CN110243418A - A kind of environment measuring device - Google Patents
A kind of environment measuring device Download PDFInfo
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- CN110243418A CN110243418A CN201910715620.6A CN201910715620A CN110243418A CN 110243418 A CN110243418 A CN 110243418A CN 201910715620 A CN201910715620 A CN 201910715620A CN 110243418 A CN110243418 A CN 110243418A
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- 239000000428 dust Substances 0.000 claims abstract description 77
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention proposes a kind of environment measuring devices, comprising: test platform is provided at least one camera assembly on test platform；Fugitive dust test suite, is set on test platform；And/or wind direction and wind velocity test suite, it is set on fugitive dust test suite or test platform；Wherein, camera assembly is used to acquire the test video of fugitive dust test suite and/or wind direction and wind velocity test suite.Environment measuring device provided by the invention, a variety of tests can disposably be completed, wind direction, wind speed and the fugitive dust test of automation can be realized without human intervention, it uses manpower and material resources sparingly, testing efficiency increases significantly relative to conventional approach, and manual testing's error is avoided, the maximum region of wind speed, wind direction and fugitive dust is accurately positioned, provides reliable data to automotive performance improvement to be subsequent.
Description
Technical field
The present invention relates to intelligent testing technology fields, in particular to a kind of environment measuring device.
Background technique
Automobile accounts for very big specific gravity, especially heavy type commercial automobile in modern logistics transport.Due to the vehicle behavior ring
Border is severe, and engine works long hours, and calorific value is big, and the revolving speed of radiator fan is caused sharply to increase, so as to cause serious vehicle
Bottom fugitive dust, and vehicle bottom fugitive dust will lead to engine and vehicle body pollution, initiation heat dissipation is bad after engine is covered by dust, needs to add
The revolving speed of fast radiator fan, revolving speed is excessively high and dust can be accelerated to raise, vicious circle, and dust and water mist when Irish bridge
Mixing leads to blockage of condenser, reduces a series of serious problems such as engine efficiency.Root is found in face of above-mentioned cyclicity problem
This cause is the main points solved the problems, such as, therefore how to realize effective survey of automobile bottom and vehicle bottom elongated area air draught
Examination, to the thermal diffusivity of control automobile, the efficiency etc. of vehicle body pollution, engine has great importance.
In the related technology, the test mainly by the way of artificial is tested for the wind direction of automobile bottom, wind speed and fugitive dust
It generally requires three to four people to cooperate, consumes a large amount of manpower and material resources, and wind direction, wind speed cannot be positioned well and raised
The position of dirt；For example, the test of the wind direction at orthodox car vehicle bottom, finds wind direction by the hand-held rod with plastic paper piece repeatedly
Maximum region, wind direction location efficiency is lower, and measuring accuracy is low；The test of wind speed is carried out using hand-held wind speed tester, and
Hand-held wind speed tester needs two people's mutual cooperation operations, and can only measure horizontal wind speed, and the resultant error of test is larger；
The test of fugitive dust mainly drives lime using the air-flow that automobile generates, but is not easy since actual ground roughness is excessive by lime
Spreading is uniform, needs short distance video detection, the people of recorded video for determining that fugitive dust location error is larger, and when fugitive dust test
The lime to disperse is easily sucked, there are security risks.Therefore, the test method of the wind direction of automobile bottom, wind speed and fugitive dust is carried out
It improves and the accuracy of optimal inspection is imperative.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, one aspect of the present invention is, a kind of environment measuring device is proposed.
In view of this, according to an aspect of the invention, there is provided a kind of environment measuring device, comprising: test platform is surveyed
At least one camera assembly is provided on examination platform；Fugitive dust test suite, is set on test platform；And/or wind direction and wind velocity is surveyed
Component is tried, is set on fugitive dust test suite or test platform；Wherein, camera assembly for acquire fugitive dust test suite and/or
The test video of wind direction and wind velocity test suite.
Environment measuring device provided by the invention can disposably complete a variety of tests, can be realized without human intervention
Wind direction, wind speed and the fugitive dust test of automation, use manpower and material resources sparingly, and testing efficiency increases significantly relative to conventional approach,
And can be avoided manual testing's error, the maximum region of wind speed, wind direction and fugitive dust is accurately positioned, automotive performance is changed to be subsequent
Into the reliable data of offer；Further, at least one camera assembly is provided on test platform, camera assembly can be closely
Collecting test video, and video is sent to the user terminal, in order to which user monitors the test feelings of wind direction, wind speed and fugitive dust in real time
Condition, while avoiding the harm of artificial recorded video.
Specifically, test platform can only install fugitive dust test suite or wind direction and wind velocity test suite, can also be by two kinds
Test suite is combined, and is suitble to a variety of test scenes, and when being combined test using two kinds of test suites, wind direction and wind velocity is surveyed
Examination component and fugitive dust test suite can be set on test platform simultaneously, wind direction and wind velocity test suite can also be superimposed upon and be raised
On dirt test suite, to reduce device occupied space；In order to keep the video of acquisition more comprehensive, at least four camera assemblies are set
It is placed in the quadrangle of test platform, promotes monitoring range, is conducive to user and whole control is carried out to test case.
In addition, the environment measuring device in the above-mentioned technical proposal provided according to the present invention, can also have following additional
Technical characteristic:
In the above-mentioned technical solutions, it is preferable that fugitive dust test suite includes: test board, is connect with test platform, test board
On be provided with multiple concave surfaces, the edge of test board is bulge-structure；Fugitive dust test probe, is set on test board, for detecting
Fugitive dust concentration.
In the technical scheme, fugitive dust test suite includes test board and fugitive dust test probe, for positioning fugitive dust position
With detection fugitive dust concentration, wherein be provided with multiple concave surfaces on test board, multiple concave surfaces can use queue-type, staggered form, diffusion
The distribution of the arrangement modes such as formula, can not only simulate rough road conditions, storage lime be also helped, so as to avoid practically
The homogeneity question of face spreading lime effectively reduces fugitive dust position error, and the edge of test board is bulge-structure, Neng Goufang
Only lime falls ground, convenient for lime recycle, can save test resource and.
In any of the above-described technical solution, it is preferable that concave surface comprises at least one of the following: circular arc, elliptic arc, parabola
Arc；Convex surface between two adjacent concave surfaces comprises at least one of the following: circular arc, elliptic arc, parabolic arc.
In the technical scheme, the concave and convex surface of test board is arc, forms peak structure, makes test plate surface more
Add round and smooth, lime is easy to raise, and promotes fugitive dust effect, and then improve the positional accuracy of fugitive dust position.
Specifically, if concave and convex surface include elliptic arc or parabolic arc, the depth L1 of concave surface trough and two it is adjacent
The spacing L2 of concave surface trough is as follows:
Elliptic equation is
Parabolic equation is
Wherein, x, y are respectively coordinate horizontally and vertically, and a, b are respectively that elliptical major semiaxis, semi-minor axis are long, and p is focus
To the distance of directrix.
In any of the above-described technical solution, it is preferable that wind direction and wind velocity test suite includes: fixed plate, is connected with test platform
It connects；Wind component is surveyed, is set in fixed plate, multiple survey wind components are uniformly distributed in fixed plate.
In the technical scheme, wind direction and wind velocity test suite includes fixed plate and multiple survey wind components, multiple survey wind components
It can be uniformly distributed using arrangement modes such as queue-type, staggered form, diffusion types, multi-group data can be detected simultaneously, it is accurate to find
Wind direction maximum region solves the problems, such as wind direction location difficulty, to realize the wind direction of automation, wind speed test, saves manpower object
Power effectively improves testing efficiency, provides reliable data to automotive performance improvement to be subsequent.
Specifically, it is detected according to the mode of wind direction and wind velocity test suite and fugitive dust test suite stack combinations, then
Using the test board of fugitive dust test suite as the bottom plate of wind direction and wind velocity test suite.
In any of the above-described technical solution, it is preferable that surveying wind component includes: wind direction component, for testing wind direction；Wind speed passes
Sensor is set on wind direction component, for measuring wind speed；Wind-guiding upright bar, connect with fixed plate, and wind-guiding upright bar is scalable knot
Structure；One end of rotary components, rotary components is connect by elastomeric element with wind-guiding upright bar, and the other end is connect with wind direction component, is used
In the direction for adjusting wind direction component.
In the technical scheme, it is provided with air velocity transducer on wind direction component, wind direction test and wind speed test is combined, nothing
Need more people's compounding practices that test can be completed, and wind direction component is connected with rotary components, rotary components can circumferentially rotate,
To make wind direction component be rotated according to 360 ° of practical wind direction, the wind come is blown in whichever direction can be caught by wind direction component
Catch, wind direction is quick on the draw, when wind direction component is gone to it is consistent with wind direction when, wind direction component is static, to position wind direction maximum region,
In addition, elastomeric element is set between rotary components and wind-guiding upright bar, and when wind direction tilting relative to horizontal direction, elastomeric element
Bending, wind direction component inclination, is consistent wind direction component with practical wind direction to the full extent, increases the freedom for surveying wind component
Degree is achieved in hemisphere face wind direction and wind speed test, expands wind direction test scope, and in order to adapt to different test conditions,
Retractable structure is set by wind-guiding upright bar.
In any of the above-described technical solution, it is preferable that wind direction component includes: air supplying ring, is connect with rotary components, and wind speed passes
Sensor is set on air supplying ring；Wind sleeve is connect with air supplying ring, for testing wind direction；Pressure rings are connect with wind sleeve, are located at
The opposite side of air supplying ring.
In the technical scheme, wind direction is detected by wind sleeve, realizes visualization wind direction test, wind is supported by air supplying ring
It to the air inlet of bag, tighten air inlet will not, it is easier to enter the wind, and pressure is set at the tail portion of wind sleeve (air outlet)
Ring, on the one hand, the air outlet that can support wind sleeve, outlet air caused by avoiding air outlet from shrinking are obstructed problem, on the other hand, energy
Enough apply gravity for wind sleeve tail portion, in the case where calm, wind sleeve keeps the state naturally drooped.
In any of the above-described technical solution, it is preferable that from air supplying ring to pressure rings direction, the cross-sectional area of wind sleeve by
It is decrescence small；Wind sleeve sack is provided with magic tape, and wind sleeve is connected on air supplying ring by magic tape；Rotary components include bearing
With the axle sleeve for being set to bearing periphery, bearing and axle sleeve are relatively rotated, and bearing is connect with elastomeric element, and axle sleeve and air supplying ring connect
It connects；Elastomeric element is spring.
In the technical scheme, the cross-sectional area of wind sleeve is gradually reduced from air supplying ring to pressure rings direction, i.e. taper
Wind sleeve can shrink air-flow, flow out wind quickly from air outlet, and wind sleeve sack is arranged
There is magic tape, convenient for wind sleeve can be connected on air supplying ring, simplifies wind sleeve replacement process, be convenient for repairing, wherein wind
Can rationally it be arranged according to testing requirement to bag length, wind sleeve uses the plastics of lightweight, even if wind-force is smaller, wind sleeve can also float
It rises.In addition, rotary components include bearing and the axle sleeve for being set to bearing periphery, bearing and axle sleeve are relatively rotated, bearing and elasticity
Component connection, axle sleeve are connect with air supplying ring, are cooperated wind sleeve rotation by bearing and axle sleeve, are increased wind direction test scope, wherein
Elastomeric element is spring, naturally it is also possible to make flexible material.
In any of the above-described technical solution, it is preferable that test platform includes: bottom plate, and bottom plate two sides are relatively set with column,
For installing fugitive dust test suite and/or wind direction and wind velocity test suite；Platform lever is set to bottom plate top by column；Foot
Wheel assembly is set to bottom plate lower part；Wherein, column is retractable structure.
In the technical scheme, bottom plate is for fixing fugitive dust test suite and/or wind direction and wind velocity test suite, bottom plate top
By telescopic column connecting platform pull rod, lower part is provided with castor assembly, allows users to draw entire test platform, and
Upright bar can be laid flat when test to reduce the interference to test, it, also can be in unified test condition even if facing the vehicle of different height
Lower test is conducive to the comparison for carrying out different automobile types.
In any of the above-described technical solution, it is preferable that castor assembly includes: hinge, is connect by fixing groove with bottom plate, is used
In lifting test platform；Wheel, wheel are provided with wheel hole and axletree, and wheel is connect by axletree with hinge；Elevating lever,
It is connect with hinge, is used for set-back hinge；One end of U-shaped bar, U-shaped bar is connect with elevating lever, for adjusting elevating lever, the other end with
Wheel hole is cooperatively connected, and is used for brake wheel.
In the technical scheme, elastic by U-shaped bar adjusting elevating lever, to control hinge contraction, utilize scissors hinge
Mobile liftable castor assembly is cooperatively formed with wheel, meets the height of different vehicle bodies, range is according to the length of hinge
Depending on, different test requests is adapted to, in addition, U-shaped bar can also cooperate brake wheel with the wheel hole of wheel.
Specifically, elevating lever uses trapezoidal thread structure, increases power transmission efficiency and self-locking, and wheel outer ring is glue prepared material,
Vibration can be reduced, friction is increased.
In any of the above-described technical solution, it is preferable that camera assembly includes: support rod, is connect with test platform, support rod
For retractable structure；Mounting blocks can be slided or are rotatably arranged on support rod；Camera is set on mounting blocks, is used for
Collecting test video；Fastening assembly is connected with the mounting block, and fastening assembly is for being fixedly mounted block；Light source is set to mounting blocks
On, and be arranged close to camera.
In the technical scheme, camera is fixed on mounting blocks, and mounting blocks can be slided or be turned on support rod
Dynamic adjustment, fastening assembly fix the mounting blocks adjusted, and to adapt to different testing requirements, camera can be acquired closely
Test video, and video is sent to the user terminal, so that user monitors the test case of wind direction, wind speed and fugitive dust in real time, together
When avoid the harm of artificial recorded video.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows environment measuring device structural schematic diagram provided by one embodiment of the present invention；
Fig. 2 shows the environment measuring device structural schematic diagrams that another embodiment of the present invention provides；
Fig. 3 shows fugitive dust test suite structural schematic diagram provided by one embodiment of the present invention；
Fig. 4 shows the enlarged structure schematic diagram in the area B in embodiment illustrated in fig. 3；
Fig. 5 shows the sectional view in the area the B direction A-A in embodiment illustrated in fig. 4；
Fig. 6 shows wind direction and wind velocity test suite structural schematic diagram provided by one embodiment of the present invention；
Fig. 7 shows survey wind component structure diagram provided by one embodiment of the present invention；
Fig. 8 shows castor assembly main view provided by one embodiment of the present invention；
Fig. 9 shows castor assembly right view provided by one embodiment of the present invention；
Figure 10 shows camera assembly structural schematic diagram provided by one embodiment of the present invention；
Figure 11 shows survey wind components distribution schematic diagram provided by one embodiment of the present invention.
Wherein, corresponding relationship of the Fig. 1 into Figure 10 between appended drawing reference and component names are as follows:
1 environment measuring device, 10 test platforms, 12 bottom plates, 14 platform levers, 16 castor assemblies, 161 hinges, 162 vehicles
Wheel, 163 wheel holes, 164 axletrees, 165 elevating levers, 166U type bar, 167 fixing grooves, 20 fugitive dust test suites, 22 test boards,
30 wind direction and wind velocity test suites, 32 fixed plates, 34 survey wind component, 341 air supplying rings, 342 wind sleeves, 343 pressure rings, 344 wind speed
Sensor, 345 wind-guiding upright bars, 346 rotary components, 347 elastomeric elements, 40 camera assemblies, 42 support rods, 44 mounting blocks, 46 take the photograph
As head, 48 fastening assemblies.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, implementation of the invention
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
The embodiment of one aspect of the invention proposes a kind of environment measuring device 1, as depicted in figs. 1 and 2, the device packet
Include: test platform 10 is provided at least one camera assembly 40 on test platform 10；Fugitive dust test suite 20 is set to test
On platform 10；And/or wind direction and wind velocity test suite 30, it is set on fugitive dust test suite 20 or test platform 10；Wherein, it images
Component 40 is used to acquire the test video of fugitive dust test suite 20 and/or wind direction and wind velocity test suite 30.
Environment measuring device 1 provided in this embodiment can disposably complete a variety of tests, can be real without human intervention
Wind direction, wind speed and the fugitive dust test now automated, uses manpower and material resources sparingly, testing efficiency has relative to conventional approach significantly to be mentioned
Height, and can be avoided manual testing's error, the maximum region of wind speed, wind direction and fugitive dust is accurately positioned, is subsequent to automobile
It can improve and reliable data are provided；Further, at least one camera assembly 40, camera assembly 40 are provided on test platform 10
Can short distance collecting test video, and video is sent to the user terminal, in order to which user monitors wind direction, wind speed in real time and raises
The test case of dirt, while avoiding the harm of artificial recorded video.
In specific embodiment, test platform 10 can only install fugitive dust test suite 20 or wind direction and wind velocity test suite 30,
Two kinds of test suites can also be combined, be suitble to a variety of test scenes, be combined test using two kinds of test suites
When, wind direction and wind velocity test suite 30 and fugitive dust test suite 20 can be set to simultaneously on test platform 10, can also be by wind direction
Wind speed test suite 30 is superimposed upon on fugitive dust test suite 20, to reduce device occupied space；In order to make the video of acquisition more
Comprehensively, at least four camera assemblies 40 are set to the quadrangle of test platform 10, monitoring range is promoted, is conducive to user to test
Situation carries out whole control.
In one embodiment of the invention, it is preferable that as shown in Figure 3 and Figure 4, fugitive dust test suite 20 includes: test
Plate 22 is connect with test platform 10, and multiple concave surfaces are provided on test board 22, and the edge of test board 22 is bulge-structure；Fugitive dust
Test probe (not shown), is set on test board 22, for detecting fugitive dust concentration.
In this embodiment, fugitive dust test suite 20 includes test board 22 and fugitive dust test probe, for positioning fugitive dust position
Set and detect fugitive dust concentration, wherein be provided with multiple concave surfaces on test board 22, multiple concave surfaces can using queue-type, staggered form,
The distribution of the arrangement modes such as diffusion type, can not only simulate rough road conditions, storage lime be also helped, so as to avoid reality
The homogeneity question of border ground spreading lime effectively reduces fugitive dust position error, and the edge of test board 22 is bulge-structure,
Can prevent lime from falling ground, convenient for lime recycle, can save test resource and.
In one embodiment of the invention, it is preferable that concave surface comprises at least one of the following: circular arc, elliptic arc, parabola
Arc；Convex surface between two adjacent concave surfaces comprises at least one of the following: circular arc, elliptic arc, parabolic arc.
In this embodiment, the concave and convex surface of test board 22 is arc, forms peak structure, makes 22 surface of test board
Rounder and more smooth, lime is easy to raise, and promotes fugitive dust effect, and then improve the positional accuracy of fugitive dust position.
In specific embodiment, as shown in figure 5, if concave and convex surface includes elliptic arc or parabolic arc, concave surface trough
The spacing L2 of depth L1 and two adjacent concave surface troughs is as follows:
Elliptic equation is
Parabolic equation is
Wherein, x, y are respectively coordinate horizontally and vertically, and a, b are respectively that elliptical major semiaxis, semi-minor axis are long, and p is focus
To the distance of directrix.
In one embodiment of the invention, it is preferable that as shown in fig. 6, wind direction and wind velocity test suite 30 includes: fixed plate
32, it is connect with test platform 10；Wind component 34 is surveyed, is set in fixed plate 32, multiple survey wind components 34 are equal in fixed plate 32
Even distribution.
In this embodiment, wind direction and wind velocity test suite 30 includes fixed plate 32 and multiple survey wind components 34, such as Figure 11 institute
Show, multiple survey wind components 34 can be uniformly distributed using arrangement modes such as queue-type, staggered form, diffusion types, can be detected simultaneously
Multi-group data, it is accurate to find wind direction maximum region, wind direction location difficulty is solved the problems, such as, to realize the wind direction of automation, wind
Speed test, uses manpower and material resources sparingly, effectively improves testing efficiency, provides reliable data to automotive performance improvement to be subsequent.
In specific embodiment, according to 20 stack combinations of wind direction and wind velocity test suite 30 and fugitive dust test suite mode into
Row detects, then the bottom plate 12 by the test board 22 of fugitive dust test suite 20 as wind direction and wind velocity test suite 30.
In one embodiment of the invention, it is preferable that as shown in fig. 7, surveying wind component 34 includes: wind direction component, be used for
Test wind direction；Air velocity transducer 344 is set on wind direction component, for measuring wind speed；Wind-guiding upright bar 345 connects with fixed plate 32
It connects, wind-guiding upright bar 345 is retractable structure；One end of rotary components 346, rotary components 346 passes through elastomeric element 347 and wind-guiding
Upright bar 345 connects, and the other end is connect with wind direction component, for adjusting the direction of wind direction component.
In this embodiment, it is provided with air velocity transducer 344 on wind direction component, wind direction test and wind speed test is combined,
Test can be completed without more people's compounding practices, and wind direction component is connected with rotary components 346, rotary components 346 can
It circumferentially rotates, so that wind direction component be made to be rotated according to 360 ° of practical wind direction, the wind come is blown in whichever direction can be by wind
Captured to component, wind direction is quick on the draw, when wind direction component is gone to it is consistent with wind direction when, wind direction component is static, to position wind direction
Maximum region, in addition, elastomeric element 347 is arranged between rotary components 346 and wind-guiding upright bar 345, when wind direction is relative to level side
When to tilting, elastomeric element 347 is bent, and the inclination of wind direction component makes wind direction component keep one with practical wind direction to the full extent
It causes, increases the freedom degree for surveying wind component 34, be achieved in hemisphere face wind direction and wind speed test, expand wind direction test scope, and
And in order to adapt to different test conditions, retractable structure is set by wind-guiding upright bar 345.
In one embodiment of the invention, it is preferable that preferably, as shown in fig. 7, wind direction component includes: air supplying ring
341, it is connect with rotary components 346, air velocity transducer 344 is set on air supplying ring 341；Wind sleeve 342 connects with air supplying ring 341
It connects, for testing wind direction；Pressure rings 343 are connect with wind sleeve 342, positioned at the opposite side of air supplying ring 341.
In this embodiment, wind direction is detected by wind sleeve 342, realizes visualization wind direction test, passes through air supplying ring 341
The air inlet for supportting wind sleeve 342, tighten air inlet will not, it is easier to enter the wind, and at the tail portion of wind sleeve 342 (air outlet)
Pressure rings 343 are set, on the one hand, the air outlet that can support wind sleeve 342, outlet air caused by avoiding air outlet from shrinking, which is obstructed, asks
On the other hand topic can apply gravity for 342 tail portion of wind sleeve, in the case where calm, the holding of wind sleeve 342 is naturally drooped
State.
In one embodiment of the invention, it is preferable that from air supplying ring 341 to 343 direction of pressure rings, wind sleeve 342
Cross-sectional area is gradually reduced；342 sack of wind sleeve is provided with magic tape (not shown), and wind sleeve 342 passes through magic tape
It is connected on air supplying ring 341；Rotary components 346 include bearing and the axle sleeve for being set to bearing periphery, and bearing is opposite with axle sleeve to be turned
Dynamic, bearing is connect with elastomeric element 347, and axle sleeve is connect with air supplying ring 341；Elastomeric element 347 is spring.
In this embodiment, the cross-sectional area of wind sleeve 342 is gradually reduced from air supplying ring 341 to 343 direction of pressure rings,
That is taper wind sleeve 342 can shrink air-flow, flow out wind quickly from air outlet, and wind direction
342 sacks of bag are provided with magic tape, convenient for wind sleeve 342 can be connected on air supplying ring 341, simplify wind sleeve 342 and replace
Journey is convenient for repairing, wherein 342 length of wind sleeve can be rationally arranged according to testing requirement, and wind sleeve 342 is using lightweight
Plastics, such as polypropylene, even if wind-force is smaller, wind sleeve 342 can also be hiked up.In addition, rotary components 346 include bearing and setting
Axle sleeve in bearing periphery, bearing and axle sleeve relatively rotate, and bearing is connect with elastomeric element 347, and axle sleeve and air supplying ring 341 connect
It connecing, cooperates wind sleeve 342 to rotate by bearing and axle sleeve, increase wind direction test scope, wherein elastomeric element 347 is spring, when
Flexible material, such as rubber can also so be made.
In one embodiment of the invention, it is preferable that as depicted in figs. 1 and 2, test platform 10 includes: bottom plate 12, bottom
12 two sides of plate are relatively set with column, for installing fugitive dust test suite 20 and/or wind direction and wind velocity test suite 30；Platform lever
14,12 top of bottom plate is set to by column；Castor assembly 16 is set to 12 lower part of bottom plate；Wherein, column is scalable knot
Structure.
In this embodiment, bottom plate 12 is for fixing fugitive dust test suite 20 and/or wind direction and wind velocity test suite 30, specifically
Ground is fixed by bolt, and by telescopic column connecting platform pull rod 14, lower part is provided with casters group on bottom plate 12 top
Part 16 allows users to draw entire test platform 10, and can lay flat upright bar to reduce the interference to test, even if face when test
To the vehicle of different height, it can also be tested under unified test condition, be conducive to the comparison for carrying out different automobile types.
In one embodiment of the invention, it is preferable that as shown in Figure 8 and Figure 9, castor assembly 16 includes: hinge 161,
It is connect by fixing groove 167 with bottom plate 12, for going up and down test platform 10；Wheel 162, wheel 162 are provided with 163 He of wheel hole
Axletree 164, wheel 162 are connect by axletree 164 with hinge 161；Elevating lever 165 is connect, for shrinking with hinge 161
Hinge 161；One end of U-shaped bar 166, U-shaped bar 166 is connect with elevating lever 165, for adjusting elevating lever 165, the other end and wheel
Hole 163 is cooperatively connected, and is used for brake wheel 162.
In this embodiment, to adjust elevating lever 165 by U-shaped bar 166 elastic, so that the contraction of hinge 161 is controlled, using cutting
Formula hinge 161 and wheel 162 cooperatively form mobile liftable castor assembly 16, meet the height of different vehicle bodies, range
Depending on the length of hinge 161, different test requests is adapted to, in addition, U-shaped bar 166 can also be with the wheel hole of wheel 162
163 cooperation brake wheels 162.
In specific embodiment, elevating lever uses trapezoidal thread structure, increases power transmission efficiency and self-locking, and wheel outer ring is glue system
Material can reduce vibration, increase friction.
In one embodiment of the invention, it is preferable that as shown in Figure 10, camera assembly 40 includes: support rod 42, with survey
It tries platform 10 to connect, support rod 42 is retractable structure；Mounting blocks 44 can be slided or be rotatably arranged on support rod 42；
Camera 46 is set on mounting blocks 44, is used for collecting test video；Fastening assembly 48 is connect, for fixing with mounting blocks 44
Mounting blocks 44；Light source (not shown) is set on mounting blocks 44, and is arranged close to camera 46.
In this embodiment, camera 46 is fixed on mounting blocks 44, and mounting blocks 44 can be slided on support rod 42
Dynamic or rotation adjustment, fastening assembly 48 is fixed by the mounting blocks 44 adjusted, to adapt to different testing requirements, 46 energy of camera
Enough short distance collecting test videos, and video is sent to the user terminal, so that user monitors wind direction, wind speed and fugitive dust in real time
Test case, while avoiding the harm of artificial recorded video.
In a specific embodiment of the invention, as depicted in figs. 1 and 2, environment measuring device includes: with self-locking mobile liter
The test platform of function, wind direction and wind velocity test suite, fugitive dust test suite, video acquisition device (camera assembly) drop.
Test platform is made of platform lever, bottom plate, the castor assembly with self-locking moving lifting function, wherein platform is drawn
Bar has primarily served the effect of the entire platform of traction, and can lay flat to reduce the interference to test, and bottom plate has primarily served solid
Determine the effect of wind direction and wind velocity test suite, fugitive dust test suite, specifically, is fixed with bolt, castor assembly has primarily served whole
The movement and lifting and stable effect of a platform guarantee going on smoothly for test.As shown in Figure 8 and Figure 9, castor assembly includes
U-shaped fixing groove, four hinges, U-shaped bar, elevating screw thread bar, wheel, axletree, U-shaped fixing groove connecting test platform and hinge,
Play the role of stable platform, four hinges can be movable, and for going up and down the effect of test platform, hinge is changeable, meets
Different test requests, elevating screw thread bar are the transmission rods of set-back hinge, using trapezoidal thread, increase power transmission efficiency and self-locking, U
Type bar plays the role of two, first is that cooperate brake wheel with the hole on wheel, second is that can be used as the elastic elevating screw thread bar of connecting rod,
Wheel has the function of walking, and outer ring is glue prepared material, reduces vibration, increases friction, axletree is for connecting wheel and hinge.
Wind direction and wind velocity test suite includes fixed plate, and hemisphere face surveys wind component two parts, and hemisphere face surveys wind assembly array side
Although formula can also use other array manners as shown in fig. 6, the four kinds of array manners only listed in figure.Fig. 7 is specific thin
The hemisphere face of section surveys wind component, including the micro- bicircular ring (pressure rings) in tail portion, and taper wind sleeve enters the wind annulus, and wind speed tests chip,
Rotary components, spring, wind-guiding upright bar.Wherein, the micro- heavy ring in tail portion is air outlet, mainly for making taper in the case where calm
Wind sleeve keeps the state naturally drooped, and air outlet, which will not be shunk, causes wind not go out.Why is taper wind sleeve
It is designed as taper, primarily to wind is allowed to have the function of shrinking, so that wind direction visualizes, the length of wind sleeve is adjustable,
Can better conform to test environment slightly has wind wind sleeve will be made to hike up using the plastics of lightweight, and air inlet annulus is mainly
It is easier to enter the wind, tightens air inlet not, and annulus bottom installation wind speed tests chip, wind speed test chip mainly surveys air inlet
The wind speed of mouth, and connect anemobiagraph display.Rotary components can rotate freely the wind speed and direction of 360 ° of test, and spring increases
The measurement range of the wind direction of inclined direction, wind speed, wind-guiding upright bar has primarily served the effect of support above structure, and it is high
Degree can be replaced, to adapt to different test conditions.
Fig. 3 and Fig. 4 show ellipsoid fugitive dust test board, which has the edge of 5cm, to prevent lime from falling ground,
On the one hand the male and female face of fugitive dust test board can simulate rough road surface, lime on the one hand can be made to have blowing property, made
It obtains lime to be easy to raise, has arrived the excellent effect of test fugitive dust.Oval male and female face according to Figure 11 array manner or other arrays
Mode is distributed, and the sectional view of oval male and female face is as shown in figure 5, male and female face is by circular arc line, and ellipse, parabola is constituted, and is determined
Justice depth L1 and spacing L2, specific as follows:
An arc equation is x2+y2=100, elliptic equation is Parabolic equation is
Video acquisition device, as shown in Figure 10, including camera, mounting blocks, fastening bolt, support rod.It is mounted on installation
On block, mounting blocks can be slided up and down or be rotated left and right on support rod, and fastening bolt fastens the camera adjusted,
To adapt to different testing requirements, camera connects computer, can monitor the test case of wind direction, wind speed and fugitive dust in real time.
In this specific embodiment, first, wind speed only needs people's operation that can complete to test when testing, the present apparatus
The problem of wind speed of each method can not only being measured, and the result tested is also quite accurate, while can solve wind direction positioning,
Visualization wind direction positioning is carried out, it is accurate to find wind direction maximum region.
Second, utilize the height for cooperatively forming mobile liftable test platform and meeting different vehicle bodies of scissor mechanism and wheel
Degree, range is depending on the length of hinge.
Third, fugitive dust test suite, test board can not only simulate road conditions, can also store lime well, be conducive to wind
Lime is blown, lime usage amount is reduced, the setting of male and fomale(M&F) uses the linear of the combination of one section of oval camber line and parabola and round wires
Combination.
4th, camera assembly distribution tests platform quadrangle has the regulatory function of height and rotation.
In the description of this specification, term " first ", " second " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance, unless otherwise clearly defined and limited；Term " connection ", " installation ", " fixation " etc. should all be done extensively
Reason and good sense solution, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be direct phase
It even, can also be indirectly connected through an intermediary.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of environment measuring device characterized by comprising
Test platform is provided at least one camera assembly on the test platform；
Fugitive dust test suite is set on the test platform；And/or
Wind direction and wind velocity test suite is set on the fugitive dust test suite or the test platform；
Wherein, the camera assembly is used to acquire the test of the fugitive dust test suite and/or the wind direction and wind velocity test suite
Video.
2. environment measuring device according to claim 1, which is characterized in that the fugitive dust test suite includes:
Test board is connect with the test platform, and multiple concave surfaces are provided on the test board, and the edge of the test board is convex
Play structure；
Fugitive dust test probe, is set on the test board, for detecting fugitive dust concentration.
3. environment measuring device according to claim 2, which is characterized in that
The concave surface comprises at least one of the following: circular arc, elliptic arc, parabolic arc；
Convex surface between two adjacent concave surfaces comprises at least one of the following: circular arc, elliptic arc, parabolic arc.
4. environment measuring device according to claim 1, which is characterized in that the wind direction and wind velocity test suite includes:
Fixed plate is connect with the test platform；
Wind component is surveyed, is set in the fixed plate, multiple survey wind components are uniformly distributed in the fixed plate.
5. environment measuring device according to claim 4, which is characterized in that the survey wind component includes:
Wind direction component, for testing wind direction；
Air velocity transducer is set on the wind direction component, for measuring wind speed；
Wind-guiding upright bar is connect with the fixed plate, and the wind-guiding upright bar is retractable structure；
One end of rotary components, the rotary components is connect by elastomeric element with the wind-guiding upright bar, the other end and the wind
It is connected to component, for adjusting the direction of the wind direction component.
6. environment measuring device according to claim 5, which is characterized in that the wind direction component includes:
Air supplying ring is connect with the rotary components, and the air velocity transducer is set on the air supplying ring；
Wind sleeve is connect, for testing wind direction with the air supplying ring；
Pressure rings are connect with the wind sleeve, positioned at the opposite side of the air supplying ring.
7. environment measuring device according to claim 6, which is characterized in that
From the air supplying ring to the pressure rings direction, the cross-sectional area of the wind sleeve is gradually reduced；
The wind sleeve sack is provided with magic tape, and the wind sleeve is connected on the air supplying ring by the magic tape；
The rotary components include bearing and the axle sleeve for being set to the bearing periphery, and the bearing is opposite with the axle sleeve to be turned
Dynamic, the bearing is connect with the elastomeric element, and the axle sleeve is connect with the air supplying ring；
The elastomeric element is spring.
8. environment measuring device according to any one of claim 1 to 7, which is characterized in that the test platform includes:
Bottom plate, the bottom plate two sides are relatively set with column, for installing the fugitive dust test suite and/or the wind direction and wind velocity
Test suite；
Platform lever is set to the bottom plate top by the column；
Castor assembly is set to the bottom plate lower part；
Wherein, the column is retractable structure.
9. environment measuring device according to claim 8, which is characterized in that the castor assembly includes:
Hinge is connect, for going up and down the test platform with the bottom plate by fixing groove；
Wheel, the wheel are provided with wheel hole and axletree, and the wheel is connect by the axletree with the hinge；
Elevating lever is connect with the hinge, for shrinking the hinge；
One end of U-shaped bar, the U-shaped bar is connect with the elevating lever, for adjusting the elevating lever, the other end and the wheel
Hole is cooperatively connected, for braking the wheel.
10. environment measuring device according to any one of claim 1 to 7, which is characterized in that the camera assembly packet
It includes:
Support rod is connect with the test platform, and the support rod is retractable structure；
Mounting blocks can be slided or be rotatably arranged on the support rod；
Camera is set on the mounting blocks, for acquiring the test video；
Fastening assembly is connect with the mounting blocks, and the fastening assembly is for fixing the mounting blocks；
Light source is set on the mounting blocks, and is arranged close to the camera.
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| CN110243418B (en) | 2024-08-23 |
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