CN109062098A - A kind of well lid monitoring system and method - Google Patents
A kind of well lid monitoring system and method Download PDFInfo
- Publication number
- CN109062098A CN109062098A CN201810877070.3A CN201810877070A CN109062098A CN 109062098 A CN109062098 A CN 109062098A CN 201810877070 A CN201810877070 A CN 201810877070A CN 109062098 A CN109062098 A CN 109062098A
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- base station
- monitoring device
- well lid
- alarm
- chip microcontroller
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Alarm Systems (AREA)
Abstract
The invention proposes a kind of well lids to monitor system and method, communication network by building monitoring device, between base station and master base station, all well lids in city can be drawn into district management, when monitoring device triggers alarm signal, the monitoring device position of alarm can be quickly searched according to the region where well lid, reduce searching work amount；By being equipped with LoRa communication component in monitoring device, in the transmission of no data, in a dormant state, when having data to send, it is waken up, then carries out data transmission, save the energy of battery, reduce consumption, can transmit at a distance, reduce interference；Whole device is low in energy consumption, and structure is simple, convenient for managing and searching the monitoring device of alarm.
Description
Technical field
The present invention relates to the Internet of Things communications fields more particularly to a kind of well lid to monitor system and method.
Background technique
Urban Underground pipe gallery is the synthesis of the underground pipe networks such as water power, combustion gas and communication, the management to pipe gallery
As the most important thing of municipal administration, it is mainly reflected in the management to well lid state.Well lid is stolen, artificial destruction well lid enter it is comprehensive
It closes piping lane to be stolen, destroyed, the situation that closing well lid is forgotten in technical staff's inspection happens occasionally, personal safety and underground to pedestrian
The management of pipe gallery all brings unexpected trouble.But it is each throughout city since well lid is widely distributed and substantial amounts
A orientation, if well lid loses or damage, inspection personnel cannot timely receive message, pedestrian is passed by, it is easy to it falls into hoistway,
In turn result in accident；Furthermore if desired well lid is carried out if individually detecting, heavy workload, time-consuming, needs to go around city
Each corner, it is very inconvenient.So being badly in need of one kind now when well lid occurs illegal mobile, alarm and will alarm in time
Information is sent to the monitoring system of monitoring center.
Summary of the invention
In view of this, saving the prison of municipal cost the invention proposes the supervision difficulty that one kind can reduce maintenance personnel
Examining system and monitoring method.
The technical scheme of the present invention is realized as follows: the present invention provides a kind of well lids to monitor system comprising upper
Machine and monitoring device further include master base station and from base station；
Monitoring device is connect by way of datagram with from base station radio, is wirelessly connected from base station and master base station, main base
It stands and is in communication with each other by network and host computer；
Monitoring device includes single-chip microcontroller, the angular transducer of monitoring well cover shape state, GPS locator and and from base station communication
LoRa communication component；
Angular transducer, GPS locator and LoRa communication component with single-chip microcontroller be electrically connected, LoRa communication component with from
Base station radio connection.
On the basis of above technical scheme, it is preferred that the networking mode from base station and monitoring device is star topology.
On the basis of above technical scheme, it is preferred that monitoring device further includes photoreceptor, water level sensor, alarm；
Photoreceptor, water level sensor and alarm are connect with single-chip microcontroller.
Still more preferably, single-chip microcontroller control water level sensor, photoreceptor power supply open or close, and are not needing water
When level sensor and photoreceptor work, host computer sends the power command for interrupting water level sensor and photoreceptor to single-chip microcontroller, single
The power supply of piece machine interruption water level sensor and photoreceptor.
On the basis of above technical scheme, it is preferred that host computer includes mobile phone terminal and computer terminal.
Still more preferably, monitoring device is mounted on the back side of well lid by secondary inner loop.
The present invention provides a kind of well cover monitoring methods comprising following steps:
S101, it is built in the back side of well lid installation monitoring device by the well lid region division in city at multiple small regions
The monitoring device in each region is communicated from base station with one, is logical from base station and base station communication, master base station and host computer
The communication network that letter, host computer are communicated with monitoring device；
S102, each well lid of setting are in off state, when needing to monitor some well lid, by network to the well lid
Monitoring device send the order for cancelling alarm, when personnel monitoring, alarm is not alarmed；When well lid is illegally opened,
Monitoring device sound-light alarm, and warning information is transmitted in wireless form from base station；
S103, it is transmitted to master base station by region from base station by warning information, master base station informs host computer, work in wireless form
Make personnel to the inspection of the scene of a crime.
On the basis of above technical scheme, it is preferred that monitoring device includes single-chip microcontroller, and electrical with single-chip microcontroller respectively
Angular transducer, water level sensor, GPS locator, alarm and the LoRa communication component of connection.
Still more preferably, monitoring device monitoring method the following steps are included:
S201, when angular transducer detects that well lid is mobile or is lifted up, send alarm triggering letter to single-chip microcontroller
Number, single-chip microcontroller triggers alarm equipment alarm, and when carrying out routine examination, host computer sends the signal for releasing alarm, report to single-chip microcontroller
Alert device is not alarmed；
S202, when not needing water level sensor and photoreceptor and working, host computer sends to single-chip microcontroller and interrupts level sensor
The power command of device and photoreceptor, the power supply of singlechip interruption water level sensor and photoreceptor；When raining heavily, host computer is to list
Piece machine sends the power command for opening water level sensor and photoreceptor, and water level sensor and photoreceptor start to acquire signal, when adopting
Collecting signal is more than preset value, sends alarm signal to single-chip microcontroller, single-chip microcontroller sends the water level information of monitoring to host computer.
Of the invention has the advantages that compared with the existing technology
(1) communication by building monitoring device, between base station and master base station, well lid partition that can be all by city
Domain management can quickly search the monitoring device of alarm when monitoring device triggers alarm signal according to the region where well lid
Searching work amount is reduced in position；
(2) by being equipped with LoRa communication component in monitoring device, in the transmission of no data, in a dormant state, when
It when having data to send, is waken up, then carries out data transmission, save the energy of battery, reduce consumption, can pass at a distance
It is defeated, reduce interference；
(3) whole device is low in energy consumption, and structure is simple, convenient for managing and searching the monitoring device of alarm.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure chart that a kind of well lid of the present invention monitors system；
The step of Fig. 2 is a kind of well cover monitoring method of the invention is schemed；
The step of Fig. 3 is the monitoring method of monitoring device of the invention is schemed.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only some embodiments of the invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of well lid of the invention monitors system comprising host computer is filled from base station and master base station, monitoring
It sets.
From base station and master base station, the warning information and location information that monitoring device is sent are received by region, to monitoring device
Convey the order of host computer, master base station is issued the order of host computer to the region from base station by region, from base station by the life
Order is sent to corresponding monitoring device, each base station receives the signal of the monitoring device of certain panel region, and by monitoring device
Signal is sent to master base station.Host computer is connect with from base station radio, master base station and from base station radio connect, from base station and monitoring
Device is wirelessly connected.
Monitoring device monitors the open state of well lid, in illegal open manhole cover, or when water level is more than preset value, leads to
It crosses and alarms from base station and master base station to host computer.Monitoring device include: angular transducer, GPS locator, LoRa communication component,
Single-chip microcontroller, alarm, water level sensor and sense organ device.Angular transducer monitors the opening angle of well lid, when well lid opening angle
When greater than 15 degree, triggering alarm signal is sent to single-chip microcontroller, single-chip microcontroller controls alarm and carries out sound-light alarm, and by GPS positioning
The location information of device is transmitted to LoRa communication component, and controls LoRa communication component and transmit warning message to host computer；GPS positioning
Device when warning message occurs for monitoring device, sends location information to single-chip microcontroller, single-chip microcontroller controls LoRa communication component to host computer
Location information is sent, is exactly found alert locations convenient for staff；Water level sensor monitors the water level information of hoistway, works as water
When position exceeds preset value, warning message is sent to single-chip microcontroller, single-chip microcontroller controls LoRa communication component and sends alarm signal to host computer
Breath；Photoreceptor acquires the light intensity of hoistway, when light is strong, sends warning information to single-chip microcontroller, carries out secondary monitoring and report
It is alert；LoRa communication component is transmitted to host computer with the warning message that wireless form transmits single-chip microcontroller.Angular transducer, GPS are fixed
Position device, LoRa communication component, photoreceptor, water level sensor and alarm are electrically connected with single-chip microcontroller, LoRa communication component with
It is connected from base station radio.
Host computer, with base station communication.Host computer includes mobile phone terminal and computer terminal.Host computer wirelessly connects with master base station
It connects.
As shown in Fig. 2, in conjunction with Fig. 3, a kind of well cover monitoring method of the invention, comprising the following steps:
S101, it is built in the back side of well lid installation monitoring device by the well lid region division in city at multiple small regions
The monitoring device in each region communicated with one from base station, from base station and base station communication, master base station and host computer
The communication network that communication, host computer are communicated with monitoring device；
S102, each well lid of setting are in off state, when needing to monitor some well lid, by network to the well lid
Monitoring device send the order for cancelling alarm, when personnel monitoring, alarm is not alarmed；When well lid is illegally opened,
Monitoring device sound-light alarm, and warning information is transmitted in wireless form from base station；
S103, it is transmitted to master base station by region from base station by warning information, master base station informs host computer, work in wireless form
Make personnel to the inspection of the scene of a crime.
Monitoring device monitoring method the following steps are included:
S201, when angular transducer detects that well lid is mobile or is lifted up, send alarm triggering letter to single-chip microcontroller
Number, single-chip microcontroller triggers alarm equipment alarm, and when carrying out routine examination, host computer sends the signal for releasing alarm, report to single-chip microcontroller
Alert device is not alarmed；
S202, when not needing water level sensor and photoreceptor and working, host computer sends to single-chip microcontroller and interrupts level sensor
The power command of device and photoreceptor, the power supply of singlechip interruption water level sensor and photoreceptor；When raining heavily, host computer is to list
Piece machine sends the power command for opening water level sensor and photoreceptor, and water level sensor and photoreceptor start to acquire signal, when adopting
Collecting signal is more than preset value, sends alarm signal to single-chip microcontroller, single-chip microcontroller sends the water level information of monitoring to host computer.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of well lid monitors system comprising host computer and monitoring device, it is characterised in that: further include master base station and from base
It stands；
The monitoring device is connect by way of datagram with from base station radio, is wirelessly connected from base station and master base station, main base
It stands and is in communication with each other by network and host computer；
The monitoring device includes single-chip microcontroller, the angular transducer of monitoring well cover shape state, GPS locator and and from base station communication
LoRa communication component；
The angular transducer, GPS locator and LoRa communication component with single-chip microcontroller be electrically connected, LoRa communication component with from
Base station radio connection.
2. a kind of well lid as described in claim 1 monitors system, it is characterised in that: the networking from base station and monitoring device
Mode is star topology.
3. a kind of well lid as described in claim 1 monitors system, it is characterised in that: the monitoring device further include photoreceptor,
Water level sensor, alarm；
The photoreceptor, water level sensor and alarm are connect with single-chip microcontroller.
4. a kind of well lid as claimed in claim 3 monitors system, it is characterised in that: the single-chip microcontroller control water level sensor,
Photoreceptor power supply opens or closes, and when not needing water level sensor and photoreceptor works, host computer is into single-chip microcontroller transmission
It cuts off the water supply the power command of level sensor and photoreceptor, the power supply of singlechip interruption water level sensor and photoreceptor.
5. a kind of well lid as described in claim 1 monitors system, it is characterised in that: the host computer includes mobile phone terminal and electricity
Brain terminal.
6. a kind of well lid as claimed in claim 3 monitors system, it is characterised in that: the monitoring device is pacified by secondary inner loop
Mounted in the back side of well lid.
7. a kind of well cover monitoring method, it is characterised in that: the following steps are included:
S101, it is built each in the back side of well lid installation monitoring device by the well lid region division in city at multiple small regions
The monitoring device in region communicated from base station with one, all communicated from base station with base station communication, master base station and host computer, on
The communication network that position machine is communicated with monitoring device；
S102, each well lid of setting are in off state, when needing to monitor some well lid, by network to the prison of the well lid
It surveys device and sends the order for cancelling alarm, when personnel monitoring, alarm is not alarmed；When well lid is illegally opened, monitoring
Device sound-light alarm, and warning information is transmitted in wireless form from base station；
S103, it is transmitted to master base station by region from base station by warning information, master base station informs host computer in wireless form, and work people
Member arrives the inspection of the scene of a crime.
8. a kind of well cover monitoring method as claimed in claim 7, it is characterised in that: the monitoring device includes single-chip microcontroller, with
And angular transducer, water level sensor, GPS locator, alarm and the LoRa communication component being electrically connected respectively with single-chip microcontroller.
9. a kind of well cover monitoring method as claimed in claim 8, it is characterised in that: the monitoring method of the monitoring device includes
Following steps:
S201, when angular transducer detects that well lid is mobile or is lifted up, send warning trigger signal to single-chip microcontroller, it is single
Piece machine triggers alarm equipment alarm, and when carrying out routine examination, host computer sends the signal for releasing alarm to single-chip microcontroller, and alarm is not
Alarm；
S202, when not needing water level sensor and photoreceptor and working, host computer sent to single-chip microcontroller interrupt water level sensor and
The power command of photoreceptor, the power supply of singlechip interruption water level sensor and photoreceptor；When raining heavily, host computer is to single-chip microcontroller
The power command for opening water level sensor and photoreceptor is sent, water level sensor and photoreceptor start to acquire signal, when acquisition is believed
Number be more than preset value, to single-chip microcontroller send alarm signal, single-chip microcontroller to host computer send monitoring water level information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877070.3A CN109062098A (en) | 2018-08-03 | 2018-08-03 | A kind of well lid monitoring system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877070.3A CN109062098A (en) | 2018-08-03 | 2018-08-03 | A kind of well lid monitoring system and method |
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| Publication Number | Publication Date |
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| CN109062098A true CN109062098A (en) | 2018-12-21 |
Family
ID=64833144
Family Applications (1)
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| CN201810877070.3A Pending CN109062098A (en) | 2018-08-03 | 2018-08-03 | A kind of well lid monitoring system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683152A (en) * | 2020-06-10 | 2020-09-18 | 河海大学常州校区 | Underground water course well lid monitoring system based on loRa |
| CN112610279A (en) * | 2020-12-18 | 2021-04-06 | 福州华虹智能科技股份有限公司 | Monitoring system for underground exploration based on Internet of things |
| CN114125754A (en) * | 2021-11-17 | 2022-03-01 | 贵州电网有限责任公司 | LoRa Internet of things networking structure and method suitable for monitoring electricity consumption in tourist area |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023139A (en) * | 2012-11-23 | 2013-04-03 | 航天科工深圳（集团）有限公司 | Device and method for monitoring distribution network |
| CN203616846U (en) * | 2013-10-31 | 2014-05-28 | 无锡美新物联网科技有限公司 | Wireless condition monitoring system used for well cover |
| CN203722669U (en) * | 2014-01-08 | 2014-07-16 | 山东康威通信技术股份有限公司 | Power tunnel semi-offline manhole cover monitoring system |
| CN204856811U (en) * | 2015-08-07 | 2015-12-09 | 高坤 | Well lid monitoring devices and well lid |
| CN105220711A (en) * | 2015-10-31 | 2016-01-06 | 韦调才 | Based on the anti-stealing manhole cover of lora technology remote control |
| CN105809929A (en) * | 2016-04-28 | 2016-07-27 | 陕西永诺信息科技有限公司 | LoRa technology-based surface-borehole monitoring and management system |
| CN106169220A (en) * | 2016-08-31 | 2016-11-30 | 北京城市排水集团有限责任公司 | Cover of inspection well MANET real-time monitoring system and using method thereof |
| CN106522279A (en) * | 2016-11-17 | 2017-03-22 | 国网上海市电力公司 | Intelligent well lid system and networking communication monitoring method thereof |
| CN206161038U (en) * | 2016-08-31 | 2017-05-10 | 四川先觉物联网科技有限公司 | Manhole cover monitoring system |
| CN206314002U (en) * | 2016-12-26 | 2017-07-07 | 陕西永诺信息科技有限公司 | A kind of ground well monitor terminal management system based on LoRa technologies |
| CN107389132A (en) * | 2017-07-28 | 2017-11-24 | 上海欧忆能源科技有限公司 | Cable work well intelligent monitoring system based on Internet of Things |
| CN107687182A (en) * | 2017-08-28 | 2018-02-13 | 贾仰胜 | A kind of well lid warning system |
| CN207211207U (en) * | 2017-09-27 | 2018-04-10 | 淮南师范学院 | A kind of multifunctional intellectual well lid |
| CN109246613A (en) * | 2018-09-12 | 2019-01-18 | 深圳市亿兆互联技术有限公司 | A kind of cesspool cover safety monitoring system |
-
2018
- 2018-08-03 CN CN201810877070.3A patent/CN109062098A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023139A (en) * | 2012-11-23 | 2013-04-03 | 航天科工深圳（集团）有限公司 | Device and method for monitoring distribution network |
| CN203616846U (en) * | 2013-10-31 | 2014-05-28 | 无锡美新物联网科技有限公司 | Wireless condition monitoring system used for well cover |
| CN203722669U (en) * | 2014-01-08 | 2014-07-16 | 山东康威通信技术股份有限公司 | Power tunnel semi-offline manhole cover monitoring system |
| CN204856811U (en) * | 2015-08-07 | 2015-12-09 | 高坤 | Well lid monitoring devices and well lid |
| CN105220711A (en) * | 2015-10-31 | 2016-01-06 | 韦调才 | Based on the anti-stealing manhole cover of lora technology remote control |
| CN105809929A (en) * | 2016-04-28 | 2016-07-27 | 陕西永诺信息科技有限公司 | LoRa technology-based surface-borehole monitoring and management system |
| CN106169220A (en) * | 2016-08-31 | 2016-11-30 | 北京城市排水集团有限责任公司 | Cover of inspection well MANET real-time monitoring system and using method thereof |
| CN206161038U (en) * | 2016-08-31 | 2017-05-10 | 四川先觉物联网科技有限公司 | Manhole cover monitoring system |
| CN106522279A (en) * | 2016-11-17 | 2017-03-22 | 国网上海市电力公司 | Intelligent well lid system and networking communication monitoring method thereof |
| CN206314002U (en) * | 2016-12-26 | 2017-07-07 | 陕西永诺信息科技有限公司 | A kind of ground well monitor terminal management system based on LoRa technologies |
| CN107389132A (en) * | 2017-07-28 | 2017-11-24 | 上海欧忆能源科技有限公司 | Cable work well intelligent monitoring system based on Internet of Things |
| CN107687182A (en) * | 2017-08-28 | 2018-02-13 | 贾仰胜 | A kind of well lid warning system |
| CN207211207U (en) * | 2017-09-27 | 2018-04-10 | 淮南师范学院 | A kind of multifunctional intellectual well lid |
| CN109246613A (en) * | 2018-09-12 | 2019-01-18 | 深圳市亿兆互联技术有限公司 | A kind of cesspool cover safety monitoring system |
Non-Patent Citations (2)
| Title |
|---|
| 郑丰收等: ""城市排水智能井盖监管***介绍"", 《给水排水》 * |
| 鲍宏海: ""基于WSN的城市道路井盖安全监测***研究"", 《中国优秀硕士学位论文全文数据库-信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683152A (en) * | 2020-06-10 | 2020-09-18 | 河海大学常州校区 | Underground water course well lid monitoring system based on loRa |
| CN112610279A (en) * | 2020-12-18 | 2021-04-06 | 福州华虹智能科技股份有限公司 | Monitoring system for underground exploration based on Internet of things |
| CN114125754A (en) * | 2021-11-17 | 2022-03-01 | 贵州电网有限责任公司 | LoRa Internet of things networking structure and method suitable for monitoring electricity consumption in tourist area |
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