CN204694667U - Based on the two-dimentional concrete parameters tester of reinforcing bar electrode - Google Patents
Based on the two-dimentional concrete parameters tester of reinforcing bar electrode Download PDFInfo
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- CN204694667U CN204694667U CN201520402393.9U CN201520402393U CN204694667U CN 204694667 U CN204694667 U CN 204694667U CN 201520402393 U CN201520402393 U CN 201520402393U CN 204694667 U CN204694667 U CN 204694667U
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Abstract
The utility model discloses a kind of two-dimentional concrete parameters tester based on reinforcing bar electrode.Concrete parameters tester is by 4 measurement interfaces, and communication interface, concrete voltage amplifier, resistance, sinusoidal signal generator, resistive voltage amplifier, concrete electric pressing mold number converter, resistive voltage analog to digital converter and microprocessor are formed.In concrete, same level Linear lays the n root reinforcing bar electrode be parallel to each other.Reinforcing bar Electrode connection is to reinforcing bar electrode and multi-way switch stube cable, a n during reinforcing bar electrode combines with multi-way switch with multi-way switch stube cable selects the cable connector of a multi-way switch to be connected, selecting an on-off circuit by n, through measuring connector, concrete for two dimension reinforcing bar electrode and concrete parameters measuring instrument being connected.Concrete parameters measuring instrument exports data to data acquisition server.This tester can find concrete pathology and forecasting and warning in real time, monitoring structural quality.Easy to use and reliable, Detection results is remarkable.
Description
(1) technical field
The utility model belongs to building materials and detects, and relates to concrete quality test, particularly based on the test of reinforcing bar electrode two dimension concrete parameters.
(2) background technology
Concrete is a kind of important construction material being widely used in building construction, science of bridge building, hydraulic engineering etc., and concrete health detection and monitoring instrument ensure the permanent technological means run of concrete safety.The prediction of concrete health, forecast, diagnosis are badly in need of one of main bugbear of capturing in the world now.Highway, bridge, dam and other work covil construction, all need to carry out regular or real-time health detection and monitoring.But existing RC axial loading column means can't adapt to the needs of development completely.The patent No. is ZL 2006100200932.8 Chinese patent " concrete damage detection method and equipment based on impedance imaging ", to detect for the purpose of concrete damage, have employed the technology of impedance imaging, achieves better effects.But in actual use, because detecting electrode and concrete can not be well compatible, there is certain application limitation.
The patent No. is the Chinese patent " taking reinforcing bar as the concrete parameters detector of electrode " of ZL 2,012 1 0199249.0, utilizes the relation between emitting electrode pumping signal and the response signal of receiving electrode, judges concrete parameters.The main detected parameters of this utility model, does not detect other abnormal behaviour.
The patent No. is the Chinese patent " taking reinforcing bar as concrete monitor and the monitor and detection method of electrode " of ZL 2,013 1 0029782.7, utilizes reinforcing bar to do electrode, detects the electrical quantity between two reinforcing bar electrodes, judge concrete parameters.This utility model proposes a kind of method for supervising, but does not provide different method of testings according to the different structure of reinforced concrete.
(3) utility model content
The purpose of this utility model is providing a kind of two-dimentional concrete parameters tester based on reinforcing bar electrode, for the planar two dimension concrete being provided with parallel rebar provides health detection, Timeliness coverage concrete pathology forecasting and warning.
The purpose of this utility model reaches like this: concrete parameters measuring instrument by 4 measurement interfaces, communication interface, concrete voltage amplifier, resistance, sinusoidal signal generator, resistive voltage amplifier, concrete electric pressing mold number converter, resistive voltage analog to digital converter and microprocessor are formed.
In concrete, same level Linear lays the n root reinforcing bar electrode be parallel to each other; Reinforcing bar Electrode connection is to reinforcing bar electrode and multi-way switch stube cable, a n during reinforcing bar electrode combines with multi-way switch with multi-way switch stube cable selects the cable connector of a multi-way switch to be connected, selecting an on-off circuit by n, through measuring connector, concrete for two dimension reinforcing bar electrode and concrete parameters measuring instrument being connected; Concrete parameters measuring instrument exports data to data acquisition server.
Described reinforcing bar electrode is made up of reinforcing bar and cable-to-cable connector, and reinforcing bar and cable-to-cable connector welding, in reinforcing bar Transducers Embedded in Concrete, cable-to-cable connector exposes outside concrete, for connecting reinforcement electrode and multi-way switch stube cable.
Reinforcing bar electrode and multi-way switch stube cable by Electrode connector, the concentric cable of one one point four, 4 multi-way switch connectors are formed, and 4 multi-way switch connector sequence numbers are numbered 1-4; Multi-way switch combination selects a multi-way switch to form by four identical n, and n selects a multi-way switch by Microprocessor S3C44B0X, and 4 multi-way switchs are numbered No. 1-4 respectively; The multi-way switch number of having is n the cable connector of 1-n, and reinforcing bar Electrode connection is to Electrode connector, and n cable connector is connected with the multi-way switch connector of same sequence number, measures connector and is connected to concrete parameters metering circuit.
4 measurement interfaces of concrete parameters measuring instrument sort as measurement interface 1, measurement interface 2, measurement interface 3, measurement interface 4 successively; One end of measurement interface 4 is connected with sinusoidal signal generator, and the other end is connected with the measurement connector of No. 4 multi-way switchs; One end of measurement interface 1 is connected with resistance, and the other end is connected with the measurement connector of No. 1 multi-way switch; One end of measurement interface 3 is connected with the positive input of concrete voltage amplifier, and the other end is connected with the measurement connector of No. 3 multi-way switchs; One end of measurement interface 2 is connected with the negative input of concrete voltage amplifier, and the other end is connected with the measurement connector of No. 2 multi-way switchs; Series circuit is formed together with the output port of the concrete that measurement interface 4 is connected with measurement interface 1 and sinusoidal signal generator, resistance; Simulating signal, by after the voltage amplification between measurement interface 2 and measurement interface 3, is converted to digital signal through concrete electric pressing mold number converter and gives microprocessor by concrete voltage amplifier; Resistive voltage amplifier amplifies the voltage at resistance two ends, through resistive voltage analog to digital converter, simulating signal is converted to digital signal and gives microprocessor; The frequency of Microprocessor S3C44B0X sinusoidal signal generator; Communication interface is used for microprocessor and communicates with data acquisition server, sends the instruction of data acquisition server to microprocessor, sends the data of microprocessor to data acquisition server.
Good effect of the present utility model is:
1, detect two-dimentional concrete health status, and make quality evaluation in time to buildings, the building concrete security situation of the people's livelihood that count for much such as particularly building construction, science of bridge building, hydraulic engineering makes accurate judgment.
2, Real-Time Monitoring concrete health status, Timeliness coverage concrete pathology forecasting and warning, eliminate security incident before generation, avoid major accident to occur.
3, for two-dimentional concrete health monitoring provides testing tool, based on the two-dimentional concrete parameters tester of reinforcing bar electrode, easy to use and reliable, Detection results is remarkable.
(4) accompanying drawing explanation
Fig. 1 is the utility model main assembly schematic diagram.
Fig. 2 is planar concrete schematic diagram.
Fig. 3 is reinforcing bar electrode structure schematic diagram.
Fig. 4 is reinforcing bar electrode and multi-way switch stube cable.
Fig. 5 is that the n in multi-way switch combination selects a switch composition structural drawing.
Fig. 6 is concrete parameters metering circuit figure.
Fig. 7 is that in embodiment, n selects a switch to be chosen as 64 to select an on-off circuit figure.
Fig. 8 is sinusoidal signal generator circuit diagram in concrete parameters metering circuit.
Fig. 9 is that concrete voltage amplifier and resistive voltage amplifier adopt identical amplifying circuit
Figure 10 is in embodiment, and the circuit diagram of TMS320F2812 integrated circuit selected by microprocessor.
In figure, 1 planar concrete, 2 reinforcing bar electrodes and multi-way switch stube cable, 3 multi-way switch combinations, 4 concrete parameters metering circuits, 5 data acquisition servers, 6 concrete, 7-1 ~ 7-n reinforcing bar electrode, 8 reinforcing bars, 9 cable-to-cable connectors, 10 Electrode connectors, 11-1 ~ 11-4 mono-point of four concentric cable, 12-1 ~ 12-4 multi-way switch connector, 13n selects an on-off circuit, 14-1 ~ 14-n cable connector, 15 measure connector, 16-1 ~ 16-4 measurement interface, 17 concrete voltage amplifiers, 18 resistance, 19 sinusoidal signal generators, 20 resistive voltage amplifiers, 21 concrete electric pressing mold number converters, 22 resistive voltage analog to digital converters, 23 microprocessors, 24 communication interfaces.
(5) embodiment
The utility model is based on the concrete parameter testing of two dimension of reinforcing bar electrode.See accompanying drawing 1.One-piece construction comprises planar concrete 1, reinforcing bar electrode and multi-way switch stube cable 2, multi-way switch combines 3, concrete parameters metering circuit 4 and data acquisition server 5.
See Fig. 2,3.
According to designing requirement, determine concrete reinforcing bar electrode sum n.In the present embodiment, setting according to electrode n=64.In concrete 6, same level Linear lays the n root reinforcing bar electrode 7-1 ~ 7-n be parallel to each other, and is 1,2,3 by reinforcing bar electrode number consecutively ..., n-2, n-1, n.Reinforcing bar electrode is made up of reinforcing bar 8 and cable-to-cable connector 9, and reinforcing bar 8 and cable-to-cable connector 9 weld, and in reinforcing bar 8 Transducers Embedded in Concrete, it is outer for being connected to reinforcing bar electrode and multi-way switch stube cable 2 that cable-to-cable connector 9 exposes concrete.
See Fig. 4.
Reinforcing bar electrode and multi-way switch stube cable 2 are for being connected with multi-way switch.Reinforcing bar electrode and multi-way switch stube cable are made up of concentric cable 11,4 multi-way switch connector 12-1 ~ 12-4 of an Electrode connector 10, one one point four.Reinforcing bar electrode is numbered consistent with the numbering of multi-way switch stube cable be connected reinforcing bar electrode.4 multi-way switch connector sequence numbers are numbered 1-4, and select the cable connector of a switch to be connected with the n of same sequence number.
See Fig. 5,7.
Multi-way switch combination 3 selects a switch to form by four identical n.Select a switch to be numbered No. 1-4 respectively 4 n, n selects the use of a switch by Microprocessor S3C44B0X.
N selects a switch composition structure as Fig. 5.N select a switch by n select an on-off circuit 13, cable connector 14-1 ~ 14-n, measure connector 15 form.N selects a switch to have n cable connector, is numbered 1-n, and cable connector is connected with the multi-way switch connector of multi-way switch stube cable with the reinforcing bar electrode of same sequence number.Measure connector 15 to be connected with the measurement interface of concrete parameters metering circuit.
The n of the present embodiment selects an on-off circuit to be 64 select an on-off circuit circuit.
64 select the n of to select an on-off circuit as Fig. 7.Be made up of the chip MM74HC4051 of 9 National Semiconductors, U1 ~ U9.In figure, link N1 ~ N64 is connected with 64 BNC females respectively, and BNC female is connected with electrod-array cable detector connector.Link A, B, C, E, D, F are connected with microprocessor.
See Fig. 6,8,9,10.
Concrete parameters metering circuit is critical component of the present utility model.Concrete parameters metering circuit has 4 measurement interface 16-1 ~ 16-4, is sorted successively by measurement interface as measurement interface 1, measurement interface 2, measurement interface 3, measurement interface 4.Measurement interface 4 one end is connected with sinusoidal signal generator 19, and the other end is connected with the measurement connector 15 of No. 4 multi-way switchs.Measurement interface 1 one end is connected with resistance 18, and the other end is connected with the measurement connector 15 of No. 1 multi-way switch.Measurement interface 3 one end is connected with the positive input of concrete voltage amplifier 17, and the other end is connected with the measurement connector 15 of No. 3 multi-way switchs.Measurement interface 2 one end is connected with the negative input of concrete voltage amplifier 17, and the other end is connected with the measurement connector 15 of No. 2 multi-way switchs.Measurement interface 4 is connected with measurement interface 1 together with the output port of concrete and sinusoidal signal generator 19, resistance 18 and forms series circuit.Simulating signal, by after the voltage amplification between measurement interface 2 and measurement interface 3, is converted to digital signal through concrete electric pressing mold number converter 21 and gives microprocessor 23 by concrete voltage amplifier 17.Resistive voltage amplifier 20 amplifies the voltage at resistance 18 two ends, through resistive voltage analog to digital converter 22, simulating signal is converted to digital signal and gives microprocessor 23.The frequency of Microprocessor S3C44B0X sinusoidal signal generator.Communication interface 24 communicates with data acquisition server for microprocessor, sends the instruction of data acquisition server to microprocessor, sends the data of microprocessor to data acquisition server.
Sinusoidal signal generator circuit diagram is as Fig. 8. and sinusoidal signal generator US is DDS integrated circuit, and model is AD9852, is produced by Analog Devices company of the U.S..
Concrete voltage amplifier and resistive voltage amplifier adopt identical amplifying circuit, as Fig. 9.UA1 be National Semiconductor produce integrated circuit DAC1210, UA2 be ANALOG DEVICES company of the U.S. produce integrated circuit AD811.A_IN be analog input end, A_OUT for amplify output terminal.A_D1-A_D10 is connected to microprocessor, is set to gain size under micro-processor control.
Figure 10 is the microcontroller circuit figure that the present embodiment adopts.The integrated circuit TMS320F2812 that microprocessor selects Texas Instruments to produce, this integrated circuit is integrated with analog to digital converter.In figure, ADC_IN1 is connected to concrete voltage amplifier, and ADC_IN2 is connected to resistance soil voltage amplifier.DDS_A0-DDS_A5, DDS_D0-DDS_D7 are sinusoidal signal generator control line, are connected to sinusoidal signal generator.A_D1-A_D10 is connected to programmable amplifier, controls the enlargement factor of programmable amplifier.
Data acquisition server selects various types of computer, such as notebook or desktop computer.Be connected with microprocessor by communication interface, for sending order to microprocessor, or receive the data of microprocessor, and judge whether concrete has exception.
Communication interface circuit in the present embodiment adopts Zhengzhou one to lead Electronic Science and Technology Co., Ltd. M905R-433 wireless transparent transport module, and data acquisition server and microprocessor respectively connect one, forms wireless communication interface.
Being chosen as of the miscellaneous part of the present embodiment: cable-to-cable connector 9 is the male of bnc connector; Electrode connector 10 is the female of bnc connector; Multi-way switch connector 12 is the male of bnc connector; Cable connector 14-1 ~ 14-n is the female of bnc connector; Measuring connector 15 is the male of bnc connector; Measurement interface 16-1 ~ 16-4 is the female of bnc connector.
The detection of the utility model to two dimensional steel reinforced concrete is implemented by microprocessor.Microprocessor sends different frequency signals to sinusoidal signal generator in concrete parameters metering circuit, by the amplification to concrete voltage amplification and resistive voltage, the modulus of impedance of different frequency and the measurement and monitoring of phase place are carried out to each electrode on two-dimentional concrete.In control measurement, select different several survey frequencies by microprocessor, measure two-dimentional concrete modulus of impedance and phase value.By the concrete modulus of impedance of normal two dimension of same specification that records under different frequency and phase value, compare with tested two-dimentional concrete, judge two-dimentional concrete health status, and find out the particular location of concrete unusual condition according to the data of different measuring point.
Claims (4)
1. the two-dimentional concrete parameters tester based on reinforcing bar electrode, it is characterized in that: concrete parameters tester is by 4 measurement interfaces (16-1 ~ 16-4), communication interface (24), concrete voltage amplifier (17), resistance (18), sinusoidal signal generator (19), resistive voltage amplifier (20), concrete electric pressing mold number converter (21), resistive voltage analog to digital converter (22) and microprocessor (23) are formed;
In concrete, same level Linear lays n root reinforcing bar electrode (7-1 ~ 7-n) be parallel to each other; Reinforcing bar Electrode connection is to reinforcing bar electrode and multi-way switch stube cable (2), a n during reinforcing bar electrode combines with multi-way switch with multi-way switch stube cable (2) selects the cable connector of a multi-way switch (14-1 ~ 14-n) to be connected, selecting an on-off circuit by n, through measuring connector (15), concrete for two dimension reinforcing bar electrode and concrete parameters tester being connected; Concrete parameters tester (4) exports data to data acquisition server (5).
2. as claimed in claim 1 based on the two-dimentional concrete parameters tester of reinforcing bar electrode, it is characterized in that: described reinforcing bar electrode is made up of reinforcing bar (8) and cable-to-cable connector (9), reinforcing bar (8) and cable-to-cable connector (9) welding, in reinforcing bar (8) Transducers Embedded in Concrete, cable-to-cable connector (9) exposes outside concrete, for connecting reinforcement electrode and multi-way switch stube cable (2).
3. as claimed in claim 1 based on the two-dimentional concrete parameters tester of reinforcing bar electrode, it is characterized in that: reinforcing bar electrode and multi-way switch stube cable (2) are by Electrode connector (10), the concentric cable (11) of one one point four, 4 multi-way switch connectors (12-1 ~ 12-4) are formed, and 4 multi-way switch connector sequence numbers are numbered 1-4; Multi-way switch combination (3) selects a multi-way switch to form by four identical n, and n selects a multi-way switch to control by microprocessor (23), and 4 multi-way switchs are numbered No. 1-4 respectively; The multi-way switch number of having is n the cable connector of 1-n, reinforcing bar Electrode connection is to Electrode connector (10), n cable connector is connected with the multi-way switch connector of same sequence number, measures connector (15) and is connected to concrete parameters metering circuit (4).
4. as claimed in claim 1 based on the two-dimentional concrete parameters tester of reinforcing bar electrode, it is characterized in that: 4 measurement interfaces (16-1 ~ 16-4) of concrete parameters tester are sorted as measurement interface 1, measurement interface 2, measurement interface 3, measurement interface 4 successively; One end of measurement interface 4 is connected with sinusoidal signal generator (19), and the other end is connected with the measurement connector of No. 4 multi-way switchs; One end of measurement interface 1 is connected with resistance (18), and the other end is connected with the measurement connector (15) of No. 1 multi-way switch; One end of measurement interface 3 is connected with the positive input of concrete voltage amplifier (17), and the other end is connected with the measurement connector (15) of No. 3 multi-way switchs; One end of measurement interface 2 is connected with the negative input of concrete voltage amplifier (17), and the other end is connected with the measurement connector (15) of No. 2 multi-way switchs; Series circuit is formed together with the output port of the concrete that measurement interface 4 is connected with measurement interface 1 and sinusoidal signal generator, resistance; Simulating signal, by after the voltage amplification between measurement interface 2 and measurement interface 3, is converted to digital signal through concrete electric pressing mold number converter (21) and gives microprocessor (23) by concrete voltage amplifier (17); Resistive voltage amplifier (20) amplifies the voltage at resistance two ends, through resistive voltage analog to digital converter (22), simulating signal is converted to digital signal and gives microprocessor; The frequency of Microprocessor S3C44B0X sinusoidal signal generator (19); Communication interface (24) communicates with data acquisition server for microprocessor, sends the instruction of data acquisition server to microprocessor, sends the data of microprocessor to data acquisition server.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372297A (en) * | 2015-10-25 | 2016-03-02 | 泉州市南安市轴飞电子科技有限公司 | System for achieving real-time monitoring through mobile phone |
| CN106018486A (en) * | 2016-07-22 | 2016-10-12 | 四川大学 | One-dimensional coaxial reinforced concrete member measuring device and method based on frequency domain reflection |
-
2015
- 2015-06-11 CN CN201520402393.9U patent/CN204694667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372297A (en) * | 2015-10-25 | 2016-03-02 | 泉州市南安市轴飞电子科技有限公司 | System for achieving real-time monitoring through mobile phone |
| CN106018486A (en) * | 2016-07-22 | 2016-10-12 | 四川大学 | One-dimensional coaxial reinforced concrete member measuring device and method based on frequency domain reflection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20180611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |