CN201340303Y - Vibration measurement device for tracking rotating speed - Google Patents
Vibration measurement device for tracking rotating speed Download PDFInfo
- Publication number
- CN201340303Y CN201340303Y CNU2009200673947U CN200920067394U CN201340303Y CN 201340303 Y CN201340303 Y CN 201340303Y CN U2009200673947 U CNU2009200673947 U CN U2009200673947U CN 200920067394 U CN200920067394 U CN 200920067394U CN 201340303 Y CN201340303 Y CN 201340303Y
- Authority
- CN
- China
- Prior art keywords
- signal
- rotating speed
- circuit
- vibration
- host computer
- 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
Abstract
The utility model relates to a vibration measurement device for tracking rotating speed, which is composed of a signal conditioning circuit, a signal digitization circuit, a network communication circuit and a host computer; the signal conditioning circuit receives a vibration signal from a vibration sensor and a rotating speed signal from a rotating speed sensor, analog-to-digital conversion is carried out to the vibration signal by the signal digitization circuit, and impulse capture is carried out to the rotating speed signal by the signal digitization circuit, the rotating-speed trigger threshold is embedded in data stream, the network communication circuit carries out encapsulation and transmission to the vibration signal and the rotating speed signal which are processed by the signal digitization circuit, the host computer scans each uploaded data packet and obtains arriving moment of the rotating speed by detecting the arriving of the rotating speed signal and rotating speed value in a real-time way, order analysis is carried out to the vibrating signal in the data packet by the host computer according to the rotating speed signal, and classification is carried out to the vibrating signals according to the rotating speed; thereby realizing synchronous sampling of the rotating speed, avoiding false alarming when in braking, and recording vibrating magnitude under different rotating speed for fault diagnosis.
Description
Technical field
The utility model relates to electricity field, relates in particular to the vibration measurement device of the vibration signal detection technique, particularly a kind of rotating-speed tracking of commercial unit.
Background technology
The rotating speed of part plant equipment is not constant.In its course of work, the vibration amplitude of equipment and frequency spectrum are quite big with change in rotational speed.Vibration analysis instrument of the prior art, the analysis when only being suitable for permanent rotating speed is not suitable for analyzing the vibration equipment of non-constant rotating speed.In addition, have some equipment urgent the deceleration and the situation of frequent braking also can occur, this moment, vibration amplitude was very big, if rotating speed is not carried out real-time follow-up, the braking impact shock triggers false alarm and easily by error logging.
Summary of the invention
The purpose of this utility model provides a kind of vibration measurement device of rotating-speed tracking, and the vibration measurement device of described this rotating-speed tracking will solve in the prior art the accurately technical matters of the vibration signal of the non-constant rotating speed equipment of real time record.
The vibration measurement device of this rotating-speed tracking of the present utility model is by signal conditioning circuit, signal digitalized circuit, network communication circuit and host computer constitute, wherein, described signal digitalized circuit is connected with signal conditioning circuit, described network communication circuit is connected with signal digitalized circuit, described host computer is connected with the network communication circuit by network, signal conditioning circuit receives vibration signal that comes from vibration transducer and the tach signal that comes from speed probe, signal conditioning circuit amplifies described vibration signal, filtering, integration and amplitude adjusted are handled, described tach signal is carried out deburring to signal conditioning circuit and amplitude adjusted is handled, signal digitalized circuit carries out analog to digital conversion to vibration signal, signal digitalized circuit carries out pulse capture to tach signal, vibration signal and tach signal that the network communication circuit is crossed signal digitalized processing of circuit encapsulate and send, signal digitalized circuit is in the process of handling vibration signal and tach signal, the rotating speed triggering is embedded in the data stream constantly, host computer scans each packet of uploading and by arrival that detects tach signal and the due in that tachometer value obtains tach signal in real time, host computer carries out rank than analyzing according to tach signal to vibration signal in the packet, and handle by the classification that rotating speed carries out vibration signal.
Further, be provided with digital signal processor in the described signal digitalized circuit, described digital signal processor is connected with storer, digital signal processor is provided with the buffer zone of an above number earlier in described storer by UDP (User Datagram Protoco (UDP)), described buffer zone constitutes a round-robin queue, buffer zone is made up of leader will+rotating speed event flag+vibration signal data field+first rotating speed register value+second rotating speed register value, the total length of any one UDP bag is 524 bytes, wherein the length of vibration signal data field is 512 bytes, the memory length of logo area and rotating speed register is 12 bytes, send acquisition by described host computer to digital signal processor again, before rotational speed pulse signal arrives, signal digitalized circuit is waited for rotational speed pulse signal, after data field in each buffer zone is filled and expires, just send to host computer, after sending, buffer flag is emptied the back circulation to be continued to use, when signal digitalized electric circuit inspection arrives rotational speed pulse signal, trigger the sampled signal of vibration, digital signal processor is with timing register clear 0, and start one 32 timer, begin clock count to 60MHz, by sample frequency vibration signal is gathered simultaneously, the signal amplitude of gathering is encapsulated in the UDP bag, send to host computer by network, sign in the UDP bag that host computer scanning is received, host computer is judged the tacho-pulse incident according to the sign in the described UDP bag, and handles the vibration signal value in view of the above.
Further, described signal conditioning circuit is connected with the two-way tach signal, signal digitalized electric circuit inspection is during to first via rotational speed pulse signal, catch and lock the value of timer conter, the timer count value of locking is delivered to 4 bytes of the afterbody of current UDP bag, and zone bit is set at the head of this buffer zone, signal digitalized electric circuit inspection is during to the second road rotational speed pulse signal, the inverse the 5th of afterbody that the value of timer counter is appended to current vibration signal UDP bag is in the 8th buffer zone, equally in head additional mark position.
Further, described sample frequency is 51.2KHz or 102.4KHz or 204.8KHz.
Further, be provided with wireless network circuit in the described network communication circuit.
Concrete, known solution of the prior art is all adopted than analysis, signal classification processing, digital signal processor and UDP (User Datagram Protoco (UDP)) in signal conditioning circuit described in the utility model, signal digitalized circuit, network communication circuit, host computer, rank, relevant above-mentioned known solution, those skilled in the art all understands, and does not repeat them here.
The utility model and prior art compare, and its effect is actively with tangible.The utility model utilizes signal digitalized the circuit vibration signal and the tach signal of collecting device simultaneously, realized the synchronization sampling, thus for rank than analyze provide may, and the false alarm can avoid braking the time, vibratory output under the record different rotating speeds is convenient to Fault Diagnosis and identification.
Description of drawings:
Fig. 1 is the principle schematic of the vibration measurement device of rotating-speed tracking of the present utility model.
Embodiment
As shown in Figure 1, the vibration measurement device of rotating-speed tracking of the present utility model, by signal conditioning circuit 1, signal digitalized circuit 2, network communication circuit 3 and host computer 4 constitute, wherein, described signal digitalized circuit 2 is connected with signal conditioning circuit 1, described network communication circuit 3 is connected with signal digitalized circuit 2, described host computer 4 is connected with network communication circuit 3 by network, signal conditioning circuit 1 receives vibration signal that comes from vibration transducer and the tach signal that comes from speed probe, 1 pair of described vibration signal of signal conditioning circuit amplifies, filtering, integration and amplitude adjusted are handled, 1 pair of described tach signal of signal conditioning circuit carries out burring and amplitude adjusted is handled, 2 pairs of vibration signals of signal digitalized circuit carry out analog to digital conversion, 2 pairs of tach signals of signal digitalized circuit carry out pulse capture, vibration signal and tach signal that network communication circuit 3 was handled signal digitalized circuit 2 encapsulate and send, signal digitalized circuit 2 is in the process of handling vibration signal and tach signal, the rotating speed triggering is embedded in the data stream constantly, host computer 4 scans each packet of uploading and by arrival that detects tach signal and the due in that tachometer value obtains tach signal in real time, host computer 4 carries out rank than analyzing according to tach signal to vibration signal in the packet, and handle by the classification that rotating speed carries out vibration signal.
In a preferred embodiment of the present utility model shown in Figure 1, signal conditioning circuit 1 receives 8 road vibration signals and 2 road tach signals.
Further, be provided with the digital signal processor (not shown) in the described signal digitalized circuit 2, described digital signal processor is connected with the storer (not shown), digital signal processor is provided with the buffer zone of an above number earlier in described storer by UDP (User Datagram Protoco (UDP)), described buffer zone constitutes a round-robin queue, buffer zone is made up of leader will+rotating speed event flag+vibration signal data field+first rotating speed register value+second rotating speed register value, the total length of any one UDP bag is 524 bytes, wherein the length of vibration signal data field is 51 2 bytes, the memory length of logo area and rotating speed register is 12 bytes, send acquisition by described host computer 4 to digital signal processor again, before rotational speed pulse signal arrives, signal digitalized circuit 2 is waited for rotational speed pulse signal, after data field in each buffer zone is filled and expires, just send to host computer 4, after sending, buffer flag is emptied the back circulation to be continued to use, when signal digitalized circuit 2 detects rotational speed pulse signal, trigger the sampled signal of vibration, digital signal processor is with timing register clear 0, and start one 32 timer, begin clock count to 60MHz, by sample frequency vibration signal is gathered simultaneously, the signal amplitude of gathering is encapsulated in the UDP bag, send to host computer 4 by network, sign in the UDP bag that host computer 4 scannings are received, host computer 4 is judged the tacho-pulse incident according to the sign in the described UDP bag, and handles the vibration signal value in view of the above.
Connect in the occasion of two-way tach signal at described signal conditioning circuit 1, when signal digitalized circuit 2 detects first via rotational speed pulse signal, catch and lock the value of timer conter, the timer count value of locking is delivered to 4 bytes of the afterbody of current UDP bag, and zone bit is set at the head of this buffer zone, when signal digitalized circuit 2 detects the second road rotational speed pulse signal, the inverse the 5th of afterbody that the value of timer counter is appended to current vibration signal UDP bag is in the 8th buffer zone, equally in head additional mark position.
Further, described sample frequency is 51.2KHz or 102.4KHz or 204.8KHz.
Further, be provided with wireless network circuit 5 in the described network communication circuit 3.
Concrete, adopting High speed data acquisition in the preferred embodiment of the present utility model, sample frequency can be supported 51.2KHz, 102.4KHz, 204.8KHz..Accurately measure the moment that each tacho-pulse arrives simultaneously, be accurate to 0.016us.Like this, it just can realize complicated vibration analysis method: rank are than the classification processing of analyzing and undertaken by rotating speed vibration signal.Its course of work is as follows:
The realization of tach signal and vibration signal synchronous transmission:
A. several UDP bufferings of first to file constitute a round-robin queue.Buffering is made up of the first rotating speed register value+4 bytes, the second rotating speed register value of leader will+rotating speed event flag+vibration signal data field+4 bytes, and the bag of each UDP is looked internal memory situation allocated length, and total length is made as 524 bytes in this equipment.Wherein the vibration signal data field is 512 bytes.Logo area and rotating speed register storage area account for 12 bytes.
The collection of tacho-pulse Vibration on Start-up signal.
C. when tacho-pulse arrives, to catch along the value of locking timer conter, this moment, first via rotating speed was delivered to 4 bytes of the afterbody of current UDP bag with the timer count value of locking, and at the head of this buffer zone zone bit was set.If there is the second road rotating speed to arrive, the inverse the 5th of afterbody that then value of timer counter is appended to current vibration signal UDP bag is in the 8th buffer zone, and is same, in head additional mark position.
After this buffer data district was filled up, it was sent out, and after sending, buffer flag empties, and circulation continues to use.
Claims (4)
1. the vibration measurement device of a rotating-speed tracking, constitute by signal conditioning circuit, signal digitalized circuit, network communication circuit and host computer, it is characterized in that: described signal digitalized circuit is connected with signal conditioning circuit, described network communication circuit is connected with signal digitalized circuit, and described host computer is connected with the network communication circuit by network.
2. the vibration measurement device of rotating-speed tracking as claimed in claim 1, it is characterized in that: be provided with digital signal processor in the described signal digitalized circuit, described digital signal processor is connected with storer.
3. the vibration measurement device of rotating-speed tracking as claimed in claim 2, it is characterized in that: described signal conditioning circuit is connected with the two-way speed probe.
4. the vibration measurement device of rotating-speed tracking as claimed in claim 1 is characterized in that: be provided with wireless network circuit in the described network communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200673947U CN201340303Y (en) | 2009-01-23 | 2009-01-23 | Vibration measurement device for tracking rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200673947U CN201340303Y (en) | 2009-01-23 | 2009-01-23 | Vibration measurement device for tracking rotating speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340303Y true CN201340303Y (en) | 2009-11-04 |
Family
ID=41235846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200673947U Expired - Lifetime CN201340303Y (en) | 2009-01-23 | 2009-01-23 | Vibration measurement device for tracking rotating speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201340303Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278235A (en) * | 2013-06-03 | 2013-09-04 | 合肥伟博测控科技有限公司 | Novel transient oscillation signal angular domain order tracking sampling and analytical method |
| CN105806474A (en) * | 2016-06-01 | 2016-07-27 | 上海辛克试验机有限公司 | Method for measuring vibration of rotating machinery |
| CN107193235A (en) * | 2017-06-26 | 2017-09-22 | 中国核动力研究设计院 | A kind of processing method for core cascade screen revolution speed signal |
| CN110455528A (en) * | 2018-05-03 | 2019-11-15 | 国家能源投资集团有限责任公司 | Method and system for planetary gear damage diagnosis |
| CN112270823A (en) * | 2020-10-23 | 2021-01-26 | 安徽容知日新科技股份有限公司 | Method and system for collecting vibration data related to operating conditions of steel rolling mill |
-
2009
- 2009-01-23 CN CNU2009200673947U patent/CN201340303Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278235A (en) * | 2013-06-03 | 2013-09-04 | 合肥伟博测控科技有限公司 | Novel transient oscillation signal angular domain order tracking sampling and analytical method |
| CN105806474A (en) * | 2016-06-01 | 2016-07-27 | 上海辛克试验机有限公司 | Method for measuring vibration of rotating machinery |
| CN105806474B (en) * | 2016-06-01 | 2019-02-15 | 国网上海市电力公司 | A kind of rotating machinery vibrating measurement method |
| CN107193235A (en) * | 2017-06-26 | 2017-09-22 | 中国核动力研究设计院 | A kind of processing method for core cascade screen revolution speed signal |
| CN110455528A (en) * | 2018-05-03 | 2019-11-15 | 国家能源投资集团有限责任公司 | Method and system for planetary gear damage diagnosis |
| CN110455528B (en) * | 2018-05-03 | 2021-03-23 | 国家能源投资集团有限责任公司 | Method and system for planetary gear damage diagnosis |
| CN112270823A (en) * | 2020-10-23 | 2021-01-26 | 安徽容知日新科技股份有限公司 | Method and system for collecting vibration data related to operating conditions of steel rolling mill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101788332A (en) | Rotating-speed tracking vibration measuring system | |
| CN201340303Y (en) | Vibration measurement device for tracking rotating speed | |
| CN101275928B (en) | Spaceflight electronic device excess article automatic detection system and detection method | |
| EP2278567A3 (en) | Improved sensing apparatus and method | |
| EP3196771A1 (en) | Systems and methods for efficient characterization of acceleration events | |
| CN101634708B (en) | Active sonar target simulator signal processing method | |
| WO2011003325A1 (en) | Inclination angle sensor and inclination angle control system | |
| CN108827454A (en) | A kind of turbine shafting vibrating data collection and processing method | |
| CN105339765A (en) | Device and method for determining the closing state of a house door or of a house window | |
| CN101368844B (en) | Multicenter shafting vibrating wireless telemetering system and method thereof | |
| CN201352813Y (en) | Vibration signal acquisition device realized by smart phone | |
| CN105955467A (en) | Multi-man man-machine interaction method based on mobile terminal | |
| CN202903327U (en) | Debris flow earth sound monitoring device | |
| CN105259086B (en) | The detection method and detecting system of dust concentration | |
| CN205404605U (en) | Wireless transmission's fruit tree vibration data acquisition device | |
| EP3002956B1 (en) | Network and sensor topology for a rotorcraft | |
| CN109520547A (en) | High-low temperature precision detection device and detection method for photoelectric encoder | |
| CN203149117U (en) | Speed measurement device | |
| CN109342057A (en) | A kind of transmission parts test macro with high-speed data acquisition function | |
| Flowers et al. | Design and initial component tests of an integrated avian and bat collision detection system for offshore wind turbines | |
| CN211149230U (en) | High-speed acquisition and processing device for blade tip clearance signals based on FPGA and ARM | |
| CN110673517B (en) | Blade tip clearance signal high-speed acquisition processing device and method based on FPGA and ARM | |
| CN101808425A (en) | Vibration signal acquisition system realized by smart phone | |
| CN112698108A (en) | Fan blade multi-physical-quantity synchronous observation method and system | |
| CN204228254U (en) | A kind of engine of boat and ship vibrating 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: 20091104 |
|
| CX01 | Expiry of patent term |