CN106768309B - A kind of adaptive mechanism for being used to protect laser power meter - Google Patents
A kind of adaptive mechanism for being used to protect laser power meter Download PDFInfo
- Publication number
- CN106768309B CN106768309B CN201611125969.7A CN201611125969A CN106768309B CN 106768309 B CN106768309 B CN 106768309B CN 201611125969 A CN201611125969 A CN 201611125969A CN 106768309 B CN106768309 B CN 106768309B
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- CN
- China
- Prior art keywords
- rack
- beam expanding
- expanding lens
- handgrip
- laser power
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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.)
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J2001/0276—Protection
- G01J2001/0285—Protection against laser damage
Abstract
The present invention provides a kind of adaptive mechanism for being used to protect laser power meter, including housing, slide on housing cavity, the rack handgrip of lower end, with it is upper, the section of rack meshed gears of the rack handgrip of lower end, elongated slot is laterally offered on rack handgrip, the spring-hanging column being fixed on housing is provided with elongated slot, one end of extension spring is fixed on rack handgrip, the other end is hung on spring-hanging column, extension spring makes two rack handgrips remain retracted state to firmly grasp laser power meter, beam expanding lens is installed in gear, the beam expanding lens includes beam expanding lens sleeve, eyeglass is expanded in beam expanding lens sleeve, the outer wall of beam expanding lens sleeve is provided with external screw thread, the inwall of gear is provided with internal thread, the external screw thread of beam expanding lens sleeve and the female thread of gear are into a set of screw thread pair.The present invention is respectively provided with good adaptivity to detecting instruments such as the laser power meter laser energy meters of different model specification, keeps laser beam to be accurately irradiated on smooth surface.
Description
Technical field
The present invention relates to laser energy detection technique field, specifically a kind of adaptive machine for being used to protect laser power meter
Structure.
Background technology
Detection for laser energy, it will typically use the instruments such as laser energy meter, laser power meter, conventional detection
Method is typically all to shine directly into measured laser on the smooth surface 1-1 of instrument (referring to Fig. 4), but because the light beam of laser is straight
Footpath is universal all relatively fine, therefore, has on this smooth surface 1-1 that will cause laser energy meter, laser power meter local high-strength
Laser irradiation is spent, and it is extremely too high to show local energy intensity so that the intensity on smooth surface 1-1 is extremely uneven, meanwhile,
High-energy and tiny hot spot will cause the detecting instruments such as laser energy meter, laser power meter impaired and destroy.
What is more, and the laser if desired detected is the laser beam after focusing on, just more dangerous, if focus is just
Beat on smooth surface 1-1, for detecting instrument laser energy meter, laser power meter, destruction will be in a flash for this.
Then, in order to protect detecting instrument laser energy meter, laser power meter to be not subjected to damage, spy is irradiated in laser
Before smooth surface 1-1, first by laser beam carry out one it is appropriate expand, that is, original tiny lasing beam diameter is become big
(referring to Fig. 2, Fig. 3), original tiny spot diameter is set to expand as a larger hot spot (more see smooth surface 1-1 in Fig. 2, Fig. 3
Individual small arrow), therefore also just reduce the light reception intensity of laser energy meter or laser power meter smooth surface 1-1 unit areas.
But due to the unified standard of laser energy meter, laser power meter neither one, therefore, different manufacturers, different rule
Lattice, can there are profile not of uniform size, and the different shape such as also circular, square, this allows for being used to protect laser energy
The beam expanding lens installation of meter, laser power meter needs adaptive performance, so as to adapt to swashing for different size, different shape and size
Luminous energy, laser power meter.
The content of the invention
For the above-mentioned deficiency of prior art, the present invention provides a kind of adaptive mechanism for being used to protect laser power meter,
The detecting instruments such as the laser power meter laser energy meter to different model specification are respectively provided with good adaptivity, keep laser beam
Accurately it is irradiated on smooth surface.
A kind of adaptive mechanism for being used to protect laser power meter, including housing, slip are located at housing cavity upper and lower end
Rack handgrip, the section of rack meshed gears with the rack handgrip of upper and lower end, elongated slot is laterally offered on rack handgrip, it is long
The spring-hanging column being fixed on housing is provided with groove, one end of extension spring is fixed on rack handgrip, and the other end is hung on spring-hanging column, is drawn
Spring makes two rack handgrips remain retracted state to firmly grasp laser power meter, and beam expanding lens, the beam expanding lens bag are provided with gear
Include beam expanding lens sleeve, expand eyeglass in beam expanding lens sleeve, the outer wall of beam expanding lens sleeve is provided with external screw thread, the inwall of gear
Provided with internal thread, the external screw thread of beam expanding lens sleeve and the female thread of gear can be in gears into a set of screw thread pair, beam expanding lens sleeve
Internal thread in precession and back-out, so as to adjust the distance between the smooth surface for expanding eyeglass and laser power meter.
Further, it is provided with rack handgrip close to one end of elongated slot and hangs spring hole, one end of extension spring is caught on rack handgrip
The spring hole of hanging realize fixation with rack handgrip.
Further, the outer end of rack handgrip is provided with handle, and person's both hands easy to operation pull open rack handgrip.
Further, the outer end of rack handgrip is provided with gripper, is closely cased with being used to connect with laser power meter in gripper
Tactile elastic ring handgrip.
Further, the beam expanding lens also expands mirror sleeve including being installed on beam expanding lens barrel forward end tiny lens lid, being installed on
The macro lens lid of tube rear end.
Further, the outer wall of beam expanding lens sleeve is additionally provided with locking nut, for rotating beam expanding lens sleeve to some position
Beam expanding lens sleeve is locked afterwards.
Further, housing cover fastens with housing, the housing great circle inwall on housing and the gear shaft side on gear
Outer wall form cavity one, the outer wall of housing cover great circle inwall and the gear shaft opposite side on gear on housing cover is formed
One circle steel ball is respectively installed respectively in individual cavity two, cavity one and cavity two.
The present invention with gear by engaging to form two groups of antithesis meshed gears the rack handgrip of housing cavity upper and lower end
Rackwork, rack handgrip is allowed to realize synchronous symmetrical move toward one another, laser power meter laser of the mechanism to different model specification
The detecting instruments such as energy meter are respectively provided with good adaptivity, are detecting laser power and during laser energy, to laser energy meter,
Laser power meter is protected by so that is evenly distributed in laser energy meter, laser work(by the laser facula after beam expanding lens
On the whole smooth surface of rate meter.
Brief description of the drawings
Fig. 1 is the front view that the present invention is used to protect the adaptive mechanism of laser power meter；
Fig. 2 is Fig. 1 horizontal sectional drawing；
Fig. 3 is Fig. 1 longitudinal sectional drawing；
Fig. 4 is prior art laser energy detects schematic diagram.
In figure：1-laser power meter, 2-rack handgrip, 2-1-handle, 2-2-extension spring hole, 2-3-elongated slot, 2-4-
Gripper, 2-5-elastic ring handgrip, 3-extension spring, 4-housing, 4-1-spring-hanging column, 5-gear, 5-1-gear internal thread,
6-beam expanding lens sleeve, 6-1-external screw thread, 7-tiny lens lid, 8-expand eyeglass, 9-locking nut, 10-steel ball, 11-shell
Body cover plate, 12-screw, 13-macro lens lid, 14-cavity one, 15-cavity two.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described.
Refer to Fig. 1-3, the present invention is used to protecting the adaptive mechanism of laser power meter to include rack handgrip 2, extension spring 3,
Housing 4, gear 5, beam expanding lens sleeve 6, tiny lens lid 7, expand eyeglass 8, locking nut 9, steel ball 10, housing cover 11, screw
12nd, macro lens lid 13,14-cavity one, 15-cavity two.
The inner chamber upper and lower side of housing 4 is slidably fitted with a rack handgrip 2 respectively, and rack handgrip 2 can be left in housing 4
Right slip, the section of rack meshed gears 5 with upper and lower two rack handgrips 2 is provided between upper and lower two rack handgrips 2, due to
It is that two rack handgrips 2 engage with a gear 5, therefore, upper and lower two rack handgrips 2 form synchronous, symmetrical phase with gear 5
To motion, so that the elastic ring handgrip 2-5 on the both sides of rack handgrip 2 protects with the center of gear 5 all the time in any position
Hold symmetrical.
Elongated slot 2-3 is laterally offered on rack handgrip 2, is provided with rack handgrip 2 close to elongated slot 2-3 one end and hangs spring hole 2-
The spring-hanging column 4-1 being fixed on housing 4 is provided with 2, elongated slot 2-3, extension spring 3 is located in elongated slot 2-3, and tooth is caught in one end of extension spring 3
Extension spring hole 2-2 on bar handgrip 2, the other end of extension spring 3 are hung on spring-hanging column 4-1.So, the effect of extension spring 3 just allows two all the time
The state that individual rack handgrip 2 remains retracted, its result are exactly to firmly grasp laser power meter.
Handle 2-1 is fixed on the side of the outer end of rack handgrip 2, and person's both hands easy to operation pull open rack handgrip 2, rack handgrip
The opposite side of 2 outer ends is fixed with gripper 2-4 (referring to Fig. 2), and elastic ring handgrip 2-5 is closely covered on gripper 2-4 and (is shaped as
O-ring), elastic ring handgrip 2-5 can be made of silicon rubber, and its effect has two, first, the elasticity using elastic ring handgrip 2-5
Prevent the pulling force of extension spring 3 from causing the damage to laser power meter 1, second, elastic ring handgrip 2-5 elasticity adds frictional force, make
Obtain mechanism and laser power meter is grabbed more firm.
As shown in Fig. 2 housing cover 11 is fastened by screw 12 and housing 4, housing great circle inwall and gear on housing 4
The outer wall of gear shaft side on 5 forms cavity 1, the housing cover great circle inwall on housing cover 11 and the tooth on gear 5
The outer wall of wheel shaft opposite side forms a cavity 2 15.Rack handgrip 2 will be limited to two Slideslips.In cavity 1 and cavity 2 15
One circle steel ball 10 is respectively installed respectively, the axial location of the two circle common limiting gears 5 of steel ball 10 is motionless, and keeps the good of gear 5
Good rotation.Steel ball 10 is used to reduce frictional resistance of the gear 5 when rotating, while also remain the accuracy of the position of gear 5.
Beam expanding lens is installed, the beam expanding lens includes beam expanding lens sleeve 6, expanding in beam expanding lens sleeve 6 in gear 5
Eyeglass 8, the macro lens lid 13 for being installed on the front end tiny lens lid 7 of beam expanding lens sleeve 6, being installed on the rear end of beam expanding lens sleeve 6.Beam expanding lens
The outer wall of sleeve 6 is provided with external screw thread 6-1, and the inwall of gear 5 is provided with internal thread 5-1, the external screw thread 6-1 and tooth of beam expanding lens sleeve 6
The internal thread 5-1 of wheel 5 forms a set of screw thread pair, beam expanding lens sleeve 6 can precession and back-out in the internal thread of gear 5, so as to
Regulation expands the distance between smooth surface 1-1 of eyeglass 8 and laser power meter 1, that is, change on laser power meter 1 by
The size of spot diameter in smooth surface.When rotating beam expanding lens sleeve 6, expanding eyeglass 8 will change and the smooth surface of laser power meter 1
The distance between 1-1, after rotation beam expanding lens sleeve 6 arrives some position, the position shape that mix up can be locked with locking nut 9 again
State.The regulation of beam expanding lens sleeve 6 is mainly adaptable to different laser power meters because the laser power meter of different size by
Smooth surface 1-1 depth dimensionses are not unified.After detecting job done, tiny lens lid 7, macro lens lid 13 are covered, is expanded for protecting
Beam eyeglass 8 exempts to be contaminated.
The operating method of the present invention is as follows：
Remove tiny lens lid 7, macro lens lid 13 first, then, both hands pinch the handle 2- at the both ends of rack handgrip 2 with finger
1, firmly pulled open toward the left and right sides, aperture exceedes the external diameter of laser power meter, then whole mechanism is covered in into laser power meter table
Face, then unclamps right-hand man, and mechanism is then in the presence of extension spring 3, promptly laser power meter, and the center that will expand eyeglass 8 is protected
Hold at laser power meter smooth surface 1-1 centers, laser can be now irradiated to and expand eyeglass 8, expanding eyeglass 8 can be by energy height
The laser beam that degree is concentrated is separated into more large area, and this causes the detecting instruments such as laser power meter laser energy meter to be less likely to be damaged.
The state for allowing two rack handgrips 2 to remain retracted, its result are exactly to firmly grasp laser power meter.It look at the instruction light with laser coaxial
(feux rouges), rotate beam expanding lens sleeve 6 by hand, indicate that the hot spot of light become greater to maximum rating on smooth surface 1-1 until look at,
Detected with opening laser.
Laser now will be expanded to maximum gauge, and this will not form damage for laser power meter, because smooth surface
Unit light intensity one on 1-1 is scheduled within safe range.
Beam expanding lens is adjustable, therefore can change the size of detection hot spot, and adapts to the laser power of different size
Count the detecting instruments such as laser energy meter.
Mechanism make use of two groups of antithesis meshed gears rackworks, and (antithesis meshed gears rackwork refers to one
Gear engages with two racks simultaneously, and into symmetrically controlling in arrangement, then, either gear is made as driving link, rack
For Passive part, still antithesis, the motion of rack can all do move toward one another, have very accurate geometrical symmetry and motion
Symmetry, the symmetrical moment of couple is also showed on mechanics), ensure that mechanism to the laser power meter of different model specification
There are good symmetric pressure, therefore, mechanism in adaptivity, mechanism in clamping laser power timing, laser power meter stress
The laser power meter for going for different size and model is used as detection, so as to ensure laser beam after expanding,
Avoid destructiveness of the laser to laser power meter.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Belong to those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (6)
- A kind of 1. adaptive mechanism for being used to protect laser power meter, it is characterised in that：Housing is located at including housing (4), slip (4) the rack handgrip (2) of inner chamber upper and lower end, the section of rack meshed gears (5) with the rack handgrip (2) of upper and lower end, tooth Elongated slot (2-3) is laterally offered on bar handgrip (2), the spring-hanging column (4-1) being fixed on housing (4) is provided with elongated slot (2-3), draws One end of spring (3) is fixed on rack handgrip (2), and the other end is hung on spring-hanging column (4-1), and extension spring (3) makes two rack handgrips (2) state is remained retracted to firmly grasp laser power meter (1), beam expanding lens is installed in gear (5), the beam expanding lens includes beam expanding lens Sleeve (6), eyeglass (8) being expanded in beam expanding lens sleeve (6), the outer wall of beam expanding lens sleeve (6) is provided with external screw thread (6-1), The inwall of gear (5) is provided with internal thread (5-1), the external screw thread (6-1) of beam expanding lens sleeve (6) and the internal thread (5-1) of gear (5) Form a set of screw thread pair, beam expanding lens sleeve (6) precession and back-out in the internal thread (5-1) of gear (5), so as to adjust beam expanding lens The distance between smooth surface (1-1) of piece (8) and laser power meter (1)；The outer end of rack handgrip (2) is provided with gripper (2-4), Closely it is cased with being used for the elastic ring handgrip (2-5) contacted with laser power meter (1) in gripper (2-4).
- 2. the adaptive mechanism as claimed in claim 1 for being used to protect laser power meter, it is characterised in that：Rack handgrip (2) Upper be provided with close to one end of elongated slot (2-3) hangs spring hole (2-2), and the extension spring hole on rack handgrip (2) is caught in one end of extension spring (3) (2-2) realizes the fixation with rack handgrip (2).
- 3. the adaptive mechanism as claimed in claim 1 for being used to protect laser power meter, it is characterised in that：Rack handgrip (2) Outer end be provided with handle (2-1), person's both hands easy to operation pull open rack handgrip (2).
- 4. the adaptive mechanism as claimed in claim 1 for being used to protect laser power meter, it is characterised in that：The beam expanding lens is also Including the tiny lens lid (7) for being installed on beam expanding lens sleeve (6) front end and the macro lens lid for being installed on beam expanding lens sleeve (6) rear end (13)。
- 5. the adaptive mechanism as claimed in claim 1 for being used to protect laser power meter, it is characterised in that：Beam expanding lens sleeve (6) outer wall is additionally provided with locking nut (9), locks beam expanding lens sleeve (6) for rotating beam expanding lens sleeve (6) and arriving behind some position Fasten.
- 6. the adaptive mechanism as claimed in claim 1 for being used to protect laser power meter, it is characterised in that：Housing cover (11) Fastened with housing (4), the housing great circle inwall on housing (4) and the outer wall of the gear shaft side on gear (5) form cavity one (14), the outer wall of the housing cover great circle inwall on housing cover (11) and the gear shaft opposite side on gear (5) forms a sky A circle steel ball (10) is respectively installed respectively in chamber two (15), cavity one (14) and cavity two (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125969.7A CN106768309B (en) | 2016-12-09 | 2016-12-09 | A kind of adaptive mechanism for being used to protect laser power meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125969.7A CN106768309B (en) | 2016-12-09 | 2016-12-09 | A kind of adaptive mechanism for being used to protect laser power meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106768309A CN106768309A (en) | 2017-05-31 |
| CN106768309B true CN106768309B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611125969.7A Active CN106768309B (en) | 2016-12-09 | 2016-12-09 | A kind of adaptive mechanism for being used to protect laser power meter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3431261B1 (en) * | 2017-07-21 | 2020-09-02 | CL Schutzrechtsverwaltungs GmbH | Device for additives production of three-dimensional objects |
| CN112179273B (en) * | 2020-11-11 | 2021-08-03 | 金华好得科技有限公司 | High-efficient full-automatic mapping tool |
| CN113203473B (en) * | 2021-04-19 | 2022-06-21 | 上海飞博激光科技有限公司 | Myriawatt-level laser power meter protection device and laser power test system |
| CN113566956A (en) * | 2021-07-07 | 2021-10-29 | 河北兴林车身制造集团有限公司 | Blue light auxiliary detection support detection tool |
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| CN101403823A (en) * | 2008-10-28 | 2009-04-08 | 杭州电子科技大学 | Vector ring-shaped light beam reshaping apparatus |
| CN201936056U (en) * | 2011-03-05 | 2011-08-17 | 大庆朗墨光电科技有限公司 | Small-sized varifocal beam expanding lens |
| CN102331613A (en) * | 2011-07-08 | 2012-01-25 | 无锡荣兴科技有限公司 | Gear-driven automatic precision focusing mechanism of beam expander |
| CN204705770U (en) * | 2015-06-19 | 2015-10-14 | 鞍山天凯光电有限公司 | A kind of adjustable laser beam expanding lens device of rotation |
| CN105033451A (en) * | 2015-09-07 | 2015-11-11 | 江苏大学 | Double spacing coordinated regulation laser expanding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486278B (en) * | 2008-01-14 | 2012-05-23 | Axt公司 | Laser adjustable deepness marking system and method |
-
2016
- 2016-12-09 CN CN201611125969.7A patent/CN106768309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403823A (en) * | 2008-10-28 | 2009-04-08 | 杭州电子科技大学 | Vector ring-shaped light beam reshaping apparatus |
| CN201936056U (en) * | 2011-03-05 | 2011-08-17 | 大庆朗墨光电科技有限公司 | Small-sized varifocal beam expanding lens |
| CN102331613A (en) * | 2011-07-08 | 2012-01-25 | 无锡荣兴科技有限公司 | Gear-driven automatic precision focusing mechanism of beam expander |
| CN204705770U (en) * | 2015-06-19 | 2015-10-14 | 鞍山天凯光电有限公司 | A kind of adjustable laser beam expanding lens device of rotation |
| CN105033451A (en) * | 2015-09-07 | 2015-11-11 | 江苏大学 | Double spacing coordinated regulation laser expanding device |
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| CN106768309A (en) | 2017-05-31 |
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