CN105300313B - Carbon fiber composite material vehicle body component measuring device - Google Patents
Carbon fiber composite material vehicle body component measuring device Download PDFInfo
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- CN105300313B CN105300313B CN201510853877.XA CN201510853877A CN105300313B CN 105300313 B CN105300313 B CN 105300313B CN 201510853877 A CN201510853877 A CN 201510853877A CN 105300313 B CN105300313 B CN 105300313B
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- laser
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- psd sensor
- plane
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- 239000002131 composite material Substances 0.000 title claims abstract description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 title abstract description 4
- 239000004917 carbon fiber Substances 0.000 title abstract description 4
- 238000003491 array Methods 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a carbon fiber composite material vehicle body component measuring device which is composed of a working platform, four groups of same PSD sensor arrays and a laser emission assembly; the photosensitive surfaces of the four groups of same PSD sensor arrays and the upper surface of the working platform form the geometric relationship of four side surfaces and the bottom surface of a cube. The laser emission assembly comprises a substrate, five lasers and three spheres, wherein laser axes emitted by the five lasers are positioned in the same plane, and the plane is parallel to a plane where a triangle formed by connecting the sphere centers of the three spheres is positioned; the four lasers are divided into two groups, laser axes emitted by the two lasers in each group are collinear, and two lines formed by the two groups of lasers are parallel. The measuring device has the advantages of simple structure, low price, low requirement on operators, high measuring precision and capability of completely replacing a three-coordinate measuring machine to measure the carbon fiber composite material vehicle body component.
Description
Technical field
The invention belongs to measurement apparatus technical field, and in particular to a kind of carbon fibre composite bodywork component measurement dress
Put.
Background technology
The lightweight of body of a motor car, it is significant for reducing automobile energy consumption.Especially in new-energy automobile
Pure electric vehicle, in the case where current battery performance can not show a candle to people's will, on the premise of vehicle body security is ensured, reduce vehicle body
Weight, with more realistic meaning.BMW i3 has carried out taking the lead in attempting in this respect.The not modest BMW i3 of appearance, because adopting
With carbon fibre composite vehicle body, conduct oneself with dignity only 1224kg.
BMW i3 carbon fibre composite vehicle body is combined by some Carbon-fiber Reinforced Plastics Components, produces one
Carbon fibre composite vehicle body, first have to produce some Carbon-fiber Reinforced Plastics Components, then again by all carbon fiber composites
Material Component composition forms.And in production process, it is necessary to Carbon-fiber Reinforced Plastics Component appearance and size and carbon fibre composite
Vehicle body monnolithic case size measures.
Conventional three coordinate measuring machine, advanced technology, powerful, measurement accuracy is high, extensively should in scientific research, production
With, disclosure satisfy that many product design sizes measurement accuracy requirement.But there is also technical sophistication, expensive, design system
Make the problems such as difficulty is big, high to operator's requirement, measurement efficiency is relatively low.
The content of the invention
It is an object of the invention to solve the above problems, there is provided a kind of carbon fiber composite simple in construction, cheap
Expect bodywork component measurement apparatus.
Realizing the technical scheme of above-mentioned purpose of the present invention is：A kind of carbon fibre composite bodywork component measurement apparatus, it
It is to be made up of a workbench, four groups of identical PSD sensor arrays and Laser emission component；Every group of PSD sensor array
Row by several photosurfaces be generally aligned in the same plane in PSD sensor groups into.
The position relationship of four groups of identical PSD sensor arrays and the workbench meets following condition：It is described
Four groups of identical PSD sensor arrays are arranged on the workbench upper surface, and four groups of identicals PSD sensor arrays
The photosurface of row forms four sides of a cube and the geometrical relationship of bottom surface with the workbench upper surface.
The Laser emission component includes a substrate, four lasers for being fixedly mounted on surface, is fixedly mounted
Three legs below substrate and the spheroid for being arranged on each feet bottom.
The position relationship of four lasers meets following condition：The equal direction of the direction of the launch of four lasers
PSD sensor arrays；In the laser axis of four lasers transmitting is generally aligned in the same plane, and the plane is parallel to described three
Plane where the triangle that the centre of sphere line of individual spheroid is formed；Four lasers are divided into two in two groups, every group and swashed
The laser axis collinear of light device transmitting, the two lines that two groups of lasers are formed are parallel.
The Laser emission component also includes the 5th laser for being fixedly mounted on surface；5th laser
The position relationship of device meets following condition：The laser axis of the 5th laser transmitting is located at the transmitting of aforementioned four laser
The two lines formed where laser axis in plane and perpendicular to two groups of lasers；The direction of the launch of 5th laser
The two lines formed towards PSD sensor arrays and not towards two groups of lasers.
The good effect that the present invention has：The measurement apparatus of the present invention is simple in construction, cheap, and operator is required not
Height, and very high measurement accuracy can be reached, it is fully able to substitute three coordinate measuring machine to carbon fibre composite vehicle body structure
The measurement of part.
Brief description of the drawings
Fig. 1 is the structural representation of the measurement apparatus of the present invention.
Fig. 2 is Fig. 1 top view.
Embodiment
（Embodiment 1）
See Fig. 1 and Fig. 2, the carbon fibre composite bodywork component measurement apparatus of the present embodiment is by a workbench 1, four
Group identical PSD sensor arrays 2 and Laser emission component are formed.
Every group of PSD sensor array 2 is by several（The present embodiment is 400,20 × 20 arrays）Photosurface is positioned at same
PSD sensors 21 in one plane form.
Four groups of identical PSD sensor arrays 2 are arranged on the upper surface of workbench 1, and four groups of identical PSD sensors
The photosurface of array 2 forms four sides of a cube and the geometrical relationship of bottom surface with the upper surface of workbench 1（Before in Fig. 1
Two groups of PSD sensor arrays 2 omit afterwards）.It is possible thereby to determine all PSD sensors on four groups of identical PSD sensor arrays 2
21 relative position relation, is designated as M.
Laser emission component includes a substrate 3, is fixedly mounted on five lasers of the top of substrate 3（41、42、43、
44、45）, three legs 5 for being fixedly mounted on the lower section of substrate 3 and the spheroid 6 for being arranged on each bottom of leg 5.
Five lasers（41、42、43、44、45）The direction of the launch towards PSD sensor arrays 2.
Five lasers（41、42、43、44、45）In the laser axis of transmitting is generally aligned in the same plane, and the plane parallel to
Plane where the triangle that the centre of sphere line of three spheroids 6 is formed.
Wherein, the laser axis collinear that laser 41 and laser 44 are launched（A lines are designated as below）, laser 42 and laser
The laser axis collinear that device 43 is launched（B lines are designated as below）, A lines are parallel with B lines.
The laser axis of 5th laser 45 transmitting is perpendicular to A lines and B lines；The direction of the launch of 5th laser 45 not towards
A lines and B lines.
It is possible thereby to determine five lasers（41、42、43、44、45）Between the laser axis of transmitting and three spheroids 6
Relative position relation, it is designated as N1.
Carbon fibre composite bodywork component is surveyed using above-mentioned carbon fibre composite bodywork component measurement apparatus
The method of amount specifically includes following steps：
1. carbon fibre composite bodywork component 7 is placed on workbench 1, and it is located at four groups of identical PSD sensors
In array 2, by three spheroids 6 of Laser emission component in a certain position（It is designated as at A）With carbon fibre composite bodywork component 7
Surface realize three point contact.
2. first laser 41 is opened（Remaining four laser is closed）, the laser for making to send sensed by PSD
Some PSD sensor 21 in device array 2 senses, and measures the laser induced point（It is designated as Z1）The position in the PSD sensors 21,
M41 is designated as, is the locus that can obtain Z1 by M41 and above-mentioned M, is designated as M11.
Laser 41 is closed, and laser 42 is opened, and repeats said process, obtains the laser of the transmitting of laser 42 at some
The locus M12 of laser induced point Z2 on PSD sensors 21.
Laser 42 is closed, and laser 43 is opened, and repeats said process, obtains the laser of the transmitting of laser 43 at some
The locus M13 of laser induced point Z3 on PSD sensors 21.
Laser 43 is closed, and laser 44 is opened, and repeats said process, obtains the laser of the transmitting of laser 44 at some
The locus M14 of laser induced point Z4 on PSD sensors 21.
Laser 44 is closed, and laser 45 is opened, and repeats said process, obtains the laser of the transmitting of laser 45 at some
The locus M15 of laser induced point Z5 on PSD sensors 21.
Five lasers can obtain by M11~M15（41、42、43、44、45）The locus of the laser axis of transmitting
M1, in conjunction with above-mentioned N1, you can obtain the locus X1 of three bulbs 6 at A.
3. by three spheroids 6 of Laser emission component in another location（It is designated as at B）With carbon fibre composite vehicle body structure
Realize three point contact in the surface of part 7；Repeat step 2., so as to calculate the locus X2 of three bulbs 6 at B.
4. repeat step 3., obtain some three bulbs 6 in place locus X3, X4 ..., Xn.
By X1, X2 ..., Xn be that can obtain the appearance and size data of carbon fibre composite bodywork component 7.
Above-mentioned measuring method is actual to be equal to a three coordinate measuring machine using bulb gauge head to carbon fibre composite
The surface of bodywork component 7 measures, and calculates several bulb gauge heads with the plane tangent of carbon fibre composite bodywork component 7
Sphere centre coordinate, so as to obtain the appearance and size data of carbon fibre composite bodywork component 7.
Claims (1)
- A kind of 1. carbon fibre composite bodywork component measurement apparatus, it is characterised in that：By a workbench（1）, four groups of phases Same PSD sensor arrays（2）And Laser emission component is formed；Every group of PSD sensor array（2）Interior PSD sensors are generally aligned in the same plane by several photosurfaces（21）Composition；Four groups of identicals PSD sensor arrays（2）With the workbench（1）Position relationship meet following condition：Institute State four groups of identical PSD sensor arrays（2）It is arranged on the workbench（1）Upper surface, and four groups of identical PSD Sensor array（2）Photosurface and the workbench（1）Upper surface form a cube four sides and bottom surface it is several What relation；The Laser emission component includes a substrate（3）, be fixedly mounted on substrate（3）Four lasers of top（41、42、 43、44）, be fixedly mounted on substrate（3）Three legs of lower section（5）And it is arranged on each leg（5）The spheroid of bottom（6）；Four lasers（41、42、43、44）Position relationship meet following condition：Four lasers（41、42、 43、44）The direction of the launch towards PSD sensor arrays（2）；Four lasers（41、42、43、44）The laser of transmitting In axis is generally aligned in the same plane, and the plane is parallel to three spheroids（6）Centre of sphere line formed triangle where Plane；Four lasers（41、42、43、44）The laser axis for being divided into the transmitting of two lasers in two groups, every group is total to Line, the two lines that two groups of lasers are formed are parallel；The Laser emission component is also fixedly mounted on substrate including one（3）5th laser of top（45）；Described 5th Laser（45）Position relationship meet following condition：5th laser（45）The laser axis of transmitting is located at aforementioned four Laser（41、42、43、44）Two formed where the laser axis of transmitting in plane and perpendicular to two groups of lasers Line；5th laser（45）The direction of the launch towards PSD sensor arrays（2）And formed not towards two groups of lasers Two lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853877.XA CN105300313B (en) | 2015-11-30 | 2015-11-30 | Carbon fiber composite material vehicle body component measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853877.XA CN105300313B (en) | 2015-11-30 | 2015-11-30 | Carbon fiber composite material vehicle body component measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105300313A CN105300313A (en) | 2016-02-03 |
| CN105300313B true CN105300313B (en) | 2017-12-19 |
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| CN201510853877.XA Active CN105300313B (en) | 2015-11-30 | 2015-11-30 | Carbon fiber composite material vehicle body component measuring device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645042A (en) * | 2005-01-12 | 2005-07-27 | 天津大学 | Laser three-dimensional color scanning digital method and digital equipment |
| CN1931110A (en) * | 2005-08-24 | 2007-03-21 | 德固萨有限责任公司 | Method of determining the shape of a dental technology object and apparatus for per-forming the method |
| CN201622065U (en) * | 2009-12-09 | 2010-11-03 | 麻伟明 | Automatic dynamic overall dimension measuring device for vehicles |
| CN201909614U (en) * | 2010-12-28 | 2011-07-27 | 苏州弗士达科学仪器有限公司 | Rotating platform structure for automatic optical measuring instruments |
| CN104848785A (en) * | 2014-09-05 | 2015-08-19 | 北汽福田汽车股份有限公司 | Whole-automobile parameter test system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008045307A1 (en) * | 2008-09-02 | 2010-03-04 | Dürr Assembly Products GmbH | Device and method for determining and adjusting the chassis geometry of a vehicle |
-
2015
- 2015-11-30 CN CN201510853877.XA patent/CN105300313B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645042A (en) * | 2005-01-12 | 2005-07-27 | 天津大学 | Laser three-dimensional color scanning digital method and digital equipment |
| CN1931110A (en) * | 2005-08-24 | 2007-03-21 | 德固萨有限责任公司 | Method of determining the shape of a dental technology object and apparatus for per-forming the method |
| CN201622065U (en) * | 2009-12-09 | 2010-11-03 | 麻伟明 | Automatic dynamic overall dimension measuring device for vehicles |
| CN201909614U (en) * | 2010-12-28 | 2011-07-27 | 苏州弗士达科学仪器有限公司 | Rotating platform structure for automatic optical measuring instruments |
| CN104848785A (en) * | 2014-09-05 | 2015-08-19 | 北汽福田汽车股份有限公司 | Whole-automobile parameter test system |
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| Publication number | Publication date |
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| CN105300313A (en) | 2016-02-03 |
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