CN211425432U - Handheld seismic source high-precision time service detection device - Google Patents
Handheld seismic source high-precision time service detection device Download PDFInfo
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- CN211425432U CN211425432U CN201922192847.5U CN201922192847U CN211425432U CN 211425432 U CN211425432 U CN 211425432U CN 201922192847 U CN201922192847 U CN 201922192847U CN 211425432 U CN211425432 U CN 211425432U
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- pressure sensor
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- seismic source
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
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- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model discloses a hand-held type focus high accuracy time service detection device mainly solves and has the focus constantly to carve not clearly under the small-scale vibration detection scene such as bridge, road bed detection, and there is great time difference constantly with the vibrations timing in vibrations emergence, leads to the not good problem of testing effect. The detection device comprises a singlechip, a display screen, a USB interface, a rechargeable power supply, a high-precision GPS module, an A/D converter, an operational amplifier, a pressure sensor and a handheld seismic source, wherein the display screen, the USB interface, the rechargeable power supply, the high-precision GPS module and the A/D converter are all connected with the singlechip; wherein the handheld seismic source is also connected with a pressure sensor. Through the design, the utility model discloses utilize the hand-held type focus to strike the pressure value that produces and obtain by pressure sensor, acquire through the high accuracy GPS time service simultaneously to reduce the interval error between initial shock time and the time service time, improve detection device's detection effect. Therefore, the method is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of detecting instrument technique and specifically relates to a hand-held type focus high accuracy time service detection device is related to.
Background
The hand-held high-precision seismic source time service device is an important safety detection instrument for measuring road bed and bridge damage and preventing bridge collapse and inclination accidents in the industries of road and bridge detection and the like, and besides, the device needs to be sent to a measurement supervision department according to a specified period for verification, a user also needs to carry out daily calibration, and the reliability and the measurement precision of the device are kept at any time. The main problems and defects of the existing handheld seismic source device are as follows:
(1) the description of the earthquake source at the initial earthquake moment is not accurate, and a high-precision time service triggering mechanism is not provided, so that great errors exist in the subsequent inversion calculation;
(2) the device has no automatic reading system and cannot realize automatic generation of the original timestamp.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hand-held type focus high accuracy time service detection device, it is unclear mainly to solve current detection device focus constantly portrayal under the small-scale vibration detection scene such as bridge, road bed detection, and there is great time difference constantly with the vibrations timing in vibrations emergence, leads to the not good problem of testing effect.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high-precision time service detection device for a handheld seismic source comprises a single chip microcomputer, a display screen, a USB interface, a rechargeable power supply, a high-precision GPS module, an A/D converter, an operational amplifier, a pressure sensor and the handheld seismic source, wherein the display screen, the USB interface, the rechargeable power supply, the high-precision GPS module and the A/D converter are all connected with the single chip microcomputer; wherein the handheld seismic source is also connected with a pressure sensor.
Further, the pressure sensor adopts a solid-state piezoresistive pressure sensor, a strain gauge pressure sensor or a diffused silicon pressure sensor.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to a rationally, convenient to use, easy operation.
(2) The utility model discloses an integrative setting of sensor and time service ware to through the control and the data processing of singlechip, the pressure value that hand-held type focus was strikeed and is produced is obtained by pressure sensor, acquires through the high accuracy GPS time service simultaneously, thereby reduces the interval error between preliminary earthquake time and the time service time, improves detection device's detection effect.
(3) The utility model discloses a set up operational amplifier, make detection device table source an organic whole, realize range automatic switch-over, consequently convenient to carry, easy operation adopt the anti-method of examining at this type of device, realize the automatic reading of data, and generate original timestamp, therefore also improved user's experience degree by a wide margin.
(4) The utility model discloses a model is STM32F407ZGT 6's singlechip, and it has the advantage that the processing speed is fast, the data processing volume is big, therefore is particularly suitable for being used as high accuracy time service detection device's control chip.
(5) The utility model discloses the sexual valence relative altitude, the time service precision is accurate, and easily batch manufacturing production, consequently, it has extensive market perspective, is suitable for popularization and application.
Drawings
Fig. 1 is a system block diagram of the present invention.
Fig. 2 is a schematic diagram of a single chip microcomputer circuit according to an embodiment of the present invention.
Fig. 3 is a power supply schematic diagram of the interface between the display screen and the single chip microcomputer according to the embodiment of the present invention.
Fig. 4 is a power supply schematic diagram of a USB interface according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1-4, the utility model discloses a high-precision time service detection device for a handheld seismic source, which comprises a single chip microcomputer, a display screen, a USB interface, a rechargeable power supply, a high-precision GPS module and an A/D converter which are all connected with the single chip microcomputer, an operational amplifier connected with the A/D converter, and a pressure sensor and a handheld seismic source which are connected with the operational amplifier; wherein the handheld seismic source is also connected with a pressure sensor.
The signal amplifier is a 7650 model signal amplifier, the high-precision GPS module is a UP501 model high-precision GPS module, the A/D converter is an AD7190 model A/D converter, the singlechip is an STM32F407ZGT6 model singlechip, and the rechargeable power supply 8 adopts 10000 milliamperes rechargeable batteries. The pressure sensor adopts a solid piezoresistive pressure sensor, a strain gauge pressure sensor or a diffused silicon pressure sensor.
The physical quantity measured by the device is pressure and time, the pressure value generated by the handheld seismic source knocking can be obtained by a pressure sensor, a timestamp is obtained by time service of a high-precision GPS module, a single chip microcomputer is used for processing the timestamp into a digital electric signal, and the initial earthquake time of knocking vibration is directly displayed by a display.
The pressure sensor is arranged on the fixing frame, the pressure electric signal is input into the measuring circuit, the high-precision GPS is also arranged on the fixing frame, the antenna of the high-precision GPS is arranged in an open area, the GPS signal is input into the measuring circuit through a signal line, and the singlechip is connected with the GPS signal and the pressure signal according to an operation instruction.
When pressure acts on the pressure sensor, a voltage signal which is in direct proportion to the voltage is output, and after amplification, A/D conversion and microprocessing, a corresponding pressure value is displayed on a display; meanwhile, after the high-precision GPS signals are subjected to micro-processing, the corresponding time stamps are displayed on a display. Specifically, an electric signal which is generated by a handheld seismic source and a pressure sensor in the device and is in direct proportion to a pressure value is input into a singlechip through an A/D converter through a 0-7KPa operational amplifier respectively, and the A/D converter converts an electric analog signal which is in direct proportion to the pressure value into a digital signal and transmits the digital signal to the singlechip for data processing; meanwhile, high-precision GPS signals are transmitted to the single chip microcomputer for data processing, and data acquisition and control can be achieved through the USB interface and the device.
Through the design, the utility model discloses utilize the hand-held type focus to strike the pressure value that produces and obtain by pressure sensor, acquire through the high accuracy GPS time service simultaneously to reduce the interval error between initial shock time and the time service time, improve detection device's detection effect. Therefore, compared with the prior art, the method has substantial characteristics and progress.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (2)
1. A high-precision time service detection device for a handheld seismic source is characterized by comprising a single chip microcomputer, a display screen, a USB interface, a rechargeable power supply, a high-precision GPS module, an A/D converter, an operational amplifier, a pressure sensor and the handheld seismic source, wherein the display screen, the USB interface, the rechargeable power supply, the high-precision GPS module and the A/D converter are all connected with the single chip microcomputer; wherein the handheld seismic source is also connected with a pressure sensor.
2. The device for detecting the high-precision time service of the seismic source of claim 1, wherein the pressure sensor is a solid-state piezoresistive pressure sensor, a strain gauge pressure sensor or a diffused silicon pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192847.5U CN211425432U (en) | 2019-12-10 | 2019-12-10 | Handheld seismic source high-precision time service detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192847.5U CN211425432U (en) | 2019-12-10 | 2019-12-10 | Handheld seismic source high-precision time service detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211425432U true CN211425432U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922192847.5U Expired - Fee Related CN211425432U (en) | 2019-12-10 | 2019-12-10 | Handheld seismic source high-precision time service detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211425432U (en) |
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2019
- 2019-12-10 CN CN201922192847.5U patent/CN211425432U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |