CN207248487U - A kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value - Google Patents
A kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value Download PDFInfo
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- CN207248487U CN207248487U CN201721250965.1U CN201721250965U CN207248487U CN 207248487 U CN207248487 U CN 207248487U CN 201721250965 U CN201721250965 U CN 201721250965U CN 207248487 U CN207248487 U CN 207248487U
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Abstract
The utility model discloses a kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value；The technical problem of solution：The test that the existing emergent light spot to fiber optic bundle boundling end mentioned in the background art deviates is by the offset in the center of circle to carry out that angular deviation is calculated, there are datum level to be accurately positioned for this method, mark the position of each output light time-consuming and laborious, therefore be not suitable for the technical problem of the test job of mass.The technical solution of use：A kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value, including light source, in the incidence end that the transmitting terminal of light source passes through quick coupling joint connection silica fibre beam, silica fibre beam is horizontally disposed with and the light extraction end of silica fibre beam is arranged in detection support, and the detection scale of detection silica fibre beam emergent light spot deviation value is provided with 15 23cm apart from the light extraction end of silica fibre beam.Advantage, this detection device, can quantify the deviation value for detecting boundling end emergent light spot, form the examination criteria of fiber optic bundle.
Description
Technical field
The detection device of laser-projector fiber optic bundle emergent light spot deviation value is the utility model is related to, it is especially a kind of to swash
The detection device of light projector's fiber optic bundle emergent light spot deviation value, belongs to laser display field.
Background technology
Laser projection is that the anti-light curtain for uniqueness of arranging in pairs or groups, can show super large screen using reflective ultrashort burnt laser projection
Highlighted picture, and laser light source has long-life advantage, and the speed of brightness decay is very slow, while the color representation of laser is good
It is good, it is that traditional liquid crystal TV hardly matches.
And it is to carry out optical transport using fiber optic bundle to have a kind of designing scheme in laser-projector, but this boundling is quartzy
The boundling end of fiber optic bundle since optical fiber arrangement does not directly affect the tolerance energy density of end face closely, with laser coupled during
Easily cause damage；Simultaneously because optical fiber twisting easily occurs in the curing process when making boundling end for multifiber monofilament, from
And cause the launch angle of the final emergent light spot of optical fiber, and the outgoing to fiber optic bundle boundling end is needed in laser projection application
Hot spot deviation control can impact laser display effect if beyond setting range in certain scope.
The test that the existing emergent light spot to fiber optic bundle boundling end deviates is calculated by the offset in the center of circle
Angular deviation, there are datum level to be accurately positioned for this method, marks the position of each output light time-consuming and laborious, therefore not
Suitable for the test job of mass.
The content of the invention
Technical problem to be solved in the utility model is：It is mentioned in the background art existing to fiber optic bundle boundling end
Emergent light spot deviate test be to carry out that angular deviation is calculated by the offset in the center of circle, there are datum level for this method
It can not be accurately positioned, mark the position of each output light time-consuming and laborious, therefore be not suitable for the skill of the test job of mass
Art problem.
The purpose of this utility model is to propose a kind of detection dress of laser-projector fiber optic bundle emergent light spot deviation value
Put, the situation for the off-center axis of detection fiber constriction beam end emergent light spot.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value, including light source, in the transmitting of light source
End connects the incidence end of silica fibre beam by quick coupling joint, and silica fibre beam is horizontally disposed with and the light extraction of silica fibre beam
End is arranged in detection support, and the beam outgoing of detection silica fibre is provided with the 15-23cm apart from the light extraction end of silica fibre beam
The detection scale of hot spot deviation value.
Improvement to utility model technical solution, quick coupling joint include AN connector connector, connector base, spiral shell
Cap, lens mount, coupled lens and diaphragm,
The incidence end of the right end connection silica fibre beam of AN connector connector, the left end connection of AN connector connector connect
Connect the right end of device base；In the left end of lens mount right end insertion connector base and connect firmly, lens mount left end insertion diaphragm
Right end in and connect firmly, coupled lens are placed in lens mount；Spiro cap is on connector base and relative to connector bottom
Seat rotation；In the transmitting terminal of the left end insertion light source of diaphragm, and light source is connected firmly by the screw thread that nut inner surface is set.
Quick coupling joint in technical solutions of the utility model, this structure reduce the requirement of connector machining accuracy,
Compact-sized, user can easily carry out centering adjustment, handling or replace optical fiber, and the coupling end face of optical fiber is from polluting and damage
Wound.The step of testing fiber is directly connected to using such a connector, is eliminated using optical bench to adjust optical axis, because using
Connector with coupled lens, can be such that the focal beam spot of coupled lens falls on the center of optical fiber, and make focal beam spot
Cover the 80~90% of the effective thang-kng part in end face.
The further of above-mentioned technical proposal is improved, a diameter of 6-20mm of coupled lens, the focal range of coupled lens
10-20mm.Coupled lens generally use Φ 6-20mm. focal range 10-20mm, its clear field is big, can be big with beam diameter
Small different laser adapted.
The further of above-mentioned technical proposal is improved, coupled lens are made of quartz or glass.Coupled lens material can
Using quartz, glass etc., it can meet the requirement of various wavelength.
The further of above-mentioned technical proposal is improved, AN connector connector is using ST or the connector of SMA series.ST or
The use of the connector of SMA series, can easily be connected with optical fiber, have repeatability and interchangeability.
Improvement to utility model technical solution, light source are visible light source, and light source is saturating with feux rouges, yellow light and green light
Mating plate.
Improvement to utility model technical solution, the large core fiber beam of silica fibre beam, core diameter 400-600um, stone
The diameter ratio of the core diameter of English fiber optic bundle and the cortex of silica fibre beam is 1:1.04 or 1:1.25.
Improvement to utility model technical solution, detection scale are the donut with tracking cross ruler, per adjacent ring
Between fixed intervals be 5mm；The light extraction end center of silica fibre beam is overlapped with detecting the center of circle of scale.With tracking cross ruler
Donut detection scale, be 5mm per the fixed intervals between ring, detection support is from observing scale distance 15-23cm.
Position of rule is adjusted, the hot spot center of circle is overlapped with the scale center of circle.360 ° of spin fiber, if hot spot edge offset is without departing from fixation
Value, then judge that concentricity is qualified, otherwise to be unqualified if exceeding.This detection scale produces for routine techniques of the prior art
Product, can directly buy acquisition.
Improvement to utility model technical solution, detection support include the stent with V-groove, pass through spiral shell in cradle top
Nail sets upper cover, is setting elasticity to stop hook bolt corresponding at V-groove on upper lid.Such a V-groove detection support, the upper end use
Elasticity stops hook bolt, optical fiber light extraction end is fixed in standard round and is freely rotatable, easy to Concentric circles detection.
Compared with prior art, its advantage is the utility model：
1st, the detection device of this laser-projector fiber optic bundle emergent light spot deviation value, can quantify and detect that boundling is brought out
The deviation value of hot spot is penetrated, forms the examination criteria of fiber optic bundle.
2nd, the detection device of this laser-projector fiber optic bundle emergent light spot deviation value, the optical fiber constriction available for mass
Beam end is detected, and is greatly promoted fiber optic bundle and is made yield rate, while also provides foundation for the finished product detection of fiber optic bundle.
Brief description of the drawings
Fig. 1 is layout drawing of this laser-projector with the detection device of fiber optic bundle emergent light spot deviation value.
Fig. 2 is the structure diagram of quick coupling joint.
Fig. 3 is the sectional view of quick coupling joint.
Fig. 4 is the top view of detection support.
Fig. 5 is the partial sectional view of detection support.
Embodiment
Technical solutions of the utility model are described in detail below, but the scope of protection of the utility model is not limited to
The embodiment.
To make the content of the utility model more obvious understandable, below in conjunction with attached drawing 1- Fig. 5 and embodiment do into
The description of one step.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
Embodiment：
It is shown in Figure 1, the detection device of the present embodiment laser-projector fiber optic bundle emergent light spot deviation value, including light
Source 1, connects by quick coupling joint 2 incidence end of silica fibre beam 3,3 level of silica fibre beam is set in the transmitting terminal of light source 1
Put and the light extraction end of silica fibre beam 3 is arranged in detection support 4, set at the 15-23cm apart from the light extraction end of silica fibre beam 3
It is equipped with the detection scale 5 of 3 emergent light spot deviation value of detection silica fibre beam.
Light source 1 is visible light source, and light source carries the light transmission piece of feux rouges, yellow light and green light.The big core diameter of silica fibre beam 3
The diameter ratio of fiber optic bundle, core diameter 400-600um, the core diameter of silica fibre beam 3 and the cortex of silica fibre beam 3 is 1:1.04 or
1:1.25。
As shown in Figures 2 and 3, quick coupling joint 2 includes AN connector connector 6, connector base 7, nut 8, lens
Base 9, coupled lens 10 and diaphragm 11,
The incidence end of the right end connection silica fibre beam 3 of AN connector connector 6, the left end of AN connector connector 6 connect
The right end of connecting connector base 7；In the left end of 9 right end of lens mount insertion connector base 7 and connect firmly, 9 left end of lens mount
It is inserted into the right end of diaphragm 11 and connects firmly, coupled lens 10 is placed in lens mount 9；Nut 8 is sleeved on connector base 7 simultaneously
Rotated relative to connector base 7；In the transmitting terminal of the left end insertion light source 1 of diaphragm 11, and set by 8 inner surface of nut
Screw thread connects firmly light source 1.A diameter of 6-20mm of coupled lens 10, the focal range 10-20mm of coupled lens 10.Coupled lens lead to
Frequently with Φ 6-20mm. focal range 10-20mm, its clear field is big, laser adapted that can be of different sizes with beam diameter.
Coupled lens 10 are made of quartz or glass.Coupled lens material can use quartz, glass etc., can meet wanting for various wavelength
Ask.AN connector connector 6 is using ST or the connector of SMA series.The use of ST or the connector of SMA series, can easily and light
Fibre connection, has repeatability and interchangeability.
This quick coupling joint, this structure reduce the requirement of connector machining accuracy, and compact-sized, user can be easily
Carry out centering adjustment, handling or replace optical fiber, and the coupling end face of optical fiber is from polluting and damage.It will be treated using such a connector
The step of optical fiber is directly connected to, eliminates using optical bench to adjust optical axis is surveyed, because using the connector with coupled lens,
The focal beam spot of coupled lens can be made to fall on the center of optical fiber, and make the focal beam spot covering effective thang-kng part in end face
80~90%.
As shown in Figure 1, detection scale 5 is the donut with tracking cross ruler, the fixed intervals between every adjacent ring
For 5mm；The light extraction end center of silica fibre beam 3 is overlapped with detecting the center of circle of scale 5.Donut with tracking cross ruler
Detection scale, be 5mm per the fixed intervals between ring, detection support is from observing scale distance 15-23cm.Adjust scale position
Put, the hot spot center of circle is overlapped with the scale center of circle.360 ° of spin fiber, if hot spot edge offset is without departing from fixed value, then judges same
Heart degree is qualified, otherwise to be unqualified if exceeding.
As shown in Figures 4 and 5, detection support 4 includes the stent 4-1 with V-groove, is set in cradle top by screw
4-2 is covered, is setting elasticity to stop hook bolt 4-3 corresponding at V-groove on upper cover 4-2.Such a V-groove detection support, the upper end is adopted
Stop hook bolt with elasticity, optical fiber light extraction end is fixed in standard round and is freely rotatable, easy to Concentric circles detection.
As described above, although the utility model has been represented and described with reference to specific preferred embodiment, but it must not
It is construed to the limitation to the utility model itself.The spirit and scope of the utility model that appended claims define are not being departed from
Under the premise of, can various changes can be made in the form and details to it.
Claims (8)
- A kind of 1. laser-projector detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that including light source (1), Pass through the incidence end of quick coupling joint (2) connection silica fibre beam (3), silica fibre beam (3) water in the transmitting terminal of light source (1) The light extraction end of flat setting and silica fibre beam (3) is arranged in detection support (4), apart from the light extraction end of silica fibre beam (3) The detection scale (5) of detection silica fibre beam (3) emergent light spot deviation value is provided with 15-23cm；Quick coupling joint (2) includes AN connector connector (6), connector base (7), nut (8), lens mount (9), coupling Lens (10) and diaphragm (11), the incidence end of the right end connection silica fibre beam (3) of AN connector connector (6) are closed, standard connects Connect the right end of the left end connection connector base (7) of device connector (6)；A left side for lens mount (9) right end insertion connector base (7) In end and connect firmly, in the right end of lens mount (9) left end insertion diaphragm (11) and connect firmly, coupled lens (10) are placed in lens mount (9) in；Nut (8) is sleeved on connector base (7) and is rotated relative to connector base (7)；The left end of diaphragm (11) is inserted In the transmitting terminal for entering light source (1), and light source (1) is connected firmly by the screw thread that nut (8) inner surface is set.
- 2. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that A diameter of 6-20mm of coupled lens (10), the focal range 10-20mm of coupled lens (10).
- 3. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that Coupled lens (10) are made of quartz or glass.
- 4. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that AN connector connector (6) is using ST or the connector of SMA series.
- 5. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that Light source (1) is visible light source, and light source carries the light transmission piece of feux rouges, yellow light and green light.
- 6. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that The large core fiber beam of silica fibre beam (3), core diameter 400-600um, core diameter and the silica fibre beam of silica fibre beam (3) (3) the diameter ratio of cortex is 1:1.04 or 1:1.25.
- 7. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that It is the donut with tracking cross ruler to detect scale (5), and the fixed intervals between every adjacent ring are 5mm；Silica fibre beam (3) light extraction end center is overlapped with the center of circle of detection scale (5).
- 8. the laser-projector as claimed in claim 1 detection device of fiber optic bundle emergent light spot deviation value, it is characterised in that Detection support (4) includes the stent (4-1) with V-groove, and upper cover (4-2), upper cover (4-2) are set by screw in cradle top On corresponding at V-groove set elasticity stop hook bolt (4-3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250965.1U CN207248487U (en) | 2017-09-27 | 2017-09-27 | A kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value |
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| CN201721250965.1U CN207248487U (en) | 2017-09-27 | 2017-09-27 | A kind of detection device of laser-projector fiber optic bundle emergent light spot deviation value |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727362A (en) * | 2017-09-27 | 2018-02-23 | 南京春辉科技实业有限公司 | The detection means and its detection method of fibre bundle emergent light spot deviation value |
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2017
- 2017-09-27 CN CN201721250965.1U patent/CN207248487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727362A (en) * | 2017-09-27 | 2018-02-23 | 南京春辉科技实业有限公司 | The detection means and its detection method of fibre bundle emergent light spot deviation value |
| CN107727362B (en) * | 2017-09-27 | 2023-10-31 | 南京春辉科技实业有限公司 | Detection device and detection method for deviation value of emergent light spots of optical fiber bundle |
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