Utility model content
The main purpose of the utility model is that propose a kind of optical fiber Deviation rectifier, it is intended to solve light in the prior art
It learns Deviation rectifier at work, light energy can be caused to waste and when detecting part to be measured, because the precision of optics Deviation rectifier is limited to
The size and spacing of photoelectric conversion unit on photoelectric converter, accuracy of detection is limited, can not accurately calculate the micro- of part
The technical issues of small movement, offset or defect size etc..
To achieve the above object, the utility model provides a kind of optical fiber Deviation rectifier, and the optical fiber Deviation rectifier includes:Directional light
Transmitter and directional light pick-up probe;
The parallel optical transmitting set includes:Laser emitter, angle modulation device, parallel photocontrol lens subassembly and hot spot
Snoot;
The directional light pick-up probe includes:Optical fiber pixel circuit board, Transmission Fibers, photoelectric converter and signal are adopted
Collect processing unit;
The laser emitter emits laser beam to the angle modulation device, and the angle modulation device swashs described
Light beam modulation into predetermined angle diverging light and penetrate on the parallel photocontrol lens subassembly, the parallel photocontrol lens
The diverging light is modulated into directional light by component, and the directional light is penetrated on the hot spot snoot, and the hot spot limits light
The directional light is modulated into the parallel hot spot identical with the optical fiber pixel circuit board size by door screen, and the parallel hot spot is vertical
It penetrates on the optical fiber pixel circuit board, the optical fiber pixel circuit board acquires the parallel hot spot and obtains optical signal, institute
It states optical signal and is transmitted to the photoelectric converter by the Transmission Fibers, the optical signal is converted by the photoelectric converter
Electric signal, and by the electric signal transmission to the signal acquisition and processing apparatus.
Further, the angle modulation device is optical fiber or waveguide.
Further, several optical fiber pixels are included on the optical fiber pixel circuit board.
Further, the photoelectric converter is made of several photoelectric conversion units.
Further, the photoelectric conversion unit is photo resistance or charge coupled cell.
Further, the parallel photocontrol lens subassembly is for a parallel photocontrol lens or by multiple parallel photocontrols
The parallel photocontrol lens group of lens composition.
Further, the optical fiber Deviation rectifier further includes:Light source constant control device, the light source constant control device with it is described
Laser emitter is connected, and is exported in order to the luminous intensity of laser emitter described in dynamic regulation.
Further, the optical fiber Deviation rectifier further includes:Light source radiator, the light source radiator and the Laser emission
Device is connected, for the laser emitter to be controlled to radiate.
The utility model proposes a kind of optical fiber Deviation rectifier, optical fiber Deviation rectifier includes:Parallel optical transmitting set and directional light connect
Detector is received, parallel optical transmitting set includes:Laser emitter, angle modulation device, parallel photocontrol lens subassembly, hot spot limitation
Diaphragm and power cord, directional light pick-up probe include:Optical fiber pixel circuit board, Transmission Fibers, photoelectric converter, signal are adopted
Collect processing unit and power supply and data line, laser emitter is used to emit laser beam, angle tune to angle modulation device
Device processed is used to laser beam being modulated into the diverging light of predetermined angle and penetrate in parallel photocontrol lens subassembly, parallel light-operated
Lens subassembly processed is used to diverging light being modulated into directional light, and directional light is penetrated on hot spot snoot, and hot spot snoot is used for
Directional light is modulated into the parallel hot spot identical with optical fiber pixel circuit board size, parallel hot spot is vertically penetrated in optical fiber pixel
On circuit board, optical fiber pixel circuit board obtains optical signal for acquiring parallel hot spot, and optical signal is transmitted to by Transmission Fibers
Photoelectric converter, photoelectric converter fill electric signal transmission to signal acquisition process for converting optical signals into electric signal
It puts.It compared with prior art, can be to the laser of laser transmitter projects using optical fiber Deviation rectifier made of angle modulation device
Light beam is modulated so that the angle of divergence of laser beam is controllable, and the light field area that laser beam is formed is less than or equal to
The area of parallel photocontrol lens, so as to save light energy, in addition, using being entangled based on optical fiber made of optical fiber pixel circuit board
Inclined device, when detecting part to be measured, part can block parallel hot spot, lead to the part fiber pixel on optical fiber pixel circuit board
Point can not receive parallel hot spot, and the accuracy of detection of optical fiber Deviation rectifier is decided by the size and spacing of optical fiber pixel, at present light
Fine end face diameter (i.e. the size of optical fiber pixel) can accomplish Nano grade, therefore two light on optical fiber pixel circuit board
The distance between fine pixel is small, can more accurately determine to be not received by the optical fiber pixel of parallel hot spot position and
Quantity improves accuracy of detection, and position and the quantity of the optical fiber pixel of parallel hot spot are not received by by analysis, so as to
More accurately calculate minute movement, offset or defect size of part etc..
Specific embodiment
Purpose of utility model, feature, advantage to enable the utility model is more apparent and understandable, below will knot
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model
In embodiment, those skilled in the art's all other embodiments obtained without making creative work, all
Belong to the range of the utility model protection.
In order to illustrate the technical solution of the utility model, illustrated below by specific embodiment.
In order to be better understood from the utility model, a kind of structure diagram of shown optical fiber Deviation rectifier, light are please referred to Fig.1
Fine Deviation rectifier includes:Parallel optical transmitting set 10 and directional light pick-up probe 20;
Parallel optical transmitting set 10 includes:Laser emitter 101, angle modulation device 102, parallel photocontrol lens 103 and
Hot spot snoot 104;
Directional light pick-up probe 20 includes:Optical fiber pixel circuit board 201, Transmission Fibers 202, photoelectric converter 203
And signal acquisition and processing apparatus 204;
Laser emitter 101 emits laser beam to angle modulation device 102, and angle modulation device 102 is by laser beam
It is modulated into the diverging light of predetermined angle and penetrates on parallel photocontrol lens 103, parallel photocontrol lens 103 will dissipate light modulation
Into directional light, directional light is penetrated on hot spot snoot 104, and directional light is modulated into and optical fiber pixel by hot spot snoot 104
The identical parallel hot spot of point 201 size of circuit board, parallel hot spot are vertically penetrated on optical fiber pixel circuit board 201, optical fiber pixel
Point circuit board 201 acquires parallel hot spot and obtains optical signal, and optical signal is transmitted to photoelectric converter 203 by Transmission Fibers 202, light
Electric transducer 203 converts optical signals into electric signal, and by electric signal transmission to signal acquisition and processing apparatus 204.
Further, angle modulation device 102 is optical fiber or waveguide.
In the utility model embodiment, laser beam can be modulated into the hair of predetermined angle by the optical fiber or waveguide
Astigmatism.
Wherein, the optical fiber or waveguide are previously prepared according to demand, for example, predetermined angle is 30 degree, for wavelength
For the laser beam of 600nm, according to wavelength and predetermined angle it is previously prepared go out required optical fiber or waveguide, in predetermined angle
It is constant, when the wavelength of laser beam is 650nm, need to prepare again an optical fiber either the freshly prepd optical fiber of waveguide weight or
Index distribution between waveguide and the optical fiber or each layer of waveguide that prepare before is different.
Further, several optical fiber pixels 2011 are included on optical fiber pixel circuit board 201.
Further, photoelectric converter 203 is made of several photoelectric conversion units 2031.
Wherein, photoelectric conversion unit 2031 is photo resistance or charge coupled cell.
In the utility model embodiment, referring to Fig. 1, each dot on optical fiber pixel circuit board 201 represents
One optical fiber pixel 2011.
Wherein, the distribution situation of several photoelectric conversion units 2031 is opposite with the distribution situation of several optical fiber pixels 2011
It should.
Wherein, each optical fiber pixel 2011 corresponds to a Transmission Fibers 202, and an optical fiber pixel 2011 is logical
It crosses and is connected with itself corresponding Transmission Fibers 202 with a photoelectric conversion unit 2031, optical fiber pixel 2011, transmission light
Fibre 202 is with photoelectric conversion unit 2031 into one-to-one relationship.
In the utility model embodiment, optical fiber pixel 2011 and photoelectric conversion unit are connected using Transmission Fibers 202
2031, because Transmission Fibers 202 itself have flexibility, can bend, to the size and photoelectric conversion unit of photoelectric converter 203
Spacing between 2031 does not require, even if in the position of optical fiber pixel 2011 and the position deviation of photoelectric conversion unit 2031
When very big, optical fiber pixel 2011 and photoelectric conversion unit 2031 can also be attached by Transmission Fibers 202, so as to drop
The low technical difficulty and cost for preparing photoelectric converter 203.
Further, parallel photocontrol lens subassembly 103 is for a parallel photocontrol lens or by multiple parallel photocontrols
The parallel photocontrol lens group of lens composition.
It is parallel light-operated by one in the utility model embodiment in the case where not changing the wavelength of laser beam
Diverging light is modulated into directional light by lens processed, saturating by regulating and controlling parallel photocontrol in the case of the wavelength for changing laser beam
The relative positions of each lens in microscope group changes focal length, so as to which the diverging light for changing wavelength is modulated into directional light.
Further, referring to Fig. 1, optical fiber Deviation rectifier further includes:Light source constant control device 106, light source constant control device
106 are connected with laser emitter 101, are exported in order to the luminous intensity of dynamic regulation laser emitter 101.
In the utility model embodiment, light source luminescent intensity feedback systems are equipped in light source constant control device 106, it can be with
The luminous intensity output of dynamic regulation laser emitter 101, stablizes luminous intensity output.
Further, referring to Fig. 1, optical fiber Deviation rectifier further includes:Light source radiator 107, light source radiator 107 and laser
Transmitter 101 is connected, for laser emitter 101 to be controlled to radiate.
In the utility model embodiment, light source radiator 107 can be that laser emitter 101 radiates, and make its operating temperature
Stablize.
The utility model proposes a kind of optical fiber Deviation rectifier, compared with prior art, be made using angle modulation device 102
Optical fiber Deviation rectifier, can to laser emitter 101 emit laser beam be modulated so that the angle of divergence of laser beam can
Control, and the light field area of laser beam formation is caused to be less than or equal to the area of parallel photocontrol lens, so as to save light energy,
In addition, for optical fiber Deviation rectifier made of optical fiber pixel circuit board 201, when detecting part 30 to be measured, part can block flat
Row hot spot causes the part fiber pixel on optical fiber pixel circuit board 201 that can not receive parallel hot spot, optical fiber Deviation rectifier
Accuracy of detection be decided by the size and spacing of optical fiber pixel, fiber end face diameter (i.e. the size of optical fiber pixel) can at present
To accomplish Nano grade, therefore the distance between two optical fiber pixels on optical fiber pixel circuit board 201 are small, can be more
Position and the quantity for the optical fiber pixel for being not received by parallel hot spot are accurately determined, improves accuracy of detection, is not had by analysis
There are position and the quantity of the optical fiber pixel for receiving parallel hot spot, so as to more accurately calculate the small shifting of part
Dynamic, offset or defect size etc..
Wherein, the utility model can be applied to the quality-monitoring of winding or spool process of producing product, please refer to Fig. 2 institutes
The winding shown or spool correction schematic diagram, in winding or spool process of producing product, it would be desirable to which the strip material edge of volume hides
The collimated light beam of a part is kept off, during winding campaign, if winding shifts, then its edge is in the light situation will hair
Changing will be accurately detected offset signal, and feed back to winding or beamer, it is made to be adjusted and rectify a deviation.It needs to note
Meaning, when detecting transparent winding, collimated light beam blocked by transparent winding from the luminous flux for the part that is not blocked be it is different,
But because the utility model is more uniform by the optical field distribution of 102 collimated light beam of angle modulation device, accuracy of detection is improved,
So it can equally detect transparent winding.As shown in figure 3, optical fiber Deviation rectifier 100 prepared by the utility model can also be applied to
30 size of part and apparent size detection.As shown in figure 4, optical fiber Deviation rectifier 100 prepared by the utility model can also be applied to
40 size detection of hole.As shown in figure 5, optical fiber Deviation rectifier 100 prepared by the utility model can also be applied to 50 rounding of turntable
Degree detection.As shown in fig. 6, optical fiber Deviation rectifier 100 prepared by the utility model can also be applied to winding 60 or part 30 is detected a flaw
Detection.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
Be above to a kind of description of optical fiber Deviation rectifier provided by the utility model, for those skilled in the art,
Based on the idea of the embodiment of the present invention, there will be changes in specific embodiments and applications, to sum up, this theory
Bright book content should not be construed as a limitation of the present invention.