CN219573258U - Handheld vibration meter suitable for magnetoelectric vibration sensor - Google Patents
Handheld vibration meter suitable for magnetoelectric vibration sensor Download PDFInfo
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- CN219573258U CN219573258U CN202321222727.5U CN202321222727U CN219573258U CN 219573258 U CN219573258 U CN 219573258U CN 202321222727 U CN202321222727 U CN 202321222727U CN 219573258 U CN219573258 U CN 219573258U
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- lithium battery
- acquisition card
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 240000007651 Rubus glaucus Species 0.000 description 1
- 235000011034 Rubus glaucus Nutrition 0.000 description 1
- 235000009122 Rubus idaeus Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a handheld vibration meter suitable for a magneto-electric vibration sensor, which comprises a shell, wherein an embedded main board and an acquisition card are arranged in the shell, the embedded main board and the acquisition card are connected with a sensor wiring terminal, the embedded main board and the acquisition card are connected with a built-in lithium battery module, the built-in lithium battery module is connected with a charging port, and the built-in lithium battery module is connected with a power switch; the magneto-electric sensor with wider lower limit of the matching frequency response range has the measurement range which is more in line with the actual operation condition of the hydropower station auxiliary equipment compared with other handheld vibration meters. Compared with a comprehensive tester of the water turbine, the hydraulic turbine comprehensive tester is small in size, light in weight and convenient to carry, and can be used in daily inspection work of a hydropower station.
Description
Technical Field
The utility model relates to the technical field of inspection and detection, in particular to a handheld vibration meter suitable for a magneto-electric vibration sensor.
Background
Various motors, water pumps and air compressors of hydropower stations are numerous. General on-line monitoring equipment mainly focuses on main equipment such as water turbines and generators, and focuses less on numerous auxiliary equipment of water turbines and generators. Since such auxiliary devices are often necessary support systems in the operation process of the unit, vibration monitoring for such rotating devices is also an important means for ensuring safe operation of the hydropower station.
The current vibration monitoring of the hydropower station on the auxiliary equipment is generally to install a water turbine integrated tester to monitor a motor, a pump or an air compressor after the equipment is found to be faulty, and the water turbine integrated tester is designed for a large-scale test with a large number of measuring points, so that the temporary test installation and movement are not very convenient. Some power plants can monitor by adopting a piezoelectric vibration meter with appearance much like a test pencil, but the vibration meter can only display the current vibration amplitude, and because of the limitation of a measurement principle, the measurement frequency range is generally above 5Hz, and the measurement data is often distorted due to incomplete frequency coverage of rotating machinery which generates low-frequency vibration such as a water pump and an air compressor.
In order to solve the above problems, a handheld vibration meter which is convenient to install and carry, has a frequency response range including a field device signal range and can display waveforms and frequency spectrums is needed, and is used for inspection of daily hydropower station auxiliary equipment. The device must be able to match magneto-electric vibration sensors of the type having a vibration signal detection capability with a low frequency lower limit of 0.3, which is well suited for use in rotary machines for gaseous and liquid media.
Disclosure of Invention
The utility model aims to solve the problems and provide a handheld vibration meter suitable for a magneto-electric vibration sensor, which can be connected to a lower-limit frequency range to cover general rotation and is convenient to install. The vibration waveform of the field device is continuously collected, the waveform is subjected to spectrum analysis in real time and displayed on the touch screen of the handheld device, and the vibration characteristics of the device can be conveniently and comprehensively displayed.
The utility model realizes the above purpose through the following technical scheme:
the handheld vibration meter comprises a shell, wherein an embedded main board and an acquisition card are arranged in the shell, the embedded main board and the acquisition card are connected with a sensor wiring terminal, the embedded main board and the acquisition card are connected with a built-in lithium battery module, the built-in lithium battery module is connected with a charging port, and the built-in lithium battery module is connected with a power switch;
the shell is provided with a touch screen, and the touch screen adopts a multi-point touch control touch screen for analyzing waveform, frequency spectrum and vibration characteristic value trend.
The built-in lithium battery module has the output functions of-24V and +5V and supplies power for the sensor, the embedded main board and the acquisition card.
The further scheme is that the terminal interface of the sensor wiring terminal is a 3-core terminal, the middle is a public terminal, the two sides are a sensor power supply and a voltage signal input port, the output power supply is-24V, and the input voltage range is-10V to +10V.
The sensor is mounted in a magnetic base mounting mode, and therefore the sensor only needs to be stuck on the surface of the tested equipment.
The utility model has the beneficial effects that:
compared with other vibration meters using piezoelectric sensors, the magneto-electric sensor with wider lower limit of the matching frequency response range has the measurement range which is more in line with the actual operation condition of hydropower station auxiliary equipment compared with other handheld vibration meters.
Compared with a comprehensive tester of the water turbine, the hydraulic turbine comprehensive tester is small in size, light in weight and convenient to carry, and can be used in daily inspection work of a hydropower station.
Compared with other types of handheld vibration measuring systems, the Linux operating system is adopted, man-machine interaction is more flexible and convenient, and user experience is better.
The test result can be exported to be texts and pictures, and the test result can be conveniently classified and managed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the practical drawings required in the embodiments or the prior art description, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural diagram of the present utility model.
The intelligent charging device comprises a sensor wiring terminal (1), a built-in lithium battery module (2), an embedded main board and an acquisition card (3), a touch screen (4), a shell (5), a power switch (6) and a charging port (7).
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In any embodiment, as shown in fig. 1, the handheld vibration meter suitable for the magnetoelectric vibration sensor comprises a shell 5, wherein an embedded main board and an acquisition card 3 are arranged in the shell 5, the embedded main board and the acquisition card 3 are connected with a sensor wiring terminal 1, the embedded main board and the acquisition card 3 are connected with a built-in lithium battery module 2, the built-in lithium battery module 2 is connected with a charging port 7, and the built-in lithium battery module 2 is connected with a power switch 6;
the shell 5 is provided with a touch screen 4, and the touch screen 4 adopts a multi-point touch control touch screen and is used for analyzing waveforms, frequency spectrums and vibration characteristic value trends. The touch screen 4 is electrically connected with the embedded motherboard and the acquisition card 3.
The interface of the sensor wiring terminal 1 is a 3-core terminal, the middle is a public end, the two sides are a sensor power supply and a voltage signal input port, the output power supply is-24V, and the input voltage range is-10V to +10V. The sensor that sensor binding post 1 connects adopts the magnetic seat mounting means to install, and the sensor only needs to paste just so on the equipment surface of being surveyed.
The built-in lithium battery module 2 adopts a polymer lithium battery module, has the output functions of-24V and +5V, supplies power for the sensor, an embedded main board and a collection card in the sensor, and adopts a working mode that the power supply can charge and output simultaneously.
The embedded main board and the acquisition card 3 are matched with the raspberry group 4 and the MCC respectively, so that the power consumption is low, the functions are powerful, the linux system with a GUI interface is operated, and the software function development can be conveniently carried out. When the equipment is electrified, the operating system directly enters a test program after being started, high-frequency continuous data acquisition is carried out according to preset parameters, the program intercepts data for a period of time to carry out waveform analysis and spectrum analysis, and analysis results are displayed on a touch screen.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (4)
1. The handheld vibration meter is characterized by comprising a shell, wherein an embedded main board and an acquisition card are arranged in the shell, the embedded main board and the acquisition card are connected with a sensor wiring terminal, the embedded main board and the acquisition card are connected with a built-in lithium battery module, the built-in lithium battery module is connected with a charging port, and the built-in lithium battery module is connected with a power switch;
the shell is provided with a touch screen, and the touch screen adopts a multi-point touch control touch screen for analyzing waveform, frequency spectrum and vibration characteristic value trend.
2. The handheld vibration meter of claim 1, wherein the built-in lithium battery module has-24V and +5v output functions to power the sensor and the embedded motherboard and acquisition card therein.
3. The handheld vibration meter suitable for the magneto-electric vibration sensor according to claim 1, wherein the terminal interface of the sensor wiring terminal is a 3-core terminal, the middle is a common terminal, the two sides are a sensor power supply and a voltage signal input port, the output power supply is-24V, and the input voltage range is-10V to +10V.
4. The handheld vibration meter of claim 1, wherein the sensor connected to the sensor terminal is mounted by a magnetic mount, so that the sensor is only attached to the surface of the device under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222727.5U CN219573258U (en) | 2023-05-19 | 2023-05-19 | Handheld vibration meter suitable for magnetoelectric vibration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222727.5U CN219573258U (en) | 2023-05-19 | 2023-05-19 | Handheld vibration meter suitable for magnetoelectric vibration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219573258U true CN219573258U (en) | 2023-08-22 |
Family
ID=87667735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321222727.5U Active CN219573258U (en) | 2023-05-19 | 2023-05-19 | Handheld vibration meter suitable for magnetoelectric vibration sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219573258U (en) |
-
2023
- 2023-05-19 CN CN202321222727.5U patent/CN219573258U/en active Active
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