CN205861207U - A kind of portable mobile wireless vibration pickup device - Google Patents
A kind of portable mobile wireless vibration pickup device Download PDFInfo
- Publication number
- CN205861207U CN205861207U CN201620815071.1U CN201620815071U CN205861207U CN 205861207 U CN205861207 U CN 205861207U CN 201620815071 U CN201620815071 U CN 201620815071U CN 205861207 U CN205861207 U CN 205861207U
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- CN
- China
- Prior art keywords
- frequency
- vibration measuring
- vibration
- chip microcomputer
- measuring circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of portable mobile wireless vibration pickup device, including the frequency of vibration measuring cell encapsulated in the enclosure, frequency of vibration measuring circuit, single-chip microcomputer, wireless transport module and power supply, the signal end of frequency of vibration measuring cell connects frequency of vibration measuring circuit, and the sound end of frequency of vibration measuring cell is placed in outside shell；Single-chip microcomputer is connected between wireless transport module and frequency of vibration measuring circuit, and power supply connects frequency of vibration measuring circuit, single-chip microcomputer, wireless transport module respectively and is powered.This utility model meets the relevant regulations of turbine blade quiet frequency test, and data record is accurate, stable signal transmission, improves the work efficiency of frequency measurement test.
Description
Technical field
This utility model relates to steam turbine blade quiet frequency field of measuring technique, specifically a kind of portable mobile wireless vibration pickup
Device.
Background technology
Blade is steam turbine critical component, and blade working reliability is directly connected to the safe operation of unit.Static frequency of blade
Rate is blade natural frequency under non-rotation status.It is to check blade assembling situation and leaf that steam turbine carries out static frequency of blade test
The important method of tablet quality and means.Turbine blade quiet frequency method of testing has: self-vibration method, resonance method and Spectral Analysis Method.Pick up
The device that shakes is to have to use for vitals in above-mentioned three kinds of frequency measuring methods.
Along with digitized and the development of wireless communication technology of Thermal Meter, wireless communication technology is utilized to insert vibration pickup,
Static frequency of blade rate can be gathered easily, improve test accuracy to a great extent, and reduce experiment work amount, improve testing crew
Working condition.
Utility model content
The purpose of this utility model is to provide a kind of portable mobile wireless vibration pickup device, to solve in above-mentioned background technology
The problem proposed.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of portable mobile wireless vibration pickup device, including the frequency of vibration measuring cell encapsulated in the enclosure, frequency of vibration
Measuring circuit, single-chip microcomputer, wireless transport module and power supply, the signal end of described frequency of vibration measuring cell connects frequency of vibration and surveys
Amount circuit, the sound end of described frequency of vibration measuring cell is placed in outside shell；Described single-chip microcomputer be connected to wireless transport module and
Between frequency of vibration measuring circuit, the analogue signal of frequency of vibration measuring cell is converted to number by described frequency of vibration measuring circuit
Word signal exports to single-chip microcomputer, and described single-chip microcomputer is responsible for processing and the digital signal of storage frequency of vibration measuring circuit output；Institute
State wireless transport module to be responsible in the data transmission of single-chip microcomputer storage to computer；Described power supply connects frequency of vibration respectively and surveys
Amount circuit, single-chip microcomputer, wireless transport module are also powered.
As further program of the utility model: the range ability of described frequency of vibration measuring cell is 0 ~ 10000Hz.
As further program of the utility model: the digital-to-analogue conversion precision of described frequency of vibration measuring circuit is 0.04 ~
0.06 grade.
As this utility model further scheme: described power supply is 3.6V lithium battery.
Compared with prior art, the beneficial effects of the utility model are: this utility model meets the quiet frequency of turbine blade and surveys
The relevant regulations of examination, data record is accurate, stable signal transmission, improves the work efficiency of frequency measurement test.
Accompanying drawing explanation
Fig. 1 is internal circuit configuration schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of portable mobile wireless vibration pickup device, comprise frequency of vibration and survey
Amount element, frequency of vibration measuring circuit, single-chip microcomputer, wireless transport module, power supply and shell, the signal of frequency of vibration measuring cell
End connects frequency of vibration measuring circuit, single-chip microcomputer, wireless transport module, power supply etc., is jointly packaged in shell；Frequency of vibration is surveyed
The sound end of amount element is placed in outside shell, and the analogue signal of frequency of vibration measuring cell is converted to number by frequency of vibration measuring circuit
Word signal exports to single-chip microcomputer, and single-chip microcomputer is responsible for processing and the digital signal of storage frequency of vibration measuring circuit output, wireless biography
The data that defeated module is responsible for being stored by single-chip microcomputer are transmitted to computer, and power supply is responsible for frequency of vibration measuring cell, vibration frequency
Rate measuring circuit, single-chip microcomputer, wireless transport module are powered.
Model range ability 0Hz-10000Hz of frequency of vibration measuring cell, resolution 0.01Hz, precision ± 0.1Hz；Shake
Dynamic frequency measuring circuit digital-to-analogue conversion precision is 0.05 grade；Power supply is the lithium battery of 3.6VDC；Waterproof case meets IP67 standard.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (4)
1. a portable mobile wireless vibration pickup device, surveys including the frequency of vibration measuring cell encapsulated in the enclosure, frequency of vibration
Amount circuit, single-chip microcomputer, wireless transport module and power supply, it is characterised in that the signal end of described frequency of vibration measuring cell connects
Frequency of vibration measuring circuit, the sound end of described frequency of vibration measuring cell is placed in outside shell；Described single-chip microcomputer is connected to wireless
Between transport module and frequency of vibration measuring circuit, the simulation of frequency of vibration measuring cell is believed by described frequency of vibration measuring circuit
Number being converted to digital signal export to single-chip microcomputer, described single-chip microcomputer is responsible for processing and the number of storage frequency of vibration measuring circuit output
Word signal；The data that described wireless transport module is responsible for storing single-chip microcomputer are transmitted to computer；Described power supply connects respectively
Frequency of vibration measuring circuit, single-chip microcomputer, wireless transport module are also powered.
Portable mobile wireless vibration pickup device the most according to claim 1, it is characterised in that described frequency of vibration measuring cell
Range ability be 0 ~ 10000Hz.
Portable mobile wireless vibration pickup device the most according to claim 1, it is characterised in that described frequency of vibration measuring circuit
Digital-to-analogue conversion precision be 0.04 ~ 0.06 grade.
Portable mobile wireless vibration pickup device the most according to claim 1, it is characterised in that described power supply is 3.6V lithium electricity
Pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620815071.1U CN205861207U (en) | 2016-07-30 | 2016-07-30 | A kind of portable mobile wireless vibration pickup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620815071.1U CN205861207U (en) | 2016-07-30 | 2016-07-30 | A kind of portable mobile wireless vibration pickup device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861207U true CN205861207U (en) | 2017-01-04 |
Family
ID=57654015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620815071.1U Expired - Fee Related CN205861207U (en) | 2016-07-30 | 2016-07-30 | A kind of portable mobile wireless vibration pickup device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782542A (en) * | 2017-09-26 | 2018-03-09 | 国网江西省电力公司电力科学研究院 | A kind of wireless frequency measuring device of steam turbine blade |
-
2016
- 2016-07-30 CN CN201620815071.1U patent/CN205861207U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782542A (en) * | 2017-09-26 | 2018-03-09 | 国网江西省电力公司电力科学研究院 | A kind of wireless frequency measuring device of steam turbine blade |
| CN107782542B (en) * | 2017-09-26 | 2022-05-10 | 国网江西省电力公司电力科学研究院 | Wireless frequency measurement device for steam turbine moving blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170104 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |