CN208936979U - A kind of optical parallel calibrating installation of universal face formula non-contact sensor - Google Patents
A kind of optical parallel calibrating installation of universal face formula non-contact sensor Download PDFInfo
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- CN208936979U CN208936979U CN201822151254.XU CN201822151254U CN208936979U CN 208936979 U CN208936979 U CN 208936979U CN 201822151254 U CN201822151254 U CN 201822151254U CN 208936979 U CN208936979 U CN 208936979U
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- optical fiber
- sensor
- mirror
- face
- calibrating installation
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Abstract
The utility model discloses a kind of optical parallel calibrating installation of universal face formula non-contact sensor, device includes a kind of intensity modulated formula mirror based fiber optica inclination angle mark sensor, and a kind of slidably mirror barrel device.The calibrating installation carries out inclined direction detection using the output characteristics of reflection type optical fiber beam sensor.Mirror barrel placement is fixed on object under test surface, the height of optical signal can be detected in mobile mirror face to optic-fiber combustion sensor, the optical signal size obtained after being modulated by the hot spot that fiber optic bundle luminous source optical fiber is launched of popping one's head in via mirror surface, just can tell before object under test surface and original sensor mounting plane whether the features such as relatively parallel and dip migration direction.To need sensor end face and the strictly parallel non-cpntact measurement sensor in object under test surface to provide a kind of effective installation calibrating tool, engineering practical value with higher.
Description
Technical field
The utility model relates to optical correction's technical field, in particular to a kind of optics of universal face formula non-contact sensor
Collimation device.
Background technique
The development of current sensor technology is more mature, nevertheless, in more and more detection demand situation, such as navigate
In empty shuttle motor, various energy thermal machine structures, the various high temperature and pressure of determinand and high-speed rotation it is severe
Environment proposes certain demand to non-cpntact measurement means.And in many non-cpntact measurement means common at present, have very big
A part is aspectant non-contact measurement, such as capacitive battery field sensor, is needed the capacitance sheet of sensor end face just
Measuring targets plane measures；For another example optical fiber type displacement sensor is needed the positive measuring targets table in Fibre Optical Sensor end face
Face with measure end face to object under test surface range information.And in the application of above-mentioned non-contact sensor, sensor installation is flat
Whether face and object under test surface are measurement accuracy that strictly parallel state directly determines non-cpntact measurement sensor.Due to non-
The characteristics of contact sensor is installed is difficult to keep sensor end face and determinand surface stringent by way of naked eyes and manual adjustment
In parallel, and the opposite pitch on sensor end face and determinand surface in subsequent detection can for testing result introduce error.For
In some determinand surfaces not and the characteristics of ground level, sensor installation end face can not also be carried out with common level meter
Calibration.
Therefore, it is necessary to seek a kind of sensor that can indicate relative inclination between sensing end face and object under test surface, with
This is used to calibrate sensor installation end face.
Utility model content
For the deficiency of existing calibration parallel techniques, the utility model is intended to through a kind of universal face formula non-contact sensor
Optical parallel calibrating installation.The utility model is intended to realize non-contact face formula sensor by a kind of convenient and fast optical sensor
The relative inclination on end face and determinand surface measures, and then helps to be adjusted not parallel mounting surface opposite with tested surface,
To improve the measurement accuracy of non-contact face formula sensor.
The utility model uses following technical scheme and reaches above-mentioned purpose of utility model:
A kind of optical parallel calibrating installation of universal face formula non-contact sensor, including reflection type optical fiber beam tilt angle mark
The mirror barrel of sensor and a built-in reflective mirror surface；
The reflection type optical fiber beam tilt angle mark sensor includes a luminous source optical fiber and Duo Zhi reception optical fiber, and more connect
Receiving optical fiber, circumferentially formula is distributed in luminous source optical fiber periphery, is irradiated to mirror surface for receiving the hot spot that luminous source optical fiber is launched
Afterwards, and it is reflected back the optical signal of reception optical fiber end face；
The mirror barrel indicates sensor for reflection type optical fiber beam tilt angle and provides reflecting surface medium, mirror surface activity
It is arranged in mirror barrel, and mirror surface can be parallel to the determinand surface sliding of mirror barrel bottom surface.
The mirror barrel is cylindrical tube, has sliding rail in mirror barrel and adjusts guide rail；The reflecting mirror
Face is provided with sliding buckle and the embedding mouth of sliding rail；The embedding mouth of sliding rail and sliding rail are cooperatively connected, and sliding is buckled and adjusted
Guide rail connection.
Scale is labeled with beside the adjusting guide rail.
The reflection type optical fiber beam tilt angle mark sensor is placed in encapsulating shell, and luminous source optical fiber and reception optical fiber form light
The end face of fine beam is placed in probe encapsulating shell side and is used to emit and receive optical signal, and the other end of luminous source optical fiber and reception optical fiber is equal
It is pierced by the encapsulating shell other side.
The end face of the reflection type optical fiber beam tilt angle mark sensor is provided with light-transmitting plate, more reception light on light-transmitting plate
It is carved with angle indicateing arm on fine midpoint corresponding position, to distinguish the inclination direction of reception optical fiber.
The mirror barrel radius is the radius greater than light-transmitting plate.
It is characterized by also including light source, driving circuit, photosignal conditioning circuit and host computer, photosignal conditionings
Circuit includes photoelectric conversion module and filter and amplification module；
The luminous source optical fiber is connected to the light source of rear end；The direction finding fiber optic bundle of reception optical fiber binding composition is connected to the light of rear end
Electric signal conditioning circuit；Photoelectric conversion module in photosignal conditioning circuit carries out photoelectric conversion and filter and amplification module into even
It connects, filter and amplification module and host computer are into connection.
A kind of calibration method of the optical parallel calibrating installation of universal face formula non-contact sensor, comprising the following steps:
By driving circuit outputting drive voltage to light source, light source issues the reflection type optical fiber beam tilt angle mark sensor
Optical signal is to luminous source optical fiber, and by luminous source optical fiber transmitting glossing up to mirror surface, the road optical signals reception optical fiber being reflected back
It receives, send the photoelectric conversion module into photoelectricity conditioning circuit to carry out photoelectric conversion, and be filtered and put by filter and amplification module
Greatly, host computer is sent to after to be analyzed.
Further include reflection type optical fiber beam tilt angle mark sensor position regulating step:
If the photoelectric conversion voltage of the signal path of more reception optical fibers is identical, end face is strictly put down with object under test surface
Row, if not, then by the intensity modulated formula mirror based fiber optica beam output characteristics acquired, detect minimum letter in the signal of more reception optical fibers
Number direction is then that the maximum direction in determinand surface is deviateed in original sensor installation end face, then direction mounting surface is towards to be measured
Object surface location moves down.
Compared with prior art, the utility model has the following beneficial effects:
The utility model includes a kind of intensity modulated formula mirror based fiber optica inclination angle mark sensor and a kind of slidably anti-
Penetrate body tube device.The calibrating installation carries out inclined direction detection using the output characteristics of reflection type optical fiber beam sensor.It will reflection
Lens barrel placement is fixed on object under test surface, and the height of optical signal can be detected in mobile mirror face to optic-fiber combustion sensor,
The optical signal size obtained after being modulated by the hot spot that fiber optic bundle luminous source optical fiber is launched of popping one's head in via mirror surface, just can differentiate
Out before object under test surface and original sensor mounting plane whether the features such as relatively parallel and dip migration direction.To need
Sensor end face and the strictly parallel non-cpntact measurement sensor in object under test surface is wanted to provide a kind of effective installation calibrating
Tool, engineering practical value with higher.
Detailed description of the invention
Fig. 1 is that the reflection type optical fiber beam tilt angle of the utility model indicates sensor probe；
Fig. 2 is that the reflection type optical fiber formula inclination angle of the utility model indicates sensor fiber beam end face；
Fig. 3 is the mirror barrel of the built-in slidably mirror surface of the utility model；
Fig. 4 is the mirror surface top view of the utility model；
Fig. 5 is the detection device flow chart of the utility model.
Specific embodiment
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
To keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawings and examples to this
The specific implementation situation of utility model is described further, described to be the explanation to the utility model rather than limit.
As shown in Figures 1 to 5, a kind of optical parallel calibrating installation of universal face formula non-contact sensor of the utility model,
Including the slidably mirror barrel 2 of reflecting surface built in reflection type optical fiber beam tilt angle mark sensor 1 and one.
Reflection type optical fiber beam tilt angle mark sensor 1 therein is made of 1 luminous source optical fiber 15 and 6 reception optical fiber 16,
Wherein 6 16 Fabrication parameters of reception optical fiber are completely the same.The light source of luminous source optical fiber 15 is mentioned by the light source part that power supply power supply drives
For circumferentially formula is distributed in 15 periphery of luminous source optical fiber to 6 reception optical fibers 16, shines for receiving the hot spot that luminous source optical fiber 15 is launched
After being mapped to mirror surface, and it is reflected back the optical signal of 6 reception optical fibers, 16 end face 11.And sensor end face 11 and determinand surface
Relative inclination information will receive optical signal size by 6 tunnels that are reflected back and embody, and then can be by 6 road optical signals
Compare processing, to distinguish relative inclination regularity of distribution feature.
By reflection-type optical fibre sensor principle it is found that when fiber optic bundle end face 11 is parallel with the plane of reflection, 6 reception optical fibers
16 light intensity signals received answer it is completely the same, it is otherwise, different by there is intensity according to the different location of 6 reception optical fibers 16
The light intensity signal of cause.We are by the inconsistent feature of the 6 road light intensity signals obtained by rear end conditioning circuit come to sensor side
Face 11 is differentiated with object under test surface angle direction with size.
Reflective lens barrel 2 is cylindrical tube, inside has symmetrical two sliding rails 22, is mainly used for fixed transmission face mirror
The Relative vertical in face and barrel, and mirror surface 21 is enable to slide up and down tune according to the range ability of optic-fiber combustion sensor
Section guarantees to have sensor end face 11 and determinand surface that collectable light intensity signal can be received under any spacing.It removes
Outside sliding rail 22, also there are sliding buckle 24 on the outside of mirror surface, embedded in adjusting on guide rail 23, convenient for users to according to
Object and sensor mounting location gap size are surveyed to manually adjust reflecting surface, to obtain collectable light intensity signal.Reflection is anti-
The design for penetrating lens barrel 2 mainly indicates sensor for fiber angle and provides ideal reflecting surface medium, to obtain accurate direction
Discriminator signal.
Sensor probe is indicated referring to the reflection type optical fiber beam tilt angle that Fig. 1 is the utility model, by 1 15 He of luminous source optical fiber
The fiber optic bundle of 6 reception optical fibers 16 composition is the sensing element of the utility model, and fiber optic bundle is fixed on the reflection type optical fiber beam of Fig. 1
Inclination angle indicates in sensor probe encapsulating shell 12, and the fiber optic bundle end face 11 of luminous source optical fiber 15 and the composition of reception optical fiber 16 is placed in probe
12 side of encapsulating shell is used to emit and receive optical signal, and two groups of optical fiber are drawn in 12 other side of encapsulating shell of popping one's head in, wherein a light
Fibre is luminous source optical fiber 15, is connected to rear end light source part；Another group of direction finding fiber optic bundle for 6 binding compositions of reception optical fiber 16 connects
To the photosignal conditioning circuit of rear end.
It is to be detected also for optic-fiber combustion sensor can be made to be fixed in order to facilitate recognizing and adjust sensor setting angle
Original sensor mounting plane, the utility model reflection type optical fiber beam tilt angle indicate sensor probe fibre-optical probe before be fixed with
The splendid light-transmitting plate 13 of the translucency that one glass/resin material is made, 13 diameter of light-transmitting plate are a.6 on light-transmitting plate 13
Angled indicateing arm 14 is etched on the corresponding position of optical fiber midpoint, scale x1, x2, x3, x4, x5, x6 is to distinguish inclination direction.
Sensor probe fiber optic bundle end face 11 is indicated for the reflection type optical fiber beam tilt angle of the utility model referring to fig. 2, wherein
Luminous source optical fiber 15 is placed in fiber optic bundle center, and 6 reception optical fibers 16 with circumferential tight distribution around luminous source optical fiber 15,
Optical fiber number exactly corresponds to angle direction indicateing arm x1, x2, x3, x4, x5, x6.When sensor is started to work, luminous source optical fiber
15 launch illumination to reflecting surface, and the hot spot being reflected back is covered in 6 reception optical fibers 16 of fiber optic bundle, then reflective light intensity is modulated
It is formed with the inclination information of mirror surface, the light intensity signal being respectively received is passed out to rear end photoelectricity by 6 reception optical fibers 16 later
In conditioning circuit, and show 6 road signal characteristics for testing staff's analysis by filter and amplification.
It is the mirror barrel 2 of slidably mirror surface built in the utility model referring to Fig. 3, primarily to reflecting light
Fine beam tilt angle mark sensor provides reflecting surface medium, because it is to have a certain range that the reception light intensity of fiber optic bundle, which can detect height,
, the light intensity signal after going beyond the scope can not just detect, it is therefore desirable to which artificial setting one is parallel with object under test surface
Reflecting surface；In addition to this, many non-cpntact measurement faces have many characteristics, such as roughness, are unfavorable for reflection type optical fiber beam sensor
Fine-limit work, therefore the auxiliary of reflective lens barrel 2 is necessary.Reflective lens barrel 2 shown in Fig. 3 is hollow cylinder
The radius of cylinder, cylindrical drum is greater than certain numerical value of probe light transmitting sheet radius a, and lower section is strictly parallel thereon, and lower section is placed solid
Setting has and the consistent inclination letter in object under test surface in the mirror surface on object under test surface, therefore in mirror barrel 2
Breath.The reflective lens barrel 2 need to be placed in below reflection type optical fiber beam tilt angle mark sensor, indicated and sensed with optical fiber beam tilt angle
Device can receive subject to reflected light signal.Slidably mirror surface 21 (a such as Fig. 4) is built-in in the reflective lens barrel 2,
It is strictly perpendicular to cylinder barrel, there is the raised sliding rail 22 of two Parallel Symmetrics in cylinder barrel, for being embedded in reflection
The embedding mouth 25 of the sliding rail of mirror surface 21.Make mirror surface 21 that can be parallel to the free to slide of bottom cylindrical face up and down.Mirror surface is another
Two sides are stuck on adjusting guide rail 23, it is parallel that twice have symmetrically been dug out in 2 two sides of mirror barrel equipped with sliding buckle 24 after stretching out barrel
Adjusting guide rail 23 and be aside labeled with scale, user only needs mobile mirror face buckle 24 can will be above and below mirror surface
It is mobile.
It is the detection device block diagram of the utility model referring to Fig. 5.Including light source 4, driving circuit 5, photosignal conditioning electricity
Road 7 and host computer 6, photosignal conditioning circuit 7 include photoelectric conversion module 8 and filter and amplification module 9；
Luminous source optical fiber 15 is connected to the light source 4 of rear end；The direction finding fiber optic bundle of the binding composition of reception optical fiber 16 is connected to the light of rear end
Electric signal conditioning circuit 7；Photoelectric conversion module 8 in photosignal conditioning circuit 7 carries out photoelectric conversion and filter and amplification module 9
Into connection, filter and amplification module 9 and host computer 6 are into connection.
The utility model additionally provides a kind of calibration side of the optical parallel calibrating installation of universal face formula non-contact sensor
Method, comprising the following steps:
Probe is fixed on original sensor using the light-transmitting plate 13 of fiber reflection formula optical fiber beam tilt angle mark sensor probe 1
On mounting surface, sensor is started to work, and by 5 outputting drive voltage of driving circuit to light source 4, light source 4 issues optical signal to light source
Optical fiber 15, and glossing up is emitted to mirror surface 21 by luminous source optical fiber 15,6 road optical signals reception optical fibers 16 being reflected back connect
It receives, send the photoelectric conversion module 8 into photoelectricity conditioning circuit 7 to carry out photoelectric conversion, and be filtered and put by filter and amplification module 9
Greatly, host computer 6 is sent to after to be analyzed.
If the photoelectric conversion voltage of x1, x2, x3, x4, x5, x6 signal path is identical, then former sensing installation end face 11 with to
It is strictly parallel to survey 3 surface of object, if not, then by intensity modulated formula mirror based fiber optica beam output characteristics, x1, x2, x3, x4, x5 are detected,
Minimum signal direction in the signal of the road x6, then be original sensor installation end face 11 deviate the maximum direction in determinand surface, only need by
Direction mounting surface is moved down towards determinand surface location.
The utility model improves the measurement accuracy of non-cpntact measurement sensor, is aerospace field etc. to non-cpntact measurement
It is required that more application provides a kind of effective correction means, keep testing result relatively reliable.If after launching production application
The installation calibrating precision of existing non-cpntact measurement will be greatly improved, additionally due to entire calibrating installation is low in cost, can generated
Very big economic growth benefit.
A kind of simple and effective collimation means are provided for all non-cpntact measurement sensors；Make under adverse circumstances
Non-contact detection device measurement result more has confidence level；Furthermore effective calibration also is provided for the research of noncontact measurement
With verifying means.Application range are as follows: the detection plane calibration of non-contact face formula sensor under all bad working environments；Aeronautics and Astronautics,
Engine of boat and ship compressor and turbine non-cpntact measurement collimation；Energy source and power equipment in turbine, compressor it is non-contact
Measure collimation；The health monitoring and design optimization of turbine, compressor in energy source and power equipment.
The above is only the illustration to the utility model.The technology people of technical field belonging to the utility model
Member can do various modifications or supplement to described citing, without departing from the spirit essence of the utility model, just belong to this
Claims limited range of utility model.
Although being described above in conjunction with specific embodiment of the attached drawing to the utility model, the utility model is not
It is confined to above-mentioned specific embodiment, above-mentioned specific embodiment is only schematical, directiveness rather than limits
Property.Those skilled in the art under the enlightenment of this specification, are protected in the claim for not departing from the utility model
In the case where the range of shield, a variety of forms can also be made, these belong to the column of the utility model protection.
Claims (7)
1. a kind of optical parallel calibrating installation of universal face formula non-contact sensor, it is characterised in that: including a reflection type optical fiber
The mirror barrel (2) of beam tilt angle mark sensor (1) and a built-in reflective mirror surface (21)；
Reflection type optical fiber beam tilt angle mark sensor (1) includes luminous source optical fiber (15) He Duozhi reception optical fiber
(16), circumferentially formula is distributed in luminous source optical fiber (15) periphery to more reception optical fibers (16), for receiving luminous source optical fiber (15) transmitting
After hot spot out is irradiated to mirror surface, and it is reflected back the optical signal of reception optical fiber (16) end face；
The mirror barrel (2) is that reflection type optical fiber beam tilt angle indicates sensor (1) offer reflecting surface medium, mirror surface
(21) it is movably arranged in mirror barrel (2), and mirror surface (21) can be parallel to the determinand table of mirror barrel (2) bottom surface
Face (3) sliding.
2. the optical parallel calibrating installation of universal face formula non-contact sensor according to claim 1, it is characterised in that: institute
The mirror barrel (2) stated is cylindrical tube, has sliding rail (22) in mirror barrel (2) and adjusts guide rail (23)；Described is anti-
It penetrates mirror surface (21) and is provided with sliding buckle (24) and the embedding mouth of sliding rail (25)；The embedding mouth of sliding rail (25) and sliding rail (22)
It is cooperatively connected, sliding buckle (24) is connect with guide rail (23) are adjusted.
3. the optical parallel calibrating installation of universal face formula non-contact sensor according to claim 2, it is characterised in that: institute
Scale is labeled with beside the adjusting guide rail (23) stated.
4. the optical parallel calibrating installation of universal face formula non-contact sensor according to claim 1, it is characterised in that: institute
Reflection type optical fiber beam tilt angle mark sensor (1) stated is placed in encapsulating shell (12), luminous source optical fiber (15) and reception optical fiber (16)
The end face (11) of composition fiber optic bundle is placed in probe encapsulating shell (12) side and is used to emit and receive optical signal, luminous source optical fiber (15) and
The other end of reception optical fiber (16) is pierced by encapsulating shell (12) other side.
5. the optical parallel calibrating installation of universal face formula non-contact sensor according to claim 4, it is characterised in that: institute
The end face (11) for reflection type optical fiber beam tilt angle mark sensor (1) stated is provided with light-transmitting plate (13), and light-transmitting plate (13) upper more
Angle indicateing arm (14) are carved on the corresponding position of reception optical fiber (16) midpoint, to distinguish the inclination direction of reception optical fiber (16).
6. the optical parallel calibrating installation of universal face formula non-contact sensor according to claim 5, it is characterised in that: institute
Mirror barrel (2) radius stated is the radius greater than light-transmitting plate (13).
7. according to claim 1 to the optical parallel calibrating installation of universal face formula non-contact sensor described in 6 any one,
It is characterized in that: further including light source (4), driving circuit (5), photosignal conditioning circuit (7) and host computer (6), photosignal tune
Managing circuit (7) includes photoelectric conversion module (8) and filter and amplification module (9)；
The luminous source optical fiber (15) is connected to the light source (4) of rear end；The direction finding fiber optic bundle of reception optical fiber (16) binding composition is connected to
The photosignal conditioning circuit (7) of rear end；Photoelectric conversion module (8) in photosignal conditioning circuit (7) carries out photoelectric conversion
With filter and amplification module (9) into connection, filter and amplification module (9) and host computer (6) are into connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151254.XU CN208936979U (en) | 2018-12-20 | 2018-12-20 | A kind of optical parallel calibrating installation of universal face formula non-contact sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151254.XU CN208936979U (en) | 2018-12-20 | 2018-12-20 | A kind of optical parallel calibrating installation of universal face formula non-contact sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208936979U true CN208936979U (en) | 2019-06-04 |
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ID=66728644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822151254.XU Expired - Fee Related CN208936979U (en) | 2018-12-20 | 2018-12-20 | A kind of optical parallel calibrating installation of universal face formula non-contact sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN208936979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596070A (en) * | 2018-12-20 | 2019-04-09 | 西安交通大学 | A kind of the optical parallel calibrating installation and method of universal face formula non-contact sensor |
| CN113340332A (en) * | 2021-05-27 | 2021-09-03 | 西安交通大学 | Photoelectric sensor calibration device and method |
-
2018
- 2018-12-20 CN CN201822151254.XU patent/CN208936979U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596070A (en) * | 2018-12-20 | 2019-04-09 | 西安交通大学 | A kind of the optical parallel calibrating installation and method of universal face formula non-contact sensor |
| CN113340332A (en) * | 2021-05-27 | 2021-09-03 | 西安交通大学 | Photoelectric sensor calibration device and method |
| CN113340332B (en) * | 2021-05-27 | 2022-07-12 | 西安交通大学 | Photoelectric sensor calibration device and method |
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Granted publication date: 20190604 Termination date: 20191220 |