CN109709312A - Wireless penetration controls concrete freeze thawing machine - Google Patents
Wireless penetration controls concrete freeze thawing machine Download PDFInfo
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- CN109709312A CN109709312A CN201811500644.1A CN201811500644A CN109709312A CN 109709312 A CN109709312 A CN 109709312A CN 201811500644 A CN201811500644 A CN 201811500644A CN 109709312 A CN109709312 A CN 109709312A
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Abstract
The invention belongs to testing concrete performance fields, propose a kind of wireless penetration control concrete freeze thawing machine, including casing, are provided with frozen process experiment race way, mechanical property detection zone and micro computer termination environment in the casing;Control module, communication module, human-computer interaction module are provided in the micro computer termination environment, the control module is used to receive the detection data of each region, and human-computer interaction module is sent to after being handled, and treated data by the communication module are sent to remote terminal, it is also used to receive the control information that remote terminal is sent by communication module, and controls frozen-thaw process according to the control information.The present invention is able to carry out the test of multiple projects, has greatly saved the working time, improves efficiency.
Description
Technical field
The invention belongs to testing concrete performance fields, and in particular to a kind of wireless penetration control concrete freeze thawing machine.
Background technique
The use of concrete at present is increasingly extensive, type gradually increases, and the test of all kinds of concrete performances is also being added
In tight progress, but detection of the developing steps of instrument much not as good as the development speed of concrete, for concrete performance at present
The frozen process experiment of the middle such as concrete for needing to carry out for a long time be even more need scientific research personnel day and night accompany come detection project into
Degree, which limits the freedom degrees of person works, reduce working efficiency;And scientific research personnel is difficult in time during the work time
Perceive instrument generation failure, greatly hinder the progress of experiment.
Present wireless control technology is increasingly mature, and with popularizing for mobile device, people have intelligent control
Higher requirement.It would therefore be desirable to a kind of convenient and fast mode come solve long-age experiment in freeze thawing machine remote control and prison
Control.The monitoring of freeze thawing machine is carried out using long-range control to liberate experimenter, its work is made to have more flexibilities.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, technical problem to be solved are as follows: provides a kind of wireless penetration control
Concrete freeze thawing machine can use the machine for wirelessly coming remote control laboratory, real-time detection performance indexes, including creep
Detection, the measurement of loss of strength, the measurement of weight loss and the detection of temperature, the test etc. of test specimen dynamic modulus of elasticity.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: wireless penetration control concrete freeze thawing
Machine, including casing are provided with frozen process experiment race way, mechanical property detection zone and micro computer terminal in the casing
Area;The frozen process experiment race way is freezed by refrigerating plant, and the edge of the frozen process experiment race way is provided with anti-
Thermal insulation layer is protected, the fixed net of multiple test piece boxes is provided in the protecting thermal insulating layer, the test piece box is fixed to be arranged on the net with multiple
For placing the test piece box of test specimen;The mechanical property detection zone is provided with dynamic modulus of elasticity determining instrument, the dynamic elasticity mould
Amount determining instrument is used to test the dynamic modulus of elasticity value of test specimen;It is provided at the top of the frozen process experiment race way and extends to mechanical property
The closed slide in quality detection area, manipulator is provided on the closed slide, and the manipulator is used to grab the examination in test piece box
Part, and be moved to after mechanical property detection zone by the closed slide and test specimen is placed on dynamic modulus of elasticity determining instrument;
Control module, communication module, human-computer interaction module are provided in the micro computer termination environment, the control module is each for receiving
The detection data in a region, and human-computer interaction module is sent to after being handled, and data pass through described lead to by treated
Letter module is sent to remote terminal, is also used to receive the control information that remote terminal is sent by communication module, and according to control
Information controls frozen-thaw process.
The watch window formed by double layer glass, the watch window are provided on the frozen process experiment race way
On be provided with camera and infrared thermometry device, the camera is for being scanned imaging to the test specimen in test piece box, rear hair
It send the control module and is stored, Creep Analysis module is provided in the control module, the Creep Analysis module is used
The deformation data of test specimen is obtained in the analysis of image data acquired according to camera;The frozen process experiment race way) in setting
There is contact tehermometer, the infrared thermometry device and contact tehermometer signal output end are connect with the control module;Institute
It states each test piece box bottom and is provided with Weight detecting device, the data output end of the Weight detecting device and the control module
Connection.
Four surfaces of the test specimen chamber interior wall are provided with a protrusion, and the interior table along test piece box is driven by motor in the protrusion
Face moves up and down.
The manipulator includes small-sized truss vehicle, telescopic rod, rotation connected ball, control motor, threaded rod, extension and contraction control
Bar, mechanical finger, top limiter, central axis, the manipulator are arranged on closed slide by small-sized truss vehicle, telescopic rod
It is arranged below small-sized truss vehicle, the inner end of extension and contraction control bar passes through multi-stage compression bar and center-pole, the end of mechanical finger
Hinged with center-pole, middle part is fixedly connected with the outer end of extension and contraction control bar.
The dynamic modulus of elasticity determining instrument includes pedestal, the receiver and transmitter of energy converter pass through respectively one it is removable
Dynamic strut is set on the base, and is provided with track groove on the pedestal, moves strut under the drive of the motor, can be along track
Slot moves horizontally.
It is provided with rack gear on the removable strut, is provided with gear on the receiver and transmitter of the energy converter, institute
It states gear under the drive of the motor, moves the receiver of the energy converter and transmitter along the vertical direction.
Compared with the prior art, the invention has the following beneficial effects: the present invention provides a kind of wireless penetrations to control concrete
Freeze thawing machine can be used remote control technology and experimenter observed not necessarily like previous guard always beside machine like that
The progress of experiment, but body can be disengaged during carrying out frozen process experiment and do other projects, greatly save work
Make the time, improve efficiency, machine itself is able to carry out the test of multiple projects, also saves for scientific research personnel a large amount of cumbersome
Process, personnel can understand the parameters and experiment progress of experiment on touch screen or mobile terminal program.
Detailed description of the invention
Fig. 1 is the outline structural diagram that a kind of wireless penetration provided in an embodiment of the present invention controls concrete freeze thawing machine;
Fig. 2 is the schematic diagram of internal structure that a kind of wireless penetration provided in an embodiment of the present invention controls concrete freeze thawing machine;
Fig. 3 is the structural schematic diagram of test piece box in the embodiment of the present invention;
Fig. 4 is watch window layout in the embodiment of the present invention;
Fig. 5 is robot manipulator structure schematic diagram in the embodiment of the present invention;
Fig. 6 is the cross-sectional view of plane where extension and contraction control bar in Fig. 5;
Fig. 7 is dynamic modulus of elasticity tester structural map in the embodiment of the present invention;
Fig. 8 is energy converter moving structure figure in the embodiment of the present invention;
Fig. 9 is temperature measurement flow chart in the embodiment of the present invention;
Figure 10 is measurement flow chart of creeping in the embodiment of the present invention;
Figure 11 is weight loss measurement flow chart in the embodiment of the present invention;
Figure 12 is dynamic modulus of elasticity measurement flow chart in the embodiment of the present invention.
In figure: 1 is top cover, and 2 be case fan, and 3 be manipulator, and 4 be shell, and 5 be dynamic modulus of elasticity test device, and 6 are
Detachable wheels, 7 be connecting pipe, and 8 be support rod, and 9 be Weight detecting device, and 10 be DOL Data Output Line, and 11 be test piece box, and 12 are
Test piece box fixes net, and 13 be protecting thermal insulating layer, and 14 be double layer glass, and 15 be touch screen, and 16 be control button, and 17 be door,
18 be handle, and 19 be buckle folder, and 20 be motor casing, and 21 be operation case, and 22 be protrusion, and 23 be dual camera, and 24 survey for infrared ray
Warm device, 25 be card slot, and 26 be closed slide, and 27 be small-sized truss vehicle, and 28 be telescopic rod, and 29 is are rotatably connected ball, and 30 be control
Motor processed, 31 be threaded rod, and 32 be extension and contraction control bar, and 33 be mechanical finger, and 34 be top limiter, and 35 be center axis, and 42 are
Removable energy converter (vibration frequency generator and receiver), 43 be resonance instrument, and 44 spread out of for removable strut, 45 for data
Mouthful, 46 be laser emitter, and 47 be pedestal, and 48 be belt, and 49 be driven wheel, and 50 be micro-machine, and 51 be gear, and 52 be multistage
Constrictor, 53 be limited mouth.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiment is a part of the embodiments of the present invention, without
It is whole embodiments;Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
As shown in Fig. 1 ~ 4, the embodiment of the invention provides a kind of wireless penetrations to control concrete freeze thawing machine, including casing
4, frozen process experiment race way, mechanical property detection zone and micro computer termination environment are provided in the casing 4;The freeze thawing is real
It tests race way to freeze by refrigerating plant, the edge of the frozen process experiment race way is provided with protecting thermal insulating layer 13, institute
It states and is provided with the fixed net 12 of multiple test piece boxes in protecting thermal insulating layer 13, setting is with multiple for putting on the fixed net 12 of the test piece box
Set the test piece box 11 of test specimen;The mechanical property detection zone is provided with dynamic modulus of elasticity determining instrument 5, and the dynamic modulus of elasticity is surveyed
Instrument 5 is determined for testing the dynamic modulus of elasticity value of test specimen;It is provided at the top of the frozen process experiment race way and extends to mechanical property
The closed slide 26 of detection zone, manipulator 3 is provided on the closed slide, and the manipulator is used to grab the examination in test piece box
Part, and be moved to after mechanical property detection zone by the closed slide and test specimen is placed on dynamic modulus of elasticity determining instrument;
Control module, communication module, human-computer interaction module are provided in the micro computer termination environment, the control module is each for receiving
The detection data in a region, and human-computer interaction module is sent to after being handled, and data pass through described lead to by treated
Letter module is sent to remote terminal, is also used to receive the control information that remote terminal is sent by communication module, and according to control
Information controls frozen-thaw process.It is provided with the watch window formed by double layer glass 14 on the frozen process experiment race way,
Be provided with camera 23 and infrared thermometry device 24 on the watch window, the camera be used for the test specimen in test piece box into
Row scanning imagery sends the control module afterwards and is stored, and Creep Analysis module is provided in the control module, described
Creep Analysis module is used to obtain the deformation data of test specimen according to the analysis of image data that camera acquires;The frozen process experiment follows
Contact tehermometer, the infrared thermometry device 24 and contact tehermometer signal output end and the control are provided in ring region
The connection of molding block;11 bottom of each test piece box is provided with Weight detecting device 9, and the data of the Weight detecting device 9 are defeated
Outlet is connect with the control module.
As shown in figure 3,11 inner wall of test piece box, four surfaces are provided with a protrusion 22, described raised 22 are driven by motor
The dynamic inner surface along test piece box 11 moves up and down.Then when manipulator snatch test specimen, motor can under the control of control module,
Test specimen is lifted upwards by protrusion 22, facilitates manipulator snatch, it is convex after test specimen, which is completed, sends test piece box back to by manipulator
It rises and declines under motor control, test specimen is put into test piece box.
As shown in Fig. 5 ~ 6, the manipulator 3 includes small-sized truss vehicle 27, telescopic rod 28, rotation connected ball 29, control electricity
Machine 30, threaded rod 31, extension and contraction control bar 32, mechanical finger 33, top limiter 34, central axis 35, the manipulator pass through small
Type truss vehicle 27 be arranged on closed slide 26, telescopic rod 28 be arranged below small-sized truss vehicle 27, extension and contraction control bar 32 it is interior
End is by multi-stage compression bar 52 and center-pole 35, and the end of mechanical finger 33 and center-pole 35 are hinged, middle part and extension and contraction control
The outer end of bar 32 is fixedly connected.When needing snatch test specimen, manipulator is under the drive of small-sized truss vehicle 27 along closed slide
26 move to above test piece box, and then multi-stage compression bar 52 extends, and make mechanical finger and shrink around central axis 35, is i.e. manipulator
Refer to 33 surround it is round directly become smaller, test specimen starts stress and is picked up.
As shown in fig. 7, the dynamic modulus of elasticity determining instrument 5 includes pedestal 46, the receiver and transmitter of energy converter 42
It is arranged on pedestal 46 by a removable strut 44 respectively, is provided with track groove on the pedestal 46, moves strut 44
Under the drive of the motor, it can move left and right along track groove level, to change position, the different location of test specimen is measured.
Further, as shown in figure 8, being provided with rack gear on the removable strut 44, the receiver of the energy converter 42
With gear 51 is provided on transmitter, the gear 51 under the drive of the motor, makes receiver and the transmission of the energy converter 42
Device can move along the vertical direction, then energy converter can measure test specimen in different height.
In addition, dynamic modulus of elasticity determining instrument 5 further includes laser emitter 46 in the present embodiment, it is used to measure test specimen
Length.
It is responsible for realizing frozen process experiment circulation, surface temperature measurement, creep detection and mass measurement in frozen process experiment race way.Such as
It is temperature measurement flow chart in the embodiment of the present invention, the infrared thermometry device 24 includes infrared transmitter, infrared shown in Fig. 9
Receiver, signal adapter and infrared processing unit, infrared processing unit is according to the available temperature of signal that receiver receives
The temperature of degree, the temperature and contact tehermometer is sent collectively to the control module, is shown on touch screen or mobile terminal.
As shown in Figure 10, it is measurement flow chart of creeping in the embodiment of the present invention, is opened in the upper end of frozen process experiment race way
One glass window, window is heat-insulated using double layer glass, one jiao of placements a pair of high-definition camera, is scanned into image, before camera lens
There is anti-fog layer at end, avoids the camera lens in temperature changing process from generating water mist, influences the acquisition of data.Camera is by collected number
According to storage into the memory of micro computer control terminal, corresponding image read-out reads data from memory and finds test specimen
Its coordinatograph is determined that coordinate data is delivered to Creep Analysis dress by the coordinate of test specimen all the points in the zone by the image at place
It sets, device constantly records coordinate shared by test specimen, if deformation occurs for test specimen, corresponding coordinate can reduce or increase accordingly
Add, result constantly can be delivered to controlling terminal by Creep Analysis device, and data are become testing by terminal by signal converter
Format needed for personnel, finally the results are shown in touch control display plate and mobile terminal program, personnel can be shown by touch-control
Plate or mobile terminal program detect the data of creeping of each period, and determines test specimen creeping in frozen process experiment with this
Journey.
As shown in figure 11, the device for testing weight is placed on the lower part of each test piece box, and test specimen is placed on always electronic scale
On, anti-frost protection layer is arranged in the important sensing part of electronic scale, and the DOL Data Output Line of test specimen lower box part electronic scale is connected to terminal,
The weight change situation for test specimen of enduring cold is measured at any time and can draw weight with test specimen and temperature after transferring data to terminal
Spend the curve of variation.When weight after experiment is less than the 95% of initial weight, this test specimen stops experiment, and situation is anti-in real time
Terminal should be given, terminal and mobile terminal program give a warning to warn experimenter.
As shown in figure 12, multiple test specimens are measured using resonance method, size takes the mean value at three positions.Manipulator grabs test specimen
It takes on the bracket for being placed on measuring instrument, bracket is fixed by screws on the body fuselage of thickening, and laser is arranged in stent side portion
Transmitter (being connect with the dynamic modulus of elasticity part of micro computer control terminal to transmit every measurement data) determines test specimen to be measured
Length, bracket side, which receives, to be stretched out energy converter and is simultaneously attached on test specimen by regulation, the adjustment of the dynamic modulus of elasticity controller of terminal
The exciting power and reception gain of resonance instrument, convert excited frequency, when the frequency of measurement reaches resonance state, dynamic modulus of elasticity control
Device processed is by rate-adaptive pacemaker at this time to Trackpad and mobile terminal program.Experiment is repeated twice, if measurement value difference is no more than twice
0.5%, then take the two mean value as test result.If continuing test until up to standard more than 0.5%.When the dynamic elasticity of concrete
When modulus is less than the 60% of initial value, that is, reach one of the condition that experiment terminates, frozen process experiment terminates.Its calculation formula is under
Formula:
Ed=946×10-4WL3f2/a4×K;
Wherein, EdThe dynamic modulus of elasticity (MPa) of ----concrete;The side length (mm) of S ----square section test specimen;L ----
The length (mm) of test specimen;A ----element length (mm);The weight (kg) of W ----test specimen;F --- when-test specimen oscillation crosswise
Base vibration frequency (Hz);K --- the correction factor of-sample dimensions;Wherein, when L/a=3, K=1.68;When L/a=4, K=1.40;L/a=
When 5, K=1.26.
Micro computer terminal area: this region is the brain place of entire machine, is placed in the topmost of machine, Ge Gexiang
Purpose detection data is collected herein, and all data is analyzed by corresponding processor, is finally showed.On touch screen
The editor that can complete each measure the item parameter, browsing and output finally need as a result, also can directly open camera
Carry out the carry out state inside observation experiment.The durability factor of concrete can be directly exported at touch screen, formula is as follows:
Kn=P×N/100
Kn----concrete durability coefficient
N --- the freezing-thawing cycles at the end of-experiment
The P ----relative dynamic elastic modulus through n times Frozen-thawed cycled test specimen
Freeze thawing, which reaches, can stop testing for one of three kinds:
1. being recycled up to 300 times;
2. relative dynamic elastic modulus drops to 60% or less;
3. weight loss is up to 5%
The calculating of relative dynamic elastic modulus such as following formula:
P=fn 2/f0 2×100;
The P ----relative dynamic elastic modulus through n times Frozen-thawed cycled test specimen;
fn The lateral fundamental frequency (Hz) of test specimen after ----n times frozen process experiment;
f0 Test specimen transverse direction fundamental frequency initial value (Hz) before ----frozen process experiment circulation;
The above parameter is intended to test its initial value before experiment starts, convenient to be compared with data after test.
Experimenter can control the operation of machine by touch screen 15, while can also be controlled by mobile terminal program
The operation of machine processed, mobile terminal send instructions to terminal, and terminal is assigned to corresponding device again.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of wireless penetration controls concrete freeze thawing machine, which is characterized in that including casing (4), in the casing (4)
It is provided with frozen process experiment race way, mechanical property detection zone and micro computer termination environment;
The frozen process experiment race way is freezed by refrigerating plant, and the edge of the frozen process experiment race way is provided with anti-
It protects thermal insulation layer (13), multiple test piece boxes is provided in the protecting thermal insulating layer (13) and fix net (12), the fixed net of the test piece box
(12) it is arranged on multiple for placing the test piece box (11) of test specimen;
The mechanical property detection zone is provided with dynamic modulus of elasticity determining instrument (5), and the dynamic modulus of elasticity determining instrument (5) is used
In the dynamic modulus of elasticity value of test test specimen;
The closed slide (26) for extending to mechanical property detection zone, the parallel conductive are provided at the top of the frozen process experiment race way
It is provided on rail manipulator (3), the manipulator is used to grab the test specimen in test piece box, and is moved to by the closed slide
Test specimen is placed on dynamic modulus of elasticity determining instrument (5) after mechanical property detection zone;
Control module, communication module, human-computer interaction module are provided in the micro computer termination environment, the control module is for connecing
The detection data of each region is received, and is sent to human-computer interaction module after being handled, and data pass through institute by treated
State communication module and be sent to remote terminal, be also used to by communication module receive remote terminal send control information, and according to
It controls information and controls frozen-thaw process.
2. a kind of wireless penetration according to claim 1 controls concrete freeze thawing machine, which is characterized in that the frozen process experiment follows
It is provided with the watch window formed by double layer glass (14) in ring region, camera (23) are provided on the watch window
With infrared thermometry device (24), the camera sends the control for being scanned imaging to the test specimen in test piece box afterwards
Module is simultaneously stored, and Creep Analysis module is provided in the control module, and the Creep Analysis module is used for according to camera shooting
The analysis of image data of head acquisition obtains the deformation data of test specimen;The frozen process experiment race way) in be provided with contact temperature
Degree meter, the infrared thermometry device (24) and contact tehermometer signal output end are connect with the control module;
Each test piece box (11) bottom is provided with Weight detecting device (9), the data output of the Weight detecting device (9)
End is connect with the control module.
3. a kind of wireless penetration according to claim 1 controls concrete freeze thawing machine, which is characterized in that the test piece box (11)
Four surfaces of inner wall are provided with a protrusion (22), and the protrusion (22) is driven by motor above and below the inner surface of test piece box (11)
Movement.
4. a kind of wireless penetration according to claim 1 controls concrete freeze thawing machine, which is characterized in that the manipulator (3)
Including small-sized truss vehicle (27), telescopic rod (28), rotation connected ball (29), control motor (30), threaded rod (31), extension and contraction control
Bar (32), mechanical finger (33), top limiter (34), central axis (35), the manipulator are set by small-sized truss vehicle (27)
It sets on closed slide (26), telescopic rod (28) setting is below small-sized truss vehicle (27), the inner end of extension and contraction control bar (32)
By multi-stage compression bar (52) and center-pole (35), the end and center-pole (35) of mechanical finger (33) hingedly, middle part and flexible
The outer end of control-rod (32) is fixedly connected.
5. a kind of wireless penetration according to claim 1 controls concrete freeze thawing machine, which is characterized in that the dynamic modulus of elasticity
Determining instrument (5) includes pedestal (46), and the receiver and transmitter of energy converter (42) pass through a removable strut (44) respectively
It is arranged on pedestal (46), is provided with track groove on the pedestal (46), moves strut (44) under the drive of the motor, it can be with
It is moved horizontally along track groove.
6. a kind of wireless penetration according to claim 1 controls concrete freeze thawing machine, which is characterized in that the removable strut
(44) it is provided with rack gear on, is provided with gear (51) on the receiver and transmitter of the energy converter (42), the gear (51)
Under the drive of the motor, the receiver and transmitter for alloing the energy converter (42) move along the vertical direction.
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CN112326450A (en) * | 2020-10-13 | 2021-02-05 | 陈波浪 | Wall body detection device based on architectural design |
CN115876634A (en) * | 2023-03-02 | 2023-03-31 | 中国有色金属工业昆明勘察设计研究院有限公司 | Rock freezing-thawing cycle degradation overall process multi-channel test equipment and test method |
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