CN116659650A - Mechanical vibration measuring device for electrical engineering - Google Patents
Mechanical vibration measuring device for electrical engineering Download PDFInfo
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- CN116659650A CN116659650A CN202310961489.8A CN202310961489A CN116659650A CN 116659650 A CN116659650 A CN 116659650A CN 202310961489 A CN202310961489 A CN 202310961489A CN 116659650 A CN116659650 A CN 116659650A
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- 238000004870 electrical engineering Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 210000005056 cell body Anatomy 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 8
- 230000005389 magnetism Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
The application provides a mechanical vibration measuring device for electrical engineering, which comprises a bottom plate, wherein a measuring device body is arranged at the top of the bottom plate, an iron core is arranged in a sealing plate, a fixed plate is arranged at the bottom of a mounting column, a groove body is arranged at the bottom of a connecting column, a permanent magnet block is arranged on the side edge of a first connecting plate, a connecting column is arranged at the bottom of a piezoelectric rod, a dielectric block is arranged at the bottom of the electrode plate, a guide rail plate is arranged on the side edge of a second connecting plate, and a positioning plate is arranged at the bottom of a fixing pin. This mechanical vibration measuring device of electrical engineering, through the installation of permanent magnetism piece, prevent that the device from when measuring, disturbed by the surrounding magnetic field easily, lead to the device unable use, or the device uses under harsher environment, and the device receives the influence of environment, unable operation leads to the device unable to measure effectual to electric to through the measurement of permanent magnetism piece reinforcing means, make the device can effectually measure electric.
Description
Technical Field
The application relates to the technical field of mechanical vibration measuring equipment, in particular to a mechanical vibration measuring device for electrical engineering.
Background
Along with the rapid development of industrialization, the measurement technology is always in a high-speed development process, the traditional vibration measurement has lower precision in monitoring the running states of machines and structures and diagnosing faults, and the mechanical vibration measurement method is mainly divided into three types: electrical, mechanical, optical, among which electrical methods are the most used.
Vibration measurement means that vibration variation is detected and converted into corresponding electric signals which are convenient to display, analyze and process, and needed useful information is extracted from the electric signals, so that vibration problems are solved, theoretical calculation is needed, vibration test analysis is needed in many cases, and a proper measuring method is needed to be mastered besides necessary sensors and instrument equipment for vibration measurement, so that reliable data and a proper result can be obtained; at present, in the mechanical vibration measurement process, vibration change is generally converted into an electric signal, but in the conversion process, because the frequency of vibration is uncontrollable, when the vibration frequency is increased, the electric signal conversion device needs to be increased in bearing voltage range, and at the moment, the electric signal conversion device needs to be replaced, and also, if the vibration frequency is reduced, at the moment, an electric element with a smaller voltage range needs to be replaced, and only then, the accuracy of measurement data can be ensured.
The electronic vibration meter instrument in the prior art has a complex structure, has high manufacturing and using requirements on the electronic vibration meter instrument, increases the cost, but in some production practices, workers still use visual inspection and hand feeling to measure the vibration intensity of a machine, so that the measuring accuracy is inaccurate, the workers cannot timely help to grasp the running state of a unit, the vibration quantity of a measured object is converted into electric quantity by an electric quantity measuring instrument, then the electric quantity measuring instrument is used for measuring the mechanical vibration, the electric measuring device is difficult to fix, mutual vibration is easy to occur between the electric measuring device and a measuring body, the electric measuring process is easy to be interfered by a magnetic field, the inaccuracy of data is caused, great trouble is brought to the measuring workers, and meanwhile, under the condition that the device is in vibration, the falling of a device part causes electric leakage or circuit cannot be stably connected, so that unnecessary loss is caused.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings in the prior art, the present application aims to provide a mechanical vibration measuring device for electrical engineering, including a bottom plate, the bottom plate top is equipped with a measuring device body, the inside of the measuring device body is equipped with a sealing plate, the inside of the sealing plate is equipped with an iron core, the sealing plate bottom is equipped with a mounting post, the mounting post bottom is equipped with a fixed plate, the fixed plate bottom is equipped with a connecting post, the connecting post bottom is equipped with a groove body, the groove body bottom is equipped with a guide rod, the sealing plate side is equipped with a first connecting plate, the first connecting plate side is equipped with a permanent magnet, the permanent magnet bottom is equipped with a piezoelectric rod, the piezoelectric rod bottom is equipped with a connecting post, the connecting post bottom is equipped with an electrode plate, the electrode plate bottom is equipped with a dielectric block, the dielectric block side is equipped with a second connecting plate, the second connecting plate side is equipped with a guide rail plate, the dielectric block bottom is equipped with a fixed pin, and the fixed pin bottom is equipped with a locating plate.
Preferably, the measuring device body is mounted on the upper surface of the bottom plate, the sealing plate is mounted on the inner wall of the measuring device body, and the iron core is mounted on the inner wall of the sealing plate.
Preferably, the mounting post is mounted on the lower surface of the sealing plate, and the fixing plate is mounted on the lower surface of the mounting post.
Preferably, the connecting column is connected to the lower surface of the fixing plate, the groove body is arranged on the lower surface of the connecting column, and the guide rod is arranged on the lower surface of the groove body.
Preferably, the first connection plate is connected to one side of the sealing plate.
Preferably, the permanent magnet block is arranged at one side of the first connecting plate, and the piezoelectric rod is arranged on the lower surface of the permanent magnet block.
Preferably, the connecting post is mounted on the lower surface of the piezoelectric rod, the electrode plate is mounted on the lower surface of the connecting post, and the dielectric block is mounted on the lower surface of the electrode plate.
Preferably, the second connection plate is connected to one side of the dielectric block, and the rail plate is mounted to one side of the second connection plate.
Preferably, the fixing pin is mounted on the lower surface of the dielectric block, and the positioning plate is mounted on the lower surface of the fixing pin.
The beneficial effects are that:
1. this mechanical vibration measuring device of electrical engineering has reached in the spliced pole bottom through the cell body and has been used for bearing the weight that the device part brought above through cell body and spliced pole, avoid the weight of top part to cause the influence to the below part, intensity and rigidity through spliced pole and cell body reinforcing means simultaneously, under the circumstances of producing vibration when the device, it has sufficient firm effect to guarantee the device through cell body and spliced pole, so as to guarantee that the device can stable operation, avoid droing of device part to cause electric leakage or appear the connection that the circuit can not be stable, so as to avoid causing unnecessary loss, effectively improve the quality that the device used, the rethread conductor passes through with the assurance electric current, guarantee can carry each part with the electric current in, make each part pass through electric current and can mutually operate, thereby make the measuring device body carry out vibration measurement.
2. This mechanical vibration measuring device of electrical engineering has reached the resistance that reduces the device and receive through the electrode plate installation in the spliced pole bottom, make the device can use by high frequency, simultaneously when vibration frequency improves, make electric signal conversion device need increase the voltage range who bears through electrode plate and dielectric block, also, if when vibration frequency diminishes, the electric current that needs the change voltage range is less again this moment, make the device can form a complete electric conduction path, low frequency component loss is too big in having prevented the electric signal, influence the work efficiency of device, can effectively eliminate high frequency and impulse interference, can guarantee the accuracy of device measurement data through electrode plate and dielectric block.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of a measuring device according to the present application;
FIG. 2 is a schematic diagram of the front view of the measuring device of the present application;
FIG. 3 is a right-side view of the measuring device of the present application;
FIG. 4 is a schematic view of a partial enlarged structure of the measuring device of the present application;
FIG. 5 is a schematic view of a partial enlarged structure of the measuring device of the present application;
FIG. 6 is a schematic view of a partial enlarged structure of the measuring device of the present application.
In the figure: 1. a bottom plate; 2. a measuring device body; 3. a sealing plate; 4. an iron core; 5. a mounting column; 6. a fixing plate; 7. a connecting column; 8. a tank body; 9. a guide rod; 10. a first connection plate; 11. permanent magnet blocks; 12. pressing an electric pole; 13. a connecting column; 14. an electrode plate; 15. a dielectric block; 16. a second connecting plate; 17. a guide rail plate; 18. a fixing pin; 19. and (5) positioning the plate.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
The drawings in the embodiments of the application: the different kinds of cross-sectional lines in the drawings are not marked according to national standards, and the material of the elements is not required, so that the cross-sectional views of the elements in the drawings are distinguished.
Referring to fig. 1-6, a mechanical vibration measuring device for electrical engineering includes a bottom plate 1, a measuring device body 2 is arranged at the top of the bottom plate 1, a sealing plate 3 is arranged in the measuring device body 2, an iron core 4 is arranged in the sealing plate 3, a mounting column 5 is arranged at the bottom of the sealing plate 3, a fixing plate 6 is arranged at the bottom of the fixing plate 6, a connecting column 7 is arranged at the bottom of the connecting column 7, a groove 8 is arranged at the bottom of the groove 8, a guide rod 9 is arranged at the bottom of the groove 8, a first connecting plate 10 is arranged at the side edge of the sealing plate 3, a permanent magnet 11 is arranged at the side edge of the first connecting plate 10, a piezoelectric rod 12 is arranged at the bottom of the permanent magnet 11, a connecting column 13 is arranged at the bottom of the piezoelectric rod 12, an electrode plate 14 is arranged at the bottom of the electrode plate 14, a second connecting plate 16 is arranged at the side edge of the dielectric block 15, a guide rail plate 17 is arranged at the side edge of the second connecting plate 16, a fixing pin 18 is arranged at the bottom of the dielectric block 15, and a positioning plate 19 is arranged at the bottom of the fixing pin 18.
Wherein, install at bottom plate 1 top through measuring device body 2, fix measuring device body 1 through bottom plate 2, guarantee measuring device body 1 stability when using, and install inside measuring device body 1 through closing plate 3, iron core 4 installs inside closing plate 3, thereby make measuring device body 1 in the electric coil through iron core 4, can produce great magnetic induction intensity, reduce and be disturbed by the magnetic field easily in the electric measurement process, cause the inaccuracy of data, brought huge puzzlement for measuring staff, effectively improve measuring device body 1 steady operation's effect.
Wherein, through the installation of erection column 5, fix sealing plate 3 through erection column 5, rethread fixed plate 6 is fixed erection column 5 and spliced pole 7, and install and maintain iron core 4 through erection column 5 be convenient for the staff, when the iron core 4 appears damaging, staff's accessible erection column 5 is with iron core 4 from the sealing plate 3 dismantle, can install new iron core 4 in sealing plate 3 again, guarantee the installation that iron core 4 can be stable in measuring device body 1 through sealing plate 3 and erection column 5 simultaneously, have the benefit of convenient dismantlement and installation.
Wherein, install in spliced pole 7 bottom through cell body 8, be used for bearing the weight that the device part of top brought through cell body 8 and spliced pole 7, avoid the weight of top part to cause the influence to the part of below, strengthen intensity and rigidity of device through spliced pole 7 and cell body 8 simultaneously, under the circumstances of producing the vibration when the device, guarantee that the device has sufficient firm effect through cell body 8 and spliced pole 7, so as to guarantee that the device can stable operation, avoid droing of device part to cause electric leakage or appear the connection that the circuit can not be stable, so as to avoid causing unnecessary loss, effectively improve the quality that the device used, rethread conductor 9 is in order to ensure the electric current to pass through, guarantee can carry each part with the electric current in, make each part through electric current can mutually operate, thereby make measuring device body 1 carry out vibration measurement.
Wherein, through the installation of first connecting plate 10, connect fixedly through first connecting plate 10 to closing plate 3 and permanent magnetism piece 11, guarantee that the device part can become an holistic structure, and then make the device part can mutually utilize the effect of mutual operation.
Wherein, through the installation of permanent magnetism piece 11, prevent that the device from being disturbed by the surrounding magnetic field when measuring, lead to the device unable use, or the device uses under harsher environment, and the device receives the influence of environment, unable operation leads to the device unable to measure effectually to electric to strengthen the measurement of device through the permanent magnetism piece 11, make the device can effectually measure electric.
The electrode plate 14 is arranged at the bottom of the connecting column 13, the resistance of the device is reduced, the device can be used at high frequency, meanwhile, when the vibration frequency is increased, the electric signal conversion device needs to be increased in bearing voltage range through the electrode plate 14 and the dielectric block 15, and meanwhile, if the vibration frequency is reduced, the current with smaller voltage range needs to be replaced, so that the device can form a complete electric conduction path, the loss of low-frequency components in the electric signal is prevented from being too large, the working efficiency of the device is influenced, high-frequency and pulse interference can be effectively eliminated, and the accuracy of the measurement data of the device can be ensured through the electrode plate 14 and the dielectric block 15.
The guide rail plate 17 is arranged at the side of the second connecting plate 16, the guide rail plate 17 is fixed through the second connecting plate 16, and the guide rail plate 17 is used for supporting and guiding the operation of the device components, so that the device components and the components are in linear operation.
Wherein, install in the fixed pin 18 bottom through locating plate 19, fix fixed pin 18 through locating plate 19, and prevent dielectric block 15 and electrode plate 14 through fixed pin 18 not hard up or remove in the vibration in-process to influence the performance of electrode plate 14 and dielectric block 15, effectively guarantee that dielectric block 15 and electrode plate 14 can firm install on the device.
When in use, the measuring device body 2 is arranged at the top of the bottom plate 1, the measuring device body 1 is fixed through the bottom plate 2, the stability of the measuring device body 1 in use is ensured, and the measuring device body 1 is arranged in the measuring device body 1 through the sealing plate 3, the iron core 4 is arranged in the sealing plate 3, thereby the measuring device body 1 can generate larger magnetic induction intensity in an electrified coil through the iron core 4, the magnetic field interference easily caused in the electric measuring process is reduced, the inaccuracy of data is caused, the huge trouble is brought to measuring staff, the effect of the stable operation of the measuring device body 1 is effectively improved, the sealing plate 3 is fixed through the mounting post 5, the mounting post 5 and the connecting post 7 are fixed through the fixing plate 6, and the iron core 4 is convenient to install and maintain by the mounting post 5, when the iron core 4 is damaged, a worker can detach the iron core 4 from the sealing plate 3 through the mounting column 5, can install a new iron core 4 in the sealing plate 3, can ensure that the iron core 4 can be stably installed in the measuring device body 1 through the sealing plate 3 and the mounting column 5, has the advantage of convenient disassembly and installation, is installed at the bottom of the connecting column 7 through the groove body 8, is used for bearing the weight brought by the upper device part through the groove body 8 and the connecting column 7, avoids the influence of the weight of the upper part on the lower part, and simultaneously enhances the strength and the rigidity of the device through the connecting column 7 and the groove body 8, ensures that the device has enough firm effect through the groove body 8 and the connecting column 7 under the condition that the device generates vibration so as to ensure that the device can stably operate, avoid the electric leakage caused by the falling of the device part or the unstable connection of a circuit, the device is characterized in that the device body 1 is provided with a connecting column 13, an electrode plate 14 is arranged at the bottom of the connecting column 13, the resistance of the device is reduced, the device can be used at high frequency, meanwhile, when the vibration frequency is improved, the electric signal conversion device is required to be increased in the born voltage range through the electrode plate 14 and the dielectric block 15, and meanwhile, if the vibration frequency is reduced, the current with smaller voltage range is required to be replaced at the moment, so that the device can form a complete conductive path, the working efficiency of the device is prevented from being influenced, high-frequency and pulse interference can be effectively eliminated, and the accuracy of the measured data of the device can be ensured through the electrode plate 14 and the dielectric block 15.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (9)
1. The utility model provides an electrical engineering's mechanical vibration measuring device, includes bottom plate (1), its characterized in that: bottom plate (1) top is equipped with measuring device body (2), measuring device body (2) inside is equipped with closing plate (3), closing plate (3) inside is equipped with iron core (4), closing plate (3) bottom is equipped with spliced pole (5), spliced pole (5) bottom is equipped with fixed plate (6), fixed plate (6) bottom is equipped with spliced pole (7), spliced pole (7) bottom is equipped with cell body (8), cell body (8) bottom is equipped with guide arm (9), closing plate (3) side is equipped with first connecting plate (10), first connecting plate (10) side is equipped with permanent magnet (11), permanent magnet (11) bottom is equipped with pole (12), pole (12) bottom is equipped with spliced pole (13), spliced pole (13) bottom is equipped with electrode plate (14), electrode plate (14) bottom is equipped with dielectric block (15), dielectric block (15) side is equipped with second connecting plate (16), second connecting plate (16) side is equipped with guide rail plate (17), dielectric block (15) bottom is equipped with permanent magnet (18), fixed pin (19) bottom (18).
2. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the measuring device is characterized in that the measuring device body (2) is arranged on the upper surface of the bottom plate (1), the sealing plate (3) is arranged on the inner wall of the measuring device body (2), and the iron core (4) is arranged on the inner wall of the sealing plate (3).
3. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the mounting column (5) is mounted on the lower surface of the sealing plate (3), and the fixing plate (6) is mounted on the lower surface of the mounting column (5).
4. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the connecting column (7) is connected to the lower surface of the fixed plate (6), the groove body (8) is arranged on the lower surface of the connecting column (7), and the guide rod (9) is arranged on the lower surface of the groove body (8).
5. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the first connecting plate (10) is connected to one side of the sealing plate (3).
6. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the permanent magnet block (11) is arranged on one side of the first connecting plate (10), and the piezoelectric rod (12) is arranged on the lower surface of the permanent magnet block (11).
7. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the connecting column (13) is arranged on the lower surface of the piezoelectric rod (12), the electrode plate (14) is arranged on the lower surface of the connecting column (13), and the dielectric block (15) is arranged on the lower surface of the electrode plate (14).
8. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the second connecting plate (16) is connected to one side of the dielectric block (15), and the guide rail plate (17) is mounted on one side of the second connecting plate (16).
9. The mechanical vibration measuring device for electrical engineering according to claim 1, wherein: the fixing pin (18) is mounted on the lower surface of the dielectric block (15), and the positioning plate (19) is mounted on the lower surface of the fixing pin (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310961489.8A CN116659650B (en) | 2023-08-02 | 2023-08-02 | Mechanical vibration measuring device for electrical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310961489.8A CN116659650B (en) | 2023-08-02 | 2023-08-02 | Mechanical vibration measuring device for electrical engineering |
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| Publication Number | Publication Date |
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| CN116659650A true CN116659650A (en) | 2023-08-29 |
| CN116659650B CN116659650B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310961489.8A Active CN116659650B (en) | 2023-08-02 | 2023-08-02 | Mechanical vibration measuring device for electrical engineering |
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| CN (1) | CN116659650B (en) |
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| US20020080002A1 (en) * | 1998-02-20 | 2002-06-27 | Oldfield William W. | Microwave inductor with poly-iron core configured to limit interference with transmission line signals |
| JP2017125730A (en) * | 2016-01-13 | 2017-07-20 | 株式会社Ｓｏｋｅｎ | Piezoelectric type sensor |
| CN110068390A (en) * | 2018-05-15 | 2019-07-30 | 西安工业大学 | Piezoelectricity and electromagnetic coupling vibrating sensor |
| CN111609922A (en) * | 2020-07-13 | 2020-09-01 | 汪国建 | Mechanical vibration electric measuring device based on capacitance principle |
| CN112013944A (en) * | 2020-08-14 | 2020-12-01 | 张鹏程 | SMT circuit board electric measuring device based on capacitance principle |
| WO2020256193A1 (en) * | 2019-06-21 | 2020-12-24 | 엘지전자 주식회사 | Vibration detection sensor |
| KR20210064948A (en) * | 2019-11-26 | 2021-06-03 | 효성중공업 주식회사 | Vibration generator and vibration damping system using the same |
| CN115452131A (en) * | 2022-08-15 | 2022-12-09 | 重庆爱望科技有限公司 | Industrial-grade vibration sensor |
| CN218211614U (en) * | 2022-06-09 | 2023-01-03 | 浙江和达科技股份有限公司 | Piezoelectric type vibration sensor structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205333190U (en) * | 2016-02-16 | 2016-06-22 | 华北电力大学 | Inclined to one side magnetic vibration monitoring devices of transformer direct current based on iron core amplitude |
-
2023
- 2023-08-02 CN CN202310961489.8A patent/CN116659650B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020080002A1 (en) * | 1998-02-20 | 2002-06-27 | Oldfield William W. | Microwave inductor with poly-iron core configured to limit interference with transmission line signals |
| JP2017125730A (en) * | 2016-01-13 | 2017-07-20 | 株式会社Ｓｏｋｅｎ | Piezoelectric type sensor |
| CN110068390A (en) * | 2018-05-15 | 2019-07-30 | 西安工业大学 | Piezoelectricity and electromagnetic coupling vibrating sensor |
| WO2020256193A1 (en) * | 2019-06-21 | 2020-12-24 | 엘지전자 주식회사 | Vibration detection sensor |
| KR20210064948A (en) * | 2019-11-26 | 2021-06-03 | 효성중공업 주식회사 | Vibration generator and vibration damping system using the same |
| CN111609922A (en) * | 2020-07-13 | 2020-09-01 | 汪国建 | Mechanical vibration electric measuring device based on capacitance principle |
| CN112013944A (en) * | 2020-08-14 | 2020-12-01 | 张鹏程 | SMT circuit board electric measuring device based on capacitance principle |
| CN218211614U (en) * | 2022-06-09 | 2023-01-03 | 浙江和达科技股份有限公司 | Piezoelectric type vibration sensor structure |
| CN115452131A (en) * | 2022-08-15 | 2022-12-09 | 重庆爱望科技有限公司 | Industrial-grade vibration sensor |
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