CN208420235U - A kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust - Google Patents
A kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust Download PDFInfo
- Publication number
- CN208420235U CN208420235U CN201820724334.7U CN201820724334U CN208420235U CN 208420235 U CN208420235 U CN 208420235U CN 201820724334 U CN201820724334 U CN 201820724334U CN 208420235 U CN208420235 U CN 208420235U
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- China
- Prior art keywords
- input shaft
- horizontal input
- horizontal
- optical sensor
- wind turbine
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- 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 - Fee Related
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Abstract
The utility model discloses a kind of devices of Fibre Optical Sensor measurement small wind turbine axial thrust, under the premise of retaining the structure using the axial displacement of fiber sensor measuring horizontal input shaft, pass through the improvement of the supporting way to connection type and horizontal input shaft between horizontal input shaft and horizontal output shaft, so that being attached by the way of keyway sliding between horizontal input shaft and horizontal output shaft, therebetween setting elastomer, horizontal input shaft is supported using both-end, Measuring plate is set in the middle part of horizontal input shaft, fibre optical sensor is nearby arranged in the side of Measuring plate, axial displacement of the fibre optical sensor to measure horizontal input shaft, it is the axial thrust of small wind turbine according to the elastic force that Hooke's law can calculate elastomer.The utility model has the advantages that compact-sized, structural stability and measurement accuracy are high, long service life.
Description
Technical field
The utility model relates to a kind of device for measuring force, especially a kind of Fibre Optical Sensor measurement small wind turbine axial thrust
Device.
Background technique
The axial thrust-measuring device of small wind turbine is in addition to relatively conventional strain gauge transducer measurement method at present, also
It has developed a kind of using contactless fibre optical sensor, the measurement structure of middle transition component is connected using spring as twin shaft,
For Chinese invention patent CN 201711127676.7, the measuring device is when in use, small-sized by fiber sensor measuring
The axial displacement of wind energy conversion system in the process of running calculates the axial thrust of small wind turbine, the measurement by the decrement of spring
Structure has many advantages, such as high sensitivity, strong antijamming capability, although the above-mentioned prior art truly has its technical advantage, there is also one
A little shortcoming and defect, twin shaft connection type, the supporting way of trunnion axis for being mainly manifested in the measuring device are all complex, and one
Determine to affect structural stability in degree and then will affect measurement accuracy, and service life is caused to be affected.
Utility model content
Against the shortcomings and deficiencies of the above prior art, the utility model is intended to provide a kind of novel Fibre Optical Sensor measurement
The device of small wind turbine axial thrust, keyway slip connection mode is used between the twin shaft of the device, and horizontal input shaft uses
Both-end supporting way prolongs the service life to improve the structural stability and measurement accuracy of measuring device.
The technical scheme adopted by the utility model for solving the technical problem is:
A kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust, including pedestal and setting are on the pedestal top
The small wind turbine in portion and a fibre optical sensor, the small wind turbine include coaxially arranged horizontal input shaft and horizontal output
Two supports, the horizontal input shaft is arranged along the axial direction time interval of the horizontal input shaft in axis, the pedestal top
It is axially displaceably supported on described two supports, the front end of the horizontal output shaft is in hollow cylinder structure, and feature exists
In,
The rear end of the horizontal input shaft is inserted in the hollow cylinder of the horizontal output shaft front end, the hollow cylinder
Inner wall be equipped with a flat key sliding slot axially arranged, a flat key, institute is fixedly installed on the side wall of the horizontal input shaft rear end
It states flat key to be slideably arranged in the flat key sliding slot, the end of the bottom surface of the hollow cylinder and the horizontal input shaft rear end
One elastomer is set between face,
In described two supports, a support is arranged close to the front end of the horizontal input shaft, another support is close to institute
The rear end setting of horizontal input shaft is stated, an annular shoulder is arranged in the middle part of the horizontal input shaft, and the annular shoulder is located at institute
It states between two supports, a Measuring plate, the sensitive surface face institute of the fibre optical sensor is fixedly installed on the annular shoulder
State the front side or rear side end face of Measuring plate.
The device of the Fibre Optical Sensor measurement small wind turbine axial thrust of the utility model, its working principle is that:
Small wind turbine is rotated under the action of air-flow, then drives horizontal input shaft rotation, since level inputs
The flat key of shaft rear end is slidably arranged in the flat key sliding slot of the horizontal output shaft front end, and the rotation of horizontal input shaft can band
Dynamic horizontal output shaft rotation then external output mechanical energy and generates axial thrust, makes flat key on horizontal input shaft to moving to left
Dynamic, so that the elastomer compressive deformation between horizontal output shaft and horizontal input shaft, the axial displacement of annular shoulder is by optical fiber
Sensor is measured, and is the axial thrust of small wind turbine according to the elastic force that Hooke's law can calculate elastomer.
Preferably, bushing and neck bush are provided in each support, the outer ring interference of the bushing is covered described
On neck bush, the interior ring gap of the bushing is set on the horizontal input shaft.
Preferably, the elastomer is spring.
Compared with the existing technology, the device of the Fibre Optical Sensor measurement small wind turbine axial thrust of the utility model, is being protected
Under the premise of structure of the retained profits with the axial displacement of fiber sensor measuring horizontal input shaft, by horizontal input shaft and level
The improvement of the supporting way of connection type and horizontal input shaft between output shaft, so that horizontal input shaft and horizontal output shaft
Between using keyway sliding by the way of be attached, horizontal input shaft using both-end support, to improve entire measuring device
Structural stability and measurement accuracy, prolong the service life.
Detailed description of the invention
Fig. 1 is that the Fibre Optical Sensor of the utility model measures the schematic device of small wind turbine axial thrust；
Fig. 2 is the partial sectional view of horizontal output shaft front end；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is the main view of horizontal input shaft；
Fig. 5 is the left view of support.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be noted that the implementation for not being painted or describing in attached drawing, for institute
Belong to form known to a person of ordinary skill in the art in technical field.In addition, the direction term mentioned in following embodiment, such as "upper",
"lower", "front", "rear", "left", "right", "top", "bottom" etc. are only the directions with reference to attached drawing.Therefore, the direction term used is
For illustrating not to be used to limit the utility model.
As shown in Fig. 1~5, the device of the Fibre Optical Sensor measurement small wind turbine axial thrust of the utility model, including base
Seat 18 and the small wind turbine and fibre optical sensor 19 that 18 top of pedestal is arranged in, small wind turbine includes coaxially arranged water
Two supports 9 are arranged along the axial direction time interval of horizontal input shaft in flat input shaft 4 and horizontal output shaft 2,18 top of pedestal,
Horizontal input shaft 4 is axially displaceably supported on two supports 9, and a support 9 is arranged close to the front end of horizontal input shaft 4,
Another support 9 is arranged close to the rear end of horizontal input shaft 4, is provided with bushing 8 and neck bush 7 in each support 9, bushing 8
Outer ring interference covers on neck bush 7, and the interior ring gap of bushing 8 is set on horizontal input shaft 4.The middle part of horizontal input shaft 4 is set
An annular shoulder 5 is set, annular shoulder 5 is located between two supports 9, and a Measuring plate 6 is fixedly installed on annular shoulder 5, and optical fiber passes
The front side or rear side end face of the sensitive surface face Measuring plate 6 of sensor 19.
The front end of horizontal output shaft 2 is in hollow cylinder structure, before the rear end of horizontal input shaft 4 is inserted in horizontal output shaft 2
In the hollow cylinder 200 at end, the inner wall of hollow cylinder 200 is equipped with a flat key sliding slot 201 axially arranged, horizontal input shaft 4
One flat key slot 401 is set on the side wall of rear end, a flat key 3 is fixedly installed in flat key slot 401, flat key 3 is slideably arranged in flat
201 in key sliding slot, a spring 1 is set between the end face of 4 rear end of bottom surface and horizontal input shaft of hollow cylinder 200.
The front end of horizontal input shaft 4 is arranged impeller, and impeller includes wheel hub 10 and several wind energy conversion systems for being arranged on wheel hub 10
Blade 14, wheel hub 10 are fixed at the front end of horizontal input shaft 4, and wheel hub 10 is fixed by nut 11, spring washer 12 and plain cushion 13
On horizontal input shaft 4.
Support 9 is fixed on the top of pedestal 18 by screw 15, spring washer 16 and plain cushion 17.The top of pedestal 18 also sets up light
Fiber sensor 19, fibre optical sensor 19 on its sensor support base 20 by being supported, and sensor support base 20 is by screw 23, spring washer
22 and plain cushion 21 be fixed on the top of pedestal 18.
The utility model is realized in this way:
Pneumatic equipment bladess 14 are generated by the detour flow of arrives stream wind speed rise resistance in an atmosphere, so that torque is generated, band
Dynamic horizontal input shaft 4 and horizontal output shaft 2 rotate output mechanical energy, then convert mechanical energy into electric energy by generator, and produce
Raw axial thrust, is moved to the left the annular shoulder 5 on horizontal input shaft 4, then Measuring plate 6 is driven to be moved to the left, and make to pacify
1 compressive deformation of spring being placed between horizontal output shaft 4 and horizontal input shaft 2, the compression of displacement, that is, spring 1 of Measuring plate 6
Deflection is measured by fibre optical sensor 19, and the elastic force that can calculate spring 1 further according to Hooke's law is small wind turbine
Axial thrust.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles described according to the utility model design are done, is wrapped
It includes in the protection scope of the utility model.Those skilled in the art of the present invention can be to described specific
Embodiment is done various modifications or additions or is substituted in a similar manner, structure without departing from the utility model or
Person beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (3)
1. a kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust, including pedestal and setting are at the top of the pedestal
Small wind turbine and a fibre optical sensor, the small wind turbine includes coaxially arranged horizontal input shaft and horizontal output
Two supports, the horizontal input shaft is arranged along the axial direction time interval of the horizontal input shaft in axis, the pedestal top
It is axially displaceably supported on described two supports, the front end of the horizontal output shaft is in hollow cylinder structure, and feature exists
In,
The rear end of the horizontal input shaft is inserted in the hollow cylinder of the horizontal output shaft front end, the hollow cylinder it is interior
Wall is equipped with a flat key sliding slot axially arranged, a flat key is fixedly installed on the side wall of the horizontal input shaft rear end, described flat
Key is slideably arranged in the flat key sliding slot, the end face of the bottom surface of the hollow cylinder and the horizontal input shaft rear end it
Between an elastomer is set,
In described two supports, a support is arranged close to the front end of the horizontal input shaft, another support is close to the water
The rear end of flat input shaft is arranged, and an annular shoulder is arranged in the middle part of the horizontal input shaft, and the annular shoulder is located at described two
Between a support, a Measuring plate is fixedly installed on the annular shoulder, is surveyed described in the sensitive surface face of the fibre optical sensor
Measure the front side or rear side end face of disk.
2. the device of Fibre Optical Sensor measurement small wind turbine axial thrust according to claim 1, which is characterized in that each
Bushing and neck bush are provided in the support, the outer ring interference of the bushing covers on the neck bush, the bushing
Interior ring gap is set on the horizontal input shaft.
3. the device of Fibre Optical Sensor measurement small wind turbine axial thrust according to claim 1, which is characterized in that described
Elastomer is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724334.7U CN208420235U (en) | 2018-05-16 | 2018-05-16 | A kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724334.7U CN208420235U (en) | 2018-05-16 | 2018-05-16 | A kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420235U true CN208420235U (en) | 2019-01-22 |
Family
ID=65114572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820724334.7U Expired - Fee Related CN208420235U (en) | 2018-05-16 | 2018-05-16 | A kind of device of Fibre Optical Sensor measurement small wind turbine axial thrust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420235U (en) |
-
2018
- 2018-05-16 CN CN201820724334.7U patent/CN208420235U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |