CN204882886U - Measure device of spectrum intensity of ground shockproofness - Google Patents
Measure device of spectrum intensity of ground shockproofness Download PDFInfo
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- CN204882886U CN204882886U CN201520601634.2U CN201520601634U CN204882886U CN 204882886 U CN204882886 U CN 204882886U CN 201520601634 U CN201520601634 U CN 201520601634U CN 204882886 U CN204882886 U CN 204882886U
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- digital signal
- signal processor
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- spectrum intensity
- earth shock
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Abstract
The utility model discloses a measure device of spectrum intensity of ground shockproofness, include: the casing, lieing in casing inside digital signal processor, steady voltage integrated circuit, three axial MEMS sensors, outside crystal oscillator and serial RS232 interface chips and lieing in housing face's power indicator and second pulse pilot lamp, a steady voltage integrated circuit and an external power source are connected, three axial MEMS sensors pass through the SPI interface and are connected with digital signal processor, outside crystal oscillator is used for providing clock signal for digital signal processor, power indicator is used for instructing measure device of spectrum intensity of ground shockproofness's supply voltage state, the second pulse pilot lamp is used for instructing measure device of spectrum intensity of ground shockproofness's running state, serial RS232 interface chips passes through the total interface of SCI and is connected with digital signal processor, and serial RS232 interface chips still is connected with a host computer or a data logger to send the spectrum intensity of ground shockproofness to host computer or data logger.
Description
Technical field
The utility model relates to seismic monitoring system field, in particular to a kind of device measuring the spectrum intensity of earth shock intensity.
Background technology
In order to detect the destructiveness of earthquake to building structure, generally will under geological process, the acceleration peak value (PGA) of ground motion and the velocity peak values (PGV) of ground motion mainly detect foundation to being used as of buildings.But, corresponding relation between PGA or PGV and the destructiveness of fabric structure sometimes and be not exclusively directly proportional, and, during due to every secondary earthquake generation, the parameter difference such as the complicacy of earthquake source, transmission path, fabric structure and site condition are very large, therefore rely on the relation that single a kind of parameter is difficult between the intensity of complete description seismic activity and the destructiveness of building.Therefore the intensity comprehensively adopting many kinds of parameters to describe ground motion has more referential.
The response spectrum corresponding by seismic surface structures structure motion is called earthquake response spectrum.The input reaction of surface structures structure to seismic activity can be divided into acceleration response, speed responsing and displacement response, acceleration response spectrum, velocity response spectrum and displacement response spectrum respectively in corresponding earthquake response spectrum.Earthquake response spectrum reflects the impact of seismic event on building structure.Spectral analysis method in conventional antiseismic engineering design, such as Fourier spectrum process, its analysis result only represents the frequency characteristic of seismic event, cannot corresponsively seismic wave for the effect of building structure and reporting situations of structure.Earthquake response spectrum then represents ground seismic wave function in the maximum reaction of single-degree-of-freedom building structure.Wherein, acceleration response spectrum reflects ground seismic wave function in structural power, and corresponding to natural period and the damping ratio of structure, acceleration response spectrum reflects the maximum absolute acceleration acting on structure.Velocity response spectrum illustrates the ceiling capacity that earthquake motion acts on structure.Displacement response spectrum represents the maximum strain of structure under ground seismic wave function, and it is relevant with the stress caused in structure.Therefore analysis of Earthquake Response Spectrum in the engineer applied such as structural seismic widely.The spectrum intensity of earth shock intensity according to ground vertically, the oscillatory acceleration of east-west direction and North and South direction calculates, its numerical values recited can as the index evaluating destructive power of the earthquake, for antiseismic engineering design provides reference.
Therefore, currently a kind of device that can detect the spectrum intensity of earth shock intensity is needed badly, to evaluate the destructive power of earthquake more accurately when earthquake occurs.
Utility model content
The utility model provides a kind of device measuring the spectrum intensity of earth shock intensity, in order to detect the spectrum intensity of earth shock intensity when earthquake occurs.
For achieving the above object, the utility model provides a kind of device measuring the spectrum intensity of earth shock intensity, it comprises: housing, be positioned at the digital signal processor of enclosure interior, integrated regulator, three axial MEMS sensor, external crystal-controlled oscillation and serial RS232 interface chip and be positioned at power light and the pulse per second (PPS) pilot lamp of surface of shell, described digital signal processor and described integrated regulator, described three axial MEMS sensor, described external crystal-controlled oscillation, described power light, described pulse per second (PPS) pilot lamp is connected with described serial RS232 interface chip, wherein,
Described integrated regulator is connected with an external power source, for by the voltage transitions of described external power source for providing the device of the spectrum intensity giving described measurement earth shock intensity after a stabilized voltage supply;
Described three axial MEMS sensor are connected with described digital signal processor by SPI interface, for gather ground vertically, the oscillatory acceleration of east-west direction and North and South direction send it to described digital signal processor;
Described digital signal processor according to ground vertically, the oscillatory acceleration of east-west direction and North and South direction calculates the spectrum intensity of earth shock intensity;
Described external crystal-controlled oscillation is used for providing clock signal for described digital signal processor;
Described power light is used to indicate the power supply supply status of the device of the spectrum intensity of described measurement earth shock intensity;
Described pulse per second (PPS) pilot lamp is used to indicate the running status of the device of the spectrum intensity of described measurement earth shock intensity;
Described serial RS232 interface chip is connected with described digital signal processor by the total interface of SCI, described serial RS232 interface chip is also connected with a host computer or a data recorder, so that the spectrum intensity of described earth shock intensity is sent to described host computer or data recorder.
Preferably, described digital signal processor is TMS320F28035.
Preferably, described integrated regulator is AMS1117.
Preferably, described three axial MEMS sensor are ADXL362.
Preferably, the frequency of described external crystal-controlled oscillation is 10MHz.
Preferably, described serial RS232 interface chip is MAX3232.
Preferably, described digital signal processor inside also comprises a reset circuit, and described reset circuit is used for providing reset signal for described digital signal processor, described digital signal processor power on or operation exception time it is resetted.
The device of the spectrum intensity of the measurement earth shock intensity that the utility model provides by gather ground vertically, the oscillatory acceleration of east-west direction and North and South direction calculates the spectrum intensity of earth shock intensity, thus data reference can be provided for the destructive power evaluating earthquake more accurately, there is stronger practicality.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the device of the spectrum intensity of the measurement earth shock intensity of the utility model one embodiment.
Description of reference numerals: 1-housing; 2-digital signal processor; 21-reset circuit; 3-integrated regulator; The axial MEMS sensor of 4-tri-; 5-external crystal-controlled oscillation; 6-serial RS232 interface chip; 7-power light; 8-pulse per second (PPS) pilot lamp; 9-external power source.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the device of the spectrum intensity of the measurement earth shock intensity of the utility model one embodiment, as shown in the figure, the device of the spectrum intensity of the measurement earth shock intensity that the utility model provides comprises: housing 1, be positioned at the digital signal processor 2 of housing 1 inside, integrated regulator 3, three axial MEMS sensor 4, external crystal-controlled oscillation 5 and serial RS232 interface chip 6 and be positioned at power light 7 and the pulse per second (PPS) pilot lamp 8 on housing 1 surface, digital signal processor 2 and integrated regulator 3, three axial MEMS sensor 4, external crystal-controlled oscillation 5, power light 7, pulse per second (PPS) pilot lamp 8 is connected with serial RS232 interface chip 6, wherein,
Integrated regulator 3 is connected with an external power source 9, for the voltage transitions of external power source 9 is given the utility model for providing after a stabilized voltage supply, integrated regulator 3 can be AMS1117, external power source 9 can adopt 5V Power supply, and AMS1117 is supplied to digital signal processor 2 and other electrical equipments after 3.3V power supply;
Three axial MEMS sensor 4 are connected with digital signal processor 2 by SPI interface, for gather ground vertically, the oscillatory acceleration of east-west direction (X-axis) and North and South direction (Y-axis) send it to digital signal processor 2, three axial MEMS sensor 4 can be that ADXL362, ADXL362 are connected to obtain electric power with the 3.3V power supply after conversion;
Digital signal processor 2 according to ground vertically, the oscillatory acceleration of east-west direction and North and South direction calculates the spectrum intensity of earth shock intensity, digital signal processor 2 can be TMS320F28035;
External crystal-controlled oscillation 5 is for providing clock signal for digital signal processor 2, the frequency of external crystal-controlled oscillation 5 can be 10MHz, and external crystal-controlled oscillation 5 is inputted by X1 and the X2 pin of digital signal processor 2, for digital signal processor 2 and related peripherals provide clock signal, through inner frequency multiplication, digital signal processor 2 runs on 60MHz;
Power light 7 is used to indicate power supply supply status of the present utility model;
Pulse per second (PPS) pilot lamp 8 is used to indicate running status of the present utility model;
Serial RS232 interface chip 6 is connected with digital signal processor 2 by the total interface of SCI, serial RS232 interface chip 6 can be MAX3232, serial RS232 interface chip 6 is also connected (not shown) with a host computer or a data recorder, so that the spectrum intensity of earth shock intensity is sent to host computer or data recorder.In addition, the data receiver RXIN of MAX3232 is connected with serial line interface TX, receives the order that host computer sends.The data sending terminal TXOUT of MAX3232 is connected with serial line interface RX, sends data to host computer.The GPIO28/SCIRX of data receiver RX and the TMS320F28035 of MAX3232 is connected, and the GPIO29/SCITX of TX and TMS320F28035 is connected.
Digital signal processor 2 inside also comprises a reset circuit 21, reset circuit 21 for providing reset signal for digital signal processor 2, digital signal processor 2 power on or operation exception time it is resetted.
It is 100Hz that the utility model can set sample frequency, and measurement range selection is ± 2g.The INT1 pin of ADXL362 be set as new data be ready to produce interrupt, Low level effective being connected with the GPIO_00 pin of digital signal processor 2.Setting external interrupt INT1, rising edge triggers, and ADXL362 DSR draws high INT1 pin, indicates that new data can read.The SPI interface of digital signal processor 2 adopts 4 line systems, the CS pin of ADXL362 is connected with the SPISTEA/GPIO_19 of processor, MISO pin is connected with processor SPISOMIA/GPIO_03, MOSI pin is connected with the SPISIMOA/GPIO_05 of digital signal processor 2, and SCLK pin is connected with the SPICLKA/GPIO_18 of digital signal processor 2.
Power light 7 is lighted when the utility model powers up and starts working, pulse per second (PPS) pilot lamp 8 controls by the output general-purpose interface GPIO_31 of digital signal processor 2, by setting the timer of digital signal processor 2 inside, every 500ms indicates pulse per second (PPS) pilot lamp 8 light on and off upset once, to indicate running status of the present utility model.
The device of the spectrum intensity of the measurement earth shock intensity that the utility model provides by gather ground vertically, the oscillatory acceleration of east-west direction and North and South direction calculates the spectrum intensity of earth shock intensity, thus data reference can be provided for the destructive power evaluating earthquake more accurately, there is stronger practicality.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (7)
1. measure the device of the spectrum intensity of earth shock intensity for one kind, it is characterized in that, comprise: housing, the digital signal processor being positioned at enclosure interior, integrated regulator, three axial MEMS sensor, external crystal-controlled oscillation and serial RS232 interface chip and be positioned at power light and the pulse per second (PPS) pilot lamp of surface of shell, described digital signal processor is connected with described integrated regulator, described three axial MEMS sensor, described external crystal-controlled oscillation, described power light, described pulse per second (PPS) pilot lamp and described serial RS232 interface chip, wherein
Described integrated regulator is connected with an external power source, for by the voltage transitions of described external power source for providing the device of the spectrum intensity giving described measurement earth shock intensity after a stabilized voltage supply;
Described three axial MEMS sensor are connected with described digital signal processor by SPI interface, for gather ground vertically, the oscillatory acceleration of east-west direction and North and South direction send it to described digital signal processor;
Described digital signal processor according to ground vertically, the oscillatory acceleration of east-west direction and North and South direction calculates the spectrum intensity of earth shock intensity;
Described external crystal-controlled oscillation is used for providing clock signal for described digital signal processor;
Described power light is used to indicate the power supply supply status of the device of the spectrum intensity of described measurement earth shock intensity;
Described pulse per second (PPS) pilot lamp is used to indicate the running status of the device of the spectrum intensity of described measurement earth shock intensity;
Described serial RS232 interface chip is connected with described digital signal processor by the total interface of SCI, described serial RS232 interface chip is also connected with a host computer or a data recorder, so that the spectrum intensity of described earth shock intensity is sent to described host computer or data recorder.
2. the device of the spectrum intensity of measurement earth shock intensity according to claim 1, is characterized in that, described digital signal processor is TMS320F28035.
3. the device of the spectrum intensity of measurement earth shock intensity according to claim 1, is characterized in that, described integrated regulator is AMS1117.
4. the device of the spectrum intensity of measurement earth shock intensity according to claim 1, is characterized in that, described three axial MEMS sensor are ADXL362.
5. the device of the spectrum intensity of measurement earth shock intensity according to claim 1, is characterized in that, the frequency of described external crystal-controlled oscillation is 10MHz.
6. the device of the spectrum intensity of measurement earth shock intensity according to claim 1, is characterized in that, described serial RS232 interface chip is MAX3232.
7. the device of the spectrum intensity of measurement earth shock intensity according to claim 1, it is characterized in that, described digital signal processor inside also comprises a reset circuit, described reset circuit is used for providing reset signal for described digital signal processor, described digital signal processor power on or operation exception time it is resetted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520601634.2U CN204882886U (en) | 2015-08-11 | 2015-08-11 | Measure device of spectrum intensity of ground shockproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520601634.2U CN204882886U (en) | 2015-08-11 | 2015-08-11 | Measure device of spectrum intensity of ground shockproofness |
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| Publication Number | Publication Date |
|---|---|
| CN204882886U true CN204882886U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520601634.2U Expired - Fee Related CN204882886U (en) | 2015-08-11 | 2015-08-11 | Measure device of spectrum intensity of ground shockproofness |
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2015
- 2015-08-11 CN CN201520601634.2U patent/CN204882886U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20170811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |