CN103531008A - Micro inclination sensor for civil engineering and wireless monitoring system - Google Patents

Micro inclination sensor for civil engineering and wireless monitoring system Download PDF

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Publication number
CN103531008A
CN103531008A CN201310499710.9A CN201310499710A CN103531008A CN 103531008 A CN103531008 A CN 103531008A CN 201310499710 A CN201310499710 A CN 201310499710A CN 103531008 A CN103531008 A CN 103531008A
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China
Prior art keywords
inclination sensor
signal
miniature
civil engineering
processor
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CN201310499710.9A
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Chinese (zh)
Inventor
王建松
刘庆元
廖小平
李龙飞
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Northwest Research Institute Co Ltd of CREC Shenzhen South Branch
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Northwest Research Institute Co Ltd of CREC Shenzhen South Branch
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Priority to CN201310499710.9A priority Critical patent/CN103531008A/en
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Abstract

The invention discloses a micro inclination sensor for civil engineering and a wireless monitoring system. The micro inclination sensor comprises an inclination angle sensing chip, a signal conversion module, a processor, a data transmission module connected to the processor, and a battery for providing electric power to the micro inclination sensor and waking up power supply to realize low power consumption of the sensor. The wireless monitoring system further comprises the micro inclination sensor and a signal acquisition device, and the wireless monitoring system is used for receiving and transmitting an output signal from the micro inclination sensor through a wireless way, so as to realize wireless acquisition and transmission of the signal. The micro inclination sensor, by performing inclination measurement through the inclination angle sensing chip, avoids problems of complex operation and low precision; the micro inclination sensor realizes a problem of power supply through a self-contained power pack by reducing power consumption, and the micro inclination sensor is connected to the signal acquisition device through the wireless way, to solve a problem that a wired connection way in the civil engineering is easy to be damaged.

Description

A kind of miniature inclination sensor and wireless supervisory control system for civil engineering work
Technical field
The present invention relates to the inclination measurement of civil engineering work, relate in particular to a kind of miniature inclination sensor and wireless supervisory control system for civil engineering work.
Background technology
In civil engineering work, often run into the soil excavation deformation failures such as foundation ditch, tunnel and side slope, landslide slump, works and the threat that disaster causes safely to civil engineering work such as topple over, therefore to carry out the safety case of the soil body of real-time supervision control engineering itself and periphery be the important means of effectively prevention and the prevention and control of solution engineering safety to the inclination and distortion by the monitoring soil body and works.In existing civil engineering work safety monitoring technology, because the sensor adopting is all to carry out collection and the transmission of data by communication cable, but also need service cable, the existence of a large amount of communications, service cable, under the rugged surroundings of civil engineering work, easily constructed and the artificial destruction such as pilferage, impact causes the operation of supervisory system; And instrument and equipment volume is large mostly, price is relatively costly, and precision is low, and is difficult for protection is installed, and these have seriously restricted the widespread adoption of real-time security monitoring technology in field of civil engineering.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists; and a kind of miniature inclination sensor and wireless supervisory control system of civil engineering work deformation monitoring are proposed, realizing little, the easy protection of volume, the highly sensitive soil body is out of shape safely Real-time Monitor Technique.
For solving the problems of the technologies described above, the present invention proposes a kind of miniature inclination sensor for civil engineering work, it is characterized in that, miniature inclination sensor comprises: inclination angle sensing chip, in order to produce the simulating signal of tilt data; Signal conversion module, connects inclination angle sensing chip, in order to convert the simulating signal of the tilt data of inclination angle sensing chip to digital signal, the described digital signal receiving is processed, and described processor comprises clock unit; Processor, processor connects signal conversion module, and the digital signal converting in order to reception & disposal signal conversion module, processes the described digital signal receiving, and described processor comprises processor body and clock unit; Data transmission module, data transmission module connects processor, and the digital signal of crossing in order to reception & disposal from processor is also given digital data transmission extraneous; Battery, described battery is in order to provide electric power to described inclination angle sensing chip, signal conversion module, processor and data transmission module; Wherein, described clock unit is by described battery continued power, and described clock unit is controlled described battery and with setting-up time interval, alternately opened or close the electric power supply to described inclination angle sensing chip, signal conversion module, processor body and data transmission module.
Preferably, signal conversion module is 16 for ADC digital to analog converter.
Preferably, data transmission module is RS485 interface.
Preferably, miniature inclination sensor also comprises wireless communication module, in order to send information to the external world or to accept instruction from the external world.
Preferably, wireless communication module is 434,000,000 radio-frequency communication modules.
Preferably, inclination angle sensing chip is ADXL203 chip.
The present invention also provides a kind of wireless supervisory control system for civil engineering work, wireless supervisory control system comprises at least one miniature inclination sensor assembly, miniature inclination sensor assembly comprises a plurality of miniature inclination sensors and a signal pickup assembly, miniature inclination sensor and signal pickup assembly wireless connections, signal pickup assembly is by wired power supply, and in order to receive the information that miniature inclination sensor sends and to send instruction to miniature inclination sensor.
Preferably, wireless supervisory control system also comprises a background server, and background server is in order to receive the information of signal pickup assembly transmission and to send instruction to signal pickup assembly.
Compared with prior art, beneficial effect of the present invention comprises: the present invention carries out inclination measurement by inclination angle sensing chip, has avoided complicated operation and the low problem of precision, has reduced volume and the cost of sensor simultaneously; And by wireless mode, connect miniature inclination sensor and signal pickup assembly, realize without cable communication, and by from charged pool mode, realized without cable power supply, avoided prior art to have easily destroyed problem of a large amount of cables.
Accompanying drawing explanation
Fig. 1 is the structural representation of the miniature inclination sensor of the embodiment of the present invention.
Fig. 2 is the structural representation of the wireless supervisory control system of the embodiment of the present invention.
Accompanying drawing explanation: miniature inclination sensor 11, miniature inclination sensor 11 comprises inclination angle sensing chip 111, signal conversion module 112, processor 113, data transmission module 114, battery 115, signal pickup assembly 12 and background server 2.
Embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Refer to Fig. 1, the invention provides a kind of miniature inclination sensor 11 for civil engineering work, miniature inclination sensor 11 comprises inclination angle sensing chip 111, signal conversion module 112, processor 113, data transmission module 114 and battery 115.
Inclination angle sensing chip 111, in order to produce the simulating signal of tilt data.In the present embodiment, inclination angle sensing chip is ADXL203 chip.
Signal conversion module 112, connects inclination angle sensing chip 111, in order to convert the simulating signal of the tilt data of inclination angle sensing chip 111 to digital signal.It is simulating signal that inclination angle sensing chip 111 detects the tilt data signal obtaining, and processor None-identified, so need to convert simulating signal to digital signal.In the present embodiment, signal conversion module 112 is 16 ADC digital to analog converters, and in other embodiments, signal conversion module 112 can adopt the digital to analog converter of other figure place as required, for example 32 or 24 etc.
Processor 113, processor 113 connects signal conversion module 112, the digital signal converting in order to reception & disposal signal conversion module 112, processes the described digital signal receiving, and processor 113 comprises processor body (not shown) and clock unit (not shown).The effect of processor 113 is to process to facilitate data transmission module 114 to transmit to the external world digital signal after conversion.In the present embodiment, what processor 113 used is single-chip microcomputer, in other embodiments, can need to adopt the processor 113 of other type according to the needs of deal with data or other.Described clock unit is by described battery 115 continued powers, and described clock unit is controlled described battery 115 and with setting-up time interval, alternately opened or close the electric power supply to described inclination angle sensing chip 111, signal conversion module 112, processor body and data transmission module 114.Because the work of miniature inclination sensor 11 does not many times need uninterruptedly carry out all day, so starting miniature inclination sensor 11 by clock unit measures, receives instruction or transmit the operations such as data to the external world on time, Deng after end of operation, close miniature inclination sensor 11, can effectively reduce like this power consumption of miniature inclination sensor 11.
Data transmission module 114, data transmission module 114 connects processors 113, in order to reception & disposal is crossed from processor 113 digital signal and digital data transmission is given extraneous.In the present embodiment, data transmission module 114 is RS485 interface, thereby staff can connect the tilt data that RS485 interface obtains miniature inclination sensor 11 by collector like this, collector is connected on PC, carries out the tilt data that data processing just can obtain wanting afterwards.In the present embodiment, data transmission module 114 is wireless communication apparatus, in order to send information to the external world or to accept instruction from the external world.Data transmission module 114 adopts wireless communication apparatus just can directly tilt data directly be sent out, and do not need staff to go to carry out data acquisition on the spot, when miniature inclination sensor 11 is in more severe working environment, can solve the bad problem gathering of staff on the spot.The particular type of wireless communication apparatus can be selected different types according to actual working environment, in the present embodiment, wireless communication apparatus is 434,000,000 radio-frequency communication modules, and in other embodiments, wireless communication apparatus can be other the wireless telecommunications means such as 3G, 4G or CDMA.
Battery 115, described battery 115 is in order to provide electric power to described inclination angle sensing chip 111, signal conversion module 112, processor 113 and data transmission module 114.Due to the miniature inclination sensor 11 in the present embodiment adopt to be that so inclination angle sensing chip 111 carries out the electric power that surveying work needs lower compared to existing technology, can adopt battery 115 as power supply, do not need to miniature inclination sensor 11 connecting power lines, can avoid being like this difficult under severe working environment holding flimsy problem to miniature inclination sensor 11 wirings or power lead.
The present invention also provides a kind of wireless supervisory control system for civil engineering work, wireless supervisory control system comprises at least one miniature inclination sensor assembly 1, miniature inclination sensor assembly 1 comprises a plurality of miniature inclination sensors 11 and a signal pickup assembly 12, miniature inclination sensor 11 and signal pickup assembly 12 wireless connections, signal pickup assembly 12 is by wired power supply, and in order to receive the information that miniature inclination sensor 11 sends and to send instructions to miniature inclination sensor 11.
In the present embodiment, wireless supervisory control system also comprises a background server 2, and background server 2 is in order to receive the information of signal pickup assembly 12 transmissions and to send instructions to signal pickup assembly 12.
Due to miniature inclination sensor 11 employings is that battery 115 is as power supply, so miniature inclination sensor 11 cannot carry out the signal transmission of high-power and long distance, therefore by signal pickup assembly 12, collecting the signal gathering in a panel region is transferred in background server 2 again, therefore signal pickup assembly 12 must have enough electric power supports to guarantee to carry out powerful signal transmission, so signal pickup assembly 12 adopts wired power supply.
The effect of wireless supervisory control system is to monitor in real time large-area region by a plurality of miniature inclination sensors 11, the miniature inclination sensor 11 that is distributed in each position is sent to region inclination information everywhere in background server 2 by signal pickup assembly 12, and staff can process in 2 pairs of data of background server.
The present embodiment of take below describes the principle of work of miniature inclination sensor of the present invention and wireless supervisory control system in detail as example.
The principle of work of miniature inclination sensor: first miniature inclination sensor 11 is embedded in to work place, inclination angle sensing chip 111 measures the simulating signal of the tilt data at this place; Then signal conversion module 112 converts simulating signal to digital signal, the digital signal that processor 113 receives after conversion, data transmission module 114 is responsible for the digital data transmission of tilt data to arrive extraneous, and according to the difference of transmission mode, data transmission module 114 also can be different.
The principle of work of wireless supervisory control system: miniature inclination sensor 11 is embedded in to work place, for example the massif side slope middle position of Along Railway periphery.Clock unit is controlled miniature inclination sensor 11 and is waken up within the default time, measure and data are transferred to signal pickup assembly 12 by wireless communication apparatus, by a plurality of signal pickup assemblies 12, data are gathered and are transferred to background server 2 again, staff processes to data the upper body side slope inclination situation that can recognize everywhere on background server 2, by Data Comparison, can judge whether massif side slope exists the possibility on landslide.
In the time need to modifying to the operation range of miniature inclination sensor 11, when background server 2 is opened work at miniature inclination sensor 11, by signal pickup assembly 12, to miniature inclination sensor 11, send modify instruction, miniature inclination sensor 11 receives the respective settings of changing clock unit after modify instruction.
In sum, the present invention carries out inclination measurement by inclination angle sensing chip, avoid complicated operation and the low problem of precision, and connected miniature inclination sensor and signal pickup assembly by wireless mode, avoided easily destroyed problem of wired connection mode.
The foregoing is only better possible embodiments of the present invention, not limit the scope of the invention.Every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (8)

1. for a miniature inclination sensor for civil engineering work, it is characterized in that, described miniature inclination sensor comprises:
Inclination angle sensing chip, in order to produce the simulating signal of tilt data;
Signal conversion module, connects described inclination angle sensing chip, in order to convert the simulating signal of the tilt data of described inclination angle sensing chip to digital signal;
Processor, described processor connects described signal conversion module, and the digital signal converting in order to signal conversion module described in reception & disposal is processed the described digital signal receiving, and described processor comprises processor body and clock unit;
Data transmission module, described data transmission module connects described processor, and the digital signal of crossing in order to reception & disposal from processor is also given described digital data transmission extraneous;
Battery, described battery is in order to provide electric power to described inclination angle sensing chip, signal conversion module, processor and data transmission module;
Wherein, described clock unit is by described battery continued power, and described clock unit is controlled described battery and with setting-up time interval, alternately opened or close the electric power supply to described inclination angle sensing chip, signal conversion module, processor body and data transmission module.
2. the miniature inclination sensor for civil engineering work according to claim 1, is characterized in that, described signal conversion module is 16 for ADC digital to analog converter.
3. the miniature inclination sensor for civil engineering work according to claim 1, is characterized in that, described data transmission module is RS485 interface.
4. the miniature inclination sensor for civil engineering work according to claim 1, is characterized in that, described miniature inclination sensor also comprises wireless communication module, in order to send information to the external world or to accept instruction from the external world.
5. the miniature inclination sensor for civil engineering work according to claim 4, is characterized in that, described wireless communication module is 434,000,000 radio-frequency communication modules.
6. the miniature inclination sensor for civil engineering work according to claim 1, is characterized in that, described inclination angle sensing chip is ADXL203 chip.
7. the wireless supervisory control system for civil engineering work, it is characterized in that, described wireless supervisory control system comprises at least one miniature inclination sensor assembly, described miniature inclination sensor assembly comprises a plurality of miniature inclination sensor and signal pickup assemblies as described in any one in claim 1,2 and 4 ~ 6, described miniature inclination sensor and described signal pickup assembly wireless connections, described signal pickup assembly is by wired power supply, and in order to receive the information that described miniature inclination sensor sends and to send instruction to described miniature inclination sensor.
8. the wireless supervisory control system for civil engineering work according to claim 7, it is characterized in that, described wireless supervisory control system also comprises a background server, and described background server is in order to receive the information of described signal pickup assembly transmission and to send instruction to described signal pickup assembly.
CN201310499710.9A 2013-10-22 2013-10-22 Micro inclination sensor for civil engineering and wireless monitoring system Pending CN103531008A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103883118A (en) * 2014-03-28 2014-06-25 交通运输部公路科学研究所 Intelligent scaffold fastener capable of monitoring dip angle changes
CN103925906A (en) * 2014-03-12 2014-07-16 哈尔滨工大云帆智慧信息技术有限公司 Low-power portable on-line inclination monitoring equipment
CN104952226A (en) * 2014-03-31 2015-09-30 中铁西北科学研究院有限公司深圳南方分院 Wireless testing method, testing device and testing system for deformation of deep pit
CN104948232A (en) * 2014-03-31 2015-09-30 中铁西北科学研究院有限公司深圳南方分院 Tunnel construction collapse early-warning method and system
CN104952211A (en) * 2014-03-31 2015-09-30 中铁西北科学研究院有限公司深圳南方分院 Debris flow disaster warning method and wireless early warning system thereof
CN105865387A (en) * 2014-11-19 2016-08-17 中铁西北科学研究院有限公司深圳南方分院 No-cable roadbed vertical displacement testing method and vertical displacement early warning system for
CN106033637A (en) * 2015-03-16 2016-10-19 中铁西北科学研究院有限公司深圳南方分院 Cable-free independent long-term working landslide hazard landslide hazard monitoring early warning method and system
CN111623752A (en) * 2020-05-19 2020-09-04 湖北理工学院 A miniature tilt sensor and wireless monitoring system for civil construction engineering

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CN202230592U (en) * 2011-09-06 2012-05-23 中铁十三局集团第一工程有限公司 Alarm device of automatic tunnel multi-information monitoring
CN102562157A (en) * 2010-12-18 2012-07-11 西安迅腾科技有限责任公司 Self-networking joint for underground environmental condition wireless monitoring system
CN103208173A (en) * 2013-03-14 2013-07-17 天津市建筑科学研究院有限公司 Embedded wireless intelligent sensor for geotechnical engineering monitoring
CN203503155U (en) * 2013-10-22 2014-03-26 中铁西北科学研究院有限公司深圳南方分院 Mini-type inclination sensor for civil engineering and wireless monitoring system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562157A (en) * 2010-12-18 2012-07-11 西安迅腾科技有限责任公司 Self-networking joint for underground environmental condition wireless monitoring system
CN202230592U (en) * 2011-09-06 2012-05-23 中铁十三局集团第一工程有限公司 Alarm device of automatic tunnel multi-information monitoring
CN103208173A (en) * 2013-03-14 2013-07-17 天津市建筑科学研究院有限公司 Embedded wireless intelligent sensor for geotechnical engineering monitoring
CN203503155U (en) * 2013-10-22 2014-03-26 中铁西北科学研究院有限公司深圳南方分院 Mini-type inclination sensor for civil engineering and wireless monitoring system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925906A (en) * 2014-03-12 2014-07-16 哈尔滨工大云帆智慧信息技术有限公司 Low-power portable on-line inclination monitoring equipment
CN103883118A (en) * 2014-03-28 2014-06-25 交通运输部公路科学研究所 Intelligent scaffold fastener capable of monitoring dip angle changes
CN103883118B (en) * 2014-03-28 2016-05-18 交通运输部公路科学研究所 A kind of intelligent scaffold clasp of surveying change of pitch angle
CN104952226A (en) * 2014-03-31 2015-09-30 中铁西北科学研究院有限公司深圳南方分院 Wireless testing method, testing device and testing system for deformation of deep pit
CN104948232A (en) * 2014-03-31 2015-09-30 中铁西北科学研究院有限公司深圳南方分院 Tunnel construction collapse early-warning method and system
CN104952211A (en) * 2014-03-31 2015-09-30 中铁西北科学研究院有限公司深圳南方分院 Debris flow disaster warning method and wireless early warning system thereof
CN105865387A (en) * 2014-11-19 2016-08-17 中铁西北科学研究院有限公司深圳南方分院 No-cable roadbed vertical displacement testing method and vertical displacement early warning system for
CN106033637A (en) * 2015-03-16 2016-10-19 中铁西北科学研究院有限公司深圳南方分院 Cable-free independent long-term working landslide hazard landslide hazard monitoring early warning method and system
CN111623752A (en) * 2020-05-19 2020-09-04 湖北理工学院 A miniature tilt sensor and wireless monitoring system for civil construction engineering

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Inventor after: Wang Jiansong

Inventor after: Liu Qingyuan

Inventor after: Liao Xiaoping

Inventor after: Zhu Benzhen

Inventor before: Wang Jiansong

Inventor before: Liu Qingyuan

Inventor before: Liao Xiaoping

Inventor before: Li Longfei

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Free format text: CORRECT: INVENTOR; FROM: WANG JIANSONG LIU QINGYUAN LIAO XIAOPING LI LONGFEI TO: WANG JIANSONG LIU QINGYUAN LIAO XIAOPING ZHU BENZHEN

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Application publication date: 20140122

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