CN203964856U - A kind of reinforced bar detection instrument with compound transducer - Google Patents
A kind of reinforced bar detection instrument with compound transducer Download PDFInfo
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- CN203964856U CN203964856U CN201420353350.1U CN201420353350U CN203964856U CN 203964856 U CN203964856 U CN 203964856U CN 201420353350 U CN201420353350 U CN 201420353350U CN 203964856 U CN203964856 U CN 203964856U
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 241001093269 Helicodiscus parallelus Species 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a kind of reinforced bar detection instrument with compound transducer, comprise central processing unit, transmitting circuit, compound transducer, signal receiving processor, AD sampling apparatus, analog switch group switch controller, display screen, function keyboard, central processing unit, transmitting circuit, compound transducer, signal receiving processor, AD sampling apparatus head and the tail connect successively, between central processing unit and compound transducer, be provided with analog switch group switch controller, central processing unit is connected with display screen, function keyboard.Superior effect of the present utility model is: adopt compound transducer accurately to judge reinforcement location in real time, spacer bar no longer lags behind; Draw the system of equations of many group thickness, displacement, diameter according to different coil structures, through over-sampling and calculating, thereby measure bar diameter, calculate in real time at scene, can complete measurement, also real-time display measurement result without uploading other utility appliance; Optional majority group coil is measured, flexible function.
Description
Technical field
The utility model relates to concrete reinforcement detection technique field, is specifically related to a kind of reinforced bar detection instrument with compound transducer.
Background technology
The sensor of existing reinforced bar detection instrument adopts electromagnetic induction principle, measure reinforcement parameter by measuring reinforcing bar in the induced electromagnetic field intensity of elect magnetic field, detection signal and reinforcing bar are directly proportional to the distance of sensor, directly over sensor is positioned at reinforcing bar time, distance is minimum, signal value maximum.Conventional analytical approach has two kinds, one is the artificial signal thresholding of setting, and in the time that detection signal is greater than thresholding, instrument prompting sensor enters reinforcing bar effective range, the method needs manual intervention, and can not accurately judge reinforcing bar accurate location, judge that protective layer thickness also can lag behind; Another kind is the variation tendency according to detection signal, find signal peak, when meeting, signal changes from small to big, again from large to small time, when an obvious peak point appears in scanning process, think sensor scan to reinforcing bar, the method does not need manual intervention, but must have signal process from large to small, now sensor crossed reinforcing bar directly over, obviously position directly over reinforcing bar not, the position of instrument prompting.
Obviously, in the prior art, because sensor construction is simple, therefore exist while judging reinforcement location can judge hysteresis, also can lag behind while judging reinforcing bar thickness; Meanwhile, existing sensor can not detect the reinforcing bar validity score Butut in trend and certain member of reinforcing bar in time, fast.
Utility model content
In order to overcome defect of the prior art, the purpose of this utility model is to propose the reinforced bar detection instrument with compound transducer that a kind of reinforcement location, protective layer thickness, bar diameter and reinforcing bar that can detect quickly and accurately in concrete distributes.
The utility model is achieved through the following technical solutions:
A kind of reinforced bar detection instrument with compound transducer, comprise: central processing unit, transmitting circuit, compound transducer, signal receiving processor, AD sampling apparatus, analog switch group switch controller, display screen, function keyboard, described central processing unit, transmitting circuit, compound transducer, signal receiving processor, AD sampling apparatus head and the tail connect successively, between described central processing unit and compound transducer, be provided with analog switch group switch controller, described central processing unit is connected with display screen, function keyboard.
Further, described compound transducer comprises compound coil assembly, path detection device, described compound transducer transmitting, reception magnetic field, survey sensor shift position and mobile distance; In described path detection device, be provided with displacement sensor, this displacement sensor can be measured displacement and the direction of whole compound transducer, then measured signal is passed to central processing unit.
Further, described compound coil assembly comprises the first coil, in described the first coil, be provided with the second coil, described the second coil is at least provided with two, described the second coil is parallel arranged, described the second coil inside is provided with tertiary coil, and described tertiary coil is at least provided with two, between described the second coil, is provided with pilot hole.Described pilot hole is used for installing fixing described compound transducer, can coordinate by register pin installation with pilot hole.
Described the first coil is for generation of Induced magnetic field; Described the second coil, for generation of Induced magnetic field, can also be accepted the Induced magnetic field that the first coil produces; Determine reinforcement location according to mutual signal difference simultaneously.The Induced magnetic field that described tertiary coil produces for receiving the first coil or the second coil, simultaneously by coming spacer bar position with the signal difference of adjacent tertiary coil.
Described transmitting circuit is for generation of pulse signal, and output pulse signal is to compound transducer.Described analog switch group switch controller is for switching the coil groups of required participation work.Described signal receiving processor is converted to voltage signal for the electromagnetic induction signal that compound transducer is received, and has function switching signal.
Described AD sampling apparatus will be exported to central processing unit after voltage signal values conversion.Described central processing unit is the control center of whole equipment, is responsible for receiving the data of display screen, function keyboard, according to display screen, function keyboard control simulation switches set switch controller is set, produce afterwards as calculated pulse signal and be input to transmitting circuit; Be responsible for receiving the data after AD sampling apparatus simultaneously, draw afterwards as calculated testing result.
Compound transducer described in the utility model adopts the compound coil assembly of multiple inductive coil combination, and can select different coil combination to use for different reinforcing bar type of detection, to meet detection needs.
The principle of work of a kind of reinforced bar detection instrument with compound transducer described in the utility model is:
(1) user is input to object to be detected and parameter in central processing unit by display screen, function keyboard peripheral module, described central processing unit storage data; (2), while detection, the first coil that described central processing unit control transmitting circuit produces pulse signal excitation compound transducer produces alternating magnetic field; (3) described central processing unit is determined the second coil in compound transducer, the duty of tertiary coil according to the parameter of user's input, and definite the second coil, tertiary coil are accepted the Induced magnetic field that the first coil produces; And then control the state that is switched on or switched off of the analog switch of described analog switch group switch controller and the second coil, tertiary coil; Thereby realize the duty of determining the first coil, the second coil, tertiary coil according to different testing requirements; (4) path detection device in compound transducer records position and the distance that whole sensor moves; (5) electromagnetic signal that described signal receiving processor receives the second coil, tertiary coil is converted to voltage signal, and voltage signal is flowed to described AD sampling apparatus; (6) described AD sampling apparatus adopts voltage signal to export to central processing unit; (7) described central processing unit draws thickness of concrete cover, bar diameter according to the parameter of user's input, the voltage signal values of acquisition, position and the displacement of compound transducer.
Compared with prior art, superior effect of the present utility model is: adopt compound transducer accurately to judge reinforcement location in real time, spacer bar no longer lags behind, and obtains the distribution plan of reinforcing bar and bar-mat reinforcement; Thickness of protection tier directly over reinforcing bar, detected accurately and timely, without hysteresis phenomenon; Draw the system of equations of many group thickness, displacement, diameter according to different coil structures, through central processing unit sampling and calculating, thereby measure bar diameter, calculate in real time at scene, can complete measurement, also real-time display measurement result without uploading other utility appliance; Optional majority group coil is measured, flexible function.
Brief description of the drawings
Fig. 1 is a kind of reinforced bar detection instrument structural representation with compound transducer described in the utility model;
Fig. 2 is combined type coil block schematic diagram described in the utility model.
Accompanying drawing mark is as follows:
1-central processing unit, 11-display screen, 12-function keyboard, 2-transmitting circuit, 3-compound transducer, 31-compound coil assembly, 311-the first coil, 312-the second coil, 313-tertiary coil, 314-pilot hole, 32-path detection device, 4-signal receiving processor, 5-AD sampling apparatus, 6-analog switch group switch controller.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, a kind of reinforced bar detection instrument with compound transducer that the utility model provides, comprise: central processing unit 1, transmitting circuit 2, compound transducer 3, signal receiving processor 4, AD sampling apparatus 5, analog switch group switch controller 6, display screen 11, function keyboard 12, described central processing unit 1, transmitting circuit 2, compound transducer 3, signal receiving processor 4, AD sampling apparatus 5 head and the tail connect successively, between described central processing unit 1 and compound transducer 3, be provided with analog switch group switch controller 6, described central processing unit 1 and display screen 11, function keyboard 12 connects.
Described compound transducer 3 comprises compound coil assembly 31, path detection device 32, and magnetic field is launched, received to described compound transducer 3, survey sensor shift position and mobile distance.
As shown in Figure 2, described compound coil assembly 31 comprises the first coil 311, in described the first coil 311, be provided with the second coil 312, described the second coil 312 is four, described the second coil 312 is parallel arranged, described the second coil 312 inside are provided with tertiary coil 313, in each second coil 312, are provided with two tertiary coils 313, between described the second coil 312, are provided with pilot hole 314.Described pilot hole 314 is used for installing fixing described compound transducer 3, coordinates installation by register pin with pilot hole 314.
The variable quantity that the variation of the Induced magnetic field intensity receiving is changed into voltage by the utility model reinforced bar detection instrument is analyzed and judges the counter magnetic field size of reinforcing bar in magnetic field, thereby indirectly measures, calculates detection data value.
Meanwhile, can also produce magnetic field by the second coil 312, tertiary coil 313, its object is exactly to set up system of equations in order to introduce how paired variable, thereby measures, calculates the parameters such as reinforcement location, protection thickness, bar diameter.
Foundation and the computing method of described system of equations are as follows:
E＝f[D，y]
E-magnitude of voltage;
D-bar diameter;
Y-sensor is to the vertical range of rebar surface, i.e. protective layer thickness.
If known D, can solve protective layer thickness y.
If D the unknown, must be by setting up following system of equations:
Solve D.
For the value of getting a more accurate measurement, as the thickness of bar diameter, protective seam, can repeatedly set up two groups and system of equations more than two by many groups coil and obtain, can prevent from detecting the impact of screw in position, finer wire, scattered stirrup section.Described central processing unit, transmitting circuit, signal receiving processor, AD sampling apparatus, analog switch group switch controller are existing equipment, and operating personnel can determine according to the actual requirements.
The utility model is not limited to above-mentioned embodiment, and in the situation that not deviating from flesh and blood of the present utility model, any distortion, improvement, the replacement that it may occur to persons skilled in the art that all fall into scope of the present utility model.
Claims (4)
1. the reinforced bar detection instrument with compound transducer, comprise: central processing unit, it is characterized in that, also comprise transmitting circuit, compound transducer, signal receiving processor, AD sampling apparatus, analog switch group switch controller, display screen, function keyboard, described central processing unit, transmitting circuit, compound transducer, signal receiving processor, AD sampling apparatus head and the tail connect successively, between described central processing unit and compound transducer, be provided with analog switch group switch controller, described central processing unit is connected with display screen, function keyboard.
2. a kind of reinforced bar detection instrument with compound transducer according to claim 1, is characterized in that, described compound transducer comprises compound coil assembly, path detection device.
3. a kind of reinforced bar detection instrument with compound transducer according to claim 2, it is characterized in that, described compound coil assembly comprises the first coil, in described the first coil, be provided with the second coil, described the second coil is at least provided with two, described the second coil inside is provided with tertiary coil, and described tertiary coil is at least provided with two, between described the second coil, is provided with pilot hole.
4. a kind of reinforced bar detection instrument with compound transducer according to claim 3, is characterized in that, described the second coil is parallel arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353350.1U CN203964856U (en) | 2014-06-27 | 2014-06-27 | A kind of reinforced bar detection instrument with compound transducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353350.1U CN203964856U (en) | 2014-06-27 | 2014-06-27 | A kind of reinforced bar detection instrument with compound transducer |
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| Publication Number | Publication Date |
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| CN203964856U true CN203964856U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420353350.1U Expired - Lifetime CN203964856U (en) | 2014-06-27 | 2014-06-27 | A kind of reinforced bar detection instrument with compound transducer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614032A (en) * | 2018-01-31 | 2018-10-02 | 江苏大学 | A kind of inside concrete reinforcing bar nondestructive detection system and control method based on improvement neural network |
| CN109752035A (en) * | 2019-01-29 | 2019-05-14 | 王桂亮 | A kind of reinforcing bar image scanning detector |
| CN113108680A (en) * | 2021-04-12 | 2021-07-13 | 浙江捷安工程有限公司 | Method for judging position of main rib in cement pole based on magnetic field intensity change |
-
2014
- 2014-06-27 CN CN201420353350.1U patent/CN203964856U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614032A (en) * | 2018-01-31 | 2018-10-02 | 江苏大学 | A kind of inside concrete reinforcing bar nondestructive detection system and control method based on improvement neural network |
| CN109752035A (en) * | 2019-01-29 | 2019-05-14 | 王桂亮 | A kind of reinforcing bar image scanning detector |
| CN113108680A (en) * | 2021-04-12 | 2021-07-13 | 浙江捷安工程有限公司 | Method for judging position of main rib in cement pole based on magnetic field intensity change |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ZBL SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING ZBL SCIENCE + TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100088 Beijing city Xicheng District Deshengmen Street No. 11 Building 1 Room 301 Patentee after: BEIJING ZBL SCIENCE AND TECHNOLOGY CO., LTD. Address before: 100088 Beijing city Xicheng District Deshengmen Street No. 11 Building 1 Room 301 Patentee before: Beijing ZhiBoLian Science Co., Ltd |