CN202562620U - Vibration measuring pen - Google Patents
Vibration measuring pen Download PDFInfo
- Publication number
- CN202562620U CN202562620U CN201220181140XU CN201220181140U CN202562620U CN 202562620 U CN202562620 U CN 202562620U CN 201220181140X U CN201220181140X U CN 201220181140XU CN 201220181140 U CN201220181140 U CN 201220181140U CN 202562620 U CN202562620 U CN 202562620U
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- vibration measuring
- measuring pen
- vibration
- 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 - Lifetime
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a vibration measuring pen, which comprises a ring shear acceleration sensor for obtaining a mechanical vibration signal of the measuring point of the measured equipment; a first conversion circuit for converting the mechanical vibration signal into an electrical vibration signal, connected to the ring shear acceleration sensor; a sensitivity adjusting circuit for adjusting the electrical vibration signal in the preset conditions, connected to the first conversion circuit; a filter network for filtering a garbage signal in the electrical signal, connected to the sensitivity adjusting circuit; an integrating circuit for integrating the electrical signal after the garbage signal is filtered, connected to the filter network; a second conversion circuit for converting the electrical signal into a digital signal, connected to the integrating circuit; a data display unit for displaying the digital signal, connected to the second conversion circuit. The utility model can improve the vibration measuring performance of the vibration measuring pen.
Description
Technical field
The utility model relates to field of measuring technique, relates in particular to a kind of vibration measuring pen.
Background technology
Vialog is also named to be surveyed shake table vibration analyzer or surveys the shake pen, is to utilize the piezoelectric effect of quartz crystal and artificial polarization pottery to design.Do the time spent when quartz crystal or artificial polarization pottery receive mechanical stress, its surface just produces electric charge.Adopt piezoelectric acceleration transducer, convert vibration signal to electric signal, equipment is checked through input signal is carried out Treatment Analysis.Owing to adopt piezoelectric acceleration transducer, so the vibration measuring performance of vialog is unsatisfactory in the prior art.
The utility model content
In view of this, the purpose of the utility model is to provide a kind of vibration measuring pen, improves the vibration measuring performance of vibration measuring pen.
To achieve these goals, the utility model provides a kind of vibration measuring pen, comprising:
The annular that is used to obtain the mechanical oscillation signal of the measurement point on the equipment under test is sheared acceleration transducer;
Be used for said mechanical oscillation signal is changed into first change-over circuit of vibration electric signal, shear acceleration transducer with said annular and be connected;
Be used for said vibration electric signal is adjusted in pre-conditioned interior sensitivity adjusting circuit, be connected with said first change-over circuit;
Be used for the filter network of filtering, be connected with said sensitivity adjusting circuit with the garbage signal of said electric signal;
Be used for the said electric signal behind the said garbage signal of filtering is carried out the integrating circuit of integration, be connected with said filter network;
Being used for said electrical signal conversion is second change-over circuit of digital signal, is connected with said integrating circuit;
Be used for said digital signal is carried out the data presented display unit, be connected with said second change-over circuit.
Through above-mentioned the utility model embodiment, get access to mechanical oscillation signal through adopting annular to shear acceleration transducer, improved the vibration measuring performance of vibration measuring pen; Should vibrate electric signal through sensitivity adjusting circuit and be adjusted in the preset range, the digital signal that makes vibration measuring pen obtain can be compared with international vibration severity standard (ISO2372), thereby directly judges the running status of equipment under test; Through adopting the acceleration integrated transducer, reduced the volume, easy to carry of vibration measuring pen, thereby realized equipment quick checks such as motor, blower fan, pump, compressor, lathes, and for the preventive inspection of mechanical equipment fault.
According to following with reference to accompanying drawing to detailed description of illustrative embodiments, it is clear that further feature of the utility model and aspect will become.
Description of drawings
The accompanying drawing that is included in the instructions and constitutes the part of instructions shows exemplary embodiment, characteristic and the aspect of the utility model with instructions, and is used to explain the principle of the utility model.
The structural representation of the vibration measuring pen that Fig. 1 provides for embodiment of the utility model.
Embodiment
Below will specify various exemplary embodiments, characteristic and the aspect of the utility model with reference to accompanying drawing.The identical same or analogous element of Reference numeral presentation function in the accompanying drawing.
The structural representation of the vibration measuring pen that Fig. 1 provides for embodiment of the utility model.As shown in Figure 1, vibration measuring pen 100 comprises: vibration transducer annular is sheared acceleration transducer 11, first change-over circuit 12, sensitivity adjusting circuit 13, filter network 14, integrating circuit 15, second change-over circuit 16, data display unit 17; Wherein, Annular is sheared acceleration transducer 11 and is connected with first change-over circuit 12; First change-over circuit 12 is connected with sensitivity adjusting circuit 13, and first change-over circuit 12 is connected with filter network 14, and filter network 14 is connected with integrating circuit 15; Integrating circuit 15 is connected with second change-over circuit 16, and second change-over circuit 16 is connected 17 with data display unit.
Particularly; Annular is sheared the mechanical oscillation signal that acceleration transducer 11 obtains the measurement point on the equipment under test; First change-over circuit 12 changes mechanical oscillation signal into the vibration electric signal; Sensitivity adjusting circuit 13 should vibrate electric signal and be adjusted in the preset range, and the garbage signal in the said electric signal of filter network 14 filterings, the integrating circuit 15 said electric signal after with the said garbage signal of filtering carries out integration; Second change-over circuit 16 is a digital signal with said electrical signal conversion, and data display unit 17 shows said digital signal.
The vibration measuring pen that the utility model provides gets access to mechanical oscillation signal through adopting annular to shear acceleration transducer, has improved the vibration measuring performance of vibration measuring pen; Should vibrate electric signal through sensitivity adjusting circuit 12 and be adjusted in the preset range, the digital signal that makes vibration measuring pen obtain can be compared with international vibration severity standard (ISO2372), thereby can directly judge the running status of equipment under test; Through adopting the acceleration integrated transducer, reduced the volume, easy to carry of vibration measuring pen, thereby realized equipment quick checks such as motor, blower fan, pump, compressor, lathes, and for the preventive inspection of mechanical equipment fault.
Further; Above-mentioned embodiment illustrated in fig. 1 in; This proving installation 100 can also comprise: system's zeroing circuit 18, be connected between the data display unit 17 and second change-over circuit 16, and system's zeroing circuit 18 is carried out said vibration measuring pen system's zeroing circuit of system's zeroing.
Further, above-mentioned embodiment illustrated in fig. 1 in, this proving installation 100 can also comprise: low electric display control circuit 19 is connected with data display unit 17; When the power supply lithium battery of vibration measuring pen 100 was lower than preset value, low electric display control circuit 19 reminder-data display units 19 hang down the electricity demonstration.
Further, above-mentioned embodiment illustrated in fig. 1 in, the data display unit 17 in this proving installation specifically can and have the liquid crystal display of touch function for 24,3.5 cun RGBs.
Further, above-mentioned embodiment illustrated in fig. 1 in, first change-over circuit 12 in this proving installation specifically can be signal amplification circuit.
Further, above-mentioned embodiment illustrated in fig. 1 in, second change-over circuit 16 in this proving installation specifically can the A/D change-over circuit.
Further, above-mentioned embodiment illustrated in fig. 1 in, sensitivity adjusting circuit 13 can comprise: first regulating circuit 131, second regulating circuit 132, the 3rd regulating circuit 133; Particularly, first regulating circuit 131 is connected with first change-over circuit 12, is used for the frequency adjustment of said vibration electric signal first regulating circuit in first preset range; Second regulating circuit 132 is connected with first regulating circuit 131, is used for the frequency response of said vibration electric signal is adjusted in second preset range; The 3rd regulating circuit 133 is connected with second regulating circuit 133, is used for the amplitude of said vibration electric signal is adjusted in the 3rd regulating circuit of the 3rd preset range.Further, first preset range specifically can be the frequency band range of specific requirement, second preset range can for Frequency Response in the error range that requires, the 3rd preset range can all be controlled at the error range of requirement for amplitude characteristic.
In order more to be expressly understood the technical scheme of the utility model; The course of work in the face of the utility model vibration measuring pen 100 is described below down: during measurement; Keep pen type vibration measuring pen 100 appearance and testee Surface Vertical, annular is sheared the mechanical oscillation signal that acceleration transducer 11 gets access to the measurement point on the equipment under test; Change mechanical oscillation signal into the vibration electric signal by first change-over circuit 12; Because the vibration electric signal of this moment is very faint; So say that through first change-over circuit 12 this vibration electric signal carries out signal and amplifies; Thereby meet the requirements of signal value; Through sensitivity adjusting circuit 13 will vibrate in the frequency band range that electric signal is adjusted at requirement, Frequency Response and amplitude characteristic all be controlled in the error range of requirement, then through filter network 14 filtering garbage signals, obtains required velocity amplitude through an integration of integrating circuit 15; The vibration electrical signal conversion that to simulate through second change-over circuit 16 again is that digital signal shows that required collimation stream signal is sent to data display unit 17, shows the data value of being gathered through data display unit 17.When annular was sheared the output of acceleration transducer 11 friction electric signal, system's zeroing circuit 18 was shown as zero with the data display unit 17 of vibration measuring pen 100.When the power supply lithium battery of vibration measuring pen 100 was lower than desired level, low electric display control circuit 19 promptings made data display unit 17 show low electricity, thereby remind the user in time vibration measuring pen 100 to be charged.
What need statement is that above-mentioned utility model content and embodiment only are intended to prove the practical application of technical scheme that the utility model provides, and should not be construed as the qualification to the utility model protection domain.Those skilled in the art are in the spirit and principle of the utility model, when doing various modifications, being equal to replacement or improvement.The protection domain of the utility model is as the criterion with appended claims.
Claims (8)
1. a vibration measuring pen is characterized in that, comprising:
The annular that is used to obtain the mechanical oscillation signal of the measurement point on the equipment under test is sheared acceleration transducer;
Be used for said mechanical oscillation signal is changed into first change-over circuit of vibration electric signal, shear acceleration transducer with said annular and be connected;
Be used for said vibration electric signal is adjusted in the sensitivity adjusting circuit in the preset range, be connected with said first change-over circuit;
Be used for the filter network of filtering, be connected with said sensitivity adjusting circuit with the garbage signal of said electric signal;
Be used for the said electric signal behind the said garbage signal of filtering is carried out the integrating circuit of integration, be connected with said filter network;
Being used for said electrical signal conversion is second change-over circuit of digital signal, is connected with said integrating circuit;
Be used for said digital signal is carried out the data presented display unit, be connected with said second change-over circuit.
2. vibration measuring pen according to claim 1 is characterized in that, said vibration measuring pen also comprises:
Be used for said vibration measuring pen is carried out system's zeroing circuit of system's zeroing, be connected between said data display unit and said second change-over circuit.
3. vibration measuring pen according to claim 1 is characterized in that, said vibration measuring pen also comprises:
Be used for the low electric display control circuit of when the voltage of the electric lithium battery of said proving installation is lower than the predetermined threshold value desired level, reminding the user to charge, be connected with said data display unit.
4. vibration measuring pen according to claim 1 is characterized in that, said vibration measuring pen also comprises:
Be used for when the power supply lithium battery of said vibration measuring pen is lower than preset value, making said data display unit to hang down the low electric display control circuit that electricity shows, be connected with said data display unit.
5. according to the arbitrary described vibration measuring pen of claim 1～4, it is characterized in that said display unit is 24,3.5 cun RGBs and the liquid crystal display with touch function.
6. according to the arbitrary described vibration measuring pen of claim 1～4, it is characterized in that said first change-over circuit is a signal amplification circuit.
7. according to the arbitrary described vibration measuring pen of claim 1～4, it is characterized in that said second change-over circuit is the A/D change-over circuit.
8. according to the arbitrary described vibration measuring pen of claim 1～4, it is characterized in that said sensitivity adjusting circuit comprises:
Be used for the frequency adjustment of said vibration electric signal first regulating circuit in first preset range is connected with said first change-over circuit;
Be used for the frequency response of said vibration electric signal is adjusted in second regulating circuit of second preset range, be connected with said first regulating circuit;
Be used for the amplitude of said vibration electric signal is adjusted in the 3rd regulating circuit of the 3rd preset range, be connected with said second regulating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220181140XU CN202562620U (en) | 2012-04-25 | 2012-04-25 | Vibration measuring pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220181140XU CN202562620U (en) | 2012-04-25 | 2012-04-25 | Vibration measuring pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202562620U true CN202562620U (en) | 2012-11-28 |
Family
ID=47212266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220181140XU Expired - Lifetime CN202562620U (en) | 2012-04-25 | 2012-04-25 | Vibration measuring pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202562620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908643A (en) * | 2015-12-23 | 2017-06-30 | 苏州普源精电科技有限公司 | A kind of probe, oscillograph, movement recognition system and method |
-
2012
- 2012-04-25 CN CN201220181140XU patent/CN202562620U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908643A (en) * | 2015-12-23 | 2017-06-30 | 苏州普源精电科技有限公司 | A kind of probe, oscillograph, movement recognition system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ribeiro et al. | Evaluation of low-cost MEMS accelerometers for SHM: frequency and damping identification of civil structures | |
| KR20180122385A (en) | Apparatus, system, and method for measuring internal impedance of test battery using frequency response | |
| CN102711029A (en) | Testing method of intrinsic noise voltage of microphone and testing device of testing method | |
| CN103048039B (en) | The frequency response caliberating device of distributed wide spectral fiber optic interferometric vibration sensing system | |
| CN204330124U (en) | Vibration detection device | |
| CN103954344A (en) | Acceleration sensor based dynamic weighing signal real-time compensation device and method | |
| WO2021097888A1 (en) | Motor transient distortion measurement method and system | |
| CN202562620U (en) | Vibration measuring pen | |
| CN203053562U (en) | Frequency response calibration device of distributed type broadband spectrum fiber interference vibration sensing system | |
| CN206095421U (en) | Many functional type noise meter | |
| CN203259542U (en) | Flexible pendulous accelerometer digital control circuit | |
| CN101358990A (en) | Method and apparatus for measuring speed and mobile terminal thereof | |
| CN105865555B (en) | A kind of high temperature resistance analog drive circuit of Coriolis mass flowmeter | |
| CN204964008U (en) | A MEMS microphone that is used for multi -direction test high -speed railway noise | |
| CN204228369U (en) | A kind of calibrating installation of vibration table | |
| CN202693310U (en) | Fault diagnosis system for multi-channel mechanical equipment | |
| CN203251273U (en) | Charge amplifier | |
| CN104569626A (en) | Electrostatic field sensor and electrostatic alarm system and method based on electrostatic field sensor | |
| CN217212793U (en) | Acceleration sensor testing device | |
| CN204064530U (en) | A kind of no trace force test system based on micro electronmechanical acceleration chip | |
| CN210005707U (en) | miniature high-sensitivity magnetoelectric speed machine | |
| CN202350904U (en) | Integrated vibration transmitter | |
| CN208270065U (en) | A kind of practical gas turbine Vibration-Measuring System | |
| CN204903570U (en) | A portable test device for dynamic balance acceleration sensor | |
| CN201346205Y (en) | Acoumeter testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |
|
| CX01 | Expiry of patent term |