CN108761480A - Urban Underground piping lane positioning system - Google Patents
Urban Underground piping lane positioning system Download PDFInfo
- Publication number
- CN108761480A CN108761480A CN201810675664.6A CN201810675664A CN108761480A CN 108761480 A CN108761480 A CN 108761480A CN 201810675664 A CN201810675664 A CN 201810675664A CN 108761480 A CN108761480 A CN 108761480A
- Authority
- CN
- China
- Prior art keywords
- laser
- piping lane
- positioning device
- target
- module
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data
- G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of Urban Underground piping lane positioning systems, including positioning device, server and intelligent terminal, positioning device is communicated by network and server, intelligent terminal is communicated by network and server, multiple positioning devices are mounted on the wall in piping lane, each positioning device connects a signal projector, one positioning device includes a laser emitter, one laser pick-off target and a reflective mirror, the laser that laser emitter is sent out is penetrated on a mirror, after reflective mirror is reflective, laser projection is on laser pick-off target, signal projector is connected with laser pick-off target, laser is transmitted location information on laser pick-off target to signal projector and positioning device information is sent to server.The present invention does not need whether artificial detection piping lane is normal, can detect the piping lane being abnormal in time, time saving and energy saving so as to maintenance personal's on-call maintenance, greatly improves the efficiency, and reduces testing cost, and management is simple and convenient.
Description
Technical field
The invention belongs to Urban Underground piping lane fields, more particularly to the positioning system of monitoring Urban Underground piping lane deformation.
Background technology
City integrated piping lane is exactly underground urban duct synthesis corridor.A tunnel space is built in Urban Underground, it will
Electric power, communication, the various utilities pipelines such as combustion gas, heat supply, plumbing are integrated in one, and are equipped with special access hole, hoisting port and prison
Examining system implements unified planning, Uniting, unification construction and management, is important infrastructure and the " life for ensureing city operations
Order line ".
Since city integrated piping lane is buried in underground, due to various factors（For example earthquake, heavy truck constantly roll）'s
It influences that the displacement of piping lane wall wall can be caused, settles, caves in, eventually become accident.Therefore there is the above problem in piping lane in order to prevent,
Just need worker's timing to be detected piping lane everywhere with dedicated instrument, when finding displacement or being deposited to a certain range into
Row repair.Although whether this mode can detect piping lane normal, prevent piping lane accident from occurring, there is following deficiency
Place：
1, artificial timing is needed to detect, and there are many underground pipe gallery, lead to time-consuming and laborious, inefficiency；
2, artificial detection can not detect that whether piping lane is normal, cannot remind staff to repair in time in time；
3, for a city, underground pipe gallery is numerous, cannot recognize the deformation of piping lane at the first time, management is very
Trouble.
Invention content
In order to overcome the defect of the existing detection whether normal method of underground pipe gallery, the present invention provides a kind of Urban Undergrounds
Piping lane positioning system does not need whether artificial detection piping lane is normal, the piping lane being abnormal can be detected in time, to repair
Personnel's on-call maintenance, and it is time saving and energy saving, it greatly improves the efficiency, reduces testing cost, management is simple and convenient.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
Urban Underground piping lane positioning system, including positioning device, server and intelligent terminal, positioning device pass through network and service
Device is communicated, and intelligent terminal is communicated by network and server, it is characterised in that：The positioning device have it is multiple, it is more
A positioning device is mounted on the wall in piping lane, and each positioning device connects a signal projector, a positioning device packet
A laser emitter, a laser pick-off target and a reflective mirror, the laser that laser emitter is sent out is included to penetrate on a mirror,
After reflective mirror is reflective, laser projection is on laser pick-off target, and signal projector is connected with laser pick-off target, signal projector
Laser location information of the transmission on laser pick-off target and positioning device information are sent to server；
The server includes signal receiving module, data processing module, multilevel iudge module, alarm module and data storage mould
Block；
The information received is sent to number by the signal receiving module for receiving the information that signal projector sends over
According to processing module；
The information received is carried out analyzing processing by the data processing module, and the data after analyzing processing are sent to compare and are sentenced
Disconnected module；
Data after analyzing processing are compared by the multilevel iudge module with the data being stored in data memory module to be sentenced
It is disconnected, position of the laser transmission on laser pick-off target is judged whether in the deviation range of setting, if exceeding deviation range,
Then alarm command is sent to alarm module；
After the alarm module receives alarm command, warning message is sent to intelligent terminal, prompts user's piping lane to occur abnormal,
Warning message, which includes at least, there is abnormal piping lane location information.
The positioning device information includes that number, address, set-up time and the laser transmission of positioning device connect in laser
Receive the initial position message on target.
Time switch is installed, start by set date laser transmitter projects go out laser, Laser emission on the laser emitter
Device often starts once, and whether laser pick-off target will receive the location information hair of laser and laser transmission on laser pick-off target
Signal projector is given, signal projector is then by network launches to server.
The reflective mirror is spherical mirror, or is plane mirror, and when being plane mirror, mirror tilt is mounted on piping lane wall
On.
The server further includes worksheet processing module, and the worksheet processing module is according to the positioning device information extraction for abnormal piping lane occur
Go out address, then according to the location information of maintenance personal, find out the maintenance personal nearest with there is abnormal piping lane, and to the repair
Personnel's worksheet processing notifies corresponding maintenance personal to repair.
The server further includes layout of roads module, and the layout of roads module is according to the positioning device for abnormal piping lane occur
Information extraction goes out address, and then according to the location information of maintenance personal, navigation routine is cooked up for maintenance personal.To repair people
Member, which can quickly reach, to be occurred repairing at abnormal piping lane.
Compared with prior art, the invention has the advantages that：
The present invention installs several positioning devices on the wall of piping lane, and positioning device swashs including a laser emitter, one
Light-receiving target and a reflective mirror, laser emitter, laser pick-off target and reflective mirror are triangularly arranged, and laser emitter is sent out
Laser penetrate on a mirror, after reflective mirror is reflective, on laser pick-off target, signal projector connects laser projection with laser
It receives target to be connected, laser is transmitted location information on laser pick-off target to signal projector and positioning device information is sent to service
Device；After positioning device is initially installed, the laser that laser transmitter projects go out transmits on laser pick-off target, and position at this time is
The initial position of laser, initial position are sent to server, and server is preserved, like this, the laser of each positioning device
The position being incident upon on laser pick-off target is all sent to server, and server is preserved.Timing controlled laser emitter is sent out
Penetrate laser, location information of the laser transmission on laser pick-off target is sent to server, the multilevel iudge module on server into
Row multilevel iudge judges the deviation of the position and initial position, if in the deviation range of setting, does not alarm, if
Not in deviation range, then reminding alarm, occurs shifting, settling, cave in etc. abnormal for the piping lane of positioning device.Thus
The case where can at any time monitoring and recognize piping lane, the piping lane that timely processing is abnormal, repair are more timely, simple and square
Just, be conducive to manager in this way to be managed piping lane.
Server of the present invention further includes worksheet processing module, which carries according to the positioning device information for abnormal piping lane occur
Address is taken out, then according to the location information of maintenance personal, finds out the maintenance personal nearest with there is abnormal piping lane, and to the dimension
Personnel's worksheet processing is repaiied, corresponding maintenance personal is notified to repair.By the effect of worksheet processing module, system can send work to most in time
Close maintenance personal, it is easy to repair much sooner.
Server of the present invention further includes layout of roads module, which fills according to the positioning for abnormal piping lane occur
Confidence breath extracts address, and then according to the location information of maintenance personal, navigation routine is cooked up for maintenance personal.To repair
Personnel, which can quickly reach, to be occurred repairing at abnormal piping lane.
Description of the drawings
Fig. 1 is positioning device structure schematic diagram of the present invention.
Reference numeral 1, laser emitter, 2, reflective mirror, 3, laser pick-off target.
Specific implementation mode
With reference to embodiment, the invention will be further described, and described embodiment is only a present invention part
Embodiment is not whole embodiment.Based on the embodiments of the present invention, those skilled in the art are not making
Other embodiments used obtained under the premise of creative work, belong to protection scope of the present invention.
The present invention provides Urban Underground piping lane positioning systems comprising positioning device, server and intelligent terminal, positioning
Device is communicated by network and server, and intelligent terminal is communicated by network and server, it is characterised in that：It is described
Positioning device has multiple, and multiple positioning devices are mounted on the wall in piping lane, and each positioning device connects a signal transmitting
Device, a positioning device include a laser emitter, a laser pick-off target and a reflective mirror, what laser emitter was sent out
Laser is penetrated on a mirror, and after reflective mirror is reflective, laser projection is on laser pick-off target, signal projector and laser pick-off
Target is connected, and laser is transmitted location information on laser pick-off target to signal projector and positioning device information is sent to service
Device；
The server includes signal receiving module, data processing module, multilevel iudge module, alarm module and data storage mould
Block；
The information received is sent to number by the signal receiving module for receiving the information that signal projector sends over
According to processing module；
The information received is carried out analyzing processing by the data processing module, and the data after analyzing processing are sent to compare and are sentenced
Disconnected module；
Data after analyzing processing are compared by the multilevel iudge module with the data being stored in data memory module to be sentenced
It is disconnected, position of the laser transmission on laser pick-off target is judged whether in the deviation range of setting, if exceeding deviation range,
Then alarm command is sent to alarm module；
After the alarm module receives alarm command, warning message is sent to intelligent terminal, prompts user's piping lane to occur abnormal,
Warning message, which includes at least, there is abnormal piping lane location information.
The positioning device information includes that number, address, set-up time and the laser transmission of positioning device connect in laser
Receive the initial position message on target.For example, positioning device number is 0001, address is so-and-so area, so-and-so street, and the set-up time is
So-and-so, once piping lane in this way occurs abnormal, abnormal prompt information includes the information such as the number of positioning device, address date,
Maintenance personal can quickly find the position for abnormal piping lane occur, easy to repair.
Time switch is installed, start by set date laser transmitter projects go out laser, Laser emission on the laser emitter
Device often starts once, and whether laser pick-off target will receive the location information hair of laser and laser transmission on laser pick-off target
Signal projector is given, signal projector is then by network launches to server.
The reflective mirror is spherical mirror, or is plane mirror, and when being plane mirror, mirror tilt is mounted on piping lane wall
On.
The server further includes worksheet processing module, and the worksheet processing module is according to the positioning device information extraction for abnormal piping lane occur
Go out address, then according to the location information of maintenance personal, find out the maintenance personal nearest with there is abnormal piping lane, and to the repair
Personnel's worksheet processing notifies corresponding maintenance personal to repair.
The server further includes layout of roads module, and the layout of roads module is according to the positioning device for abnormal piping lane occur
Information extraction goes out address, and then according to the location information of maintenance personal, navigation routine is cooked up for maintenance personal.To repair people
Member, which can quickly reach, to be occurred repairing at abnormal piping lane.
The principle that positioning device can measure piping lane exception is as follows
Laser emitter 1, reflective mirror 2, laser pick-off target 3, this three must be fixedly attached on piping lane wall.
Laser emitter 1 is emitted by certain angle on the reflective mirror 2 on laser to wall, and laser pick-off target on the wall
3 centers（Initial position）Receive laser signal.
Sink if wall occurs for wall center, as shown in Figure 1, reflective mirror 2 on wall will be driven to sink together.On the wall
The laser signal that receives of laser pick-off target 3 will decline.To judge that part sedimentation has occurred in piping lane.
Laser emitter 1, reflective mirror 2, any one in 3 three of laser pick-off target or two sinkings can all measure.
The sedimentation size of piping lane calculates and the laser emitter on wall, reflective mirror, the mounting distance of laser pick-off target, laser
Incidence angle has relationship.It can be calculated by the formula of triangle.
Claims (6)
1. Urban Underground piping lane positioning system, including positioning device, server and intelligent terminal, positioning device passes through network and clothes
Business device is communicated, and intelligent terminal is communicated by network and server, it is characterised in that：The positioning device have it is multiple,
Multiple positioning devices are mounted on the wall in piping lane, and each positioning device connects a signal projector, a positioning device
It is penetrated in reflective mirror including a laser emitter, a laser pick-off target and a reflective mirror, the laser that laser emitter is sent out
On, after reflective mirror is reflective, on laser pick-off target, signal projector is connected laser projection with laser pick-off target, signal hair
Laser is transmitted location information on laser pick-off target to emitter and positioning device information is sent to server；
The server includes signal receiving module, data processing module, multilevel iudge module, alarm module and data storage mould
Block；
The information received is sent to number by the signal receiving module for receiving the information that signal projector sends over
According to processing module；
The information received is carried out analyzing processing by the data processing module, and the data after analyzing processing are sent to compare and are sentenced
Disconnected module；
Data after analyzing processing are compared by the multilevel iudge module with the data being stored in data memory module to be sentenced
It is disconnected, position of the laser transmission on laser pick-off target is judged whether in the deviation range of setting, if exceeding deviation range,
Then alarm command is sent to alarm module；
After the alarm module receives alarm command, warning message is sent to intelligent terminal, prompts user's piping lane to occur abnormal,
Warning message, which includes at least, there is abnormal piping lane location information.
2. Urban Underground piping lane positioning system according to claim 1, it is characterised in that：The positioning device information includes
Number, address, set-up time and the laser of positioning device transmit the initial position message on laser pick-off target.
3. Urban Underground piping lane positioning system according to claim 1, it is characterised in that：It is installed on the laser emitter
There are time switch, start by set date laser transmitter projects to go out laser, laser emitter often starts once, and whether laser pick-off target will
It receives the location information of laser and laser transmission on laser pick-off target and is sent to signal projector, signal projector then leads to
Network launches are crossed to server.
4. Urban Underground piping lane positioning system according to claim 1, it is characterised in that：The reflective mirror is spherical mirror,
Or be plane mirror, when being plane mirror, mirror tilt is mounted on piping lane wall.
5. Urban Underground piping lane positioning system according to claim 1, it is characterised in that：The server further includes worksheet processing
Module, the worksheet processing module go out address according to the positioning device information extraction for abnormal piping lane occur, are then determined according to maintenance personal
Position information finds out the maintenance personal nearest with there is abnormal piping lane, and to maintenance personal's worksheet processing, notifies corresponding maintenance personal
It repairs.
6. Urban Underground piping lane positioning system according to claim 1 or 5, it is characterised in that：The server further includes
Layout of roads module, the layout of roads module go out address according to the positioning device information extraction for abnormal piping lane occur, then basis
The location information of maintenance personal cooks up navigation routine for maintenance personal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675664.6A CN108761480A (en) | 2018-06-27 | 2018-06-27 | Urban Underground piping lane positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675664.6A CN108761480A (en) | 2018-06-27 | 2018-06-27 | Urban Underground piping lane positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108761480A true CN108761480A (en) | 2018-11-06 |
Family
ID=63977575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810675664.6A Pending CN108761480A (en) | 2018-06-27 | 2018-06-27 | Urban Underground piping lane positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108761480A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082495A (en) * | 2020-08-28 | 2020-12-15 | 苏州云庐科技有限公司 | Deformation monitoring system and method for comprehensive pipe gallery |
| CN113466791A (en) * | 2021-07-14 | 2021-10-01 | 深圳市武测空间信息有限公司 | Laser mapping and positioning equipment and method |
| CN114264282A (en) * | 2021-12-27 | 2022-04-01 | 江苏劲驰电力工程有限公司 | Power grid construction settlement monitoring device suitable for multi-texture soil |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825067A (en) * | 2005-02-24 | 2006-08-30 | 吴志钢 | Laser monitoring method and relative monitoring apparatus |
| CN201181203Y (en) * | 2008-03-27 | 2009-01-14 | 中铁西南科学研究院有限公司 | Tunnel displacement monitoring system based on image sensor |
| CN102095384A (en) * | 2010-11-25 | 2011-06-15 | 天津大学 | Multiparameter internal-diameter measurement system and method based on high-precision coaxial positioning |
| CN102937437A (en) * | 2012-11-21 | 2013-02-20 | 中国铁建重工集团有限公司 | Total station prism group, tube push bench guide system for tunnel construction and guide method of tube push bench guide system |
| CN105223894A (en) * | 2015-11-04 | 2016-01-06 | 安徽理工大学 | A kind of Internet of Things detecting and controlling system and control method thereof |
| CN205593490U (en) * | 2016-03-04 | 2016-09-21 | 金鹏涛 | Tunnel engineering deformation monitoring combination measurement station device |
| CN106017544A (en) * | 2016-05-06 | 2016-10-12 | 西安工业大学 | Complementary type laser vertical target parameter test apparatus and test method |
| CN106704835A (en) * | 2016-12-30 | 2017-05-24 | 东北石油大学 | Pipe leakage detection single-point positioning method |
| CN106908028A (en) * | 2017-03-21 | 2017-06-30 | 中冶东方控股有限公司 | Piping lane sedimentation detecting system and detection method |
| CN107367301A (en) * | 2017-08-07 | 2017-11-21 | 万舒 | A kind of artificial intelligence bridge monitoring system for being easy to on-call maintenance |
| CN107424380A (en) * | 2017-07-13 | 2017-12-01 | 丁志国 | Urban Underground pipe gallery monitoring and warning system and method |
| CN107632581A (en) * | 2017-09-13 | 2018-01-26 | 四川君逸数码科技股份有限公司 | A kind of monitoring management system of underground pipe gallery |
| EP3308952A1 (en) * | 2016-10-12 | 2018-04-18 | Ding Yi Lu | Plastic flooring having registration patterns |
-
2018
- 2018-06-27 CN CN201810675664.6A patent/CN108761480A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825067A (en) * | 2005-02-24 | 2006-08-30 | 吴志钢 | Laser monitoring method and relative monitoring apparatus |
| CN201181203Y (en) * | 2008-03-27 | 2009-01-14 | 中铁西南科学研究院有限公司 | Tunnel displacement monitoring system based on image sensor |
| CN102095384A (en) * | 2010-11-25 | 2011-06-15 | 天津大学 | Multiparameter internal-diameter measurement system and method based on high-precision coaxial positioning |
| CN102937437A (en) * | 2012-11-21 | 2013-02-20 | 中国铁建重工集团有限公司 | Total station prism group, tube push bench guide system for tunnel construction and guide method of tube push bench guide system |
| CN105223894A (en) * | 2015-11-04 | 2016-01-06 | 安徽理工大学 | A kind of Internet of Things detecting and controlling system and control method thereof |
| CN205593490U (en) * | 2016-03-04 | 2016-09-21 | 金鹏涛 | Tunnel engineering deformation monitoring combination measurement station device |
| CN106017544A (en) * | 2016-05-06 | 2016-10-12 | 西安工业大学 | Complementary type laser vertical target parameter test apparatus and test method |
| EP3308952A1 (en) * | 2016-10-12 | 2018-04-18 | Ding Yi Lu | Plastic flooring having registration patterns |
| CN106704835A (en) * | 2016-12-30 | 2017-05-24 | 东北石油大学 | Pipe leakage detection single-point positioning method |
| CN106908028A (en) * | 2017-03-21 | 2017-06-30 | 中冶东方控股有限公司 | Piping lane sedimentation detecting system and detection method |
| CN107424380A (en) * | 2017-07-13 | 2017-12-01 | 丁志国 | Urban Underground pipe gallery monitoring and warning system and method |
| CN107367301A (en) * | 2017-08-07 | 2017-11-21 | 万舒 | A kind of artificial intelligence bridge monitoring system for being easy to on-call maintenance |
| CN107632581A (en) * | 2017-09-13 | 2018-01-26 | 四川君逸数码科技股份有限公司 | A kind of monitoring management system of underground pipe gallery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082495A (en) * | 2020-08-28 | 2020-12-15 | 苏州云庐科技有限公司 | Deformation monitoring system and method for comprehensive pipe gallery |
| CN113466791A (en) * | 2021-07-14 | 2021-10-01 | 深圳市武测空间信息有限公司 | Laser mapping and positioning equipment and method |
| CN114264282A (en) * | 2021-12-27 | 2022-04-01 | 江苏劲驰电力工程有限公司 | Power grid construction settlement monitoring device suitable for multi-texture soil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112799365B (en) | Intelligent monitoring system and method for gas pipe network | |
| CN108810162A (en) | Urban Underground piping lane comprehensive management platform | |
| CN108761480A (en) | Urban Underground piping lane positioning system | |
| CN103985008A (en) | Intelligent monitoring system of city underground pipeline | |
| CN206877112U (en) | A kind of underground pipe gallery monitoring and operation managing system | |
| CN105156903A (en) | Fluid pipe monitoring and managing system | |
| CN101110735A (en) | Security positioning system and method for industrial production workshop based on wireless sensor network | |
| CN102635786A (en) | Online real-time monitoring system for an embedded delivery pipeline | |
| CN109489630A (en) | A kind of means of transportation real-time monitoring system | |
| CN103152945A (en) | Fire-fighting emergency lighting and evacuation indicating system | |
| CN102625238A (en) | Precise positioning method and system for mine | |
| CN102590707A (en) | Cable monitoring system based on GPRS (general packet radio service) | |
| CN112684744A (en) | Wisdom city application underground pipe gallery model monitoring and early warning system | |
| WO2023098073A1 (en) | Anti-seismic performance abnormality early-warning system and method for urban underground utility tunnel | |
| CN115762025B (en) | Intelligent early warning method and system for communication optical cable | |
| CN114741431B (en) | Data transmission management system for urban underground comprehensive pipe rack | |
| CN110366111A (en) | Fire extinguisher orientation management system | |
| CN209462682U (en) | An urban road lighting system and its automatic fault detection equipment | |
| CN106382472A (en) | City underground comprehensive pipe gallery intelligent monitoring system based on small aircraft | |
| CN108561760A (en) | A kind of leakproof monitoring system of municipal administration heating steam pipe network | |
| CN209085603U (en) | Means of transportation real-time monitoring system | |
| KR100565907B1 (en) | Flood Early Warning System for Communication Cables | |
| CN115150260A (en) | Communication cable monitoring method, device, system, electronic equipment and storage medium | |
| CN209046364U (en) | Power fault analysis and orientation management system based on NB-IoT | |
| CN206948528U (en) | A kind of functional compartment based on NB networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
|
| RJ01 | Rejection of invention patent application after publication |