CN110514152A - Degree of plainness for wall surface detection method and system based on laser scanning - Google Patents
Degree of plainness for wall surface detection method and system based on laser scanning Download PDFInfo
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- CN110514152A CN110514152A CN201810490862.5A CN201810490862A CN110514152A CN 110514152 A CN110514152 A CN 110514152A CN 201810490862 A CN201810490862 A CN 201810490862A CN 110514152 A CN110514152 A CN 110514152A
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- wall surface
- test point
- metope
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- measuring device
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- 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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a kind of degree of plainness for wall surface detection method and system based on laser scanning, which comprises by the metope in laser measuring device for measuring alignment room, carries out getting detection ready to metope with preset Measurement Resolution；The laser measuring device for measuring obtains the spatial data of metope test point, and the wall surface levelling deviation of the test point is calculated according to the spatial data, judges whether the wall surface levelling deviation is more than preset range value；If so, being labeled as not conforming to lattice point to the test point；If it is not, then carrying out getting detection ready according to next test point of the preset scanning mode to room metope by laser measuring device for measuring, until completing the flatness detection of all metopes in room.This invention simplifies the detection programs of degree of plainness for wall surface, reduce manpower and cost, improve the working efficiency of degree of plainness for wall surface detection.
Description
Technical field
The present invention relates to building detection field more particularly to a kind of degree of plainness for wall surface detection method based on laser scanning and
System.
Background technique
Currently, the method operation in measurement wall surface levelling region is relatively complicated, not only need measuring instrument to be used various, and
And two or three people's conjunction measuring is needed, working efficiency is not high；When guiding ruler is when detecting higher from the ground, staff is also
Need to detect the flattened region at high position by other tools, however in reality measurement these places be often easiest to by
Ignore.Existing tester for level degree of wall surface device itself compares complicated and not easy to operate, needs the operation skill of profession, such as
" dial gauge is got ready " instrument, although the precision of measurement is very high, if when the detection poor region of degree of plainness for wall surface, it can be to instrument
Itself is damaged.
In addition, existing degree of plainness for wall surface detection is somebody's turn to do there are also a kind of method detected using Reflectorless total station
The advantages of method be measurement accuracy height, can accurately measure metope arbitrary point to fit Plane distance, to detect metope
Flatness, but the disadvantage is that instrumentation is more complicated, expensive, unsuitable popularize in an all-round way uses.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of degree of plainness for wall surface detection side based on laser scanning
Method and system can simplify the detection program of degree of plainness for wall surface, reduce manpower and cost, improve the work effect of degree of plainness for wall surface detection
Rate.
A kind of degree of plainness for wall surface detection method based on laser scanning, which comprises
By the metope in laser measuring device for measuring alignment room, metope is carried out with preset Measurement Resolution to get detection ready；
The laser measuring device for measuring obtains the spatial data of metope test point, and according to the spatial data meter
Calculation obtains the wall surface levelling deviation of the test point, judges whether the wall surface levelling deviation is more than preset range value；
If so, being labeled as not conforming to lattice point to the test point；If it is not, then being swept by laser measuring device for measuring according to preset
It retouches mode next test point of room metope is carried out getting detection ready, until completing the flatness detection of all metopes in room.
In one of the embodiments, before the step of metope that laser measuring device for measuring is aligned to room further include:
Laser measuring device for measuring is placed in predeterminated position in room, and is initialized.
The metope that the test point is calculated according to the spatial data is flat in one of the embodiments,
The step of whole deviation, specifically includes:
The laser measuring device for measuring carries out the wall surface levelling deviation that the test point is calculated according to the following formula:
Wherein, M is the smooth deviation for detecting metope, and X, Y are the spatial value of the test point, the space coordinate
The origin of system is the position where laser measuring device for measuring；Z is distance of the test point to origin；Z0For laser measuring device for measuring original
Vertical range of the point to detection metope.
The preset range value is that -2mm arrives 2mm in one of the embodiments,.
It is described in one of the embodiments, to include: labeled as the step of not conforming to lattice point to the test point
The laser measuring device for measuring prompts the test point unqualified, and by manually by being labeled as not to the test point
Qualified point.
It is described in one of the embodiments, to pass through laser measuring device for measuring according to preset scanning mode to room metope
Next test point carries out the step of getting detection ready and includes:
Using from left to right, mode from top to bottom carries out getting inspection ready the laser measuring device for measuring to the side wall in room
It surveys.
It is described in one of the embodiments, to pass through laser measuring device for measuring according to preset scanning mode to room metope
Next test point carries out the step of getting detection ready and includes:
The laser measuring device for measuring, which is used, to be put centered on laser measuring device for measuring position, and covering of the fan is diagonally formed
Mode roof metope is carried out to get detection ready.
In addition, the present invention also provides a kind of degree of plainness for wall surface detection system based on laser scanning, the system comprises:
Laser dotting unit gets detection ready for carrying out with preset Measurement Resolution to metope；
Data acquisition unit, for obtaining the spatial data of metope test point；
Computing unit, for the wall surface levelling deviation of the test point to be calculated according to the spatial data；
Judging unit, for judging whether the wall surface levelling deviation is more than preset range value；
Marking unit is used for judging that the wall surface levelling deviation is more than preset range value, will be described
Test point is labeled as not conforming to lattice point.
The laser measuring device for measuring carries out that the test point is calculated according to the following formula in one of the embodiments,
Wall surface levelling deviation:
Wherein, M is the smooth deviation for detecting metope, and X, Y are the spatial value of the test point, the space coordinate
The origin of system is the position where laser measuring device for measuring；Z is distance of the test point to origin；Z0For laser measuring device for measuring original
Vertical range of the point to detection metope.
The preset range value is that -2mm arrives 2mm in one of the embodiments,.
Of the invention degree of plainness for wall surface detection method and system based on laser scanning simplifies the detection of degree of plainness for wall surface
Program reduces manpower and cost, improves the working efficiency of degree of plainness for wall surface detection.
Detailed description of the invention
Fig. 1 is the applied environment figure of the degree of plainness for wall surface detection method based on laser scanning in one embodiment of the invention.
Fig. 2 is that the detailed process of the degree of plainness for wall surface detection method based on laser scanning in one embodiment of the invention is shown
It is intended to.
Fig. 3 is the schematic diagram of the test point distribution of side wall in Fig. 2.
Fig. 4 is the schematic diagram of the test point distribution of roof metope in Fig. 2.
Fig. 5 is the structural representation of the degree of plainness for wall surface detection system based on laser scanning in one embodiment of the invention
Figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is based on the degree of plainness for wall surface detection methods of laser scanning to be further elaborated.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of answering for degree of plainness for wall surface detection method based on laser scanning applied in Fig. 1
Use environment map.The present invention is mainly used for detecting the flatness of indoor wall (whether PLSCONFM is correct), including room four sides
Side wall I and roof metope II is directed at side side wall I and roof by the laser measuring device for measuring 100 being placed in room
Metope II scanning, to carry out degree of plainness for wall surface detection to side wall I and roof metope II.
The present invention provides a kind of degree of plainness for wall surface detection method based on laser scanning, the described method comprises the following steps:
By the metope in laser measuring device for measuring alignment room, metope is carried out with preset Measurement Resolution to get detection ready；The Laser Measuring
It measures device and obtains the spatial data of metope test point, and the test point is calculated according to the spatial data
Wall surface levelling deviation judges whether the wall surface levelling deviation is more than preset range value；If so, to the test point mark
It is denoted as and does not conform to lattice point；If it is not, then passing through laser measuring device for measuring according to preset scanning mode to next test point of room metope
It carries out getting detection ready, until completing the flatness detection of all metopes in room.In this way, by laser measuring device for measuring successively to room
Wall, which is scanned, to be got ready, and calculates judge whether the flatness of the test point is qualified automatically, to realize quickly and easily
Wall leveling degree is detected, manpower and cost are reduced, improves the working efficiency of degree of plainness for wall surface detection.
Referring to Fig. 2, the degree of plainness for wall surface detection method based on laser scanning in one embodiment of the invention is specific
Flow diagram, described detection method includes the following steps:
Step S101: laser measuring device for measuring is placed in predeterminated position in room, and is initialized；
In specific implementation, the laser measuring device for measuring includes laser ranging module, data acquisition module and data processing
Module, the test point of the laser ranging module alignment wall simultaneously send transmitting infrared laser, and the data acquisition module is used for
Acquire the spatial data of the test point, the data processing module be used for the spatial data of the test point into
Row calculation processing.In measurement, laser measuring device for measuring is placed in predeterminated position in room, the predeterminated position can be room
Center can also select the specific position in room according to actual measurement situation.After placing laser measuring device for measuring i.e.
Start to carry out Initialize installation to laser measuring device for measuring, return where middle processing and setting laser measuring device for measuring including initialization
Position is as measurement origin.
Step S102: the metope in laser measuring device for measuring alignment room beats metope with preset Measurement Resolution
Point detection；
In specific implementation, the present invention uses and carries out sampling observation mode detection, the i.e. certain amount in room metope to metope
Point carry out detection flatness.In the present embodiment, flatness detection first is carried out to the side wall in room, then to the room at the top of room
It is detected in crown wall face.When detecting, the Measurement Resolution of laser measuring device for measuring is first set, wherein the Measurement Resolution is
Laser measuring device for measuring gets the spacing of position ready, and when high resolution is required, the spacing got ready need to be arranged smaller；When the low resolution of needs
When rate, the spacing got ready need to be arranged larger.High-resolution can more accurately reflect the flatness of metope, but when can extend measurement
Between, it can need to adjust the Measurement Resolution of laser measuring device for measuring according to measurement.
Step S103: the laser measuring device for measuring obtains the spatial data of metope test point, and according to the space
The wall surface levelling deviation of the test point is calculated in coordinate data；
In specific implementation, the laser measuring device for measuring establishes space coordinate using the position where it as measurement origin
System, the laser measuring device for measuring pass through the space coordinate of test point described in data collecting module collected when metope every dozen a bit
Data, and the spatial data of the test point is rapidly transferred in data processing module, the spatial data packet
Include (X, the Y) of the test point spatial value and the test point to space coordinates origin distance.
The step of wall surface levelling deviation that the test point is calculated according to the spatial data, is specific
Include:
The laser measuring device for measuring carries out the wall surface levelling deviation that the test point is calculated according to the following formula:
Wherein, M is the smooth deviation for detecting metope, and X, Y are the spatial value of the test point, the space coordinate
The origin of system is the position where laser measuring device for measuring；Z is distance of the test point to origin；Z0For laser measuring device for measuring original
Vertical range of the point to detection metope.
Step S104: the laser measuring device for measuring judges whether the wall surface levelling deviation is more than preset range value, if
It is then to carry out step S105；If it is not, then carrying out step S106；
In specific implementation, after the wall surface levelling deviation of the test point is calculated in the laser measuring device for measuring, i.e.,
Whether it is more than preset range value that the wall surface levelling deviation is compared, wherein the preset range value is for assessing wall
The standard of surface evenness judges the test point if the wall surface levelling deviation that test point is calculated is more than preset range value
Not conform to lattice point；If the wall surface levelling deviation that test point is calculated is no more than preset range value, judge that the test point is
Qualified point.Testing staff can adjust qualified range intervals according to different measurement scenes.
It should be noted that preset range value is generally positive and negative values range, in the present embodiment, the preset range value is-
2mm to 2mm, wherein showing that the point is salient point if being negative if the preset range value；Show if preset range value is positive number
The point is concave point.
Step S105: the test point is labeled as not conform to lattice point；
In specific implementation, when the laser measuring device for measuring, which detects, does not conform to lattice point, the laser measuring device for measuring pause
Measurement, and show red laser dot on metope, it is marked by testing staff, so as to the underproof wall of subsequent correction
Body, then staff presses the continuation button of the laser measuring device for measuring, and the laser measuring device for measuring will work on.
The i.e. described step S105 is specifically included:
The laser measuring device for measuring prompts the test point unqualified, and by manually being labeled as not conforming to the test point
Lattice point.
Step S106: it is carried out by laser measuring device for measuring according to next test point of the preset scanning mode to room metope
It gets detection ready, repeats step S103 to step S105, until completing the flatness detection of all metopes in room.
In specific implementation, Fig. 3 and Fig. 4 is please referred to, for the side wall in room, the laser measuring device for measuring is used from a left side
To the right side, mode from top to bottom carries out getting detection ready, and the S103 to step S105 that repeats the above steps detects deterministic process.One face wall
After the completion of getting ready, during the laser measuring device for measuring can first return, then rotates to next face wall body and continued with identical working method
It carries out getting detection ready, until having measured all metopes.
After the side wall in room completes detection, the laser measuring device for measuring can be directed at the intermediate position of roof metope,
Four sides wall can be also different from for the dot method on roof, specific dot method is as shown in figure 4, i.e. for roof metope, institute
It states laser measuring device for measuring and uses and put centered on laser measuring device for measuring position, the mode for diagonally forming covering of the fan carries out
Get detection ready, detection deterministic process is identical as above-mentioned steps S103 to step S105 detection deterministic process.
In addition, referring to Fig. 5, the structure of the present invention also provides a kind of degree of plainness for wall surface detection system based on laser scanning is shown
It is intended to, the system comprises: laser dotting unit 10 gets detection ready for carrying out with preset Measurement Resolution to metope；Number
According to acquisition unit 20, for obtaining the spatial data of metope test point；Computing unit 30, for according to the space coordinate
The wall surface levelling deviation of the test point is calculated in data；Judging unit 40, for judging the wall surface levelling deviation
It whether is more than preset range value；Marking unit 50, for judging that the wall surface levelling deviation is more than preset range value
In the case of, the test point is labeled as not conform to lattice point.
Wherein, the laser measuring device for measuring carries out the wall surface levelling deviation that the test point is calculated according to the following formula
Value:
Wherein, M is the smooth deviation for detecting metope, and X, Y are the spatial value of the test point, the space coordinate
The origin of system is the position where laser measuring device for measuring；Z is distance of the test point to origin；Z0For laser measuring device for measuring original
Vertical range of the point to detection metope.
Compared with the prior art, the degree of plainness for wall surface detection method and system of the invention based on laser scanning simplifies wall
The detection program of surface evenness, reduces manpower and cost, improves the working efficiency of degree of plainness for wall surface detection.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, In
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of degree of plainness for wall surface detection method based on laser scanning, which is characterized in that the described method includes:
By the metope in laser measuring device for measuring alignment room, metope is carried out with preset Measurement Resolution to get detection ready；
The laser measuring device for measuring obtains the spatial data of metope test point, and is calculated according to the spatial data
To the wall surface levelling deviation of the test point, judge whether the wall surface levelling deviation is more than preset range value；
If so, being labeled as not conforming to lattice point to the test point；If it is not, then by laser measuring device for measuring according to preset scanning side
Formula carries out getting detection ready to next test point of room metope, until completing the flatness detection of all metopes in room.
2. the degree of plainness for wall surface detection method based on laser scanning as described in claim 1, which is characterized in that described by laser
Measuring device was aligned before the step of metope in room further include:
Laser measuring device for measuring is placed in predeterminated position in room, and is initialized.
3. the degree of plainness for wall surface detection method based on laser scanning as claimed in claim 2, which is characterized in that described according to institute
The step of wall surface levelling deviation of the test point is calculated in spatial data is stated to specifically include:
The laser measuring device for measuring carries out the wall surface levelling deviation that the test point is calculated according to the following formula:
Wherein, M is the smooth deviation for detecting metope, and X, Y are the spatial value of the test point, the space coordinates
Origin is the position where laser measuring device for measuring；Z is distance of the test point to origin；Z0It is arrived for laser measuring device for measuring origin
Detect the vertical range of metope.
4. the degree of plainness for wall surface detection method based on laser scanning as claimed in claim 3, which is characterized in that the default model
Enclosing value is -2mm to 2mm.
5. the degree of plainness for wall surface detection method based on laser scanning as claimed in claim 4, which is characterized in that described to described
Test point labeled as do not conform to lattice point the step of include:
The laser measuring device for measuring prompts the test point unqualified, and by manually unqualified by being labeled as to the test point
Point.
6. the degree of plainness for wall surface detection method based on laser scanning as described in claim 1, which is characterized in that described by swashing
Optical measurement instrument carries out the step of getting detection ready according to next test point of the preset scanning mode to room metope
Using from left to right, mode from top to bottom carries out getting detection ready the laser measuring device for measuring to the side wall in room.
7. the degree of plainness for wall surface detection method based on laser scanning as described in claim 1, which is characterized in that described by swashing
Optical measurement instrument carries out the step of getting detection ready according to next test point of the preset scanning mode to room metope
The laser measuring device for measuring, which is used, to be put centered on laser measuring device for measuring position, and the side of covering of the fan is diagonally formed
Formula carries out roof metope to get detection ready.
8. a kind of degree of plainness for wall surface detection system based on laser scanning, which is characterized in that the system comprises:
Laser dotting unit gets detection ready for carrying out with preset Measurement Resolution to metope；
Data acquisition unit, for obtaining the spatial data of metope test point；
Computing unit, for the wall surface levelling deviation of the test point to be calculated according to the spatial data；
Judging unit, for judging whether the wall surface levelling deviation is more than preset range value；
Marking unit is used for judging that the wall surface levelling deviation is more than preset range value, by the detection
Point is labeled as not conforming to lattice point.
9. the degree of plainness for wall surface detection system based on laser scanning as claimed in claim 8, which is characterized in that the Laser Measuring
Amount device carries out the wall surface levelling deviation that the test point is calculated according to the following formula:
Wherein, M is the smooth deviation for detecting metope, and X, Y are the spatial value of the test point, the space coordinates
Origin is the position where laser measuring device for measuring；Z is distance of the test point to origin；Z0It is arrived for laser measuring device for measuring origin
Detect the vertical range of metope.
10. the degree of plainness for wall surface detection system based on laser scanning as claimed in claim 8, which is characterized in that described default
Value range is that -2mm arrives 2mm.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112945150A (en) * | 2021-02-02 | 2021-06-11 | 上海勘察设计研究院(集团)有限公司 | Large structure flatness detection method based on three-dimensional laser scanning technology |
| CN113514012A (en) * | 2021-06-18 | 2021-10-19 | 筑友智造建设科技集团有限公司 | Surface quality grade detection method, device, system and medium for prefabricated part |
| CN113670235A (en) * | 2021-04-23 | 2021-11-19 | 达运精密工业股份有限公司 | Method for detecting flatness of base material |
| CN114370859A (en) * | 2022-01-13 | 2022-04-19 | 安徽中擎建设发展有限公司 | Laser marking method for plastering inner wall of building |
| CN115125808A (en) * | 2022-06-29 | 2022-09-30 | 山东省路桥集团有限公司 | Road surface construction flatness movement detection instrument capable of realizing contrast detection |
| CN116359243A (en) * | 2023-03-16 | 2023-06-30 | 深圳市德勤建工集团有限公司 | Environment-friendly panel production quality detection method based on computer vision |
| CN116989704A (en) * | 2023-09-25 | 2023-11-03 | 苏州博宏源机械制造有限公司 | Comprehensive detection method, system and storage medium for wafer surface flatness |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945150A (en) * | 2021-02-02 | 2021-06-11 | 上海勘察设计研究院(集团)有限公司 | Large structure flatness detection method based on three-dimensional laser scanning technology |
| CN113670235A (en) * | 2021-04-23 | 2021-11-19 | 达运精密工业股份有限公司 | Method for detecting flatness of base material |
| CN113670235B (en) * | 2021-04-23 | 2023-06-20 | 达运精密工业股份有限公司 | Method for detecting flatness of substrate |
| CN113514012A (en) * | 2021-06-18 | 2021-10-19 | 筑友智造建设科技集团有限公司 | Surface quality grade detection method, device, system and medium for prefabricated part |
| CN114370859A (en) * | 2022-01-13 | 2022-04-19 | 安徽中擎建设发展有限公司 | Laser marking method for plastering inner wall of building |
| CN115125808A (en) * | 2022-06-29 | 2022-09-30 | 山东省路桥集团有限公司 | Road surface construction flatness movement detection instrument capable of realizing contrast detection |
| CN116359243A (en) * | 2023-03-16 | 2023-06-30 | 深圳市德勤建工集团有限公司 | Environment-friendly panel production quality detection method based on computer vision |
| CN116989704A (en) * | 2023-09-25 | 2023-11-03 | 苏州博宏源机械制造有限公司 | Comprehensive detection method, system and storage medium for wafer surface flatness |
| CN116989704B (en) * | 2023-09-25 | 2023-12-01 | 苏州博宏源机械制造有限公司 | Comprehensive detection method, system and storage medium for wafer surface flatness |
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