CN105303736A - Tracker for thievery prevention of well lid, and control method thereof - Google Patents

Tracker for thievery prevention of well lid, and control method thereof Download PDF

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Publication number
CN105303736A
CN105303736A CN201510877914.0A CN201510877914A CN105303736A CN 105303736 A CN105303736 A CN 105303736A CN 201510877914 A CN201510877914 A CN 201510877914A CN 105303736 A CN105303736 A CN 105303736A
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China
Prior art keywords
module
well lid
central control
control module
alarm
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Granted
Application number
CN201510877914.0A
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Chinese (zh)
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CN105303736B (en
Inventor
张木成
任谦
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Foochow San Xinlongzhu Industry Co Ltd
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Foochow San Xinlongzhu Industry Co Ltd
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Alarm Systems (AREA)

Abstract

The invention relates to a tracker for thievery prevention of a well lid, and a control method thereof. The tracker for thievery prevention of a well lid includes a well lid, and also includes a central control module, an alarm module, a sensor module, a tracking positioner module, a wireless network module, an electric quantity detection module, and an encryption and decryption module, wherein the central control module, the alarm module, the sensor module, the tracking positioner module, the wireless network module, the electric quantity detection module, and the encryption and decryption module are arranged in the well lid; the alarm module, the sensor module, the tracking positioner module and the electric quantity detection module are electrically connected with the central control module; the central control module is connected with the wireless network module through the encryption and decryption module; the wireless network module is connected with a monitoring center; the sensor module includes a crash sensor and a gravity sensor; the crash sensor is used for detecting whether the well lid is crashed; and the gravity sensor is used for detecting whether the well lid moves or is not well covered. The tracker for thievery prevention of a well lid can timely discover whether the well lid is stolen and perform positioning and tracking of the well lid.

Description

A kind of manhole cover anti-theft tracker and control method thereof
Technical field
The present invention relates to manhole cover anti-theft field, particularly a kind of manhole cover anti-theft tracker and control method thereof.
Background technology
Current well lid due to anti-theft measure not in place, often can occur well lid stolen or damage situation.If the loss of well lid finds not in time and remedies, work the mischief to passing pedestrian or vehicle, serious threat to life.
Summary of the invention
In view of this, the object of the invention is to propose a kind of manhole cover anti-theft tracker and control method thereof, can Timeliness coverage well lid abnormal conditions, and can track and localization well lid position fast.
Device of the present invention adopts following scheme to realize: a kind of manhole cover anti-theft tracker, comprise well lid, also comprise be arranged at well lid inside central control module, alarm module, crash sensor, tracing positioner module, wireless network module, electric power detection module and encryption, deciphering module; Described alarm module, sensor assembly, tracing positioner module and electric power detection module are all electrical connected with described central control module; Described central control module is connected to described wireless network module through described encryption, deciphering module, and described wireless network module is connected to Surveillance center; Described sensor assembly comprises detecting crash sensor that whether well lid clashed into and in order to detect the gravity sensor whether well lid is moved or does not build.
Further, described tracing positioner inside modules is also provided with a smooth energy-storage module.
Further, described wireless network module is connected to mobile intelligent terminal.
Further, described alarm module comprises carrying out the acousto-optic warning unit of sound and light alarm and the network alarming unit in order to send warning message to Surveillance center or mobile intelligent terminal.
Further, the alarming threshold value of the central control module of described alarm module can according to the feedback of site environment and Surveillance center, and adjustment warning preset value is arranged, and greatly strengthens environmental suitability and the reliability of system.
Method of the present invention adopts following scheme to realize: a kind of control method based on manhole cover anti-theft tracker mentioned above, specifically comprises the following steps:
Step S1: described tracing positioner module is in park mode at ordinary times, in order to guarantee that system is in lowest power consumption;
Step S2: when described gravity sensor detects that well lid moves or well lid does not build or when described crash sensor detects that well lid is subject to clashing into, described sensor assembly is to central control module transmission well lid abnormal state signal;
Step S3: described central control module judges whether to receive the well lid abnormal state signal from sensor assembly by the intermittent scanning of setting, if so, then enters step S4, otherwise, repeat step S3;
Step S4: described central control module judges whether the well lid abnormal state signal that sensor assembly transmits is greater than default alarm threshold value, the false alarm that interference is formed rolling well lid in order to avoid normal vehicle and cause, the alarming threshold value of the central control module of each alarm can according to the feedback of site environment and Surveillance center, real-time intelligent adjustment warning preset value is arranged, and greatly strengthens environmental suitability and the reliability of system.If be greater than default alarm threshold value, then enter step S5, otherwise, return step S3;
Step S5: described central control module controls described alarm module and sends sound and light alarm and send warning message to Surveillance center or mobile intelligent terminal, and described central control module activates described tracing positioner module simultaneously;
Step S6: the positional information of described tracing positioner module real time record well lid, and this positional information is transferred to described central control module, described central control module transfers to Surveillance center by after positional information encryption through described wireless network module.
Preferably, further comprising the steps of:
Step S7: the positional information that described Surveillance center comes according to central control module transmission judges that whether well lid is stolen, and the positional information if so, then provided according to tracing positioner module is carried out well lid and looked for work; If not, then step S8 is entered;
Step S8: described Surveillance center sends the green signal of encryption by wireless network module, the green signal of described encryption is deciphered by described encryption, deciphering module, and transfer to described central control module, described central control module controls described alarm module to be stopped carrying out sound and light alarm, and returns step S1.
Especially, described well lid abnormal state signal comprises well lid and receives the strength signal of collision, the angle signal of well lid movement.
Further, described step S3 also comprises: the charge condition of described electric power detection module manhole cover anti-theft tracker according to the time quantitative check preset each power unit inner, if there is the situation of electricity deficiency, described electric power detection module sends the not enough warning information of electricity to described central control module, described central control module controls described alarm module and carries out electricity alarm operation, and not enough for electricity information is uploaded onto the server by described wireless network module.The present invention possesses timing electric power detection, when electric quantity consumption is low, energy active reporting information is to server, after avoiding traditional alarm not have electricity, owner cannot judge it is normal operating conditions (because normal work alarm does not send data), does not still have electricity to come into force and has not worked.
Further, described tracing positioner inside modules is also provided with a smooth energy-storage module, in order to extend the stand-by time of tracing positioner.
Further, described wireless network module is connected to mobile intelligent terminal.
Further, described alarm module comprises carrying out the acousto-optic warning unit of sound and light alarm and the network alarming unit in order to send warning message to Surveillance center or mobile intelligent terminal.
Compared with prior art, the present invention possesses following beneficial effect:
1, the present invention can Timeliness coverage well lid whether stolen, and record and upload the positional information of well lid.
2, the present invention is only when activating, and described tracing positioner module is just started working, and can realize the standby of ultra-long time.
3, crash sensor of the present invention can detect well lid and whether receive shock, and whether central control module can be selected to report to the police according to the intensity of clashing into, and greatly improves interference free performance of the present invention.
4, central control module of the present invention can according to the feedback of site environment and Surveillance center, and adjustment warning preset value is arranged, and greatly strengthens environmental suitability and the reliability of system.
5, anti-theft tracker of the present invention possesses versatility, and any well lid can be coordinated to realize, and is convenient to the antitheft upgrading being applied in traditional well lid.
6, the present invention steals tracker and long-rangely can arrange trigger sensitivity and trigger threshold, and better complex conditions and the road conditions adapting to erecting stage, avoid erroneous judgement.
7, anti-theft tracker of the present invention possesses the function preventing from destroying warning.Robber worries tracked, and when carrying out strong destruction, tracker can send destruction alerting signal in time, notifies owner.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figure 1, present embodiments provide a kind of manhole cover anti-theft tracker, comprise well lid, also comprise be arranged at well lid inside central control module, alarm module, crash sensor, tracing positioner module, wireless network module, electric power detection module and encryption, deciphering module; Described alarm module, sensor assembly, tracing positioner module and electric power detection module are all electrical connected with described central control module; Described central control module is connected to described wireless network module through described encryption, deciphering module, and described wireless network module is connected to Surveillance center; Described sensor assembly comprises detecting crash sensor that whether well lid clashed into and in order to detect the gravity sensor whether well lid is moved or does not build.
In the present embodiment, described tracing positioner inside modules is also provided with a smooth energy-storage module.
In the present embodiment, described wireless network module is connected to mobile intelligent terminal.
In the present embodiment, described alarm module comprises carrying out the acousto-optic warning unit of sound and light alarm and the network alarming unit in order to send warning message to Surveillance center or mobile intelligent terminal.
In the present embodiment, the alarming threshold value of the central control module of described alarm module can according to the feedback of site environment and Surveillance center, and real-time intelligent adjustment warning preset value is arranged, and greatly strengthens environmental suitability and the reliability of system.
The present embodiment additionally provides a kind of control method based on manhole cover anti-theft tracker mentioned above, specifically comprises the following steps:
Step S1: described tracing positioner module is in park mode at ordinary times, in order to guarantee that system is in lowest power consumption;
Step S2: when described gravity sensor detects that well lid moves or well lid does not build or when described crash sensor detects that well lid is subject to clashing into, described sensor assembly is to central control module transmission well lid abnormal state signal;
Step S3: described central control module judges whether to receive the well lid abnormal state signal from sensor assembly by the intermittent scanning of setting, if so, then enters step S4, otherwise, repeat step S3;
Step S4: described central control module judges whether the well lid abnormal state signal that sensor assembly transmits is greater than default alarm threshold value, the false alarm that interference is formed rolling well lid in order to avoid normal vehicle and cause, the alarming threshold value of the central control module of each alarm can according to the feedback of site environment and Surveillance center, adjustment warning preset value is arranged, and greatly strengthens environmental suitability and the reliability of system.If be greater than default alarm threshold value, then enter step S5, otherwise, return step S3;
Step S5: described central control module controls described alarm module and sends sound and light alarm and send warning message to Surveillance center or mobile intelligent terminal, and described central control module activates described tracing positioner module simultaneously;
Step S6: the positional information of described tracing positioner module real time record well lid, and this positional information is transferred to described central control module, described central control module transfers to Surveillance center by after positional information encryption through described wireless network module.
Preferably, further comprising the steps of:
Step S7: the positional information that described Surveillance center comes according to central control module transmission judges that whether well lid is stolen, and the positional information if so, then provided according to tracing positioner module is carried out well lid and looked for work; If not, then step S8 is entered;
Step S8: described Surveillance center sends the green signal of encryption by wireless network module, the green signal of described encryption is deciphered by described encryption, deciphering module, and transfer to described central control module, described central control module controls described alarm module to be stopped carrying out sound and light alarm, and returns step S1.
Especially, in the present embodiment, described well lid abnormal state signal comprises well lid and receives the strength signal of collision, the angle signal of well lid movement.
Especially, described step S3 also comprises: the charge condition of described electric power detection module manhole cover anti-theft tracker according to the time quantitative check preset each power unit inner, if there is the situation of electricity deficiency, described electric power detection module sends the not enough warning information of electricity to described central control module, described central control module controls described alarm module and carries out electricity alarm operation, and not enough for electricity information is uploaded onto the server by described wireless network module.The present invention possesses timing electric power detection, when electric quantity consumption is low, energy active reporting information is to server, after avoiding traditional alarm not have electricity, owner cannot judge it is normal operating conditions (because normal work alarm does not send data), does not still have electricity to come into force and has not worked.
In the present embodiment, described tracing positioner inside modules is also provided with a smooth energy-storage module, in order to extend the stand-by time of tracing positioner.
In the present embodiment, described wireless network module is connected to mobile intelligent terminal.
In the present embodiment, described alarm module comprises carrying out the acousto-optic warning unit of sound and light alarm and the network alarming unit in order to send warning message to Surveillance center or mobile intelligent terminal.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (10)

1. a manhole cover anti-theft tracker, comprise well lid, it is characterized in that: also comprise be arranged at well lid inside central control module, alarm module, crash sensor, tracing positioner module, wireless network module, electric power detection module and encryption, deciphering module; Described alarm module, sensor assembly, tracing positioner module and electric power detection module are all electrical connected with described central control module; Described central control module is connected to described wireless network module through described encryption, deciphering module, and described wireless network module is connected to Surveillance center; Described sensor assembly comprises detecting crash sensor that whether well lid clashed into and in order to detect the gravity sensor whether well lid is moved or does not build.
2. a kind of manhole cover anti-theft tracker according to claim 1, is characterized in that: described tracing positioner inside modules is also provided with a smooth energy-storage module, in order to extend the stand-by time of tracing positioner.
3. a kind of manhole cover anti-theft tracker according to claim 1, is characterized in that: described wireless network module is connected to mobile intelligent terminal.
4. a kind of manhole cover anti-theft tracker according to claim 1, is characterized in that: described alarm module comprises carrying out the acousto-optic warning unit of sound and light alarm and the network alarming unit in order to send warning message to Surveillance center or mobile intelligent terminal.
5., based on a control method for manhole cover anti-theft tracker according to claim 1, it is characterized in that comprising the following steps:
Step S1: described tracing positioner module is in park mode at ordinary times, in order to guarantee that system is in lowest power consumption;
Step S2: when described gravity sensor detects that well lid moves or well lid does not build or when described crash sensor detects that well lid is subject to clashing into, described sensor assembly is to central control module transmission well lid abnormal state signal;
Step S3: described central control module judges whether to receive the well lid abnormal state signal from sensor assembly by the intermittent scanning of setting, if so, then enters step S4, otherwise, repeat step S3;
Step S4: described central control module judges whether the well lid abnormal state signal that sensor assembly transmits is greater than default alarm threshold value, the false alarm that interference is formed rolling well lid in order to avoid normal vehicle and cause, if be greater than default alarm threshold value, then enter step S5, otherwise, return step S3; Wherein said alarm threshold value is adjusted in real time by the feedback of central control module according to site environment and Surveillance center, in order to strengthen environmental suitability and reliability;
Step S5: described central control module controls described alarm module and sends sound and light alarm and send warning message to Surveillance center or mobile intelligent terminal, and described central control module activates described tracing positioner module simultaneously;
Step S6: the positional information of described tracing positioner module real time record well lid, and this positional information is transferred to described central control module, described central control module transfers to Surveillance center by after positional information encryption through described wireless network module.
6. the control method of a kind of manhole cover anti-theft tracker according to claim 5, is characterized in that: further comprising the steps of:
Step S7: the positional information that described Surveillance center comes according to central control module transmission judges that whether well lid is stolen, and the positional information if so, then provided according to tracing positioner module is carried out well lid and looked for work; If not, then step S8 is entered;
Step S8: described Surveillance center sends the green signal of encryption by wireless network module, the green signal of described encryption is deciphered by described encryption, deciphering module, and transfer to described central control module, described central control module controls described alarm module to be stopped carrying out sound and light alarm, and returns step S1.
7. the control method of a kind of manhole cover anti-theft tracker according to claim 5, is characterized in that: described well lid abnormal state signal comprises well lid and receives the strength signal of collision, the angle signal of well lid movement.
8. the control method of a kind of manhole cover anti-theft tracker according to claim 5, it is characterized in that: described step S3 also comprises: the charge condition of described electric power detection module manhole cover anti-theft tracker according to the time quantitative check preset each power unit inner, if there is the situation of electricity deficiency, described electric power detection module sends the not enough warning information of electricity to described central control module, described central control module controls described alarm module and carries out electricity alarm operation, and not enough for electricity information is uploaded onto the server by described wireless network module.
9. the control method of a kind of manhole cover anti-theft tracker according to claim 5, is characterized in that: described tracing positioner inside modules is also provided with a smooth energy-storage module, in order to extend the stand-by time of tracing positioner.
10. the control method of a kind of manhole cover anti-theft tracker according to claim 5, is characterized in that: described alarm module comprises carrying out the acousto-optic warning unit of sound and light alarm and the network alarming unit in order to send warning message to Surveillance center or mobile intelligent terminal.
CN201510877914.0A 2015-12-04 2015-12-04 A kind of manhole cover anti-theft tracker and its control method Expired - Fee Related CN105303736B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107386330A (en) * 2017-07-28 2017-11-24 葛达旺 Intelligent and safe anti-stealing manhole cover
CN107401187A (en) * 2017-08-09 2017-11-28 浙江维思无线网络技术有限公司 A kind of cable shaft lid state detection method and device
CN107454153A (en) * 2017-07-21 2017-12-08 深圳市盛路物联通讯技术有限公司 A kind of communication monitoring method and Internet of Things server
CN108444520A (en) * 2018-04-27 2018-08-24 北海和思科技有限公司 A kind of manhole cover anti-theft tracker control system and its control method
CN108877116A (en) * 2018-08-10 2018-11-23 广州供电局有限公司 Power cable anti-theft alarm device and system
CN109001765A (en) * 2018-06-07 2018-12-14 贵港市厚顺信息技术有限公司 A kind of manhole cover anti-theft tracker control system and its control method
CN109537634A (en) * 2017-08-17 2019-03-29 北京元正数据科技有限公司 Safety well cover
CN111238566A (en) * 2019-12-31 2020-06-05 西安航天华迅科技有限公司 Manhole cover abnormal movement sensor based on Internet of things
CN111724556A (en) * 2019-03-22 2020-09-29 中国石油天然气集团有限公司 Anti-theft tracking method, device and system for seismic instrument
CN114677866A (en) * 2022-03-22 2022-06-28 云南国土资源职业学院 Multimedia teaching all-in-one convenient to hang

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101976488A (en) * 2010-11-03 2011-02-16 上海优培智能科技有限公司 Wellhole and wellshutter security alarming system for power telecom engineering
CN202854994U (en) * 2012-09-21 2013-04-03 南威软件股份有限公司 City well lid tracking and anti-theft system
CN203338489U (en) * 2013-07-19 2013-12-11 西安中星测控有限公司 Wireless alarm device for loss of manhole cover
CN103778737A (en) * 2014-01-24 2014-05-07 南通耀华机电有限公司 Anti-theft node module for inspection shaft cover
CN104167067A (en) * 2014-07-18 2014-11-26 上海朗尚科贸有限公司 Monitoring alarm system for city well covers and rails and monitoring method thereof
CN104658146A (en) * 2014-12-31 2015-05-27 湖南新光井盖科技有限公司 Device and method for monitoring motion state of well lid based on gravity acceleration sensor
CN205193968U (en) * 2015-12-04 2016-04-27 福州三鑫隆铸业有限公司 Well lid theftproof tracker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101976488A (en) * 2010-11-03 2011-02-16 上海优培智能科技有限公司 Wellhole and wellshutter security alarming system for power telecom engineering
CN202854994U (en) * 2012-09-21 2013-04-03 南威软件股份有限公司 City well lid tracking and anti-theft system
CN203338489U (en) * 2013-07-19 2013-12-11 西安中星测控有限公司 Wireless alarm device for loss of manhole cover
CN103778737A (en) * 2014-01-24 2014-05-07 南通耀华机电有限公司 Anti-theft node module for inspection shaft cover
CN104167067A (en) * 2014-07-18 2014-11-26 上海朗尚科贸有限公司 Monitoring alarm system for city well covers and rails and monitoring method thereof
CN104658146A (en) * 2014-12-31 2015-05-27 湖南新光井盖科技有限公司 Device and method for monitoring motion state of well lid based on gravity acceleration sensor
CN205193968U (en) * 2015-12-04 2016-04-27 福州三鑫隆铸业有限公司 Well lid theftproof tracker

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107454153A (en) * 2017-07-21 2017-12-08 深圳市盛路物联通讯技术有限公司 A kind of communication monitoring method and Internet of Things server
CN107454153B (en) * 2017-07-21 2021-01-26 深圳市盛路物联通讯技术有限公司 Communication monitoring method and Internet of things server
CN107386330A (en) * 2017-07-28 2017-11-24 葛达旺 Intelligent and safe anti-stealing manhole cover
CN107401187A (en) * 2017-08-09 2017-11-28 浙江维思无线网络技术有限公司 A kind of cable shaft lid state detection method and device
CN109537634A (en) * 2017-08-17 2019-03-29 北京元正数据科技有限公司 Safety well cover
CN108444520A (en) * 2018-04-27 2018-08-24 北海和思科技有限公司 A kind of manhole cover anti-theft tracker control system and its control method
CN109001765A (en) * 2018-06-07 2018-12-14 贵港市厚顺信息技术有限公司 A kind of manhole cover anti-theft tracker control system and its control method
CN108877116A (en) * 2018-08-10 2018-11-23 广州供电局有限公司 Power cable anti-theft alarm device and system
CN111724556A (en) * 2019-03-22 2020-09-29 中国石油天然气集团有限公司 Anti-theft tracking method, device and system for seismic instrument
CN111238566A (en) * 2019-12-31 2020-06-05 西安航天华迅科技有限公司 Manhole cover abnormal movement sensor based on Internet of things
CN114677866A (en) * 2022-03-22 2022-06-28 云南国土资源职业学院 Multimedia teaching all-in-one convenient to hang

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