CN204514565U - Based on the structures Defect inspection system of response spectra characteristic during foment - Google Patents
Based on the structures Defect inspection system of response spectra characteristic during foment Download PDFInfo
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- CN204514565U CN204514565U CN201520250505.3U CN201520250505U CN204514565U CN 204514565 U CN204514565 U CN 204514565U CN 201520250505 U CN201520250505 U CN 201520250505U CN 204514565 U CN204514565 U CN 204514565U
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Abstract
The utility model discloses a kind of structures Defect inspection system based on response spectra characteristic during foment, it comprises the multiple sensor, excitation object structures being applied to dynamic load, signal conversion module that the time domain waveform signal that obtains sensor transforms and the analysis and processing module of signal being carried out to analyzing and processing that are arranged at structures surface; The input end of described sensor receives excitation object applies dynamic load vibration to structures, and the output terminal of sensor is connected with signal conversion module, and the output terminal of signal conversion module is connected with analysis and processing module.The utility model applies the system that the response spectra characteristic produced when structures are energized carries out its Defect inspection, is applicable to the various structures such as building, traffic, work China Democratic National Construction Association and massif bank protection; The integrity of structures can be judged rapidly and accurately, in real time its safe condition of monitoring; And any damage can not be caused to structures.
Description
Technical field
The utility model relates to a kind of structures Defect inspection system based on response spectra characteristic during foment.
Background technology
Along with the high speed development of state fundamental construction, the various structures such as a large amount of building facilities, traffic, work China Democratic National Construction Association and massif bank protection are rised sheer from level ground like the mushrooms after rain.But, after the heavier large disaster such as earthquake or flood occurs, how fast and accurately state evaluation to be carried out to disaster area structures, guarantee order such as resuming traffic as early as possible; The after date when running use one, how the safety and Health state of structures judges, whether its structures exist disease, how to find out disease structure timely and accurately and to carry out renovating etc. the foundation of security system, management organization at different levels of Ru Liao China and gerentocratic agenda are put forward at present, particularly after disaster such as experience earthquake etc., the focus that the state of the art of its structure structure is paid close attention to especially.Further, in China's rapid economic development epoch, the swift and violent expansion of capital construction, the structures safety-monitoring index such as the safe condition of project delivery method, existing buildings are more and more paid attention to by relevant administrative authority.
Therefore need one effectively to solve the problem, the integrity of structures can be judged rapidly and accurately, in real time its safe condition of monitoring; Structures " health " archives can also be set up, for national management department provides definite management data reliably, for decision maker provides basic technology data.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of structures Defect inspection system based on response spectra characteristic during foment.
The purpose of this utility model is achieved through the following technical solutions: based on the structures Defect inspection system of response spectra characteristic during foment, and it comprises the multiple sensor, excitation object structures being applied to dynamic load, signal conversion module that the time domain waveform signal that obtains sensor transforms and the analysis and processing module of signal being carried out to analyzing and processing that are arranged at structures surface; The input end of described sensor receives excitation object applies dynamic load vibration to structures, and the output terminal of sensor is connected with signal conversion module, and the output terminal of signal conversion module is connected with analysis and processing module.
Described signal conversion module comprises signal conditioning circuit and ADC analog-to-digital conversion device; The input end of described signal conditioning circuit is connected with sensor, and the output terminal of signal conditioning circuit is connected with ADC analog-to-digital conversion device, and the output terminal of ADC analog-to-digital conversion device is connected with analysis and processing module.
Described signal conditioning circuit comprises charge amplifier, gain amplifier and wave filter; The input end of described charge amplifier is connected with sensor, and the output terminal of charge amplifier is connected with gain amplifier, and the output terminal of gain amplifier is connected with wave filter, and the output terminal of wave filter is connected with ADC analog to digital converter.
Described analysis and processing module comprises a microcontroller, and the signal input part of microcontroller is connected with ADC analog to digital converter.
Described analysis and processing module also comprises display, wireless communication module, Surveillance center, USB interface; The output terminal of microcontroller is connected with display by bus, and microcontroller also carries out telecommunication by wireless communication module and Surveillance center, also by the external input-output device of USB interface or memory device.
Structures Defect inspection system based on response spectra characteristic during foment also comprises a supply module, described supply module comprises controller for solar, solar battery group, battery pack and inverter, solar battery group is connected with controller for solar respectively with accumulator, and controller for solar is that each device is powered by inverter.
Described excitation object comprises mallet, heavy ball, high-pressure airgun and adjustment vibrator.
The beneficial effects of the utility model are: the utility model applies the system that the response spectra characteristic produced when structures are energized carries out its Defect inspection, is applicable to the various structures such as building, traffic, work China Democratic National Construction Association and massif bank protection; The integrity of structures can be judged rapidly and accurately, in real time its safe condition of monitoring; And can not damage to some extent lining quality; The result of the judgement disease of structures is gathered, structures " health " archives can be set up, for national management department provides definite management data reliably, for decision maker provides basic technology data; Adopt ICP acceleration transducer, accuracy of detection is high, is not subject to site environment interference, adaptable, and its signal exported can join long cable, and does not affect measuring accuracy, practical.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is signal conditioning circuit structural representation;
Fig. 3 is supply module structural representation.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, based on the structures Defect inspection system of response spectra characteristic during foment, it comprises the multiple sensor, excitation object structures being applied to dynamic load, signal conversion module that the time domain waveform signal that obtains sensor transforms and the analysis and processing module of signal being carried out to analyzing and processing that are arranged at structures surface; The input end of described sensor receives excitation object applies dynamic load vibration to structures, and the output terminal of sensor is connected with signal conversion module, and the output terminal of signal conversion module is connected with analysis and processing module.
If structures are conformation of rules, arrange three sensors in the side of structures, spacing is h/4, and arrange three sensors at the end face of structures, spacing is b/4; Wherein, the height of the side of structures is h, and the width of the end face of structures is b; The advantage of what spacing was identical arranged sensor is the mode of oscillation in order to accurately measure structure.Because determine that the position of the deformation response node of mode of oscillation is the multiple proportion of component length 1/2.And general civil structure uses 2 mode, so be h/4 or b/4;
If structures are irregular form, then according to the state of object or landform, consider that the mode of oscillation of structure is arranged at random.
Described signal conversion module comprises signal conditioning circuit and ADC analog-to-digital conversion device; The input end of described signal conditioning circuit is connected with sensor, and the output terminal of signal conditioning circuit is connected with ADC analog-to-digital conversion device, and the output terminal of ADC analog-to-digital conversion device is connected with analysis and processing module.
As shown in Figure 2, described signal conditioning circuit comprises charge amplifier, gain amplifier and wave filter; The input end of described charge amplifier is connected with sensor, and the output terminal of charge amplifier is connected with gain amplifier, and the output terminal of gain amplifier is connected with wave filter, and the output terminal of wave filter is connected with ADC analog to digital converter.
Described analysis and processing module comprises a microcontroller, and the signal input part of microcontroller is connected with ADC analog to digital converter.
Described analysis and processing module also comprises display, wireless communication module, Surveillance center, USB interface; The output terminal of microcontroller is connected with display by bus, and microcontroller also carries out telecommunication by wireless communication module and Surveillance center, also by the external input-output device of USB interface or memory device.
As shown in Figure 3, structures Defect inspection system based on response spectra characteristic during foment also comprises a supply module, described supply module comprises controller for solar, solar battery group, battery pack and inverter, solar battery group is connected with controller for solar respectively with accumulator, and controller for solar is that each device is powered by inverter.
Described excitation object comprises mallet, heavy ball, high-pressure airgun and adjustment vibrator.
(1) if sensor setting is in the side of structures, and the bottom of structures is applicable to instigator stands, then use mallet to knock by instigator and apply dynamic load to the side of structures;
(2) if sensor setting is in the side of structures, and the bottom of structures is not suitable for instigator stands, and the top of structures facilitates instigator to stand, then stand in structures top by instigator and use heavy ball to clash into structures side to apply dynamic load;
(3) if sensor setting is in the side of structures, and there is soil pressure effect the behind of structures, and when restricting the vibration of structures, then the mode of being shaken by the adjustment vibrator being arranged at structures top applies dynamic load to structures;
(4) if sensor setting is in the end face of structures, then the mode that instigator is excited by high-pressure airgun applies dynamic load to the end face of structures.
Claims (9)
1. based on the structures Defect inspection system of response spectra characteristic during foment, it is characterized in that: it comprises the multiple sensor, excitation object structures being applied to dynamic load, signal conversion module that the time domain waveform signal that obtains sensor transforms and the analysis and processing module of signal being carried out to analyzing and processing that are arranged at structures surface; The input end of described sensor receives excitation object applies dynamic load vibration to structures, and the output terminal of sensor is connected with signal conversion module, and the output terminal of signal conversion module is connected with analysis and processing module.
2. the structures Defect inspection system based on response spectra characteristic during foment according to claim 1, is characterized in that: described signal conversion module comprises signal conditioning circuit and ADC analog-to-digital conversion device; The input end of described signal conditioning circuit is connected with sensor, and the output terminal of signal conditioning circuit is connected with ADC analog-to-digital conversion device, and the output terminal of ADC analog-to-digital conversion device is connected with analysis and processing module.
3. the structures Defect inspection system based on response spectra characteristic during foment according to claim 2, is characterized in that: described signal conditioning circuit comprises charge amplifier, gain amplifier and wave filter; The input end of described charge amplifier is connected with sensor, and the output terminal of charge amplifier is connected with gain amplifier, and the output terminal of gain amplifier is connected with wave filter, and the output terminal of wave filter is connected with ADC analog to digital converter.
4. the structures Defect inspection system based on response spectra characteristic during foment according to claim 1, it is characterized in that: described analysis and processing module comprises a microcontroller, the signal input part of microcontroller is connected with ADC analog to digital converter.
5. the structures Defect inspection system based on response spectra characteristic during foment according to claim 4, is characterized in that: described analysis and processing module also comprises display, wireless communication module, Surveillance center, USB interface; The output terminal of microcontroller is connected with display by bus, and microcontroller also carries out telecommunication by wireless communication module and Surveillance center, also by the external input-output device of USB interface or memory device.
6. the structures Defect inspection system based on response spectra characteristic during foment according to claim 1, it is characterized in that: it also comprises a supply module, described supply module comprises controller for solar, solar battery group, battery pack and inverter, solar battery group is connected with controller for solar respectively with accumulator, and controller for solar is that each device is powered by inverter.
7. the structures Defect inspection system based on response spectra characteristic during foment according to claim 1, is characterized in that: described excitation object comprises mallet, heavy ball, high-pressure airgun and adjustment vibrator.
8. the structures Defect inspection system based on response spectra characteristic during foment according to claim 1, is characterized in that: described sensor is acceleration transducer.
9. the structures Defect inspection system based on response spectra characteristic during foment according to claim 8, is characterized in that: described acceleration transducer is ICP acceleration transducer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807607A (en) * | 2015-04-23 | 2015-07-29 | 成都畅达通地下工程科技发展有限公司 | Structure disease detecting system based on response spectrum characteristic in excited state and detecting method thereof |
| CN109489795A (en) * | 2018-12-28 | 2019-03-19 | 晋江万芯晨电子科技有限公司 | A kind of self-energizing vibrating sensor |
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2015
- 2015-04-23 CN CN201520250505.3U patent/CN204514565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807607A (en) * | 2015-04-23 | 2015-07-29 | 成都畅达通地下工程科技发展有限公司 | Structure disease detecting system based on response spectrum characteristic in excited state and detecting method thereof |
| CN109489795A (en) * | 2018-12-28 | 2019-03-19 | 晋江万芯晨电子科技有限公司 | A kind of self-energizing vibrating sensor |
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Address after: 610017 Sichuan province Chengdu city Chengdu high tech Zone Yizhou Avenue in the middle of 1800 No. 4 Building 3 layer 301, 302, 303 Patentee after: Chengdu accessible testing technology Limited by Share Ltd Address before: Dr. Park No. 5 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610017 Patentee before: Chengdu Changdatong Underground Engineering Technology Development Co., Ltd. |
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Effective date of registration: 20170120 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: Chengdu accessible testing technology Limited by Share Ltd Address before: 610017 Sichuan province Chengdu city Chengdu high tech Zone Yizhou Avenue in the middle of 1800 No. 4 Building 3 layer 301, 302, 303 Patentee before: Chengdu accessible testing technology Limited by Share Ltd |