CN107655857A - Tubular quantitative Schlieren system and adjusting device thereof - Google Patents
Tubular quantitative Schlieren system and adjusting device thereof Download PDFInfo
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- CN107655857A CN107655857A CN201711025791.3A CN201711025791A CN107655857A CN 107655857 A CN107655857 A CN 107655857A CN 201711025791 A CN201711025791 A CN 201711025791A CN 107655857 A CN107655857 A CN 107655857A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 47
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 48
- 238000009434 installation Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000004907 flux Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
- G01N21/455—Schlieren methods, e.g. for gradient index determination; Shadowgraph
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a tubular quantitative schlieren system and a regulating device thereof, wherein the regulating device comprises: the first base comprises a workbench, and the workbench is provided with a first light through port; the second base, the second base is connected with the workstation, the second base is equipped with first through-hole and the regulation passageway of intercommunication first through-hole, the second base still is equipped with the regulating part and can winds first through-hole central line pivoted light screen, the regulating part is including stretching out the regulation end of regulation passageway and can pass the flexible end of regulation passageway, the light screen sets up in first through-hole, and the light screen includes relative first end and second end, the first end of light screen is connected with the flexible end of regulating part, the second end of light screen forms the second light flux mouth relatively with the inner wall of first through-hole, and the second light flux mouth sets up with first light flux mouth relatively, the light screen can be followed the flexible end round trip movement of regulating part. The adjusting device can conveniently adjust the position of the light shielding plate.
Description
Technical field
The present invention relates to quantitative stration technique field, and in particular to a kind of pipe-type quantitative schlieren system and its adjusting means.
Background technology
Schlieren system is proportional to the principle of flow field current density using refractive index gradient of the light in tested flow field, by flow field
The change transitions of Midst density gradient are the change of relative light intensity in record plane, make shock wave in compressible flow field, compressional wave etc.
The violent region of variable density turns into observable, distinguishable image, so as to record.
With the development of quantitative schlieren system, its field applied also becomes more and more extensive, for quantitative computational flow
Gas density, generally use pipe-type quantitative schlieren system, i.e., optical system is encapsulated in hollow pipe and measured, this kind of side
Formula can prevent outside air etc. from producing interference to light path, ensure that the accuracy of measurement result.The quantitative schlieren system of conventional tubular
The adjusting means of system uses separate structure with body, i.e., adjusting means is set outside body, this kind of structure is not easy to shading
The regulation of Board position.
The content of the invention
Based on this, it is necessary to provide a kind of pipe-type quantitative schlieren system and its adjusting means, be easy to the tune of shading Board position
Section.
Its technical scheme is as follows：
A kind of adjusting means of pipe-type quantitative schlieren system, including：First pedestal, first pedestal include workbench,
The workbench is provided with the first light admission port；Second pedestal, second pedestal are connected with the workbench, and second pedestal is set
There is the regulation passage of first through hole and the connection first through hole, second pedestal is additionally provided with regulating part and can be around described first
The shadow shield that through hole center line rotates, the regulating part include stretching out the adjustable side of the regulation passage and may pass through the regulation
The telescopic end of passage, the shadow shield is arranged in the first through hole and the shadow shield includes relative first end and second
End, the first end of the shadow shield are connected with the telescopic end, the second end of the shadow shield and the inwall of the first through hole
Form the second light admission port relatively and second light admission port is oppositely arranged with first light admission port, the shadow shield can be along institute
The telescopic end telescopic direction for stating regulating part moves back and forth.
The adjusting means of above-mentioned pipe-type quantitative schlieren system, the first pedestal are provided with workbench, and workbench and the second pedestal connect
Connect, the second pedestal be provided with first through hole and regulation passage, regulation passage connection first through hole, the second pedestal be additionally provided with regulating part and
Shadow shield, shadow shield can be rotated around the center line of first through hole, ensure that shadow shield has the higher depth of parallelism, shadow shield
It is arranged in first through hole and the first end of shadow shield is fixedly connected with the telescopic end of regulating part, the second end and first of shadow shield
The inwall of through hole is relative to form the second light admission port, and the second light admission port is oppositely arranged with the first light admission port, pipe-type quantitative schlieren system
Adjusting means in use, tested light sequentially passes through the first light admission port and the second light admission port, by the regulation for adjusting regulating part
End makes telescopic end stretch, so as to drive shadow shield to move back and forth to cut tested light.Pipe-type quantitative schlieren system of the present invention
Easily shading Board position can be adjusted for adjusting means.
Technical scheme is illustrated further below：
In one of the embodiments, second pedestal is rotatablely connected with the workbench, makes second pedestal can
Rotated around the first through hole center line, for driving the shadow shield to rotate.Connected by the rotation of the second pedestal and workbench
Connect the rotation for realizing shadow shield around first through hole center line.
In one of the embodiments, the first through hole includes the first inwall, first inwall be provided with the first groove,
And first groove connects with the regulation passage, the shadow shield is arranged in first groove and the shadow shield
Can reset and be connected with the inwall elasticity of first groove, the telescopic end of the regulating part through the regulation passage and with institute
The first end for stating shadow shield abuts against.First groove is connected with regulation passage, and shadow shield is arranged in the first groove, regulating part
Telescopic end passage and abuts through regulation with the first end of shadow shield, when adjusting the adjustable side of regulating part stretches out telescopic end, stretches
Contracting end promotes the tested light of shadow shield cutting, when the adjustable side for adjusting regulating part is retracted telescopic end, due to shadow shield and the
The inwall elasticity of one groove can reset connection so that shading sheet reset.
In one of the embodiments, in addition to stopper slot, the second inwall of the first through hole offers described spacing
Groove, second inwall are disposed adjacent with first inwall, and the shadow shield is slidably matched with the stopper slot.Stopper slot with
Shadow shield is slidably matched, and can prevent shadow shield run-off the straight during movement.
In one of the embodiments, in addition to locating part and depression bar, first groove and the first through hole are distinguished
With it is described regulation passage communicate, the locating part is arranged in the stopper slot, the shadow shield include the 3rd relative end and
The inwall of 4th end, one end of the locating part and the stopper slot abuts against, the 3rd end of the other end and the shadow shield connects
Connect, one end of the depression bar connects to stretch out the 4th end of the free end of the regulation passage, the other end and the shadow shield and fixing
Connect, the free end of the telescopic end of the regulating part and the depression bar abuts against, and the depression bar can be along the telescopic end of the regulating part
Telescopic direction translates.Using locating part be further ensured that shadow shield in moving process will not run-off the straight, pass through adjust regulation
When the adjustable side of part stretches out telescopic end, the mobile drive shadow shield movement of depression bar passes through to cut tested light and adjusts regulation
When the adjustable side of part is retracted telescopic end, it is connected because shadow shield can reset with the inwall elasticity of the first groove so that shadow shield
Reset.
In one of the embodiments, second pedestal includes body and lid, one end of the body and the work
Make platform rotation connection, the other end be detachably connected with the lid, the body be provided with first be open and the second groove, the lid
Provided with the second opening and the 3rd groove, first opening is oppositely arranged with the described second opening and forms described first leads to body
Hole, second groove are oppositely arranged with the 3rd groove and form first groove.Body and lid coordinate shape jointly
Into the second pedestal, open lid easily can carry out I＆M to the component being arranged in the first groove.
In one of the embodiments, the second end of the shadow shield is provided with the cutting part for being used for cutting tested light, institute
It is blade-like to state cutting part；When the shadow shield is in first state, the cutting edge of the cutting part is to being tested the cutting of light
Amount is zero；When the shadow shield is in the second state, the cutting edge of the cutting part cuts the tested light.Cutting part is knife
The influence to light can be reduced during bladed, for shadow shield in first state, cutting edge is zero to the cutting quantity for being tested light, after convenient
Cutting quantity of the continuous measurement shadow shield to tested light；When shadow shield is in the second state, the cutting edge of cutting part enters to tested light
Row cutting.
In one of the embodiments, first pedestal also includes arc block, and the arc block includes what is be oppositely arranged
First mounting surface and the second mounting surface, first mounting surface are fixedly connected with the workbench, the shape of second mounting surface
The inwall of shape and schlieren pipe matches.The inwall of second mounting surface and schlieren pipe, which matches, enables adjusting means real with schlieren pipe
Now stable fixation.
In one of the embodiments, the inwall of the schlieren pipe is provided with mounting groove, and the mounting groove is described for adjusting
The installation site of second mounting surface.It is adjusted such that the adjusting means is located at using the convenient position to adjusting means of mounting groove
The focal point of lens.
A kind of pipe-type quantitative schlieren system, including above-mentioned adjusting means；Image recording structure；And for encapsulating the regulation
The schlieren pipe of device.
Pipe-type quantitative schlieren system includes above-mentioned adjusting means；Image recording structure；And for encapsulating the adjusting means
Schlieren pipe, easily shading Board position can be adjusted.
Brief description of the drawings
Fig. 1 is the structural representation of the adjusting means of the pipe-type quantitative schlieren system of one embodiment；
Fig. 2 is the structural representation of the adjusting means of the pipe-type quantitative schlieren system of another embodiment；
Fig. 3 is the first groove inner structure schematic diagram of the adjusting means of Fig. 2 pipe-type quantitative schlieren system；
Fig. 4 is the front view of the adjusting means of Fig. 2 pipe-type quantitative schlieren system；
Fig. 5 is the structural representation view under the visual angle of lid one of Fig. 2 pipe-type quantitative schlieren system；
Fig. 6 is the structural representation of the pipe-type quantitative schlieren system of the present invention.
Description of reference numerals：
10th, adjusting means, 20, light source, the 31, first lens, the 32, second lens, 40, measurand, 50, image record dress
Put, the 100, first pedestal, 110, workbench, 120, arc block, the 121, first mounting surface, the 122, second mounting surface, 200, second
Pedestal, the 210, body, 211, first opening, the 212, second groove, 213, stopper slot, 220, lid, the 221, second opening, 222,
3rd groove, 230, first through hole, 240, shadow shield, 250, depression bar, 260, spring, 270, locating part, 300, regulating part, 400,
Schlieren pipe, 410, mounting groove.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing and specific embodiment party
Formula, the present invention is described in further detail.It should be appreciated that embodiment described herein is only solving
The present invention is released, does not limit protection scope of the present invention.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.Can be detachable solid between them when element is referred to as " fixing " another element
It can also be non-removable fixed form to determine mode.When an element is considered as " connection " another element, it can be
It is directly connected to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the constraint present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
The similar term such as heretofore described " first ", " second ", " the 3rd ", " the 4th " does not represent specific quantity and suitable
Sequence, it is only used for the differentiation of title.
As shown in Figures 1 to 4, the adjusting means 10 of a kind of pipe-type quantitative schlieren system of the present invention, including：First
Pedestal 100, the first pedestal 100 include workbench 110, and workbench 110 is provided with the first light admission port (not shown)；Second pedestal 200,
Second pedestal 200 is connected with workbench 110, and the second pedestal 200 is provided with first through hole 230 and connects the regulation of first through hole 230
Passage (not shown), the second pedestal 200 are additionally provided with regulating part 300 and the shadow shield that can be rotated around the center line of first through hole 230
240, regulating part 300 includes the adjustable side for stretching out regulation passage and the telescopic end that may pass through regulation passage, shadow shield 240 are arranged at
In first through hole 230 and shadow shield 240 includes relative first end and the second end, the first end and regulating part of shadow shield 240
300 telescopic end connection, the second end of shadow shield 240 is relative with the inwall of first through hole 230 to form the second light admission port and second
Light admission port is oppositely arranged with the first light admission port, and shadow shield 240 can move back and forth along the telescopic end telescopic direction of regulating part 300.
The adjusting means 10 of the pipe-type quantitative schlieren system of the present invention, the first pedestal 100 are provided with workbench 110, workbench
110 are connected with the second pedestal 200, and the second pedestal 200 is provided with first through hole 230 and regulation passage, and the connection first of regulation passage is logical
Hole 230, the second pedestal 200 are additionally provided with regulating part 300 and shadow shield 240, and shadow shield 240 can be around the center line of first through hole 230
Rotated, ensure that shadow shield 240 has the higher depth of parallelism, shadow shield 240 is arranged in first through hole 230 and shadow shield
240 first end is fixedly connected with the telescopic end of regulating part 300, the second end of shadow shield 240 and the inwall phase of first through hole 230
To forming the second light admission port, the second light admission port is oppositely arranged with the first light admission port, the adjusting means of the pipe-type quantitative schlieren system
10 in use, tested light sequentially passes through the first light admission port and the second light admission port, and the adjustable side by adjusting regulating part 300 makes to stretch
Contracting end is stretched, so as to drive shadow shield 240 to move back and forth in the second light admission port to cut tested light.Above-mentioned pipe-type quantitative line
Easily the position of shadow shield 240 can be adjusted for the adjusting means 10 of shadow system.
Need to illustrate, the first light admission port, the shape of the light admission port of first through hole 230 and second can be circle
Can also be square or other disclosure satisfy that the shape of use demand；Regulating part 300 can be micrometer or other can realize and stretch
Contracting and the device of measurement；The first end of shadow shield 240 can be to be fixedly connected with the type of attachment of regulating part 300, need to only expire
During the telescopic end stretching motion of sufficient regulating part 300 shadow shield 240 can be driven to move back and forth, this, which is fixedly connected with form, to be
It can also be indirectly fixedly connected by intermediary element to be directly fixedly connected；Second pedestal 200 can also be provided with and supply regulating part
The installation position of 300 installations, such as groove or boss so that what regulating part 300 can be stablized is arranged on the second pedestal 200 i.e.
Can.
As shown in Figure 1 to Figure 3, on the basis of above-described embodiment, shadow shield 240 can be around the center line of first through hole 230
It can be that shadow shield 240 itself can be rotated or by other assemblies around the center line of first through hole 230 to carry out rotation
Or the rotation of element is so as to driving shadow shield 240 to be rotated around the center line of first through hole 230.Specifically, the second pedestal
200 are rotatablely connected with workbench 110, the second pedestal 200 is rotated, around the center line of first through hole 230 for driving shadow shield
240 rotate.The rotation connection form of second pedestal 200 and workbench 110 can be coordinated using existing slide rail with chute
Form that form or hinge coordinate or other existing can realize that the second pedestal 200 is matched somebody with somebody around what the center line of first through hole 230 rotated
Conjunction form.Rotated by the second pedestal 200 relative to center line of the workbench 110 around first through hole 230 so as to drive shadow shield 240
Center line around first through hole 230 rotates.The rotation of shadow shield 240 allows to the position of regulation shadow shield 240 as needed,
It ensure that between cutting sideline and the measurand 40 of shadow shield 240 that there is the higher depth of parallelism.Need to illustrate, hide
Tabula rasa 240 can also be by whole adjusting means 10 around the center line of first through hole 230 around the rotation of the center line of first through hole 230 rotation
Turn to realize.
As shown in Figures 1 to 5, on the basis of any of the above-described embodiment, first through hole 230 (is not shown including the first inwall
Go out), the first inwall is provided with the first groove (not shown) and the first groove connects with regulation passage, and shadow shield 240 is arranged at first
In groove and shadow shield 240 can reset with the inwall elasticity of the first groove and be connected, and the telescopic end of regulating part 300 is logical through regulation
Road and abutted against with the first end of shadow shield 240.First groove connects with regulation passage, and shadow shield 240 is arranged at the first groove
Interior, the telescopic end of regulating part 300 abuts through regulation passage and with the first end of shadow shield 240, adjusts the regulation of regulating part 300
When end stretches out telescopic end, telescopic end promotes the tested light of the cutting of shadow shield 240, when the adjustable side of regulation regulating part 300 makes to stretch
When contracting end is retracted, it is connected because shadow shield 240 can reset with the inwall elasticity of the first groove so that shadow shield 240 resets.Need
Illustrate, the first inwall of first through hole 230 can be a single plane, for example one of them of square opening is flat
Face or refer to face in a certain region, such as the curved surface where a certain region of circular hole；Shadow shield and the first groove inner wall
Elasticity can reset connection can be realized by way of spring 260 connects, can also reed connection by way of or other
Can realize elasticity can reset function element or component realize.In one embodiment on the basis of the present embodiment, in addition to limit
Position groove 213, the second inwall (not shown) of first through hole 230 offer stopper slot 213, and the second inwall is adjacent with the first inwall to be set
Put, shadow shield 240 is slidably matched with stopper slot 213.Using being slidably matched between stopper slot 213 and shadow shield 240, prevent from hiding
The run-off the straight during movement of tabula rasa 240.It can also be two that the quantity of stopper slot 213, which can be one, work as stopper slot
213 when being two, and second stopper slot 213 is offered on the 3rd inwall that is oppositely arranged with the second inwall.
Further, in addition to locating part 270 and depression bar 250, the first groove and first through hole 230 are respectively with adjusting passage
Communicate, locating part 270 is arranged in stopper slot 213, and shadow shield 240 includes relative the 3rd end and the 4th end, locating part 270
The inwall of one end and stopper slot 213 abuts against, the three-terminal link of the other end and shadow shield 240, and one end of depression bar 250 is stretches out
Adjust the free end of passage, the other end is fixedly connected with the 4th end of shadow shield 240, telescopic end and the depression bar 250 of regulating part 300
Free end abut against, depression bar 250 can along regulating part 300 telescopic end telescopic direction translate.One end of locating part 270 with it is spacing
The inwall of groove 213 abuts, the three-terminal link of the relative other end and shadow shield 240, by the adjustable side for adjusting regulating part 300
When stretching out telescopic end, the depression bar 250 abutted with adjustable side is translated so as to drive shadow shield 240 to move to cut tested light,
One end and the rubbing action of the inwall of stopper slot 213 due to locating part 270, are further ensured that shadow shield 240 in moving process
Will not run-off the straight, when the adjustable side by adjusting regulating part 300 is retracted telescopic end, due to the groove of shadow shield 240 and first
Inwall elasticity can reset connection so that shadow shield 240 resets.Need to illustrate, locating part 270 can be block
It can be cylindric, only need to ensure that locating part 270 can have enough frictional force to ensure to hide with the ground that stopper slot 213 abuts against
Will not run-off the straight in the moving process of tabula rasa 240；Connection between locating part 270 and shadow shield 240 can be fixed company
It can also be that dismountable connection is either attached by intermediary element to connect, and only need to ensure locating part 270 and shadow shield 240
Forming one can be by the entirety of frictional force.
Further, the second pedestal 200 includes body 210 and lid 220,110 turns of one end and the workbench of body 210
Dynamic connection, the other end and lid 220 are detachably connected, and body 210 is provided with the first opening 211 and the second groove 212, lid 220
Provided with the second opening 221 and the 3rd groove 222, the first opening 211 is oppositely arranged with the described second opening 221 and forms first
Through hole 230, the second groove 212 and the 3rd groove 222 are oppositely arranged and form the first groove.First through hole 230 is by body 210
On the first opening 211 and the second opening on lid 220 221 cooperatively form, the first groove is recessed by second on body 210
The 3rd groove 222 on groove 212 and lid 220 cooperatively forms, and is detachably connected between body 210 and lid 220, body
The second pedestal 200 is cooperatively formed between 210 and lid 220, opening lid 220 can be easily to being arranged in the first groove
Component carry out being installed on maintenance.Need to illustrate, regulation passage, stopper slot 213 are also respectively by body 210 and lid
220 passage accordingly opened up or notch cooperatively forms；Being detachably connected between body 210 and lid 220 can be passed through
Cooperation between stud and screwed hole is realized or realized using modes such as buckle or magnetic-adsorptions, only need to meet body
It can dismount between 210 and lid 220, because the mode of realization has much in the prior art, no longer chat one by one herein
State.
As shown in Figure 3 to Figure 4, on the basis of any of the above-described embodiment, the second end of shadow shield 240, which is provided with, to be used to cut
The cutting part of tested light, cutting part is blade-like；When shadow shield 240 is in first state, the cutting edge of cutting part is to tested
The cutting quantity of light is zero；When shadow shield 240 is in the second state, the tested light of cutting edge cutting of cutting part.Cutting part is
Influence of the shadow shield 240 to light can be reduced during blade-like, shadow shield 240 in first state, to tested light cut by cutting edge
The amount of cutting is zero, i.e., the position of cutting edge is in topmost, and the regulated quantity of regulating part 300 is zero, convenient follow-up reading shadow shield 240
Displacement with obtain cutting edge to be tested light cutting quantity；When shadow shield 240 is in the second state, the cutting edge of cutting part is to quilt
Light-metering line is cut.
As shown in Figures 1 to 4, on the basis of any of the above-described embodiment, the first pedestal 100 also includes arc block 120, arc
Shape block 120 includes the first mounting surface 121 and the second mounting surface 122 being oppositely arranged, and the first mounting surface 121 and workbench 110 are solid
Fixed connection, the shape and the inwall of schlieren pipe 400 of the second mounting surface 122 match.Arc block 120 includes the first mounting surface 121
And second mounting surface 122, the first mounting surface 121 are oppositely arranged with the second mounting surface 122, and arc is realized by the first mounting surface 121
Shape block 120 is fixedly connected with workbench 110, and the shape of the second mounting surface 122 and the inwall of schlieren pipe 400 matches, and passes through
Second mounting surface 122 realizes being fixedly connected for arc block 120 and schlieren pipe 400, and the setting of arc block 120 causes whole regulation dress
Put 10 fixations that can be stablized with schlieren pipe 400.Need to illustrate, the first mounting surface 121 and workbench 110
It is fixedly connected and the second mounting surface 122 and schlieren pipe 400 is fixedly connected, connected mode can passes through stud and screwed hole
Coordinate and realize, can also be realized in the form of pin and pin-and-hole immovable fitting, the mode being fixedly connected belongs to prior art, herein
No longer describe one by one.On the basis of the present embodiment, the inwall of schlieren pipe 400 is provided with mounting groove 410, and mounting groove 410 is used to adjust
Save the installation site of the second mounting surface 122.Specifically, length direction extension of the mounting groove 410 along schlieren pipe 400, utilizes installation
Secure fit mode between the mounting surface 122 of groove 410 and second realizes the fixation of whole adjusting means 10, meanwhile, adjusting means
10 can move in the optional position on the length direction of mounting groove 410, relative so as to easily adjust adjusting means 10
The distance of lens so that adjusting means 10 is located on or near the focal position of lens.
As shown in fig. 6, a kind of pipe-type quantitative schlieren system of the present invention, the regulation for including any of the above-described embodiment fills
Put 10；Image recording structure 50；And for encapsulating the schlieren pipe 400 of adjusting means 10.
The pipe-type quantitative schlieren system, the light that light source 20 is sent first pass around the first lens 31, then pass through tested pair
As 40, the first light admission port and the second light admission port that the second lens 32 sequentially pass through adjusting means 10 afterwards are then passed through, is finally arrived
Up to image recording structure 50.Easily the position of shadow shield 240 is adjusted using adjusting means 10 is enough.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the constraint to patent of invention scope can not be interpreted as.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. adjusting means of pipe-type quantitative schlieren system, it is characterised in that including：First pedestal, first pedestal include workbench, and the workbench is provided with the first light admission port；Second pedestal, second pedestal are connected with the workbench, and second pedestal is provided with described in first through hole and connection The regulation passage of first through hole, second pedestal are additionally provided with regulating part and the shading that can be rotated around the first through hole center line Plate, the regulating part include stretching out the adjustable side of the regulation passage and may pass through the telescopic end of the regulation passage, the screening Tabula rasa is arranged in the first through hole and the shadow shield includes relative first end and the second end, and the of the shadow shield One end is connected with the telescopic end of the regulating part, and the second end of the shadow shield is relative with the inwall of the first through hole to form the Two light admission ports and second light admission port is oppositely arranged with first light admission port, the shadow shield can be along the regulating part Telescopic end telescopic direction moves back and forth.
- 2. the adjusting means of pipe-type quantitative schlieren system according to claim 1, it is characterised in that second pedestal with The workbench rotation connection, makes second pedestal to be rotated, around the first through hole center line for driving the shading Plate rotates.
- 3. the adjusting means of pipe-type quantitative schlieren system according to claim 1, it is characterised in that the first through hole bag The first inwall is included, first inwall is provided with the first groove and first groove connects with the regulation passage, the shading Plate is arranged in first groove and the shadow shield can reset with the inwall elasticity of first groove and be connected, the tune The telescopic end of section part abuts against through the regulation passage and with the first end of the shadow shield.
- 4. the adjusting means of pipe-type quantitative schlieren system according to claim 3, it is characterised in that also including stopper slot, Second inwall of the first through hole offers the stopper slot, and second inwall is disposed adjacent with first inwall, institute Shadow shield is stated to be slidably matched with the stopper slot.
- 5. the adjusting means of pipe-type quantitative schlieren system according to claim 4, it is characterised in that also including locating part and Depression bar, first groove and the first through hole communicate with the regulation passage respectively, and the locating part is arranged at the limit In the groove of position, the shadow shield includes relative the 3rd end and the 4th end, one end of the locating part and the inwall of the stopper slot Abut against, the three-terminal link of the other end and the shadow shield, one end of the depression bar is the stretching freedom for adjusting passage End, the other end are fixedly connected with the 4th end of the shadow shield, the free end phase of the telescopic end of the regulating part and the depression bar Abut, the depression bar can translate along the telescopic end telescopic direction of the regulating part.
- 6. the adjusting means of pipe-type quantitative schlieren system according to claim 5, it is characterised in that the second pedestal bag Body and lid are included, one end of the body is rotatablely connected with the workbench, the other end is detachably connected with the lid, institute Body is stated provided with the first opening and the second groove, the lid is provided with the second opening and the 3rd groove, first opening and institute State the second opening to be oppositely arranged and form the first through hole, second groove is oppositely arranged with the 3rd groove and shape Into first groove.
- 7. the adjusting means of pipe-type quantitative schlieren system according to claim 1, it is characterised in that the of the shadow shield Two ends are provided with the cutting part for being used for cutting tested light, and the cutting part is blade-like；When the shadow shield is in first state, the cutting edge of the cutting part is zero to the cutting quantity of the tested light；When the shadow shield is in the second state, the cutting edge of the cutting part cuts the tested light.
- 8. the adjusting means of the pipe-type quantitative schlieren system according to any one of claim 1 to 7, it is characterised in that described First pedestal also includes arc block, and the arc block includes the first mounting surface and the second mounting surface being oppositely arranged, and described first Mounting surface is fixedly connected with the workbench, and the shape and the inwall of schlieren pipe of second mounting surface match.
- 9. the adjusting means of pipe-type quantitative schlieren system according to claim 8, it is characterised in that the schlieren pipe it is interior Wall is provided with mounting groove, and the mounting groove is used for the installation site for adjusting second mounting surface.
- 10. a kind of pipe-type quantitative schlieren system, it is characterised in that including the regulation dress as described in any one of claim 1 to 9 Put；Image recording structure；And for encapsulating the schlieren pipe of the adjusting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025791.3A CN107655857A (en) | 2017-10-27 | 2017-10-27 | Tubular quantitative Schlieren system and adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025791.3A CN107655857A (en) | 2017-10-27 | 2017-10-27 | Tubular quantitative Schlieren system and adjusting device thereof |
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| CN107655857A true CN107655857A (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711025791.3A Pending CN107655857A (en) | 2017-10-27 | 2017-10-27 | Tubular quantitative Schlieren system and adjusting device thereof |
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| CN108732115A (en) * | 2018-05-18 | 2018-11-02 | 中国矿业大学(北京) | A kind of schlieren system for observing circular pipe flow field |
| CN110287909A (en) * | 2019-06-28 | 2019-09-27 | 京东方科技集团股份有限公司 | A kind of display device |
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