CN110331741A - The superfilled monitoring sensor of ultrasonic type concrete - Google Patents
The superfilled monitoring sensor of ultrasonic type concrete Download PDFInfo
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- CN110331741A CN110331741A CN201910565239.6A CN201910565239A CN110331741A CN 110331741 A CN110331741 A CN 110331741A CN 201910565239 A CN201910565239 A CN 201910565239A CN 110331741 A CN110331741 A CN 110331741A
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- ultrasonic wave
- ultrasonic
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Present invention discloses a kind of superfilled monitoring sensors of ultrasonic type concrete, it is set in the priming concrete pile hole in construction site, including sensor outer housing, it further include master component, ultrasonic wave generating assembly and ultrasonic wave receiving unit, the master component, the ultrasonic wave generating assembly and the ultrasonic wave receiving unit three are fixedly installed on inside the sensor outer housing, and both the ultrasonic wave generating assembly and the ultrasonic wave receiving unit are electrically connected with the master component respectively and are controlled by it driving.The present invention propagates to generate using ultrasonic wave in different media reflects this characteristic, filling concrete is had effectively achieved in the process to the real-time monitoring of concrete actual height, it not only ensure that effective influx height of bored concrete pile, but also reduce superfilled amount, avoid waste of material.
Description
Technical field
The present invention relates to a kind of superfilled monitoring sensors of concrete, super in particular to a kind of ultrasonic type concrete
Monitoring sensor is filled, sensing equipment technical field is belonged to.
Background technique
With the rapid development of our country's economy, the Quantity of various infrastructure projects is also growing day by day, in each big city
Construction site be seen everywhere.Under such overall situation, all kinds of bored concrete piles, particularly cast-in-place concrete pile are had by it
It is without friction when some constructions, without squeezing soil, noise is small, be suitable for City Building dense region use the advantages that, in work progress
In have been widely used.
Although cast-in-place concrete pile in architectural engineering using more and more common, the top mark of cast-in-place concrete pile is high
Control be all the time cast-in-place concrete pile engineering construction one of difficult point, this is because bored concrete pile production and used
Cheng Zhong, due to many reasons, such as admixture dosage is excessively high or water consumption is exceeded, cause concrete slump excessive in addition from
Analyse, laitance occur, these laitances through vibrated post-concentration collection concrete top formed laitance layer, and laitance layer solidification after it is strong
Degree is unable to reach the requirement of bored concrete pile standard.Therefore, in order to avoid the influence of laitance layer, the control of top mark height is being carried out to bored concrete pile
When, often will in the bored concrete pile height of setting superfilled specified altitude assignment.In general, it is 500mm or more that bored concrete pile, which needs hypervelocity,
And laitance part is cut after the concrete has set.So laitance layer, most end form can not be avoided if top mark high setting is too low
At pile body also just it is unqualified；And if top mark high setting is excessively high, the waste and subsequent construction of concrete will cause again
It is difficult.
Currently, during controlling superfilled height, it is more difficult to solve the problems, such as it is how accurately to identify concrete and float
The interface of slurry, so that it is determined that the actual height of concrete.For this technical problem, traditional construction method is manually to pass through
Weight is placed in designed elevation position or the bamboo pole feeler inspection of bored concrete pile by lining rope, is sentenced by the feel or experience of staff
Whether whether disconnected weight have pulling force to manpower or have concrete to apply thrust to bamboo pole to identify the boundary of concrete and laitance
Face, however these methods are to the more demanding of operating personnel, and not can guarantee weight or bamboo pole bottom is positioned exactly at perfusion yet
The designed elevation position of stake, therefore the identification error of interface is larger.
In order to overcome problems present in manual operation, also occurs the superfilled monitoring of some concrete on the market at present
Equipment, this kind of equipment realize the control superfilled to concrete by moisture transducer or liquid level sensor mostly, but at present
In the application process of this kind of equipment, due to the subtle difference by used concrete composition in construction environment and each building site
The problem of influence of the factors such as different, still it is easy to appear equipment misoperations.
In conclusion how to be based on the prior art, a kind of monitoring effect more preferably superfilled monitoring sensor of concrete is proposed,
Also just become current researcher's urgent problem to be solved in the industry.
Summary of the invention
In view of the prior art, there are drawbacks described above, and the purpose of the present invention is to propose to a kind of superfilled monitorings of ultrasonic type concrete
Sensor, it is specific as follows.
A kind of superfilled monitoring sensor of ultrasonic type concrete, is set in the concrete mud in construction site, including
Sensor outer housing, further includes master component, ultrasonic wave generating assembly and ultrasonic wave receiving unit, the master component, described
Ultrasonic wave generating assembly and the ultrasonic wave receiving unit three are fixedly installed on inside the sensor outer housing, described super
Both sound wave generating assembly and the ultrasonic wave receiving unit are electrically connected with the master component respectively and are controlled by it drive
It is dynamic.
Preferably, the sensor outer housing right angle setting, the sensor outer housing are fixedly installed on perfusion conduit outside, steel
At muscle cage absolute altitude, the lower end of the sensor outer housing is immersed in concrete mud.
Preferably, the master component include for control ultrasonic wave send and receive and and carry out data processing ARM
Main control chip.
Preferably, the ultrasonic wave generating assembly includes ultrasonic wave driving unit for generating ultrasonic wave and for sending out
Penetrate the ultrasound transmitter device of generated ultrasonic wave, the signal output end of the ultrasonic wave driving unit and the ultrasound transmitter device
Signal input part be electrically connected, the ultrasonic wave driving unit and the ARM main control chip are electrically connected, the ultrasonic wave hair
The lower end for sending the signal transmitting terminal of device to be fixedly installed on the sensor outer housing.
Preferably, the ultrasonic wave receiving unit includes for receiving the ultrasonic wave after reflection and being translated into mould
Intend the ultrasonic receiver of electric signal and the A/D acquisition unit for converting analog electrical signal to digital signal and transmitting,
The ultrasonic receiver and the A/D acquisition unit are electrically connected, the signal input part of the A/D acquisition unit with it is described
The signal input part of ARM main control chip is electrically connected, and the signal receiving end of the ultrasonic receiver is fixedly installed on the biography
The lower end of sensor shell.
Preferably, in the ultrasonic wave receiving unit further include letter for being handled analog electrical signal generated
Number processing module, the signal input part of the signal processing module and the signal output end of the ultrasonic receiver electrically connect
It connects, the signal input part of the signal output end of the signal processing module and the A/D acquisition unit is electrically connected.
Preferably, the signal processing module includes for protecting circuit and the clipping isolated location of high pressure is isolated, being used for
The signal amplification unit amplified to analog electrical signal and the bandpass filtering unit for filtering environmental noise, the clipping
Isolated location, the signal amplification unit and the bandpass filtering unit three are sequentially successively electrically connected, the clipping every
It is electrically connected from the signal output end of the signal input part of unit and the ultrasonic receiver, the letter of the bandpass filtering unit
The signal input part of number output end and the A/D acquisition unit is electrically connected.
Preferably, the clipping isolated location is high pressure amplitude limiter circuit.
Preferably, the bandpass filtering unit is to have no chance bandwidth-limited circuit.
Compared with prior art, advantages of the present invention is mainly reflected in the following aspects:
The superfilled monitoring sensor of a kind of ultrasonic type concrete of the present invention, is propagated in different media using ultrasonic wave,
It can be generated in two media interface and reflect this characteristic, it is practical to concrete high in the process to have effectively achieved filling concrete
The real-time monitoring of degree, not only ensure that effective influx height of bored concrete pile, but also reduces superfilled amount, avoids waste of material.
Meanwhile entire monitoring process of the invention fully relies on sensor and is automatically performed, operating process high degree of automation,
It is influenced by human factor small, had both saved the human resources in construction site, and further assured that mark of the present invention
Determine the accuracy of result.
In addition, the present invention also provides reference for other relevant issues in same domain, can be opened up on this basis
Extension is stretched, and is applied in other technical solutions relevant to the superfilled monitoring of concrete, has very wide application prospect.
Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention
Technical solution is more readily understood, grasps.
Detailed description of the invention
Fig. 1 is installation environment schematic diagram of the invention；
Fig. 2 is internal structure block diagram of the invention.
Specific embodiment
As shown in Figure 1, being set to construction site the invention proposes a kind of superfilled monitoring sensor of ultrasonic type concrete
In interior priming concrete pile hole, including sensor outer housing 2,2 right angle setting of sensor outer housing, the fixation of sensor outer housing 2 are set
It is placed on the outside of the perfusion conduit 1, at steel reinforcement cage absolute altitude, the lower end of the sensor outer housing 2 is immersed in concrete mud.
As shown in Fig. 2, the superfilled monitoring sensor of ultrasonic type concrete further includes master component, ultrasonic wave generation group
Part and ultrasonic wave receiving unit, the master component, the ultrasonic wave generating assembly and the ultrasonic wave receiving unit three
Person is fixedly installed on inside the sensor outer housing 2, the ultrasonic wave generating assembly and the ultrasonic wave receiving unit two
Person is electrically connected with the master component respectively and is controlled by it driving.
The master component include for control ultrasonic wave send and receive and and carry out data processing ARM master control core
Piece.
The ultrasonic wave generating assembly includes ultrasonic wave driving unit for generating ultrasonic wave and gives birth to for emitting
At the ultrasound transmitter device of ultrasonic wave, the signal output end of the ultrasonic wave driving unit and the signal of the ultrasound transmitter device
Input terminal is electrically connected, and the ultrasonic wave driving unit and the ARM main control chip are electrically connected.
The ultrasonic wave receiving unit includes for receiving the ultrasonic wave after reflection and being translated into analog telecommunications
Number ultrasonic receiver and A/D acquisition unit for converting analog electrical signal to digital signal and transmitting, it is described super
Acoustic receiver and the A/D acquisition unit are electrically connected, the signal input part of the A/D acquisition unit and the ARM master control
The signal input part of chip is electrically connected.The A/D acquisition unit will be converted by the analog electrical signal of clipping, amplification, filtering
It is transmitted to ARM main control chip again for digital signal.
It should be noted that the validity in order to guarantee this programme, the signal transmitting terminal of the ultrasound transmitter device is fixed
It is set to the lower end of the sensor outer housing 2, likewise, the signal receiving end of the ultrasonic receiver is fixedly installed on institute
State the lower end of sensor outer housing 2.
It further include the signal processing for being handled analog electrical signal generated in the ultrasonic wave receiving unit
The signal output end of module, the signal input part of the signal processing module and the ultrasonic receiver is electrically connected, described
The signal input part of the signal output end of signal processing module and the A/D acquisition unit is electrically connected.
The signal processing module includes for protecting circuit and the clipping isolated location of high pressure being isolated, for simulation electricity
The signal amplification unit that signal amplifies and the bandpass filtering unit for filtering environmental noise.
In the present embodiment, the clipping isolated location is high pressure amplitude limiter circuit, and low pressure echo-signal can be made smooth
By and play the role of protecting and circuit and too high voltages be isolated.
In the present embodiment, the bandpass filtering unit is to have no chance bandwidth-limited circuit, can be effectively by ambient noise
To filtering.
The clipping isolated location, the signal amplification unit and the bandpass filtering unit three are sequentially successively electrical
Connection, the signal input part of the clipping isolated location and the signal output end of the ultrasonic receiver are electrically connected, described
The signal input part of the signal output end of bandpass filtering unit and the A/D acquisition unit is electrically connected.
The working principle of the invention and the course of work described briefly below.
Ultrasonic wave in the propagation direction with the increase of propagation distance and energy dropoff, energy are concentrated mainly on propagation side
To axial direction on.And when ultrasonic wave is when being transferred to another medium from a kind of medium, meeting is generated in two media interface
Reflection.
In application environment of the invention, filling concrete face is in the front of incidence wave, mainly vertical reflection, in hole
Mainly unrestrained transmitting on wall and conduit, therefore filling concrete face reflected energy wants high.When two reflection wave interferences, energy
It can mutate.
In use process of the invention, main control chip control ultrasonic transmitter emits the wave of continuous n fixed frequency
(n value not Ying Tai little or too big, the too small ultrasonic echo characteristic value that will cause of n value is unobvious, and n will cause greatly very much sending for shape
Ultrasonic wave and ultrasonic echo superposition, it is difficult to identify), ultrasonic wave is generated in bored concrete pile diffusing reflection and vertically reflect, specifically
Reflection process can generate energy jump as shown in Figure 1, when two waveforms interfere.Clipping, amplification, filter will then be passed through
The ultrasonic signal of wave carries out small echo processing, finds out the catastrophe point of energy, is the n launched when the interval time of two catastrophe points
The time span of a waveform, then the position of first catastrophe point is exactly the position of mud face and concrete surface.By calibrating in advance
Spread speed of the ultrasonic wave in mud can calculate the distance of concrete surface range sensor by speed and time, from
And learn the perfusion position of concrete.
The superfilled monitoring sensor of a kind of ultrasonic type concrete of the present invention, is passed in different media using ultrasonic wave
It broadcasts, can be generated in two media interface and reflect this characteristic, have effectively achieved filling concrete in the process to concrete reality
The real-time monitoring of border height, not only ensure that effective influx height of bored concrete pile, but also reduce superfilled amount to the full extent, avoid
The waste of pouring material reduces and subsequent cuts difficulty.
Meanwhile the suitability of the present invention and other relevant devices is higher, it can be with using the obtained monitoring result of the present invention
Be widely used in used in work progress to other kinds relevant device in, also provided for the normal operation of other equipment
Data are supported.
In addition, entire monitoring process of the invention fully relies on sensor and is automatically performed, operating process high degree of automation,
It is influenced by human factor small, had both saved the human resources in construction site, and further assured that mark of the present invention
Determine the accuracy of result.
The present invention also provides reference for other relevant issues in same domain, can be that foundation is expanded with this programme
Extend, apply in other technical solutions relevant to the superfilled monitoring of concrete, there is very wide application prospect.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit and essential characteristics of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of superfilled monitoring sensor of ultrasonic type concrete, is set in the priming concrete pile hole in construction site, including sensing
Device shell (2), it is characterised in that: further include master component, ultrasonic wave generating assembly and ultrasonic wave receiving unit, the master control
Component, the ultrasonic wave generating assembly and the ultrasonic wave receiving unit three are fixedly installed on the sensor outer housing
(2) internal, both the ultrasonic wave generating assembly and the ultrasonic wave receiving unit electrically connect with the master component respectively
It connects and is controlled by it driving.
2. the superfilled monitoring sensor of ultrasonic type concrete according to claim 1, it is characterised in that: outside the sensor
Shell (2) right angle setting, the sensor outer housing (2) are fixedly installed on the outside of the perfusion conduit (1), at steel reinforcement cage absolute altitude, institute
The lower end for stating sensor outer housing (2) is immersed in concrete mud.
3. the superfilled monitoring sensor of ultrasonic type concrete according to claim 1, it is characterised in that: the master component
Including for control ultrasonic wave send and receive and and carry out data processing ARM main control chip.
4. the superfilled monitoring sensor of ultrasonic type concrete according to claim 3, it is characterised in that: the ultrasonic wave hair
Raw component includes that the ultrasonic wave driving unit for generating ultrasonic wave and the ultrasonic wave for emitting generated ultrasonic wave are sent
Device, the signal output end of the ultrasonic wave driving unit and the signal input part of the ultrasound transmitter device are electrically connected, described
Ultrasonic wave driving unit and the ARM main control chip are electrically connected, the signal transmitting terminal fixed setting of the ultrasound transmitter device
In the lower end of the sensor outer housing (2).
5. the superfilled monitoring sensor of ultrasonic type concrete according to claim 3, it is characterised in that: the ultrasonic wave connects
Receive component include for receives through reflection after ultrasonic wave and be translated into analog electrical signal ultrasonic receiver and
A/D acquisition unit for converting analog electrical signal to digital signal and transmitting, the ultrasonic receiver are adopted with the A/D
Collect unit to be electrically connected, the signal input part of the A/D acquisition unit and the signal input part of the ARM main control chip electrically connect
It connects, the signal receiving end of the ultrasonic receiver is fixedly installed on the lower end of the sensor outer housing (2).
6. the superfilled monitoring sensor of ultrasonic type concrete according to claim 5, it is characterised in that: the ultrasonic wave connects
It further include the signal processing module for being handled analog electrical signal generated, the signal processing module in receipts component
Signal input part and the signal output end of the ultrasonic receiver be electrically connected, the output of the signal of the signal processing module
End and the signal input part of the A/D acquisition unit are electrically connected.
7. the superfilled monitoring sensor of ultrasonic type concrete according to claim 6, it is characterised in that: the signal processing
Module includes for protecting circuit and the clipping isolated location of high pressure being isolated, for putting to the signal that analog electrical signal amplifies
Big unit and bandpass filtering unit for filtering environmental noise, the clipping isolated location, the signal amplification unit with
And the bandpass filtering unit three is sequentially successively electrically connected, the signal input part of the clipping isolated location and the ultrasound
The signal output end of wave receiver is electrically connected, the signal output end of the bandpass filtering unit and the A/D acquisition unit
Signal input part is electrically connected.
8. the superfilled monitoring sensor of ultrasonic type concrete according to claim 7, it is characterised in that: the clipping isolation
Unit is high pressure amplitude limiter circuit.
9. the superfilled monitoring sensor of ultrasonic type concrete according to claim 7, it is characterised in that: the bandpass filtering
Unit is to have no chance bandwidth-limited circuit.
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| CN201910565239.6A CN110331741A (en) | 2019-06-27 | 2019-06-27 | The superfilled monitoring sensor of ultrasonic type concrete |
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| CN201910565239.6A CN110331741A (en) | 2019-06-27 | 2019-06-27 | The superfilled monitoring sensor of ultrasonic type concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110872851A (en) * | 2019-11-29 | 2020-03-10 | 深圳宏业基岩土科技股份有限公司 | Construction method for controlling elevation of concrete slurry surface of hollow pile section engineering pile |
| CN111456120A (en) * | 2020-04-15 | 2020-07-28 | 中国建筑土木建设有限公司 | Pile foundation construction intelligent measurement and control method and device |
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| CN110872851A (en) * | 2019-11-29 | 2020-03-10 | 深圳宏业基岩土科技股份有限公司 | Construction method for controlling elevation of concrete slurry surface of hollow pile section engineering pile |
| CN110872851B (en) * | 2019-11-29 | 2021-09-21 | 深圳宏业基岩土科技股份有限公司 | Construction method for controlling elevation of concrete slurry surface of hollow pile section engineering pile |
| CN111456120A (en) * | 2020-04-15 | 2020-07-28 | 中国建筑土木建设有限公司 | Pile foundation construction intelligent measurement and control method and device |
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