless network；
Described coordinator node 2 is for managing wireless sensing device network, and described coordinator node 2 includes USB interface and USB
Turning CAN module 25, described USB interface is plugged on driller's display 3, and shows for described drilling parameter is transferred to driller
Device 3；Described driller's display 3 is for display well parameter, and by communication, drilling parameter is transferred to monitoring meter
Calculation machine 4, described monitoring computer 4 for carrying out synchronous monitoring, data analysis and data storage to drilling parameter.
As in figure 2 it is shown, described wireless sensor network node 1 includes sensor assembly and power module, described sensor
Module is used for gathering drilling parameter, and described power module is for powering for sensor assembly；
Described power module includes housing 14, dual power supply 11, chip 12 and sensor interface 13, described dual power supply 11 and core
Sheet 12 is arranged in housing 14, and described sensor interface 13 is arranged on housing 14 outer wall；
Described chip 12 includes power management components 121, first microprocessor the 122, the oneth Zigbee wireless communication module
123 and first peripheral circuit module 124, described power management components 121 is used for controlling dual power supply 11 and automatically switches, and described first
Microprocessor 122 is for processing described drilling parameter, and the drilling parameter after processing is by a Zigbee channel radio
Letter module 123 is transferred to coordinator node 2, and for arrange a described Zigbee wireless communication module 123 mode of operation,
Hibernation pattern and dream state model, described short-distance wireless communication mode is Zigbee communication, and described first is peripheral
Circuit module 124 refers to for the network instruction state and reception packet showing a described Zigbee wireless communication module 123
Show state.
Wherein, as shown in Figure 4, dual power supply 11 is made up of two pieces of batteries 111, and battery 111 is designed with charging inlet and power supply
Interface, the 2pin joint that charging inlet uses, plug and pull, convenient use, power supply interface designs for spring contact, conveniently makes
With.Described shell has the power storehouse 112 for accommodating described battery 111, and described power storehouse 112 has warehouse and Cang Gai, institute
Being provided with conductive contact 1111 and projection 1112 in stating warehouse, described dual power supply 11 has power supply interface and shift knob, described
When battery 111 is arranged in power storehouse 112, described power supply interface contacts with described conductive contact 1111, described projection 1112
Extrude and open described shift knob.Described shift knob is ship type shift knob, described ship type shift knob have OFF end and
ON end, when described battery 111 is arranged in power storehouse 112, described projection 1112 extrudes the ON end of ship type shift knob, institute
Stating shift knob can also be for light touch switch buttons, and when described battery 111 is arranged in power storehouse 112, described projection 1112 squeezes
Described light touch switch buttons, described shell is pressed to be provided with antenna 113 and for indicating the display lamp 114 of battery 111 electricity, described
Display lamp 114 is connected with described power management module.
Described sensor assembly includes one or more sensor, and the kind of described sensor is selected according to monitoring parameter
Select.
Described sensor be pressure transducer, hook set sensor, pump pressure sensor, drilling liquid level and flow transducer,
One or more in gas sensor, or other sensors, the invention is not restricted to these several sensors in embodiment, can
To select according to monitoring needs.
As it is shown on figure 3, described coordinator node 2 also includes the second microprocessor the 24, the 2nd Zigbee wireless communication module
22 and power supply 21, described second microprocessor 24 is for controlling the sleep of the equipment in described sensor node and waking up up, by institute
State drilling parameter and be transferred to driller's display 3, and for arrange described 2nd Zigbee wireless communication module 22 mode of operation,
Hibernation pattern and dream state model, described 2nd Zigbee wireless communication module 22 is used for receiving a described Zigbee channel radio
The drilling parameter of letter module 123 transmission.
Described coordinator node 2 also includes that the second peripheral circuit module 23, described second peripheral circuit module 23 are used for showing
Show the network instruction state of described 2nd Zigbee wireless communication module 22 and receive packet instruction state.
By the first universal asynchronous receiving-transmitting between described 2nd Zigbee wireless communication module 22 and the second microprocessor 24
Transmitter connects.
Described second microprocessor 24 is turned CAN module 25 and is connected by the second universal asynchronous receiving-transmitting transmitter with USB.
Described system also includes that one or more router, described router are arranged on wireless sensor network node 1 He
Between coordinator node 2, for receiving the drilling parameter that sensor assembly gathers, and described drilling parameter is forwarded to coordinator
Node 2.
Communication between described driller's display 3 and monitoring computer 4 is wifi communication.
The drilling parameter monitor system for drilling well site of the present invention, has the advantages that
1, the drilling parameter monitor system of the application uses wireless mode to carry out data transmission, it is possible to quickly pacify flexibly
Dress, coordinator node employing USB interface form, plug and play, and easy to carry, driller's display and monitoring computer pass through
Wifi wireless transmission method, saves space to a greater degree, and later maintenance is convenient, and greatly reduces construction costs, improves
Working effect.
2, the wireless sensor network node of the application uses dual power supply pattern, and the flying power of battery greatly carries
Rise, and in sensor node equipment power consumption maximum be exactly Zigbee radio communication, Zigbee radio communication mold in the application
Block is changed between mode of operation, hibernation pattern and dream state model, it then follows the principle of low-power consumption, and power consumption is few.
3, the coordinator node of the application uses Aviation Connector to transmit mouth as data, possesses transmission sensor signal, generation
The functions such as code download, interface is simple, powerful.
4, the application system there are components and parts and hardware device are satisfied by-40 DEG C～the operating temperature of 80 DEG C more, and possess
Certain explosion-proof, dust-proof, waterproof, aseismatic design, the field usage that applicable environment is the most severe.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. the drilling parameter monitor system for drilling well site, it is characterised in that include wireless sensor network node
(1), coordinator node (2), driller's display (3) and monitoring computer (4),
Described wireless sensor network node (1) has one or more, and is arranged on drilling well site monitored area and well head sets
Standby upper, it is used for gathering drilling parameter, and described drilling parameter is transferred to coordinator node by short-distance wireless communication mode
(2), wherein, the data of described drilling parameter are digital signal；
Described coordinator node (2) is used for managing wireless sensing device network, and described coordinator node (2) includes USB interface and USB
Turning CAN module (25), described USB interface is plugged on driller's display (3), and for described drilling parameter is transferred to driller
Display (3)；
Described driller's display (3) is used for display well parameter, and by communication, drilling parameter is transferred to monitoring
Computer (4)；
Described monitoring computer (4) for carrying out synchronous monitoring, data analysis and data storage to drilling parameter.
Drilling parameter monitor system for drilling well site the most according to claim 1, it is characterised in that described wireless biography
Sensor network node (1) includes that sensor assembly and power module, described sensor assembly are used for gathering drilling parameter, described electricity
Source module is for powering for sensor assembly；
Described power module includes housing (14), dual power supply (11), chip (12) and sensor interface (13), described dual power supply
(11) being arranged in housing (14) with chip (12), described sensor interface (13) is arranged on housing (14) outer wall；
Described chip (12) includes power management components (121), first microprocessor (122), a Zigbee radio communication mold
Block (123) and the first peripheral circuit module (124), described power management components (121) is used for controlling dual power supply (11) and automatically cuts
Changing, described first microprocessor (122) is for processing described drilling parameter, and the drilling parameter after processing is by first
Zigbee wireless communication module (123) is transferred to coordinator node (2), and is used for arranging a described Zigbee radio communication mold
The mode of operation of block (123), hibernation pattern and dream state model, described short-distance wireless communication mode is Zigbee radio communication
Mode, described first peripheral circuit module (124) is used for showing that the network of a described Zigbee wireless communication module (123) refers to
Show state and receive packet instruction state；
Described sensor interface (13) is for being connected with sensor assembly.
Drilling parameter monitor system for drilling well site the most according to claim 2, it is characterised in that described sensor
Module includes one or more sensor, and the kind of described sensor selects according to monitoring parameter.
Drilling parameter monitor system for drilling well site the most according to claim 3, it is characterised in that described sensor
For pressure transducer, hook set sensor, drawworks sensor, pump pressure sensor, drilling liquid level and flow transducer, gas sensing
One or more in device.
5. according to the drilling parameter monitor system for drilling well site described in claim 2-4 any one, it is characterised in that
Described coordinator node (2) also includes the second microprocessor (24), the 2nd Zigbee wireless communication module (22) and power supply (21),
Described second microprocessor (24) is used for the sleep controlling the equipment in described sensor node and wakes up up, by described drilling parameter
It is transferred to driller's display (3), and is used for arranging the mode of operation of described 2nd Zigbee wireless communication module (22), hibernation mould
Formula and dream state model, described 2nd Zigbee wireless communication module (22) is used for receiving a described Zigbee radio communication mold
The drilling parameter that block (123) transmits.
Drilling parameter monitor system for drilling well site the most according to claim 5, it is characterised in that described coordinator
Node (2) also includes that the second peripheral circuit module (23), described second peripheral circuit module (23) are used for showing described second
The network instruction state of Zigbee wireless communication module (22) and reception packet instruction state.
Drilling parameter monitor system for drilling well site the most according to claim 6, it is characterised in that described second
It is connected by the first universal asynchronous receiving-transmitting transmitter between Zigbee wireless communication module (22) with the second microprocessor (24).
Drilling parameter monitor system for drilling well site the most according to claim 7, it is characterised in that described second micro-
Processor (24) is turned CAN module (25) and is connected by the second universal asynchronous receiving-transmitting transmitter with USB.
9. according to the drilling parameter monitor system for drilling well site described in claim 6-8 any one, it is characterised in that
Described system also includes that one or more router, described router are arranged on wireless sensor network node (1) and coordinator
Between node (2), for receiving the drilling parameter that sensor assembly gathers, and described drilling parameter is forwarded to coordinator node
(2)。
10., according to the drilling parameter monitor system for drilling well site described in claim 6-8 any one, its feature exists
In, the communication between described driller's display (3) and monitoring computer (4) is wifi communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486453.9A CN106059859A (en) | 2016-06-28 | 2016-06-28 | System for monitoring drilling parameters used for drilling wellsite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486453.9A CN106059859A (en) | 2016-06-28 | 2016-06-28 | System for monitoring drilling parameters used for drilling wellsite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106059859A true CN106059859A (en) | 2016-10-26 |
Family
ID=57166861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486453.9A Withdrawn CN106059859A (en) | 2016-06-28 | 2016-06-28 | System for monitoring drilling parameters used for drilling wellsite |
Country Status (1)
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| CN (1) | CN106059859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370264A (en) * | 2016-11-25 | 2017-02-01 | 罗雷 | Water entering alarm device |
| CN114567379A (en) * | 2022-04-27 | 2022-05-31 | 高勘(广州)技术有限公司 | Monitoring system applied to mine |
-
2016
- 2016-06-28 CN CN201610486453.9A patent/CN106059859A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370264A (en) * | 2016-11-25 | 2017-02-01 | 罗雷 | Water entering alarm device |
| CN114567379A (en) * | 2022-04-27 | 2022-05-31 | 高勘(广州)技术有限公司 | Monitoring system applied to mine |
| CN114567379B (en) * | 2022-04-27 | 2023-04-07 | 高勘(广州)技术有限公司 | Monitoring system applied to mine |
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Application publication date: 20161026 |