CN204404986U - A kind of electronic installation for installing current vortex sensor probe - Google Patents
A kind of electronic installation for installing current vortex sensor probe Download PDFInfo
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- CN204404986U CN204404986U CN201420723820.9U CN201420723820U CN204404986U CN 204404986 U CN204404986 U CN 204404986U CN 201420723820 U CN201420723820 U CN 201420723820U CN 204404986 U CN204404986 U CN 204404986U
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- vortex sensor
- current vortex
- sensor probe
- electronic installation
- probe
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Abstract
The utility model discloses a kind of electronic installation for installing current vortex sensor probe, comprising: crystal oscillator; Resistance, the first end of described resistance is connected with described crystal oscillator; Electric capacity, the first end of described electric capacity is connected with the second end of described resistance, the second end ground connection of described electric capacity; Probe Connection Block, the first end of described probe Connection Block is connected with the second end of described resistance, the second end ground connection of described probe Connection Block, and described probe Connection Block is for connecting current vortex sensor probe; Amplifier, the input end of described amplifier is connected with the second end of the first end of described electric capacity and described resistance; Wave detector, the input end of described wave detector is connected with the output terminal of described amplifier; Wave filter, the input end of described wave filter is connected with the output terminal of described wave detector; Voltage table, the input end of described voltage table is connected with the output terminal of described wave filter.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of electronic installation for installing current vortex sensor probe.
Background technology
The distance of metal conductor measured apart from detecting head surface is measured on the ground noncontact of current vortex sensor energy Static and dynamic, high linearity, high resolution ground, and it is a kind of non-contacting linearization metering outfit.Between current vortex sensor energy Measurement accuracy measured body (must be metallic conductor) and probe end face, the relative displacement of Static and dynamic changes.At the state analysis of high-speed rotating machine and reciprocating machinery, in vibration research, analysis to measure, to the vibration of non-contacting high precision, displacement signal, the many kinds of parameters of rotor oscillation state can be collected continuously exactly, such as: the radial vibration of axle, amplitude and axial location.In all failure symptoms relevant with machine performance, mechanical vibration measurement knows best, this is because it contains the information of amplitude, phase place and frequency simultaneously.The Another reason that mechanical vibration measurement takes advantage is: it can reflect all damages of machinery, and is easy to measure.From the analysis in theory of rotor dynamics, bearing, the motion state of large rotating machinery, depend primarily on its core---rotating shaft, and the state of the direct non-cpntact measurement rotating shaft of current vortex sensor energy, to the imbalance of such as rotor, misalign, bearing wear, axle crackle and the Early judgement of the mechanical problems such as friction occurs, the information of key can be provided.Current vortex sensor so that its reliable long-term working is good, measurement range is wide, highly sensitive, resolution is high, fast response time, interference resistance by force, not by impact, the advantages of simple structure and simple of the media such as greasy dirt, be used widely in the on-line monitoring and fault diagnosis of large rotating machinery state.
The most compact conformation of turbo-compressor group, work under bad environment, axle vibrations, space, axial translation installation site is little, installs probe coarse adjustment and to put in place difficulty, and can frequent dismounting.Current vortex sensor probe price is high, the easy fouling of screw thread above it or distortion, make to regulate moment of torsion to become large, the sensing coil intensity of current vortex sensor probe is low, installation site, from (about 1.3mm) close to rotating shaft position, is easy to cause damage when mounted, and harmlessly installs, need the operating personnel with higher technical merit and rich experiences to complete, and want Fast Installation hardly may.
In a word, at present when using the rotating shaft of eddy current detection device to turbo-compressor group to detect, there is the problem that rapidly current vortex sensor probe cannot be installed to distance rotating shaft distance to a declared goal position.
Summary of the invention
The embodiment of the present application is by providing a kind of electronic installation for installing current vortex sensor probe, solving in prior art when using the rotating shaft of eddy current detection device to turbo-compressor group to detect, there is the technical matters that rapidly current vortex sensor probe cannot be installed to distance rotating shaft distance to a declared goal position.
The application provides following technical scheme by an embodiment of the application:
For installing an electronic installation for current vortex sensor probe, comprising:
Crystal oscillator;
Resistance, the first end of described resistance is connected with described crystal oscillator;
Electric capacity, the first end of described electric capacity is connected with the second end of described resistance, the second end ground connection of described electric capacity;
Probe Connection Block, the first end of described probe Connection Block is connected with the second end of described resistance, the second end ground connection of described probe Connection Block, and described probe Connection Block is for connecting current vortex sensor probe;
Amplifier, the input end of described amplifier is connected with the second end of the first end of described electric capacity and described resistance;
Wave detector, the input end of described wave detector is connected with the output terminal of described amplifier;
Wave filter, the input end of described wave filter is connected with the output terminal of described wave detector;
Voltage table, the input end of described voltage table is connected with the output terminal of described wave filter.
Preferably, the described electronic installation for installing current vortex sensor probe, also comprises:
Box, for crystal oscillator, described resistance, described electric capacity, described amplifier, described wave detector and described wave filter described in splendid attire.
Preferably, described probe Connection Block is nested in described box, and the socket of described probe Connection Block is exposed to outside described box.
Preferably, described voltage table is nested in described box, and the panel board of described voltage table and guidance panel are exposed to outside described box.
Preferably, described box is specially:
The box of cast aluminium.
Preferably, described voltage table is specially:
Miniature voltage table.
Preferably, the described electronic installation for installing current vortex sensor probe, also comprises:
Power supply, is connected with described crystal oscillator, described amplifier, described wave filter and described voltage table, for powering to described crystal oscillator, described amplifier, described wave filter and described voltage table.
Preferably, described power supply is specially:
Dry cell; Or
Lithium battery.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
In the embodiment of the present application, the described electronic installation for installing current vortex sensor probe is based on resonance principle, in installation current vortex sensor probe process, achieve the effective detecting distance determining that current vortex sensor is popped one's head in fast, thus current vortex sensor probe is mounted to the coarse position of rotating shaft to be detected rapidly.So, to efficiently solve in prior art when using the rotating shaft of eddy current detection device to turbo-compressor group to detect, current vortex sensor probe cannot be installed to the technical matters of distance rotating shaft distance to a declared goal position by existence rapidly, achieving and fast current vortex sensor probe being installed to distance rotating shaft distance to a declared goal position, and ensure that current vortex sensor is popped one's head in injury-free technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is for installing the structural representation of the electronic installation of current vortex sensor probe in the embodiment of the present application;
Fig. 2 is for installing the application scenarios schematic diagram of the electronic installation of current vortex sensor probe in the embodiment of the present application.
Embodiment
The embodiment of the present application is by providing a kind of electronic installation for installing current vortex sensor probe, solving in prior art when using the rotating shaft of eddy current detection device to turbo-compressor group to detect, there is the technical matters that rapidly current vortex sensor probe cannot be installed to distance rotating shaft distance to a declared goal position.
The technical scheme of the embodiment of the present application is for solving the problems of the technologies described above, and general thought is as follows:
For installing an electronic installation for current vortex sensor probe, comprising: crystal oscillator; Resistance, the first end of described resistance is connected with described crystal oscillator; Electric capacity, the first end of described electric capacity is connected with the second end of described resistance, the second end ground connection of described electric capacity; Probe Connection Block, the first end of described probe Connection Block is connected with the second end of described resistance, the second end ground connection of described probe Connection Block, and described probe Connection Block is for connecting current vortex sensor probe; Amplifier, the input end of described amplifier is connected with the second end of the first end of described electric capacity and described resistance; Wave detector, the input end of described wave detector is connected with the output terminal of described amplifier; Wave filter, the input end of described wave filter is connected with the output terminal of described wave detector; Voltage table, the input end of described voltage table is connected with the output terminal of described wave filter.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
First illustrate, the term "and/or" occurred herein, being only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.In addition, character "/" herein, general expression forward-backward correlation is to the relation liking a kind of "or".
Embodiment one
Present embodiments providing a kind of electronic installation for installing current vortex sensor probe, as shown in Figure 1, comprising:
Crystal oscillator;
Resistance R, the first end 11 of described resistance R is connected with described crystal oscillator;
The first end 15 of electric capacity C, described electric capacity C is connected with second end 12 of described resistance R, second end 16 ground connection of described electric capacity C;
Probe Connection Block, the first end 13 of described probe Connection Block is connected with second end 12 of described resistance R, the second end 14 ground connection of described probe Connection Block, and described probe Connection Block is for connecting current vortex sensor probe;
Amplifier, the input end of described amplifier is connected with second end 12 of the first end 15 of described electric capacity C and described resistance R;
Wave detector, the input end of described wave detector is connected with the output terminal of described amplifier;
Wave filter, the input end of described wave filter is connected with the output terminal of described wave detector;
Voltage table, the input end of described voltage table is connected with the output terminal of described wave filter.
In specific implementation process, eddy current detection device comprises a current vortex sensor probe, coil is provided with in current vortex sensor probe, when current vortex sensor probe is connected with probe Connection Block, one end of this coil and resistance R the second end 12 be connected, the other end ground connection of this coil, now, this coil is equivalent to an inductance L, and inductance L and resistance R, electric capacity C form a resonant tank.
In specific implementation process, crystal oscillator is used for providing high-frequency signal, thus encourages described resonant tank.Herein, have employed quartz oscillator and high-frequency signal is provided, there is the advantage that stability is high.
In specific implementation process, can regulating resistance R and/or electric capacity C size be passed through, make this resonant tank have higher sensitivity.
In specific implementation process, this adopts resonance method for the electronic installation installing current vortex sensor probe, in installation current vortex sensor probe process, realizes determining effective detecting distance that current vortex sensor is popped one's head in fast.Wherein, resonance method is the change change of the equivalent inductance of the coil in current vortex sensor probe being converted to voltage or electric current, and the coil inductance L in current vortex sensor probe and electric capacity C composes in parallel LC shunt-resonant circuit, and its resonance frequency is
during resonance, the equiva lent impedance in loop is maximum, and Z=L/RC, R are resonant tank equivalent resistance.When coil inductance L changes, the equiva lent impedance of resonant tank and resonance frequency all will be changed to change with coil inductance L, therefore, the method for the method of measuring circuit impedance (or measuring circuit resonance frequency) can be utilized indirectly to measure the distance of the rotating shaft of current vortex sensor probe and turbo-compressor group.
In specific implementation process, as shown in Figure 1, the crystal oscillator of a frequency and amplitude stability can be adopted to provide a high-frequency signal to encourage LC resonant tank, and the output voltage of LC resonant tank is u=i
0f (Z), wherein, i
0for exciting current, Z is equiva lent impedance.In measurement, when current vortex sensor probe is away from metal conductor measured (such as: the rotating shaft of turbo-compressor group), LC resonant tank is in resonant condition, and the output voltage on LC resonant tank is maximum; When current vortex sensor probe is close to metal conductor measured, the equivalent inductance of the coil in current vortex sensor probe changes, and causes resonant tank off resonance and equiva lent impedance changes, output voltage is declined.The voltage exported amplifies through amplifier again, detector, exports corresponding magnitude of voltage after filter filtering by voltage table.So just achieve and convert L-x (inductance-distance) relation to V-x (voltage-distance) relation, by the measurement to LC resonant tank output voltage, the distance x between current vortex sensor probe and metal conductor measured can be determined.
Concrete use this for installing the electronic installation of current vortex sensor probe time, as shown in Figure 2, first the cable (or extension cable) that (eddy current detection device) current vortex sensor is popped one's head in is taken off from eddy current detection device, current vortex sensor probe cable (or extension cable) is connected to this for installing in the socket of the probe Connection Block of the electronic installation of current vortex sensor probe, and current vortex sensor probe is inserted in the bearing seat of rotating shaft to be detected in turbo-compressor group, and by the threaded rod on electric rotating eddy current sensor probe, current vortex sensor is popped one's head in gradually near the detection faces of rotating shaft to be detected, particularly, the voltage indicating value on voltage table is observed on rotating threaded rod limit, limit, when voltage indicating value changes just from high to low, stop the rotation probe threaded rod, now, current vortex sensor coarse adjustment of popping one's head in puts in place.
After coarse adjustment terminates, the cable (or extension cable) of being popped one's head in by current vortex sensor is again from originally taking off for the probe Connection Block of the electronic installation installing current vortex sensor probe, the cable (or extension cable) of being popped one's head in by current vortex sensor connects with eddy current detection device, according to eddy current detection device instructions, the position that current vortex sensor is popped one's head in is finely tuned, so just rapidly current vortex sensor probe can be installed to distance rotating shaft specified distance position, and ensure that current vortex sensor probe is without prejudice.
In sum, the described electronic installation for installing current vortex sensor probe is based on resonance principle, in installation current vortex sensor probe process, achieve the effective detecting distance determining that current vortex sensor is popped one's head in fast, thus current vortex sensor probe is mounted to the coarse position of rotating shaft to be detected rapidly.So, to efficiently solve in prior art when using the rotating shaft of eddy current detection device to turbo-compressor group to detect, current vortex sensor probe cannot be installed to the technical matters of distance rotating shaft distance to a declared goal position by existence rapidly, achieving and fast current vortex sensor probe being installed to distance rotating shaft distance to a declared goal position, and ensure that current vortex sensor is popped one's head in injury-free technique effect.
In specific implementation process, the described electronic installation for installing current vortex sensor probe, also comprises:
Box, for devices such as crystal oscillator, described resistance, described electric capacity, described amplifier, described wave detector and described wave filters described in splendid attire, for the protection of these devices.
In specific implementation process, described probe Connection Block is nested in described box, and the socket of described probe Connection Block is exposed to outside described box, is connected on probe Connection Block by current vortex sensor probe to facilitate.
In specific implementation process, described voltage table is nested in described box, and the panel board of described voltage table and guidance panel are exposed to outside described box, with handled easily, personnel operate voltage table, and the numerical value on handled easily personnel reader dial plate.
In specific implementation process, described box is specially the box of cast aluminium, the box of cast aluminium is adopted to have lightweight advantage, thus improve this for installing the portability of the electronic installation of current vortex sensor probe, meanwhile, can also be improved this for installing the interference free performance of the electronic installation of current vortex sensor probe.
In specific implementation process, described voltage table is specially miniature voltage table, further increases this for installing the portability of the electronic installation of current vortex sensor probe.
In specific implementation process, the described electronic installation for installing current vortex sensor probe, also comprises:
Power supply, is connected, for powering to these devices with devices such as described crystal oscillator, described amplifier, described wave filter and described voltage tables.Wherein, described power supply specifically can adopt dry cell or the compact battery such as lithium battery or button cell, these compact batteries have low price, buying is convenient, easy to carry, change the advantages such as convenient, thus improve this for installing practicality and the portability of the electronic installation of current vortex sensor probe.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
In the embodiment of the present application, the described electronic installation for installing current vortex sensor probe is based on resonance principle, in installation current vortex sensor probe process, achieve the effective detecting distance determining that current vortex sensor is popped one's head in fast, thus current vortex sensor probe is mounted to the coarse position of rotating shaft to be detected rapidly.So, to efficiently solve in prior art when using the rotating shaft of eddy current detection device to turbo-compressor group to detect, current vortex sensor probe cannot be installed to the technical matters of distance rotating shaft distance to a declared goal position by existence rapidly, achieving and fast current vortex sensor probe being installed to distance rotating shaft distance to a declared goal position, and ensure that current vortex sensor is popped one's head in injury-free technique effect.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1., for installing an electronic installation for current vortex sensor probe, it is characterized in that, comprise:
Crystal oscillator;
Resistance, the first end of described resistance is connected with described crystal oscillator;
Electric capacity, the first end of described electric capacity is connected with the second end of described resistance, the second end ground connection of described electric capacity;
Probe Connection Block, the first end of described probe Connection Block is connected with the second end of described resistance, the second end ground connection of described probe Connection Block, and described probe Connection Block is for connecting current vortex sensor probe;
Amplifier, the input end of described amplifier is connected with the second end of the first end of described electric capacity and described resistance;
Wave detector, the input end of described wave detector is connected with the output terminal of described amplifier;
Wave filter, the input end of described wave filter is connected with the output terminal of described wave detector;
Voltage table, the input end of described voltage table is connected with the output terminal of described wave filter.
2. as claimed in claim 1 for installing the electronic installation of current vortex sensor probe, it is characterized in that, the described electronic installation for installing current vortex sensor probe, also comprises:
Box, for crystal oscillator, described resistance, described electric capacity, described amplifier, described wave detector and described wave filter described in splendid attire.
3., as claimed in claim 2 for installing the electronic installation of current vortex sensor probe, it is characterized in that, described probe Connection Block is nested in described box, and the socket of described probe Connection Block is exposed to outside described box.
4., as claimed in claim 3 for installing the electronic installation of current vortex sensor probe, it is characterized in that, described voltage table is nested in described box, and the panel board of described voltage table and guidance panel are exposed to outside described box.
5., as claimed in claim 4 for installing the electronic installation of current vortex sensor probe, it is characterized in that, described box is specially:
The box of cast aluminium.
6., as claimed in claim 5 for installing the electronic installation of current vortex sensor probe, it is characterized in that, described voltage table is specially:
Miniature voltage table.
7. the electronic installation for installing current vortex sensor probe as described in as arbitrary in claim 1 ~ 6, is characterized in that, the described electronic installation for installing current vortex sensor probe, also comprises:
Power supply, is connected with described crystal oscillator, described amplifier, described wave filter and described voltage table, for powering to described crystal oscillator, described amplifier, described wave filter and described voltage table.
8., as claimed in claim 7 for installing the electronic installation of current vortex sensor probe, it is characterized in that, described power supply is specially:
Dry cell; Or
Lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723820.9U CN204404986U (en) | 2014-11-26 | 2014-11-26 | A kind of electronic installation for installing current vortex sensor probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723820.9U CN204404986U (en) | 2014-11-26 | 2014-11-26 | A kind of electronic installation for installing current vortex sensor probe |
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| Publication Number | Publication Date |
|---|---|
| CN204404986U true CN204404986U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723820.9U Expired - Fee Related CN204404986U (en) | 2014-11-26 | 2014-11-26 | A kind of electronic installation for installing current vortex sensor probe |
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| CN (1) | CN204404986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403232A (en) * | 2015-11-30 | 2016-03-16 | 国家电网公司 | Novel eddy-current sensor combination unit |
| CN108489370A (en) * | 2018-02-28 | 2018-09-04 | 天津职业技术师范大学 | A kind of current vortex range-measurement system and method suitable for aluminium |
-
2014
- 2014-11-26 CN CN201420723820.9U patent/CN204404986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403232A (en) * | 2015-11-30 | 2016-03-16 | 国家电网公司 | Novel eddy-current sensor combination unit |
| CN105403232B (en) * | 2015-11-30 | 2018-11-02 | 国家电网公司 | Novel eddy-current sensor combines the unit |
| CN108489370A (en) * | 2018-02-28 | 2018-09-04 | 天津职业技术师范大学 | A kind of current vortex range-measurement system and method suitable for aluminium |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170721 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20201126 |