CN108981797A - Monitoring device and method - Google Patents
Monitoring device and method Download PDFInfo
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- CN108981797A CN108981797A CN201810579273.4A CN201810579273A CN108981797A CN 108981797 A CN108981797 A CN 108981797A CN 201810579273 A CN201810579273 A CN 201810579273A CN 108981797 A CN108981797 A CN 108981797A
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Classifications
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- 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
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Emergency Alarm Devices (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of monitoring device and methods.Specifically, the present invention relates to the device and method of the condition in monitoring ground or fabric structure.In one aspect of the invention, provide a kind of monitoring modular, it includes the processing unit for being electrically connected to the first line of sensor, the first line of the sensor includes multiple Inertial Measurement Units (IMU), and the multiple Inertial Measurement Unit is adapted to determine that the profile of the structure of the length of the first line along sensor.
Description
Technical field
The present invention relates to a kind of monitoring device and methods.Specifically, the present invention relates to monitoring ground or buildings
The device and method of condition in structure.
Background technique
Sensor is placed in ground or building structure or infrastructure, to monitor certain parameters, such as vibration, Ren Hewei
Shifting or inclination, the presence of water, ground pressure, noise level, temperature, gas content and chemical property etc..
This is especially important for the construction site for operating soil, all so as to any parameter beyond acceptable threshold value
It can be warned and take corrective action the property or life to prevent damage peripheral region.In many cities, traffic, communication or
Utility tunnel quantity is more and more.Therefore, it is necessary to constantly monitor the surface condition of construction site.
In remote districts, especially mountain area, it is thus necessary to determine that in bad weather or during may cause the earthquake of landslide
When ground motion is had occurred.
It can be used for measuring these parameters there are many sensor.But the area that each sensor occupies is very big, can only measure
One parameter.In addition, the underground survey and on-ground measurement sensor for building and infrastructure are also different.
In addition, being usually accomplished manually the inclined measurement of soil.For example, drilling out single hole on the ground first, and will be single
Sensor is put into the ground inclination detected at various predetermined depths in hole --- difference must be obtained at each predetermined depth
Reading and manually recorded.Distribution cannot be used for detecting or monitoring other parameters for detecting the inclined single hole of soil, such as
Water, temperature, soil chemical properties etc..As a result, multiple holes must be drilled out on the ground to measure each parameter.This be the time and
It is labor-intensive, and be severely limited due to suitably to place numerous holes.
The different direction (vertical, horizontal and inclination) of instrument needs to select the mechanical movement type of probe.In measurement shell
After the inclination at top (ground), it is necessary to converted measurement data.Under manual system, technical staff will be manually by measurement probe decline
Until predetermined depth, while being suspended with conventional depth interval to record measurement data.Then technical staff will have to be another
A axial direction repeats the process.Probe is reduced to required depth using machine by automated system.In any system, hole needs
Idle state is kept, so that probe passes through entire measurement length, therefore other instruments cannot be used in same hole.
In addition, existing apparatus cannot achieve the vibration measurement of tight spacing.Because of identical reason: the length of drilling is necessary
It keeps clear without hindrance, it is necessary for measuring soil and water pressure, temperature, the sensor of soil chemistry condition (such as pH and salinity)
It is mounted in the drilling different from soil inclination measurement.These sensors also need that sensor is prevented to be installed together different
Boundary and contact conditions.Therefore, every kind of instrument type requires a drilling.Therefore, existing measuring device is not only time-consuming but also takes
Power, and need to utilize multiple instruments individually to drill.
Some monitoring devices include sensor at the tip of drill bit, in this way when these sensors pierce ground by bit point of the drill
When face, it can obtain and read in the different depth on ground.But as to pierce underground deeper for these sensors, do not withdrawing from brill
In the case where head, the reading of slight depth can not be obtained.
Similar measurement parameter, such as inclination, vibration, pressure and chemical property also can be applied to building and infrastructure
Surface condition.In above-mentioned surface condition, it is also possible to need noise level and atmospheric conditions measurement data and sensor.But
It is that current sensor and associated component are normally compatible with.
It, can be than conventional apparatus and system faster, more therefore, it is necessary to a kind of improved integrated monitoring device and system
It easily measures these parameters and occupies less space.
Summary of the invention
According to the first aspect of the invention, a kind of monitoring modular is provided comprising be electrically connected to the First Line of sensor
The processing unit on road, the first line of the sensor include multiple Inertial Measurement Units (IMU), and multiple Inertial Measurement Units are suitable
In the profile of the structure for the length for determining the first line along sensor.
Preferably, the first line of sensor is arranged along elongated and/or flexible base board.Term " substrate " may include
IMU can pass through adherency or the attachment of other known methods or any support construction being deposited thereon or surface.This makes sensor
First line can be bent and be moved together with ground, to detect small and big ground motion.
There can be the IMU of the length arrangement of any appropriate number of first line along sensor, that is, the of sensor
One route can have any suitable length.
In various embodiments, each IMU is electrically connected to processing unit.Processing unit may include power supply and be suitable for will be from
The data that IMU is obtained are sent to the transmitter of control cabinet.Processing unit helps to prevent dropout or weak.
Preferably, the first line of sensor may include any number of sensor (IMU), such as 1, and 2,3,4,5 etc.
Deng.In various embodiments, the first line of sensor may include up to 160 equally spaced Inertial Measurement Units.This permits
Perhaps curved profile more accurately measures the movement on IMU and ground.Each Inertial Measurement Unit can be at a distance of 0.5 meter (i.e. 0.5 meter
Spacing).The length of substrate can be 8 meters or smaller, but it can have any suitable length.In various embodiments, base
The length of plate can be up to 80 meters.The first line of sensor can be placed in the drilling on ground, and be perfused the first of sensor
Space around route.Advantageously, this flexibility allows the first line of sensor to move with any ground motion, and
It does not need the intervention of user or is physically present." structure " refers to including on the ground or ground or building structure of ground or ground
In structure, such as tunnel and cave.Equally, the surface on ground includes the surface of structure.Therefore, this is to say, by " profile ",
It is meant that in ground, form, shape or the shape of drilling on the surface on ground or on the surface of building structure (especially
Rectilinear form).As there is any movement in fruit structure, then the movement occurred in the profile of the route of sensor and structure is corresponding.
Preferably, multiple Inertial Measurement Units are connected in series.
Preferably, processing unit is also connected electrically to the second route of sensor.Second route of sensor includes at least one
A be selected from includes combined sensor below: hydraulic pressure sensor, pore water pressure sensor, pH sensor, sound levels inspection
Survey device, gas sensor, salinity sensor and temperature sensor.Advantageously, these sensors are usually digital sensor.Simulation
Sensor can also be used together with analog-digital converter (ADC).Second route of sensor provides related ground and edaphic condition
Additional information, with supplement IMU offer information, and can as integrated sensor probe deployment in single hole, thus
Reduce time and manpower needed for obtaining identical amount sensor data.
Preferably, processing unit includes: (a) power supply；(b) for sending the transmitter of the data obtained from sensor.
Data are transferred to central processing unit or control cabinet (being explained in detail below).
Preferably, the first and second routes of sensor are each received in shell.Each route of sensor may have
The shell of oneself or shared shell.
In the second aspect of the present invention, a kind of monitoring device is provided comprising more than two according to the present invention first
The monitoring modular of aspect.
Preferably, each module is serially connected.
Preferably, more than two monitoring modulars are electrically connected to control cabinet, and control cabinet includes GPS module.Control cabinet further includes
Power supply, power supply are fuel cell or solar battery.This, which makes monitoring device can be used for power supply, may be not easy to occur
Remote districts and being capable of self―sustaining.
Preferably, which further includes the ground line for being electrically connected to the sensor of control cabinet, is arranged in be monitored
On ground or the surface of structure.The ground line of sensor includes passing from including hydraulic pressure sensor, pore water pressure sensor, pH
Sensor, sound levels detector, gas sensor, salinity sensor and temperature sensor combination at least one biography for selecting
Sensor.The ground line of sensor allows on-ground measurement to carry out simultaneously with underground survey.
In the third aspect of the invention, a kind of monitoring system is provided comprising: (a) at least one is according to the present invention
First aspect monitoring modular or at least one device according to the second aspect of the invention；And center cell, wherein
Center cell includes the communication module for sending and receiving data from least one monitoring modular or from least one device.
Preferably, monitoring system includes as between at least one monitoring modular or at least one device and center cell
The collector units of intermediary.
In the fourth aspect of the invention, provide a kind of method for monitoring, the method includes from least one
Monitoring modular according to the first aspect of the invention or at least one device according to the second aspect of the invention obtain data；With
And the position of each Inertial Measurement Unit relative to each other is determined to determine the profile of the first line of sensor.
Preferably, obtaining data is based on timetable, by event triggering, or according to the request of user.The thing
Part may be to reach preset Alert Level.
The embodiment of the present invention allows synchronous, accurate and delicately multimetering ground motion.Pass through each IMU phase of determination
For the position of (i.e. other IMU) each other, the profile of the first line of sensor can be determined.Therefore, by monitoring sensor
First line profile, user can determine in ground or structure with the presence or absence of movement, so as to be examined in early stage
Measure any ground or structure motion.The sensitivity and distance of monitoring modular and device covering can be by increasing IMU and/or mould
The quantity of block adjusts.Flexibility, low-power consumption and the module of monitoring modular and device be dimensioned to be deployed in it is each
Place, to monitor different types of surface condition or structure.
Detailed description of the invention
In order to enable the invention to be well understood and be easy to try out, will only describe by way of non-limiting example now
The preferred embodiment of the present invention, the description is referring to appended illustrative embodiments.
In figure:
Fig. 1 is the schematic diagram of device and system according to an embodiment of the present invention；
Fig. 2 is the schematic diagram of a part of monitoring system according to an embodiment of the present invention；
Fig. 3 is the schematic diagram of monitoring device according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of monitoring modular according to an embodiment of the present invention；
Fig. 5 A-5D is the schematic diagram of the embodiment of the present invention being deployed in ground.
Specific embodiment
In fig. 1 it is shown that the system according to an embodiment of the present invention for monitoring the condition in ground or fabric structure
System 5.Such condition may include any movement, presence of water etc..
In system 5, comprising: at least one monitoring device 10 or at least one monitoring modular 15 are inserted into ground or peace
On fabric structure；And center cell (or user terminal) 30.Center cell 30 includes coming from for sending and receiving
The communication module of the data of at least one monitoring modular 15 or monitoring device 10.The transmission of data can pass through wired or wireless side
Formula (for example, Wi-Fi or low-power wide area network).Center cell 30 should be configured as compiling and handling from monitoring device 10 or
The data of monitoring modular 15.System 5 may further include collector units 25, be transferred to center cell 30 (Fig. 1) it
(i.e. collector units 25 serve as monitoring modular 15 or device to the range of preceding data and/or expansion system 5 of the compiling from device 10
Intermediary between 10 and center cell 30).When carrying out monitor large-area using multiple monitoring devices 10, this may be particularly useful.
Multiple collector units 25 can be used for covering large area or distance.Cloud 35 (i.e. network server) can be provided to serve as aggregation
Link (Fig. 2) between device device 25 and center cell 30.Server 35 or collector units 25 are also used as backup storage
Device.
Collector units 25 may include communication module 40, serial data interface 45 and processor 50.Collector units 25
Serve as the intermediary between one or more monitoring devices 10 and center cell 30.Communication module 40 should allow each in system 5
The wireless transmission of data between a unit, the example of communication module 40 include Wi-Fi module and low-power wide area network (WAN) mould
Block.Center cell 30 and 35 (if present) of server will also have communication module 40.
Device 10 includes multiple sensors 17 and control cabinet 20.Therefore, in an individual monitoring device 10, Ke Yi
Multiple parameters are measured in ground or fabric structure.
In one embodiment, each monitoring modular 15 includes the processing list for being electrically connected to the first line 18 of sensor 17
First 16 (or sensor hubs), sensor 17 include multiple Inertial Measurement Units (IMU) 65 as shown in Figure 4.IMU 65 can
To be electrically connected in a series arrangement.
In one embodiment, IMU 65 can be by adherency or other known methods along elongated and/or flexible base board
Arrange or be attached to elongated and/or flexible base board.This allows IMU 65 and monitoring modular 15 to transport with the ground of surrounding or structure
It moves and moves and be bent.For example, flexible-belt, particularly flexible circuit board, provide accurate and constant measurement.Flexible plastic substrates
Example include polyimides, polyether-ether-ketone (PEEK) and polyester.As will be explained in more detail below, flexible base board can be with
The mounted or profile for being attached to any structure or building or surface are with monitoring parameters.Substrate should have enough elasticity to hold
By a degree of bending and movement.Substrate may be used to provide physics trunk to be attached multiple IMU 65.Processing unit 16 can
To be attached to flexible base board or individually attachment.This enables monitoring modular 15 and device 10 quickly to assemble and dispose.Example
Such as, monitoring modular 15 or device 10 can be placed directly in drilling and backfill (or allow surface collapse into drilling) with
Remote deployment module 15 or device 10.Module 15 or device 10 can stay in further intervention of the original place without user to allow
Ground is continuously monitored.User no longer needs to participate in measurement surface condition in person.
The shell for being inserted into drilling, such as lid, sheath or flexible tubular pipe can be provided with closed substrate.
In one embodiment, IMU can be set in tubular bulb along the flexible base board that its length is disposed thereon
In portion's cavity.Flexible base board can be attached or mounted on substantially rigid trunk.Flexible base board and trunk are arranged in together
In the internal cavities of tubular bulb.For ease of description, it can be assumed that flexible base board includes and the attachment of rigid trunk.In the implementation
In example, tubular bulb is rigid and can have scheduled length.Flexible base board is arranged in pipe along its longitudinal length, so that
It hangs inside it, i.e., does not contact with the inner surface of pipe.Suspension is realized by any mode known to technical staff.One
In a embodiment, flexible base board is attached to the inner surface of pipe by attachment device.There can be any amount of attachment device, and
Attachment device can be any spring, rope, line or the like.In one embodiment, three springs extend from the inner wall of pipe
Center inside to pipe.Three spring intervals are equal, their length forms the radius of pipe, and wherein flexible base board meets in spring
The center at place is attached to spring.Allow flexible base board along the center suspension or suspension inside pipe.
There can be any amount of pipe to arrange one another end-to-end along the length of drilling.The end of pipe can pass through this
Any mode known to the technical staff of field is attached to each other or adheres to, for example, allowing pipe relative to series connection by ball-and-socket joint
Adjacent tubes movement.Flexible base board is along concatenated pipe continuous operation.In each joint, rigidity that flexible base board is connected to
Trunk can be connected to adjacent rigid trunk by ball-and-socket joint.In various embodiments, the length of each rigid trunk can
To be about 0.5 meter.In the joint that two pipes connect, ball-and-socket joint can be formed on flexible substrates, so that working as concatenated pipe
When being movable with respect to each other, position of the flexible base board inside tube hub can be kept, i.e. flexible base board is also consistently transported with pipe
It is dynamic.
In this way, for ease of description, shell of the invention may include concatenated tubular bulb, their cloth end to end
It sets, and flexible base board is arranged in the central interior of pipe.Each rigid pipe can have the same length, so as to calculate
Relative moment between each IMU.
After inserting the housing into drilling, drilling then can be with filling soil, to allow monitoring modular 15 with bigger
Sensitivity moves together with surrounding soil, especially when soil movement is unbalanced.
Each monitoring modular 15 may include an appropriate number of IMU 65, these IMU 65 with arranged for interval appropriate with across
The more whole length of substrate.Inertial Measurement Unit 65 includes gyroscope, accelerometer and optional magnetometer, magnetometer reference
Such as the magnetic field in earth magnetic field.Particularly, accelerometer and gyroscope can be respectively with three-dimensional or three-axis measurements.IMU 65 is measured
And report following parameter: utilizing the combination of accelerometer and gyroscope, the certain force of ontology, angular speed；And when there are magnetic force
Timing, the magnetic field around ontology.The combination of three axis accelerometer and three-axis gyroscope generates the data of six-freedom degree.Three axis magnetic
Power meter can provide three additional freedom degrees.By integrating the data from various parts, IMU 65 can determine IMU 65
Position relative to other IMU 65.Thus may determine that the profile of the first line 18 of sensor and graphically drawing
The position of IMU 65, such as IMU 65 is relative to its home position or relative to the relative position of time.Thus may determine that IMU
65 and sensor first line 18 relative motion.Since the movement of IMU 65 and the ground motion of surrounding are related, so can
The ground motion of surrounding is determined to use monitoring modular 15.
In various embodiments, each IMU is electrically connected or coupled to processing unit.Processing unit may include power supply and fit
In the transmitter for sending the data obtained from IMU to control cabinet.The data collected from each IMU can be transferred to positioned at ground
Or control cabinet elsewhere.Advantageously, the waterproof for the IMU that this configuration makes insertion drill is more cost effective.By with not
Permeable material package each IMU realizes waterproof.Connection quantity minimum is advantageous, because connection is more, water immerses
A possibility that it is bigger.Therefore, by encapsulating using processing unit and IMU as individual unit, multiple this units can be easy
It puts together to form the route of the sensor of waterproof on ground.With one IMU of encapsulation compared with its application specific processor, package handler
It will be difficult and expensive with concatenated IMU.The configuration of " processor and an IMU " also forms easily fabricated module,
The module can be attached to other such units in order to manufacture and install.
The length of the first line 18 along sensor is allowed to measure multiple points simultaneously with true using concatenated multiple IMU 65
Determine the profile of the first line 18 of sensor.This allows to detect the fortune of the ground at the difference along the first line 18 of sensor
It is dynamic, and work as the soil at different depth with different rate motions to will not notice soil before generation is badly damaged
It is particularly useful when movement.Flexible base board provides additional limitation to the movement of IMU 65 and monitoring modular 15, allows to surface condition
Carry out continuous multimetering.
Fig. 5 schematically shows the monitoring modular 15 of the IMU 65 with different number, these IMU65 are transported due to ground
It moves and is in various positions after displacement.For example, in Fig. 5 A-5C, respectively illustrate one in monitoring modular 15,
Two and three IMU 65, wherein dotted line shows previous position of the IMU 65 in first time insertion drilling.In sensor
Allowed in first line 18 using multiple IMU 65 while detecting the ground motion in same drilling at different depth.Pass through determination
Position of each IMU 65 in monitoring modular 15, can determine the profile of the first line 18 of sensor.By monitoring IMU
65 and sensor first line 18 profile, therefore can detecte and what ground motion taken office.This can be by drawing or calculating
The entire first line 18 of the movement of each IMU 65 and the sensor in monitoring modular 15 is realized.Fig. 5 B and 5C, which are shown, to be made
How to be allowed to measure soil movement condition in different vertical depths with multiple IMU 65.Particularly, using at least three IMU
65 allow to draw curve to more accurately determine ground motion.The use of more IMU 65 allows more accurately to draw the wheel of curve
Exterior feature, in other words, monitoring modular 15 provide higher sensitivity and resolution ratio in the measurements.This can be by each monitoring mould
Device as shown in Figure 5 D is formed with more IMU 65 or series-connection monitoring module 15 in block 15 to realize.Flexible base
Plate limits the relative motion of IMU 65 relative to each other, and it is more controllable and smart to allow the movement to IMU 65 and ground to carry out
True monitoring.Since IMU 65 is measured in three dimensions, so this can be applied similarly to the monitoring of horizontal direction.Cause
This, the movement of the line or curve of drafting can be determined continuously and monitor.This is impossible for existing apparatus.
In one embodiment, IMU 65 can be placed at regular intervals, such as 0.5 meter or 1 meter.Between 0.5 meter
Every and use ten and 20 IMU 65, the distance of five meters and ten meters can be covered with a monitoring modular 15 respectively.It is logical
The spacing and quantity for changing IMU 65 are crossed, different distances can be therefore covered.Although it provides simpler data analysis,
But interval also needs not be rule.But the distance of covering is bigger, the loss of signal is more significant, thus the accuracy of data
It reduces.In one embodiment, the optimum distance of each flexible-belt will be ten meters or smaller.In another embodiment, most preferably
Distance is eight meters eight meters or smaller.
In order to measure deeper depth in bigger length or ground, multiple monitoring modulars 15 can be connected and be attached, such as
Shown in Fig. 3 and 5D, to form monitoring device 10.First monitoring modular 15 has the first line 18 of IMU65, the first monitoring modular
15 are connected to the second monitoring modular 15 at the last one IMU 65 of first line 18.Which increase the measurements of monitoring device 10
Distance, and allow the distance or depth more much bigger than the possible distance of single monitoring modular 15 or depth.For example, if each prison
It surveys module 15 and at most measures five, eight, ten, 20 meters or longer distance, then can combine 20 monitoring modulars 15 to incite somebody to action
Measurement distance extends to hundred meters, while keeping signal strength and accuracy.
The quantity of IMU 65 and interval can change according to the surface condition and depth to be investigated.It may need given zone
The IMU 65 of higher concentration class in domain or drilling (by accelerating and/or reducing interval).
Monitoring modular 15 can also include the second route 19 for being electrically connected to the sensor of processing unit 16.The of sensor
Two routes 19 can be from including either one or two of selecting in combination below: hydraulic pressure sensor, pore water pressure sensor, pH are passed
Sensor, sound levels detector, gas sensor, salinity sensor and temperature sensor.Work is varied with temperature by current potential
The example of the temperature sensor of work includes thermocouple and silicon band gap temperature sensor.The example of gas sensor includes oxygen sensor
Device, carbon monoxide transducer and carbon dioxide sensor.This allows to measure additional parameter, such as pore water pressure, pH value, gas
Presence, temperature etc., this supplements the information that is provided by IMU 65.
It especially include that hydraulic pressure sensor or pore water pressure sensor will be advantageous, because hydraulic pressure has with underground water content
It closes.A certain amount of water increases the intensity of soil, because the surface tension between water and solid particle is tended to keep particle
In situ.However, the separation between particle increases, so that CONTACT WITH FRICTION and power between particle when water further increases
Reduce or disappear, and soil becomes liquid or fluid (i.e. ground softening and sinking with higher or transfer in nature
Tendency).Therefore, additional hydraulic pressure or pore water pressure data can be best understood from edaphic condition, and can provide liquid soil
The early warning signal of change.
Using pH sensor, gas sensor, salinity sensor and/or temperature sensor can facilitate work-up plant
Edaphic condition is to ensure that plant can well grow.This may be useful to agricultural or when vegetation is used to stable soil condition.
Second route 19 of sensor can be contained in shell separate or identical with the first line 18 of sensor.
Second route 19 of sensor is usually contact type sensor, and sensor needs to be physically contacted surrounding soil or ground to measure ginseng
Number.Advantageously, the second route 19 permission of sensor monitors these parameters in identical drilling, without boring another brill
Hole.
The processing unit 16 of monitoring modular 15 can also include: data collector 70, send out for receiving data and by data
It is sent to control cabinet 20；Electric power converter 77；With the embeded processor 55 with signal processing.Power supply line (such as two power supplys
Line) electric power converter 77 and power module 75 of control cabinet 20 are connected, to provide electric power to one or more monitoring modulars 15.
Some interface types can be provided to allow sensor 17 (from first line 18 and/or the second route 19) to processing
The connection of unit 16.Can be provided to adapt to the example of the interface type of different sensors type includes I2C 85, UART 90
With ADC 95.In one example, at least one port of every kind of interface type is provided.In another example, every kind of interface
There are two ports for type.It is apparent that the quantity and interface type of port to be used can be according to required sensors 17
Number amount and type are adjusted.Processor 55 and compatibility interface type allow sensor identified by its characteristic signal.
Internal integrated circuit 85 (I2C) be it is a kind of it is more main, mostly from, packet switch, single-ended, serial computer bus.It is logical
The processor and microcontroller for being usually used in for low-speed peripheral integrated circuit (IC) being connected to short distance, communicating in plate.
Universal asynchronous receiver/transmitter 90 (UART) is the computer hardware device for asynchronous serial communication, wherein
Data format and transmission speed are configurable.Electrical signal levels and method (such as differential signal etc.) by UART 90 outside
Drive circuit processing.
Analogue-to-digital converters 95 (ADC) are the systems for converting analog signals into digital signal.ADC95 can also be mentioned
For input analog voltage or electric current to be such as converted into the electronic device of the digital numerical value proportional to the size of voltage or electric current
Isolation measurement.This allows number and analog sensor to be used together with the embodiments herein, if digital sensor is used only,
ADC 95 can then not needed.
Monitoring device 10 includes the monitoring modular 10 described in two or more.Monitoring modular 10 can be one another in series and be electrically connected
It connects, and can also include control cabinet 20.Each monitoring modular 10 in device includes the first line of sensor, sensor
First line includes at least one IMU 65.Each monitoring modular 15 can be with multiple monitoring modulars 15 of an IMU 65
Mode identical with having the monitoring modular of multiple IMU 65 in the first line 18 of sensor works.
Control cabinet 20 includes: processor 55；Data collector 70 is used between control cabinet 20 and monitoring modular 15, excellent
Selection of land is received by physical link such as data/address bus (two data buses can be used for effective data and transmit) and transmission data；
Power supply 80；And communication module 40, the data for collecting monitoring device 10 are transmitted to center cell 30, collector units 25
Or server 35.
Control cabinet 20 can also include: data storage cell 72；And/or GPS module 60 (with the coordinate of determining device 10).
Data storage cell 72 allows the store sensor data before being transferred to center cell 30 of device 10, this is at device 10 and center
Have between unit 30 particularly useful in the case where communication failure.GPS module 60 provides monitoring device 10, control cabinet 20 and monitoring mould
The position reference of block 15.GPS module 60 can permit device 10 and identify its position and be used as identification device.
Communication module 40 can also allow for device 10 to receive from collector units 25, server 35 or center cell 30
Communication, such as confirmation data have been successfully transmitted.When memory capacity is full, this will allow the internal affairs of data storage cell 72 to handle.
User-defined Alert Level and monitoring frequency can also be transferred to control cabinet 20 from user terminal 30 or server 35.
Power supply 80 can be any suitable power supply, such as feeder cable, on-site generated power machine, fuel cell and solar-electricity
Pond.The use of solar battery or fuel cell will be particularly useful to remote monitoring device 10 and self―sustaining, long-range to monitor
Electric power may be not easy to obtain in device 10.Therefore device 10 can be disposed and not need periodic maintenance to run.
Control cabinet 20 further includes power module 75, which preferably utilizes via feed cable and distribute electric energy
To module 15 or sensor 17.Processor 55 is the embeded processor for handling sensing data.After receiving data, signal
Control cabinet can be sent back with designation date transmission success, and allow control cabinet to remove when needed and stored on its plate.Data can be with
Suitable engineering unit is converted to, to present on the table and chart of center cell 30.
Control cabinet 20 may further include the ground line 21 for being electrically connected to the sensor of control cabinet 20.The ground of sensor
Upper thread road 21 is arranged on the surface on ground or structure to be monitored.For example, if monitoring device 10 is placed in the borehole,
The ground line of sensor can be placed on the ground to measure the condition on ground or more.The ground line 21 of sensor can be mended
Fill the first line 18 and/or the second route 19 of sensor, or the parameter that measurement is different.The ground line 21 of sensor includes
From including Inertial Measurement Unit (IMU) 65, hydraulic pressure sensor, pore water pressure sensor, sound levels detector, pH sensing
Device, the one or more sensors 17 selected in the group of salinity sensor, gas sensor and temperature sensor.By current potential with
Temperature change and the example of temperature sensor to work includes thermocouple and silicon band gap temperature sensor.The example of gas sensor
Including oxygen sensor, carbon monoxide transducer and carbon dioxide sensor.The ground line 21 of sensor and the second route 19
Can be identical, it can not also be identical.Control cabinet 20 can also include one or more ports of various interface types, for connecting
The ground line 21 of sensor.
Control cabinet 20 can individually dispose and without for above-mentioned ground survey monitoring modular 15 or in the soil
Monitoring modular 15 for measuring soil parameters is disposed together.Control cabinet 20 on ground or can be partially placed at ground
In, so that at least GPS module 60 and solar battery (if present) are exposed.
The first line 18 of sensor, the second route 19 and ground line 21 can be programmed to the request according to user,
Data periodically are sent to control cabinet 20 when being triggered from event or based on timetable.
Timetable and threshold level can be by user settings, and can according to need and be adjusted by control cabinet 20.
For example, sensor 17 and IMU 65 can be per minute, it is equal per hour to transmit data.After the data for checking transmission, Yong Huke
It can wish to increase or decrease monitoring frequency or threshold level.The adjustment can be optionally via collector units 25 and communication module
40 are sent to device 10 from user terminal 30.
When the event triggers, data can also be sent to center cell 30.It can be (such as the IMU of particular sensor 17
Or the user-defined Alert Level of parameter setting 65).For example, when IMU 65 detects the acceleration that may indicate that ground motion event
When degree increases sharply suddenly.Alarm can be preset according to the grade of user, legal requirements or definition of industry.It is more than in sensor detection
When user-defined Alert Level, particular sensor 17 by sensing data or alarm signal transport to processing unit 16 and/or
Control cabinet 20, this can cause the request of sensing data to be sent to all biographies in monitoring modular 15 or monitoring device 10 again
Sensor.Sensing data is then forwarded to center cell 30, or sends alarm to cause the attention of user.Advantageously,
This make power using minimize and allow monitoring device 10 or module 15 it is many place for different purposes.
Similarly, control cabinet 20 can periodically pass when in the presence of data are not transmitted and/or when user terminal calling
Send sensing data to collector units 25 and/or center cell 30 etc..The transmission frequency of sensor 17 and control cabinet 20 can
With identical or different, to allow effective operation of whole device 10 and system 5.User can also request to come from from center cell 30
The sensing data of particular sensor 17, module 15 or device 10.
In addition, after polymerizer device 25 and/or 30 Successful transmissions of center cell and receiving sensor data, signal quilt
It is successfully, so that it is single to allow control cabinet 20 to remove the storage of its data as needed that control cabinet 20, which is sent back, with designation date transmission
Member 72.Data are then converted to suitable engineering unit at center cell 30.
Monitoring system 5 can by from least one monitoring modular 15 or at least one monitoring device 10 obtain data and
Determine that the position of IMU 65 relative to each other is operated to determine the profile of the first line 18 of sensor.The position of IMU can be with
Draw or calculate relative to home position or time, so as to identify by monitoring system detection to any movement.If using more
A IMU 65 can then obtain line or curve graph, provide the more Precise Representation of the movement on IMU 65 and ground, especially work as
When IMU is arranged on flexible substrates.This permission user studies the movement degree of different depth or above ground portion in more detail.
Monitoring modular 15 and device 10 can be placed in any direction (including vertically and horizontally) to measure and supervise
The movement of geodetic face or structure.Flexible base board allows monitoring modular 15 or device 10 to meet the shape of structure and move in IMU 65
For more accurate and sensitive measurement after position.Therefore, monitoring modular 15 and device 10 can be used in ground, drilling, underground knot
Structure such as tunnel, mine, in cave and superstructure.Monitoring modular 15 and device 10 can be used for the length along tunnel or cave
(i.e. vertical direction) monitoring in (i.e. horizontal direction) and insertion drilling.
By change IMU 65 quantity and the interval between them, adjustable sensor first line 18 (and because
This monitoring modular 15) sensitivity and resolution ratio to allow to measure small and big ground motion.This point is critically important, because it
It can detecte the beginning of ground motion, so as to carry out recondition to prevent or reduce further ground motion, simultaneously
It can also detect big ground motion.
The flexibility of monitoring modular 15 and device allows to for building and other structures.This point is extremely important,
Because being built more than underground and earth's surface in more and more cities and building up fast speed.Monitoring modular 15 and device 10 allow to supervise
Various structures are surveyed, because it all has flexibility physically and in terms of selecting sensor 17 to be used.
Monitoring modular 15 described herein is surveyed with synchronous, the accurate and sensitive multiple spot that device 10 can be used for ground motion
Amount, especially in one borehole.Monitoring modular 15 and device 10 can be placed in place, and it is regular not need user
Maintenance is intervened to function.It, can be with by determining the profile of the relative position of IMU 65 and the first line 18 of sensor
Detect the movement in ground or structure in early stage, without user intervention or be physically present.It can be by increasing IMU
65 and/or the quantity of module 10 adjust the sensitivity and distance that monitoring modular 15 and device 10 are covered.
The present invention includes any combination or sub-portfolio of any embodiment or example disclosed herein, be such as intended to by
Appended claims are construed in the range of include the embodiment in true spirit and discussion all modifications, displacement, addition and
Sub-portfolio.
Although the preferred embodiment of the present invention has been described in description in front, those skilled in the art will
Understand, without departing from the present invention, many variations or modification can be carried out to the details of design or construction.
Claims (21)
1. a kind of monitoring modular, which is characterized in that it includes the processing unit being electrically connected with the first line of sensor；The biography
The first line of sensor includes multiple Inertial Measurement Units, and is adapted to determine that the length of the first line along the sensor
Ground or the drilling in structure profile.
2. monitoring modular according to claim 1, wherein each Inertial Measurement Unit is electrically connected to processing unit, described
Processing unit includes: (a) power supply；(b) transmitter is suitable for sending control cabinet for the data obtained from Inertial Measurement Unit.
3. module according to claim 1 or 2, wherein multiple Inertial Measurement Units are arranged along flexible base board.
4. module according to any one of the preceding claims, wherein the first line of the sensor include 16 or
Less equally spaced Inertial Measurement Unit.
5. module according to any one of the preceding claims, wherein each Inertial Measurement Unit is at a distance of 0.5 meter.
6. module according to any one of the preceding claims, wherein the length of band is 8 meters or smaller.
7. module according to any one of the preceding claims, wherein the Inertial Measurement Unit is connected in series.
8. module according to any one of the preceding claims, the monitoring modular further includes first with the sensor
Second route of the sensor of lines in parallel connection.
9. module according to claim 7, wherein the second route of the sensor includes from including in combination below
At least one sensor of selection: hydraulic pressure sensor, pore water pressure sensor, pH sensor, sound levels detector, gas
Sensor, salinity sensor and temperature sensor.
10. module according to any one of the preceding claims, wherein the first line of the sensor and the sensing
Second route of device is respectively received in shell.
11. a kind of monitoring device, which is characterized in that it includes more than two according to any one of claim 1 to 10
Monitoring modular.
12. device according to claim 11, wherein each module is serially connected.
13. device according to claim 11 or 12, described device includes being electrically connected to more than two monitoring modulars
Control cabinet, wherein the control cabinet includes GPS module.
14. device according to claim 13, wherein the control cabinet further includes power supply, and the power supply is fuel cell
Or solar battery.
15. device described in any one of 1 to 14 according to claim 1, described device further includes being electrically connected with the control cabinet
Sensor ground line, the ground line of the sensor is arranged on the surface on ground or structure to be monitored.
16. device according to claim 15, wherein the ground line of the sensor includes from including combination below
At least one sensor of middle selection: hydraulic pressure sensor, pore water pressure sensor, pH sensor, sound levels detector, gas
Body sensor, salinity sensor and temperature sensor.
17. a kind of monitoring system, characterized in that it comprises:
(a) at least one monitoring modular according to any one of claim 1 to 10 or at least one wanted according to right
Device described in asking any one of 11 to 16；With
(b) center cell,
Wherein, the center cell include for from monitoring modular described at least one or from least one described device receive and
Send the communication module of data.
18. monitoring system according to claim 16, the monitoring system includes collector units, wherein the collector
Device is used as the intermediary between at least one described monitoring modular or at least one described device and the center cell.
19. a kind of method for monitoring, which is characterized in that the described method includes:
(a) from least one monitoring modular according to any one of claim 1 to 10 or at least one wanted according to right
Device described in asking any one of 11 to 16 obtains data；With
(b) determine the position of each Inertial Measurement Unit relative to each other with the profile of the first line of the determination sensor.
20. according to the method for claim 19, wherein obtaining the data is to be triggered based on timetable by event,
Or according to the request of user.
21. a kind of mould substantially as described in any of reference example above or any one attached drawing for monitoring
Block, system or method.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG10201704580S | 2017-06-05 | ||
| SG10201704580SA SG10201704580SA (en) | 2017-06-05 | 2017-06-05 | Monitoring device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108981797A true CN108981797A (en) | 2018-12-11 |
Family
ID=64540920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810579273.4A Pending CN108981797A (en) | 2017-06-05 | 2018-06-05 | Monitoring device and method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108981797A (en) |
| MY (1) | MY202400A (en) |
| SG (1) | SG10201704580SA (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309942A (en) * | 2020-01-22 | 2020-06-19 | 清华大学 | Data acquisition method, device and system for construction site |
| CN111409957A (en) * | 2020-03-20 | 2020-07-14 | 赵媛 | Digital product storage box capable of preventing high-temperature damage through self-monitoring |
| CN113454433A (en) * | 2018-12-21 | 2021-09-28 | 赛菲斯特弗雷结构技术责任有限公司 | Sensor device for monitoring a structural element, clamping element, inspection unit and method for constructing the sensor device |
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| CN111309942A (en) * | 2020-01-22 | 2020-06-19 | 清华大学 | Data acquisition method, device and system for construction site |
| CN111309942B (en) * | 2020-01-22 | 2020-11-24 | 清华大学 | Data acquisition method, device and system for construction site |
| CN111409957A (en) * | 2020-03-20 | 2020-07-14 | 赵媛 | Digital product storage box capable of preventing high-temperature damage through self-monitoring |
Also Published As
| Publication number | Publication date |
|---|---|
| SG10201704580SA (en) | 2019-01-30 |
| MY202400A (en) | 2024-04-25 |
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