CN2857021Y - Combined type rotating speed sensor - Google Patents
Combined type rotating speed sensor Download PDFInfo
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- CN2857021Y CN2857021Y CN 200520101811 CN200520101811U CN2857021Y CN 2857021 Y CN2857021 Y CN 2857021Y CN 200520101811 CN200520101811 CN 200520101811 CN 200520101811 U CN200520101811 U CN 200520101811U CN 2857021 Y CN2857021 Y CN 2857021Y
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- 239000013307 optical fiber Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000001413 cellular effect Effects 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a modular revolution speed transducer is the instrument of a wide application in fields such as teaching experiment, rotational speed detection. The power interface group, the turntable and the five modules are arranged in the same device, wherein the five modules comprise a magnetoelectric sensor, an eddy current sensor, a photoelectric sensor, an optical fiber sensor and a Hall sensor, and are reasonably arranged in the device. The utility model discloses can realize multiple measurement rotational speed mode on same instrument, satisfy different measurement requirements, compact structure, easy and simple to handle.
Description
Technical field
The utility model relates to a kind of combined type speed probe, be a kind of instrument that is widely used in fields such as education experiment, rotating speed detection, especially relate to a kind ofly can on same instrument, realize multiple measurement rotating speed mode, satisfy the different measuring requirement, compact conformation, combined type speed probe easy and simple to handle.
Background technology
Present speed probe is the single-mode surveying instrument that requires at particular measurement basically, can only realize tachometric survey to a kind of rotating part of or a kind equipment or product, and in case the sensor specification of selecting for use is improper, then can't realize accurate measurement, so also give and select right sensors to bring unnecessary trouble, cause in the choice and lose time,, then can feel awkward each other in addition if give under the situation of customer service.Measure under the situation of rotating speed in the multiple mode of needs such as education experiment realization, then will prepare a plurality of speed probes, must cause the cost waste, and take placement space; And in order to realize the multimode measurement, repeatedly removal sensor is given in the operation and is made troubles.
Summary of the invention
The utility model mainly be solve that the existing in prior technology metering system is single, type selecting is inconvenient, the technical matters of troublesome poeration etc.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: power interface group, rotating disk, 5 modules are arranged in the same device, magnetoelectric sensor, current vortex sensor, electro-optical pickoff, optical fiber sensor, hall sensor constitute 5 modules, reasonably are arranged in the device.
As preferably, the utility model adopt to be concentrated, the mode of reasonable Arrangement is arranged in power interface group, rotating disk, magnetoelectric sensor, current vortex sensor, electro-optical pickoff, optical fiber sensor and hall sensor unification in the rectangular parallelepiped device, wherein magnetoelectric sensor, hall sensor, optical fiber sensor, electro-optical pickoff and current vortex sensor successively along the rotating disk circumference around rotating disk.
As preferably, magnetoelectric sensor described in the utility model, current vortex sensor, electro-optical pickoff, optical fiber sensor and hall sensor provide five kinds of modes of measuring rotating speeds, have made things convenient for the client to select for use, have comprised wider measurement range; Shared one group of power interface has been avoided changing and has also been wanted other distribution source interface when testing the speed mode.
As preferably, rotating disk described in the utility model and each sensor alternative arrangement have been saved usage space, arrange alternate two holes on the rotating disk simultaneously, so that the light source transmission.
As preferably, the utility model adopts pin type joint, two kinds of modes of connection of eyelet terminal, is convenient to the client, the user adopts different mode of connection wiring.
In addition, some space, the upper right corner of the present utility model, the deviser has then arranged the device that the optical Fiber Method location moves, and has realized measuring rotating speed function in addition.
Therefore, the utlity model has rational in infrastructure, easy to operate, characteristics such as type selecting is easy, and is applied widely.
Description of drawings
Accompanying drawing 1 is a kind of primary structure of the present utility model and parts subregion synoptic diagram;
Accompanying drawing 2 is a kind of detailed structure of the present utility model and each element synoptic diagram.
Among the figure: 1. 30. No. six cellular type interfaces of power interface group 2. rotating disks 3. magnetoelectric sensors, 4. current vortex sensors, 5. electro-optical pickoffs, 6. optical fiber sensors, 7. hall sensors, 8. power interfaces, one 9. ground interfaces, one 10. power interface 26. No. two pin type joints of 25. No. three pin type joints of 24. No. ten pin type joints of 23. No. five cellular type interfaces of 22. No. nine pin type joints of 21. No. four cellular type interfaces of 20. No. three cellular type interfaces of 19. No. eight pin type connection port of 18. No. two cellular type interfaces of 17. No. seven pin type joints of No. 16. cellular type interfaces of 15. No. six pin type joints of 14. No. five pin type joints of 3 13. No. four pin type joints of 2 11. ground interfaces, 2 12. power interfaces No. 27. pin type joints 28. fibre-optical splices, 29. ride on Bus No. 11 pin type joints, 31. optical fiber entrances
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
In conjunction with the accompanying drawings 1 and 2, introduce the method for operating that magnetoelectric sensor, current vortex sensor, electro-optical pickoff, optical fiber sensor, hall sensor 5 modules are measured rotating speed successively, realization approach etc.In addition, introduce completely, whole combined type speed probe is placed on the experiment table or operator's console of corresponding supporting power supply for making, and configuration oscillograph and frequency meter.
Magnetoelectric sensor is measured rotating speed: guarantee that end face of this sensor and turntable surface distance are 1-2mm, with magnetoelectric transducer centrally aligned magnet steel center, 2V-15V speed governing power interface 8 joins with the speed governing power supply, cellular type interface 16 of magnetoelectric sensor output terminal links to each other with the frequency meter input terminal, and No. four pin type joint 13 links to each other with oscillograph with a cellular type interface 16.According to electromagnetic induction principle, the magnet of some is embedded into rotating disk, the variation that utilizes rotating disk revolution one all coil induced potentials to produce, by circuit conversion such as amplification, shapings, reading from the frequency meter converses rotating speed.
The electric vortex sensor measuring rotating speed: general-15V power interface 3 12 links to each other with lead with the appropriate section of experiment table or operator's console, No. two cellular type interfaces 18 of current vortex sensor output terminal link to each other with the frequency meter input terminal, 2V-15V speed governing power interface 8 joins with the speed governing power supply, and No. one pin type joint 27 links to each other with oscillograph with No. two cellular type interfaces 18.The end face of tested metal rotating shaft obtains the correspondent voltage variable quantity when obvious change in displacement is radially arranged, and through a series of circuit conversion, by the frequency meter reading, utilizes reduction formula to calculate rotating speed.
Electro-optical pickoff is measured rotating speed: general+15V power interface 2 10, ground connection interface 2 11 link to each other with lead with the appropriate section of experiment table or operator's console, No. three cellular type interfaces 20 of electro-optical pickoff output terminal link to each other with the frequency meter input terminal, 8 of 2V-15V speed governing power interfaces and speed governing power supply join, and No. two pin type joint 26 links to each other with oscillograph with No. eight pin type joints 17 or No. three pin type joints 25.The light source that the luminotron of sensor end sends is accepted electric signal by photoelectric tube after by two alternate on rotating disk perforates, and the electric pulse relevant with hole count utilizes reduction formula to calculate rotating speed by the frequency meter reading.
Optical fiber sensor is measured rotating speed: 2V-15V speed governing power interface 8 is linked to each other with lead with the appropriate section of experiment table or operator's console, fibre-optical splice 28 links to each other with optical fiber interface on the optical fiber sensor, No. four cellular type interfaces 21 of optical fiber sensor output terminal link to each other with the frequency meter input terminal, and ride on Bus No. 11 pin type joint 29 links to each other with oscillograph with No. four cellular type interfaces 21.The light that the optical fiber sensor light source sends is transmitted and is projected the surface of reflecting optics by launching fiber, reflection then, receive and pass back light activated element by receiving optical fiber, when reflecting optics changes with the rotating disk position of rotation, its period of change is exactly a rotation period, change into frequency by circuit, utilize formula to converse rotating speed.
Hall sensor is measured rotating speed: general+15V power interface 2 10 ,-15V power interface 3 12,2V-15V speed governing power interface 8 link to each other with lead with the appropriate section of experiment table or operator's console, No. five cellular type interfaces 23 of hall sensor output terminal link to each other with the frequency meter input terminal, and No. five pin type joint 14 links to each other with oscillograph with No. five cellular type interfaces 23.When on the tested rotating disk several magnetics being housed, the rotating disk identical number of times of changes of magnetic field that whenever circles, Hall voltage same frequency respective change, output potential is by circuit conversion such as amplification, shapings, and reading from the frequency meter converses rotating speed.
At last, should be pointed out that above embodiment only is the more representational example of the utility model.Obviously, the utility model is not limited to the foregoing description, and many distortion can also be arranged.Every foundation technical spirit of the present utility model all should be thought to belong to protection domain of the present utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. combined type speed probe, comprise that power pack (1), rotating disk (2) and 5 modules constitute, wherein 5 modules comprises some sensors, it is characterized in that being combined into one at described speed governing power supply, rotating disk and 5 modules, constitutes the combined type speed probe jointly.
2. a kind of combined type speed probe according to claim 1, it is characterized in that described 5 modules comprises magnetoelectric sensor (3), current vortex sensor (4), electro-optical pickoff (5), optical fiber sensor (6) and hall sensor (7), and unified being arranged in the rectangular parallelepiped device, wherein magnetoelectric sensor (3), hall sensor (7), optical fiber sensor (6), electro-optical pickoff (5) and current vortex sensor (4) are successively along rotating disk (2) circumference at rotating disk (2) on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101811 CN2857021Y (en) | 2005-04-25 | 2005-04-25 | Combined type rotating speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101811 CN2857021Y (en) | 2005-04-25 | 2005-04-25 | Combined type rotating speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2857021Y true CN2857021Y (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101811 Expired - Fee Related CN2857021Y (en) | 2005-04-25 | 2005-04-25 | Combined type rotating speed sensor |
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| Country | Link |
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| CN (1) | CN2857021Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608358A (en) * | 2012-03-09 | 2012-07-25 | 中国农业大学 | System and method for multi-sensor comparative rotation speed test |
| CN104459187A (en) * | 2014-11-21 | 2015-03-25 | 西安交通大学 | Device and method for measuring rotating speed of large rotating equipment |
| CN109342759A (en) * | 2018-12-21 | 2019-02-15 | 大庆智美石油科技有限公司 | A kind of photoelectric sensor system applied to tachometric survey |
| CN111965380A (en) * | 2020-07-31 | 2020-11-20 | 同济大学 | Rotating speed measurement demonstration platform and method integrating multiple rotating speed measurement methods |
-
2005
- 2005-04-25 CN CN 200520101811 patent/CN2857021Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608358A (en) * | 2012-03-09 | 2012-07-25 | 中国农业大学 | System and method for multi-sensor comparative rotation speed test |
| CN104459187A (en) * | 2014-11-21 | 2015-03-25 | 西安交通大学 | Device and method for measuring rotating speed of large rotating equipment |
| CN109342759A (en) * | 2018-12-21 | 2019-02-15 | 大庆智美石油科技有限公司 | A kind of photoelectric sensor system applied to tachometric survey |
| CN111965380A (en) * | 2020-07-31 | 2020-11-20 | 同济大学 | Rotating speed measurement demonstration platform and method integrating multiple rotating speed measurement methods |
| CN111965380B (en) * | 2020-07-31 | 2023-08-01 | 同济大学 | Rotating speed measurement demonstration platform and method integrating multiple rotating speed measurement methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20120425 |