CN205718830U - Multinode overlength deep soils system based on RS485 bussing technique - Google Patents

Multinode overlength deep soils system based on RS485 bussing technique Download PDF

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Publication number
CN205718830U
CN205718830U CN201620419210.9U CN201620419210U CN205718830U CN 205718830 U CN205718830 U CN 205718830U CN 201620419210 U CN201620419210 U CN 201620419210U CN 205718830 U CN205718830 U CN 205718830U
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China
Prior art keywords
unit
sensor
multinode
acceleration transducer
deep
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Expired - Fee Related
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CN201620419210.9U
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Chinese (zh)
Inventor
李果
房锐
刘晓宇
胡承宇
郭彪
余相贵
叶咸
王兴昆
丁志林
侯岳峰
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Beijing Zhongli Zhiyan Internet Of Things Technology Co Ltd
BROADVISION ENGINEERING CONSULTANTS
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Beijing Zhongli Zhiyan Internet Of Things Technology Co Ltd
BROADVISION ENGINEERING CONSULTANTS
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Priority to CN201620419210.9U priority Critical patent/CN205718830U/en
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Abstract

The utility model discloses a kind of multinode overlength deep soils system based on RS485 bussing technique, including: N number of multinode acceleration transducer unit, wherein N > 1;N number of 485 digital junction control units;Data acquisition discharger;By 485 buses, above-mentioned acceleration transducer unit and 485 digital junction control units are attached, each some layer position, position of deep drill is carried out three-dimensional static displacement measurement, described N number of 485 digital repeaters coordinate the N number of multinode acceleration transducer unit of control, guarantee that the electric current of supply line can be by the gradually switch of unit, electric current is transferred to each acceleration transducer successively until the end of whole string sensor so that 485 buses can use successively.According to deep displacement multinode of the present utility model monitoring system and monitoring method, it is possible to long-term seizure deep displacement deformation measurement, and simple installation is cheap, and applicable China's national situation is widely used, and monitoring and early warning for geological disaster are significant.

Description

Multinode overlength deep soils system based on RS485 bussing technique
Technical field
This utility model relates to boring 3 d deformation monitoring field, landslide, belongs to Geotechnical Engineering deep soils equipment, It is specifically related to a kind of multinode overlength deep soils system based on RS485 bussing technique.
Background technology
In landslide depth displacement is monitored, traditional measuring method is frequently with sliding inclinometer or stationary slope level Monitoring side slope deep deformation, sliding inclinometer is then sinking inclinometer pipe in boring, and utilization pulls sliding inclinometer and exists The upper and lower fixed length one-point measurement bore inner tilt displacement of inclinometer pipe guide rail, thus grasp the deformation situation of bore inner.But, nothing Opinion is the defect that slip inclinometer or fixing inclinometer have self: fixing inclinometer precision is high, it is possible to along with slope deforming Carry out long term monitoring, but can to install measure dot number in the boring of same deep displacement limited for fixing inclinometer;Slip inclinometer is originally Body certainty of measurement is the highest, but the deformation of constantly developing that is as coming down, inclinometer pipe in boring or by bad break or be deformed, Now sliding inclinometer measures in can not sinking to boring.Although two kinds of equipment can accurately be measured, but right Actually used demand all can not be met in whole borehole survey point bit quantity and deep displacement long term monitoring.
But, no matter it is used for the external product of deep displacement measurement at metering system or in using effect with type The best, it is also possible to meet the measurement demand of three-dimensional big displacement.But external product mounting structure is complicated, need corresponding Not meeting the Geological Hazards Monitoring national conditions of China on installing space, and equipment manufacturing cost installation cost, therefore one can be carried out Deep displacement multinode is measured, and can catch deep displacement deformation measurement, and the monitoring that simple installation is cheap for a long time Equipment is just particularly important.
Utility model content
Deep soils is to obtain one of geologic body deformation behaviour and evolutionary process means the most direct, maximally effective.Pin Deficiency to current deep soils, the purpose of this utility model is to provide one to be connected by 485 buses, multinode weight Power acceleration transducer is connected in parallel in 485 buses, and each some layer position, position of deep drill carries out the prison of three-dimensional static displacement measurement Examining system.
For achieving the above object, a kind of multinode overlength deep displacement based on RS485 bussing technique of this utility model prison Examining system, including:
N number of multinode acceleration transducer unit, wherein N > 1;
N number of 485 digital junction control units;
Data acquisition discharger;
By 485 buses, above-mentioned acceleration transducer unit and 485 digital junction control units are attached, to deep Each some layer position, position of holing carries out three-dimensional static displacement measurement, and described N number of 485 digital repeaters coordinate and control N number of multinodes and add Speed sensor units, it is ensured that electric current can be transferred to successively by the electric current of supply line by the gradually switch of unit Each acceleration transducer is until the end of whole string sensor so that 485 buses can use successively.
Further, described system also includes:
Circuit board fixing bracket, is used for fixing multinode acceleration transducer unit and relay control unit;
Sensor measurement rigid element pipe, is placed on circuit board unit therein for protection, simultaneously as borehole survey The rigid section of unit;
Flexible connecting member, two ends have steel structure connecting member, by soft between adjacent sensor measurement rigid element pipe Property connector connect, during geological deformation absorb energy, protection sensor measurement rigid element pipe do not deform.
Further, also include:
Outer protection unit, set invests sensor measurement rigid element pipe and the protective layer of flexible connecting member outer wall.
Further, described outer protection unit has four layers, one layer of thermoplastic tube, is used for preventing hydraulic pressure in deep soils Infiltrate through the waterproof layer of pipe, the outer sheathed one layer of steel netting of thermoplastic tube, it is used for shielding extraneous complex environment electrical interference, then in steel netting The most sheathed one layer of thermoplastic tube, is used for tightening up steel netting and carrying out secondary waterproof infiltration process, then at the sheathed one layer of steel of whole outer wall Netting, this layer of steel netting is that secondary carries out shielding extraneous complex environment electrical interference and protecting thermoplastic tube.
Further, described relay control unit is 485 digital repeaters, described each multinode acceleration transducer unit Become by 8 digital quantity groups of acceleration sensors, the multinode acceleration sensing that every 8 485 digital quantity groups of acceleration sensors become Device unit is controlled by 1 corresponding 485 digital repeater.
Further, during described each acceleration transducer has horizontal plectane sensor unit and vertical plate sensor, control is single Unit, described horizontal plectane sensor unit is sensor core sheet, for mainly measuring chip unit;In described vertical plate sensor Control unit is sensor single-chip microcomputer Zhong Kong center, is substantially carried out controlling collection, the divided difference operation of many sampled datas and storage transmission merit Energy.
Further, described horizontal plectane sensor unit is welded with mems acceleration sensor chip, and this chip is put Level of putting is i.e. vertical with boring direction, utilizes the XY axle of acceleration transducer to measure left and right deformation before and after Rock And Soil, recycling The Z axis of acceleration sensor measures the sedimentation and deformation of Rock And Soil, and controlling element solder in vertical plate sensor has sensor monolithic owner Chip, communication chip and circuit devcie, control unit in horizontal plectane sensor unit and vertical plate sensor links employing 4 weldering Means of spot welds connects.
Further, vertical plate sensor is controlled element solder and have sensor single-chip microcomputer master chip, communication chip and circuit device Part, circuit board is vertical with horizontal plectane and parallel with boring, this plank has four wiring holes be respectively the positive and negative connecting hole of power supply With 485AB communication connection hole.
According to deep displacement multinode measurement apparatus of the present utility model, it is possible to long-term seizure deep displacement deformation measurement, And simple installation is cheap, applicable China's national situation is widely used, and monitoring and early warning for geological disaster are significant.
Accompanying drawing explanation
Fig. 1 is according to unit construction principle figure of the present utility model;
Fig. 2 is to manage schematic diagram according to circuit structure of the present utility model;
Fig. 3 is A portion enlarged drawing in Fig. 1;
Reference: multinode acceleration transducer unit 1,485 digital repeater 2, circuit board fixing bracket 3, sensing Device measurement rigid element pipe 4, flexible connecting member 5, thermoplastic tube and steel netting 6, data acquisition module and data transmission module 7, Data wire 8.
Detailed description of the invention
Below, with reference to accompanying drawing, this utility model is more fully illustrated, shows shown in the drawings of of the present utility model Example embodiment.But, this utility model can be presented as multiple multi-form, is not construed as being confined to describing here Exemplary embodiment.And it is to provide these embodiments, so that this utility model is fully and completely, and by of the present utility model Scope fully conveys to those of ordinary skill in the art.
For ease of explanation, here can use such as " on ", the space relative terms such as D score " left " " right ", be used for Shown in bright figure a element or feature are relative to another element or the relation of feature.It should be understood that except in figure Outside the orientation illustrated, spatial terminology is intended to include device different azimuth in use or operation.Such as, if in figure Device is squeezed, be stated as being positioned at the element of other elements or feature D score will be located into other elements or feature " on ".Cause This, exemplary term D score can comprise upper and lower both orientation.Device can otherwise position (90-degree rotation or be positioned at Other orientation), relatively illustrate used herein of space correspondingly to explain.
With reference to the accompanying drawings 1, shown in Fig. 2, Fig. 3, multinode deep soils system of the present utility model comprises, and multinode adds Speed sensor units 1,485 digital repeater 2, circuit board fixing bracket 3, sensor measurement rigid element pipe 4, flexibly connect Part 5, thermoplastic tube and steel netting 6, data acquisition module and data transmission module 7.
Multinode acceleration transducer unit 1 is 8 485 digital quantity acceleration transducers, and acceleration transducer is divided into water Flat round plate sensor unit and vertical plate sensor are controlled unit.Horizontal plectane sensor unit is sensor core sheet, is main Chip unit to be measured;Controlling unit in vertical plate sensor is sensor single-chip microcomputer Zhong Kong center, mainly controls sensor The functions such as system collection, the divided difference operation of many sampled datas, storage transmission.It is welded with mems acceleration on horizontal plectane sensor unit Sensor chip, and this chip placement level is i.e. vertical with boring direction, utilizes the XY axle of acceleration transducer to measure Rock And Soil Deformation about before and after, the sedimentation and deformation of the Z axis measurement Rock And Soil of recycling acceleration sensor, horizontal circle board diameter is 17.5mm, above in addition to having mems chip body, the cable hole of the most a diameter of 1mm 8;In vertical plate sensor, control is single Unit is welded with sensor single-chip microcomputer master chip, communication chip and circuit devcie, and circuit board is vertical with horizontal plectane and flat with boring OK, this plank there are four wiring holes be respectively the positive and negative connecting hole of power supply, 485AB communication connection hole.Horizontal plectane sensor list Unit and vertical plate sensor are controlled linking of unit and used 4 solder joints to be welded to connect.
485 digital repeaters 2 are acceleration transducer array relay control unit, every 8 485 digital quantity acceleration sensings The multinode acceleration transducer unit 1 of device composition is controlled for relay control unit by 1 485 digital sensor repeater 2 System, relay control unit Main Function is the power on/off time controlling multinode acceleration transducer unit 1, and digital sensing The data acquisition of device.Several 485 digital repeaters 2 coordinate, and control several multinode acceleration transducer units 1, it is ensured that The electric current of supply line can by the gradually switch of unit, electric current is transferred to each acceleration transducer successively until The end of whole string sensor, simultaneously guarantees that 485 buses can use successively, effectively uses 485 bus resources, 485 buses Rationally use successively, do not cause and interfere inside track data.
Circuit board fixing bracket 3 is used to the work of fixing multinode acceleration transducer unit 1 and 485 digital repeater 2 Engineering plastics part, sensor unit 1 and repeater 2 are to be packaged in sensor measurement rigid element pipe 4 as circuit board, in encapsulation Before sensor unit 1 and repeater 2 are fixed on circuit board fixing bracket 3 and then put into sensor measurement rigid element pipe 4 In, it being irrigated in pipe with epoxy glue afterwards, circuit board fixing bracket 3 is in addition to the effect of fixing circuit board, also as ring The load carrying unit that oxygen glue shrinks exists, epoxy glue contraction to be produced during solidification, can be on circuit board and circuit board Device damages, and node acceleration sensor unit 1 and 485 digital repeater 2 is fixed on fixed support 3, fixed support 3 Do contraction load carrying unit, prevent speed sensor units 1 and digital repeater 2 from shrinking injured.
Sensor measurement rigid element pipe 4 be a length of 1m or 0.5m internal diameter be the stainless steel tube of 18mm, this part is Placing the stainless steel tube of protection multinode acceleration transducer unit 1 and 485 digital repeater 2, this unit serves not only as protection It is placed on circuit board unit therein, is also that (the most whole pipe range is measured as unit as the existence of borehole survey unit rigid section Length, measures the deep Rock And Soil bulk deformation situation of pipe range length).
Flexible connecting member 5 is the high-strength rubber tube of inner lining steel silk screen, and there is steel structure connecting member at flexible connecting member about 5 two ends In order to connect sensor measurement rigid element pipe 4, flexible connecting member 5 has certain tension resistance to compression function, but again can simultaneously Enough produce bending, this part be as deep displacement measure energy-absorbing link and exist, this part deep measure during Absorb the displacement of Rock And Soil deformation, so that sensor measurement rigid element pipe 4 is not deformed.
Thermoplastic tube and steel netting 6 are that set invests sensor measurement rigid element pipe 4 and the outside of flexible connecting member 5 outer wall Protected location, first overlaps attached one layer of thermoplastic tube, and this layer of thermoplastic tube is used to prevent hydraulic pressure in deep soils from infiltrating through pipe Waterproof layer, is then overlapping attached one layer of steel netting, and this layer of steel netting is used to shield extraneous complex environment electrical interference, exists the most again The attached one layer of thermoplastic tube of steel netting overcoat, this layer of thermoplastic tube is used to tighten up steel netting and carry out secondary waterproof infiltration process, in addition After like to overlap attached one layer of steel netting at whole outer wall again, this layer of steel netting is that secondary carries out shielding extraneous complex environment electrical interference and right Thermoplastic tube carries out the unit protected.
Data acquisition discharger 7 is to whole multinode acceleration transducer unit 1 and 485 digital repeater 2 are managed and the unit that exists, and its Main Function is to be managed 485 digital junctions 2, thus rationally gather sensor number According to, and sensing data is carried out arrange packing carry out far-end transmission.
Monitoring method of the present utility model is as follows:
1) multinode acceleration transducer unit 1 and 485 digital repeater 2 is fixed on circuit board fixing bracket 3;
2) data wire 8 of multinode acceleration transducer unit 1 and 485 digital repeater 2 is welded, and by data Line 8 is through horizontal plectane sensor unit;
3) said units is installed on sensor measurement rigid element pipe 4 internal;
4) epoxide-resin glue embedding is used to be installed on the multinode acceleration transducer unit measured within rigid element pipe 4 1 and 485 digital repeaters 2;
5) by the two ends of flexible connecting member 5 with multinode acceleration transducer unit 1 and 485 digital repeater is installed The measurement rigid element pipe 4 of 2 is welded to connect two-by-two, by circuit board data wire through flexible connecting member 5 inner chamber before welding;
6) make several above unit, and connect, first carry out data wire connection, then carry out flexible company Fitting 5 is attached with measuring rigid element pipe 4;
7), after having connected whole piece survey line, overlap attached first floor thermoplastic tube, then overlapping attached steel netting;
8) then tighten up steel netting and overlap attached second layer thermoplastic tube and second layer steel netting;
9) now data wire is led to the end of whole measurement equipment;
10) deep soils scene drilling and sink to the PVC of diameter 20mm;
11) by the PVC sinking to boring of whole piece equipment number section by section;
12) the space medium sand between PVC and boring is filled up;
13) data wire of whole piece equipment is attached with data acquisition discharger 7;
14) 3 D deformation of whole boring is gone out according to each sensor measurement data integration out;
15) this equipment division carries out the measurement of large scale, the measurement of the overlength degree of depth according to drilling depth.
Although preferred embodiment of the present utility model being described, to those skilled in the art, exist Without departing from above-described embodiment can be carried out in the case of principle of the present utility model and spirit multiple change, revise, replace and Deformation.

Claims (8)

1. multinode overlength deep soils system based on RS485 bussing technique, it is characterised in that this monitoring system bag Include:
N number of multinode acceleration transducer unit, wherein N > 1;
N number of 485 digital junction control units;
Data acquisition discharger;
By 485 buses, above-mentioned acceleration transducer unit and 485 digital junction control units are attached, to deep drill Each some layer position, position carries out three-dimensional static displacement measurement, and described N number of 485 digital repeaters coordinate the N number of multinode acceleration of control Sensor unit, it is ensured that electric current can be transferred to each by the gradually switch of unit by the electric current of supply line successively Acceleration transducer is until the end of whole string sensor so that 485 buses can use successively.
Deep soils system the most according to claim 1, it is characterised in that described monitoring system also includes:
Circuit board fixing bracket, is used for fixing multinode acceleration transducer unit and relay control unit;
Sensor measurement rigid element pipe, is placed on circuit board unit therein for protection, simultaneously as borehole survey unit Rigid section;
Flexible connecting member, two ends have steel structure connecting member, between adjacent sensor measurement rigid element pipe by flexibility even Fitting connects, and absorbs energy during geological deformation, and protection sensor measurement rigid element pipe does not deforms.
Deep soils system the most according to claim 1 and 2, it is characterised in that described monitoring system also includes:
Outer protection unit, set invests sensor measurement rigid element pipe and the protective layer of flexible connecting member outer wall.
Deep soils system the most according to claim 3, it is characterised in that described outer protection unit has four Layer, one layer of thermoplastic tube, it is used for the waterproof layer preventing hydraulic pressure in deep soils from infiltrating through pipe, the outer sheathed one layer of steel of thermoplastic tube is compiled Net, is used for shielding extraneous complex environment electrical interference, then in the outer sheathed one layer of thermoplastic tube of steel netting, is used for tightening up steel netting and carrying out Secondary waterproof infiltration processes, then in the sheathed one layer of steel netting of whole outer wall, this layer of steel netting is that secondary carries out shielding extraneous complexity Environment electrical interference and thermoplastic tube is protected.
Deep soils system the most according to claim 1 and 2, it is characterised in that described relay control unit is 485 Digital repeater, described each multinode acceleration transducer unit is become by 8 digital quantity groups of acceleration sensors, every 8 485 The multinode acceleration transducer unit that digital quantity groups of acceleration sensors becomes is controlled by 1 corresponding 485 digital repeater System.
Deep soils system the most according to claim 5, it is characterised in that described each acceleration transducer has Controlling unit in horizontal plectane sensor unit and vertical plate sensor, described horizontal plectane sensor unit is sensor chip Plate, for mainly measuring chip unit;Controlling unit in described vertical plate sensor is sensor single-chip microcomputer Zhong Kong center, is substantially carried out Control collection, the divided difference operation of many sampled datas and storage transfer function.
Deep soils system the most according to claim 6, it is characterised in that on described horizontal plectane sensor unit It is welded with mems acceleration sensor chip, and this mems acceleration sensor chip places level, i.e. vertical with boring direction, The XY axle utilizing acceleration transducer measures left and right deformation before and after Rock And Soil, and the Z axis of recycling acceleration sensor measures ground The sedimentation and deformation of body, controlling element solder in vertical plate sensor has sensor single-chip microcomputer master chip, communication chip and circuit devcie, Controlling linking of unit in horizontal plectane sensor unit and vertical plate sensor uses 4 solder joints to be welded to connect.
Deep soils system the most according to claim 7, it is characterised in that control unit in described vertical plate sensor Being welded with sensor single-chip microcomputer master chip, communication chip and circuit devcie, circuit board is vertical with horizontal plectane and parallel with boring, Four wiring holes are had to be respectively the positive and negative connecting hole of power supply and 485AB communication connection hole on this plank.
CN201620419210.9U 2016-05-10 2016-05-10 Multinode overlength deep soils system based on RS485 bussing technique Expired - Fee Related CN205718830U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105758290A (en) * 2016-05-10 2016-07-13 云南省交通规划设计研究院 Multi-node super-long deep part displacement monitoring system based on RS485 bus technology
CN110926392A (en) * 2020-02-20 2020-03-27 杭州鲁尔物联科技有限公司 Landslide displacement monitoring system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105758290A (en) * 2016-05-10 2016-07-13 云南省交通规划设计研究院 Multi-node super-long deep part displacement monitoring system based on RS485 bus technology
CN110926392A (en) * 2020-02-20 2020-03-27 杭州鲁尔物联科技有限公司 Landslide displacement monitoring system
CN110926392B (en) * 2020-02-20 2020-05-22 杭州鲁尔物联科技有限公司 Landslide displacement monitoring system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161123

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