CN107702657A - A kind of gap measuring device - Google Patents
A kind of gap measuring device Download PDFInfo
- Publication number
- CN107702657A CN107702657A CN201711054305.0A CN201711054305A CN107702657A CN 107702657 A CN107702657 A CN 107702657A CN 201711054305 A CN201711054305 A CN 201711054305A CN 107702657 A CN107702657 A CN 107702657A
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- China
- Prior art keywords
- light
- measuring device
- gap measuring
- conduit
- parallel rays
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
Abstract
The present invention provides a kind of gap measuring device, and the gap measuring device includes light emitters and the light conduit being connected with the light emitters, is provided with two speculums in the light conduit, transmission region is provided with the light conduit；The light emitters launch two parallel rays, and two parallel rays forms two antiparallel light after different speculum reflections respectively along the light conduit, and the two antiparallel light projects through the transmission region respectively.Some can be so measured by light than narrow and not easy-operating space, makes measurement result more accurate.
Description
Technical field
The present invention relates to field of measuring technique, more particularly to a kind of gap measuring device.
Background technology
, it is necessary to which people enter the measurement of line space in daily life, scientific experiment or industrial production, especially some precisions
Experiment or production in, it is necessary to spacing between measuring the object of small―gap suture.For example, in vehicle design phase, to vehicle cabin
Be required for the size of measurement gap between inner tube circuit or key components and parts, early stage can not only guiding vehicle engineer to cabin
The arrangement of interior parts, later stage can also find entrucking problem in time, have very important significance.
But in the prior art, such as some are there may be than narrow and not easy-operating space on vehicle, at these
If space measures, the result accuracy of measurement is than relatively low.It can be seen that in the prior art, exist some than narrow and
When not easy-operating space measures, the result accuracy of measurement than it is relatively low the problem of.
The content of the invention
The embodiment of the present invention provides a kind of gap measuring device, to solve at some than narrow and not easy-operating space
When measuring, the result accuracy of measurement than it is relatively low the problem of.
In a first aspect, the embodiments of the invention provide a kind of gap measuring device, including light emitters and with the light
The light conduit of line transmitter connection, is provided with two speculums in the light conduit, is provided with the light conduit
Light region；
The light emitters launch two parallel rays, and two parallel rays divides along the light conduit
Two antiparallel light are not formed after different speculum reflections, the two antiparallel light is respectively through the transmission region
Project.
Optionally, the speculum is level crossing.
Optionally, the angle between two parallel rays and each speculum is 45 degree.
Optionally, the gap measuring device also includes two trays, and described two speculums are individually fixed in described two
On individual tray, described two trays and the light bonding catheter.
Optionally, the light emitters include two line sources, and two parallel rays passes through described two line sources
Project.
Optionally, the light emitters include an area source, and the area source is provided with two light ejection hole, described
The light that area source projects forms two parallel rays by described two light ejection hole.
Optionally, the transmission region is two loopholes, and a light in the two antiparallel light passes through institute
The loophole stated in two loopholes projects, and another light in the two antiparallel light passes through described two
Another loophole in unthreaded hole projects.
Optionally, the light emitters also include display screen, and the display screen is used for the spacing for showing measurement.
Optionally, the gap measuring device is additionally provided with switch, and the switch electrically connects with the light emitters.
A kind of gap measuring device of the embodiment of the present invention, including light emitters and be connected with the light emitters
Light conduit, two speculums are provided with the light conduit, transmission region is provided with the light conduit；The light
Transmitter launches two parallel rays, and two parallel rays is along the light conduit, and respectively through different speculums
Two antiparallel light are formed after reflection, the two antiparallel light projects through the transmission region respectively.It can so lead to
Cross light and measure some than narrow and not easy-operating space, make measurement result more accurate.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed for being described below to the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of gap measuring device provided in an embodiment of the present invention；
Fig. 2 is the position view of two loopholes provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of gap measuring device provided in an embodiment of the present invention.Such as Fig. 1 institutes
Show, gap measuring device includes light emitters 1 and the light conduit 2 being connected with the light emitters 1, the light conduit
Two speculums 3 are provided with 2, transmission region 4 is provided with the light conduit 2；It is flat that the light emitters 1 launch two
Row light, two parallel rays transmit along the light conduit 2, and formation two is anti-after different speculums 3 reflects respectively
To parallel rays, the two antiparallel light projects through the transmission region 4 respectively.
In the embodiment of the present invention, conduit that above-mentioned light conduit 2 can be made of metal, or can also be nonmetallic system
Into conduit.In order to which some light existing for preventing in environment impact to testing result, light conduit 2 can preferably make
It is made with lighttight material.The shape of light conduit 2 is not construed as limiting, as long as light can be in light conduit 2
Portion is transmitted can.The speculum 3 that the above-mentioned inside of light conduit 2 is set, can be level crossing, or can also be lens
Etc..As long as level crossing has light injection, it is possible to which the light of injection is reflected.For lens, incident ray is full
The certain condition of foot, it is possible to be totally reflected, can also so change the round of light.Above-mentioned two speculum 3 it
Between need some distances that stagger, the light that so one of speculum 3 reflects will not by the interference of another speculum 3,
The light for reflecting two speculums 3 can be good at parallel reversely injection.
In the embodiment of the present invention, above-mentioned transmission region 4 can be the loophole opened on light conduit 2, or can also be
The transparent region set on light conduit 2, light can be propagated by the transparent region.Reference picture 1, in light conduit 2
There are two parallel ray beams, be dotted line and the two-dot chain line on the right on the left side before not reflected.Here light can be laser,
Or can also be some other light etc., this embodiment of the present invention is not construed as limiting.Spacing in figure between two articles can
To be indicated with G1, by simple geometrical relationship it is known that G1=H1+H2+H3=L1+L2-2 × V1-H2, wherein,
L1 is the ranging distance of the light that dotted line represents in figure, and L2 is the ranging distance of the light that two-dot chain line represents in figure, V1 and H2
It is the data that can detect acquisition in advance, can thus calculates the spacing G1 between two articles in figure.In this way,
Both made the results contrast of measurement accurate, also allow for measuring in the space that some are not easy to operation (such as using clearance gauge or
The not easy-operating space such as tape measure measures).As long as there is one end of speculum to be placed in gap measuring device needs to measure
Space in, it is possible to simply enter line space measurement.
Optionally, the speculum 3 is level crossing.
In present embodiment, above-mentioned speculum 3 is level crossing, and two such level crossing can is by setting different angles
Degree forms two antiparallel light after reflecting light.
Optionally, the angle between two parallel rays and each speculum 3 is 45 degree.
In present embodiment, although the angle between two parallel rays and each speculum 3 is 45 degree, two anti-
The setting direction for penetrating mirror 3 may have difference, and two parallel rays can so formed after different speculums 3 reflects respectively
Two antiparallel light, are convenient for the measurement of spacing.
Optionally, the gap measuring device also includes two trays 5, and described two speculums 3 are individually fixed in described
On two trays 5, described two trays 5 are be bonded with the light conduit 2.
In present embodiment, if without above-mentioned two tray 5, speculum 3 can still carry out be bonded with light conduit 2
It is fixed.But so may be because that the position bonding with light conduit 2 of speculum 3 is fewer, so as to cause speculum 3
Fixed effect it is undesirable.So speculum 3 is fixed on tray 5, then tray 5 carried out with light conduit 2 it is be bonded, can be with
Ensure bigger bond area, so as to ensure that the stationarity of speculum 3.So it is not easy because some loosenings produce angle
Change, so as to influence the result of distance measurement.
Optionally, the light emitters 1 include two line sources, and two parallel rays passes through described two line sources
Project.
In present embodiment, each line source can launch a light, so as to form two parallel rays.
Optionally, the light emitters 1 include an area source, and the area source is provided with two light ejection hole, institute
The light for stating area source injection forms two parallel rays by described two light ejection hole.
In present embodiment, two parallel rays are formed plus two light ejection hole by an area source, so passed through
One area source can produces two parallel rays.
Optionally, the transmission region is two loopholes 6, and a light in the two antiparallel light passes through institute
The loophole 6 stated in two loopholes projects, and another light in the two antiparallel light passes through described two
Another loophole 6 in loophole projects.
In present embodiment, due to some distances that can stagger when two speculums 3 are set, so between two loopholes 6
Some distances that stagger are also required to, so just can guarantee that a light in two antiparallel light passes through described two loopholes 6
In a loophole 6 project, another light in the two antiparallel light passes through another in described two loopholes 6
One loophole 6 projects.We can refer to Fig. 2, and Fig. 2 is the position view of two loopholes of the embodiment of the present invention, real
The circle of line is one of loophole 6, and front is looked over as a visible loophole 6.The circle of dotted line is another printing opacity
Hole 6, it is provided in a loophole 6 at the back side, i.e., the loophole 6 that front can't see, and staggers between them
Some distances.
Optionally, the light emitters 1 also include display screen 7, and the display screen 7 is used for the spacing for showing measurement.
In present embodiment, above-mentioned display screen 7 can show the spacing of measurement, and such user's can is read between measurement
Away from.Or display screen can also show certain distance average measured several times of user's selection etc., can also so eliminate one
A little accidental errors.
Optionally, the gap measuring device is additionally provided with switch 8, and the switch 8 is electrically connected with the light emitters 1
Connect.
In present embodiment, above-mentioned switch 8 electrically connects with the light emitters 1, can thus be controlled by switch 8
The measurement of light emitters 1 processed.Such as can be carried out measuring by lower switch 8, such user can be carried out repeatedly measuring, can
To obtain the minimum distance in gap in the data of collection, or meet distance of certain condition etc..
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, belong within the protection of the present invention.
Claims (9)
- A kind of 1. gap measuring device, it is characterised in that the light being connected including light emitters and with the light emitters Conduit, two speculums are provided with the light conduit, transmission region is provided with the light conduit；The light emitters launch two parallel rays, and two parallel rays passes through respectively along the light conduit Two antiparallel light are formed after different speculum reflections, the two antiparallel light is penetrated through the transmission region respectively Go out.
- 2. gap measuring device according to claim 1, it is characterised in that the speculum is level crossing.
- 3. gap measuring device according to claim 2, it is characterised in that two parallel rays and each speculum it Between angle be 45 degree.
- 4. gap measuring device according to claim 3, it is characterised in that the gap measuring device also includes two supports Block, described two speculums are individually fixed on described two trays, described two trays and the light bonding catheter.
- 5. gap measuring device according to any one of claim 1 to 4, it is characterised in that the light emitters bag Two line sources are included, two parallel rays is projected by described two line sources.
- 6. gap measuring device according to any one of claim 1 to 4, it is characterised in that the light emitters bag An area source is included, the area source is provided with two light ejection hole, and the light that the area source projects passes through described two light Line ejection hole forms two parallel rays.
- 7. gap measuring device according to any one of claim 1 to 4, it is characterised in that the transmission region is two Individual loophole, a light in the two antiparallel light are projected by a loophole in described two loopholes, Another light in the two antiparallel light is projected by another loophole in described two loopholes.
- 8. gap measuring device according to any one of claim 1 to 4, it is characterised in that the light emitters are also Including display screen, the display screen is used for the spacing for showing measurement.
- 9. gap measuring device according to any one of claim 1 to 4, it is characterised in that the gap measuring device Switch is additionally provided with, the switch electrically connects with the light emitters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711054305.0A CN107702657B (en) | 2017-10-31 | 2017-10-31 | Spacing measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711054305.0A CN107702657B (en) | 2017-10-31 | 2017-10-31 | Spacing measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107702657A true CN107702657A (en) | 2018-02-16 |
| CN107702657B CN107702657B (en) | 2024-03-22 |
Family
ID=61176499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711054305.0A Active CN107702657B (en) | 2017-10-31 | 2017-10-31 | Spacing measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107702657B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2232410A1 (en) * | 1971-07-07 | 1973-01-18 | Asea Ab | ARRANGEMENT FOR DETERMINING THE DISTANCE BETWEEN TWO MEASURING POINTS |
| JPH0642910A (en) * | 1992-07-27 | 1994-02-18 | Sharp Corp | Optical interference apparatus |
| JPH07120212A (en) * | 1993-10-25 | 1995-05-12 | Toshiba Corp | Position detector |
| JPH07190714A (en) * | 1993-12-24 | 1995-07-28 | Olympus Optical Co Ltd | Interferometer |
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| JP2013174443A (en) * | 2011-12-12 | 2013-09-05 | General Electric Co <Ge> | Distance measurement system and distance measuring method |
| EP2674720A1 (en) * | 2012-06-15 | 2013-12-18 | Dr. Johannes Heidenhain GmbH | Device for interferential distance measurement |
| CN106662652A (en) * | 2013-09-09 | 2017-05-10 | 法雷奥热系统公司 | Automotive vehicle equipment integrating a device for measuring distance of objects |
| CN107102312A (en) * | 2017-06-06 | 2017-08-29 | 四川经曼光电科技有限公司 | Laser scanning measurement instrument |
| CN207407828U (en) * | 2017-10-31 | 2018-05-25 | 北京汽车研究总院有限公司 | A kind of gap measuring device |
-
2017
- 2017-10-31 CN CN201711054305.0A patent/CN107702657B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2232410A1 (en) * | 1971-07-07 | 1973-01-18 | Asea Ab | ARRANGEMENT FOR DETERMINING THE DISTANCE BETWEEN TWO MEASURING POINTS |
| JPH0642910A (en) * | 1992-07-27 | 1994-02-18 | Sharp Corp | Optical interference apparatus |
| JPH07120212A (en) * | 1993-10-25 | 1995-05-12 | Toshiba Corp | Position detector |
| JPH07190714A (en) * | 1993-12-24 | 1995-07-28 | Olympus Optical Co Ltd | Interferometer |
| JPH08327334A (en) * | 1995-06-05 | 1996-12-13 | Toshiba Corp | Gap measuring apparatus |
| JP2002214070A (en) * | 2001-01-15 | 2002-07-31 | Nikon Corp | Instrument and method for eccentricity measurement and projection lens incorporating optical element measured for eccentricity by using them |
| JP2003199894A (en) * | 2002-01-07 | 2003-07-15 | Mamiya Op Co Ltd | Nail interval measuring apparatus for pachinko game machine |
| JP2005043383A (en) * | 2004-11-15 | 2005-02-17 | Matsushita Electric Ind Co Ltd | Distance measuring method and distance sensor |
| WO2006088186A1 (en) * | 2005-02-21 | 2006-08-24 | National University Corporation Nagoya University | Apparatus for measuring space between two objects, method for measuring space between two objects and method for calibrating apparatus for measuring space between two objects |
| WO2010024270A1 (en) * | 2008-08-29 | 2010-03-04 | ソニー株式会社 | Imaging device and image recording and playback system |
| JP2013174443A (en) * | 2011-12-12 | 2013-09-05 | General Electric Co <Ge> | Distance measurement system and distance measuring method |
| EP2674720A1 (en) * | 2012-06-15 | 2013-12-18 | Dr. Johannes Heidenhain GmbH | Device for interferential distance measurement |
| CN106662652A (en) * | 2013-09-09 | 2017-05-10 | 法雷奥热系统公司 | Automotive vehicle equipment integrating a device for measuring distance of objects |
| CN107102312A (en) * | 2017-06-06 | 2017-08-29 | 四川经曼光电科技有限公司 | Laser scanning measurement instrument |
| CN207407828U (en) * | 2017-10-31 | 2018-05-25 | 北京汽车研究总院有限公司 | A kind of gap measuring device |
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| Publication number | Publication date |
|---|---|
| CN107702657B (en) | 2024-03-22 |
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Effective date of registration: 20200420 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Applicant after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Applicant before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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