CN214702509U - Acceleration calibration equipment - Google Patents
Acceleration calibration equipment Download PDFInfo
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- CN214702509U CN214702509U CN202121246718.0U CN202121246718U CN214702509U CN 214702509 U CN214702509 U CN 214702509U CN 202121246718 U CN202121246718 U CN 202121246718U CN 214702509 U CN214702509 U CN 214702509U
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- acceleration sensor
- acceleration
- signal
- calibration
- vibration exciter
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model provides an acceleration calibration equipment, including calibration bench and system control device, be provided with signal generation device, signal amplification device, vibration exciter, first acceleration sensor, second acceleration sensor and signal acquisition device on the calibration bench, system control device with signal generation device with signal acquisition device connects, signal generation device with signal amplification device connects, signal amplification device with the vibration exciter is connected, the vibration exciter with first acceleration sensor with the second acceleration sensor is connected, first acceleration sensor with the second acceleration sensor with signal acquisition device is connected; the whole set of equipment has high integration, convenient operation and wide application range, and can calibrate and calibrate various vibration sensors.
Description
Technical Field
The utility model relates to an acceleration calibration field, concretely relates to acceleration calibration equipment.
Background
The development of modern test technology towards digitization and informatization is a certain development trend, and the most front end of a test system is a sensor, which is the soul of the whole test system and listed as the top technology by countries in the world, in particular to the IC technology and the computer technology which are rapidly developed in recent years, so that a good and reliable scientific and technical basis is provided for the development of the sensor. The development of the sensor is growing day after month, and digitization, multiple functions and intellectualization are important characteristics of the development of the modern sensor.
The utility model discloses an inventor discovers, common vibration sensor's calibration equipment has troublesome poeration, the relatively poor and relatively poor scheduling problem of commonality of precision. Therefore, it is necessary to develop an acceleration calibration apparatus.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide acceleration calibration equipment, the integrated nature of complete equipment is high, convenient operation, application range are wide, can mark and calibrate all kinds of vibration sensor.
In order to achieve the purpose, the utility model adopts the following technical scheme.
Acceleration calibration equipment, including calibration platform and system control device, be provided with signal generation device, signal amplification device, vibration exciter, first acceleration sensor, second acceleration sensor and signal acquisition device on the calibration platform, system control device with signal generation device with signal acquisition device connects, signal generation device with signal amplification device connects, signal amplification device with the vibration exciter is connected, the vibration exciter with first acceleration sensor with second acceleration sensor connects, first acceleration sensor with second acceleration sensor with signal acquisition device connects.
Further, the calibration table is made of marble.
Further, the calibration stand is provided with an adjustable base.
Further, the system control device adopts a PXIe system controller.
Furthermore, the signal amplification device adopts a signal amplification device with a signal-to-noise ratio of more than or equal to 90 dB.
Furthermore, the vibration exciter adopts a vibration exciter with the frequency range of 10Hz-5 KHz.
Further, the first acceleration sensor adopts a charge type quartz standard sensor.
Furthermore, the first acceleration sensor adopts an acceleration sensor with the frequency of 10-5000 HZ.
Further, the first acceleration sensor adopts an acceleration sensor with the maximum impact force of 10000m/s 2.
The utility model discloses positive effect of acceleration calibration equipment is:
the utility model discloses acceleration calibration equipment's integrated nature is high, convenient operation, application range are wide, can mark and calibrate all kinds of vibration sensor.
Drawings
Fig. 1 is a schematic diagram provided by an embodiment of the present invention.
The reference numerals in the figures are respectively:
1. a calibration table; 2. a system control device; 3. a signal generating device; 4. a signal amplification device; 5. a vibration exciter; 6. a first acceleration sensor; 7. a second acceleration sensor; 8. a signal acquisition device.
Detailed Description
The following provides a specific embodiment of the acceleration calibration apparatus of the present invention with reference to the accompanying drawings, but it should be noted that: the described embodiments are not intended to limit the practice of the invention. All adopt the utility model discloses a similar structure and similar change all should go into the utility model discloses a protection scope. The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced.
See fig. 1. Acceleration calibration equipment, including calibration bench 1 and system control device 2, be provided with signal generation device 3, signal amplification device 4, vibration exciter 5, first acceleration sensor 6, second acceleration sensor 7 and signal acquisition device 8 on the calibration bench 1, system control device 2 with signal generation device 3 with signal acquisition device 8 connects, signal generation device 3 with signal amplification device 4 connects, signal amplification device 4 with vibration exciter 5 connects, vibration exciter 5 with first acceleration sensor 6 with second acceleration sensor 7 connects, first acceleration sensor 6 with second acceleration sensor 7 with signal acquisition device 8 connects.
The calibration table 1 is made of marble and made of high-precision marble. The vibration exciter 5 adopts a vibration exciter with the frequency range of 10Hz-5 KHz. The vibration exciter 5 is arranged on the calibration table 1, so that the influence of the outside on the vibration calibration test is prevented. The calibration stand 1 is provided with adjustable base, and four feet of adjustable base all can be adjusted, effectively reduces because of vibration exciter 5 places not smooth or have inclination scheduling problem. The vibration exciter 5 vibrates according to the type and amplitude of the input signal after inputting the signal, the vibration acceleration and the vibration frequency range change along with the change of the signal, the acceleration is 0-20g, and the frequency range is 10Hz-5 KHz. The system control device 2 adopts a PXIe system controller, and the system control device 2 adopts a 19-inch cabinet. The signal amplifying device 4 adopts a signal amplifying device with a signal-to-noise ratio of more than or equal to 90dB and rated output power of 102VA, the signal amplifying device 4 mainly receives the output signal of the signal generating device 3 to amplify the power, and the amplification factor is adjustable.
The first acceleration sensor 6 adopts a charge type quartz standard sensor, and is good in stability. The first acceleration sensor 6 adopts an acceleration sensor with the frequency of 10-5000 HZ. The first acceleration sensor 6 is an acceleration sensor with the maximum impact force of 10000m/s 2. The second acceleration sensor 7 is an acceleration sensor to be measured.
The acceleration calibration equipment mainly comprises a system control device 2 and a calibration table 1 made of marble; the system control device 2 uses a PXI case to realize control and collection of the whole equipment, the signal amplification device 4 and the vibration exciter 5 realize signal excitation of the whole system, the first acceleration sensor 6 uses a charge type quartz standard sensor, and the signal collected by the sensor 5 is compared with the signal collected by the second acceleration sensor 7, so that frequency response test and acceleration calibration are performed. The system control device 2 uses a PXIe system controller, can flexibly control the signal generation device 3 to send signals, and the signal acquisition device 8 to acquire signal data, and the signal amplification device 4 amplifies the signals. The acceleration calibration equipment has the advantages of high system integration, convenience in operation and wide application range, and can calibrate and calibrate various vibration sensors.
Claims (9)
1. Acceleration calibration equipment, its characterized in that, including calibration platform and system control device, be provided with signal generation device, signal amplification device, vibration exciter, first acceleration sensor, second acceleration sensor and signal acquisition device on the calibration platform, system control device with signal generation device with signal acquisition device connects, signal generation device with signal amplification device connects, signal amplification device with the vibration exciter is connected, the vibration exciter with first acceleration sensor with second acceleration sensor connects, first acceleration sensor with second acceleration sensor with signal acquisition device connects.
2. The acceleration calibration apparatus of claim 1, wherein the calibration table is constructed of marble.
3. Acceleration calibration device according to claim 1, characterized in that the calibration table is provided with an adjustable mount.
4. The acceleration calibration apparatus of claim 1, wherein the system control means employs a PXIe system controller.
5. The acceleration calibration apparatus of claim 1, wherein said signal amplification means employs signal amplification means with a signal-to-noise ratio of > 90 dB.
6. Acceleration calibration device according to claim 1, characterized in, that said vibration exciter is a vibration exciter with a frequency range of 10Hz-5 KHz.
7. The acceleration calibration apparatus of claim 1, wherein the first acceleration sensor employs a charge-type quartz standard sensor.
8. The acceleration calibration device of claim 1, characterized in that the first acceleration sensor is an acceleration sensor with a frequency of 10-5000 HZ.
9. The acceleration calibration apparatus of claim 1, wherein the first acceleration sensor is an acceleration sensor with a maximum impact force of 10000m/s 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121246718.0U CN214702509U (en) | 2021-06-04 | 2021-06-04 | Acceleration calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121246718.0U CN214702509U (en) | 2021-06-04 | 2021-06-04 | Acceleration calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702509U true CN214702509U (en) | 2021-11-12 |
Family
ID=78555016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121246718.0U Active CN214702509U (en) | 2021-06-04 | 2021-06-04 | Acceleration calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702509U (en) |
-
2021
- 2021-06-04 CN CN202121246718.0U patent/CN214702509U/en active Active
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