CN111521147A - Method for quickly and accurately measuring angle of building wall - Google Patents
Method for quickly and accurately measuring angle of building wall Download PDFInfo
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- CN111521147A CN111521147A CN202010589857.7A CN202010589857A CN111521147A CN 111521147 A CN111521147 A CN 111521147A CN 202010589857 A CN202010589857 A CN 202010589857A CN 111521147 A CN111521147 A CN 111521147A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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Abstract
The invention discloses a method for quickly and accurately measuring the angle of a building wall, which is characterized by comprising the following steps of: step S1, opening the infrared laser Bluetooth distance meter and the surveying and mapping tool, entering a measurement drawing page of the surveying and mapping tool after the connection is successful, and starting to measure and draw from the starting point; step S2, clicking the wall body of the surveying and mapping tool for measurement, measuring the accurate length data and orientation data of the single line by the infrared laser Bluetooth distance meter matched with the infrared laser Bluetooth distance meter, transmitting the data to the mobile terminal through Bluetooth, and generating visual 3D data; and step S3, the system calculates the accurate angle of intersection of the wall body through an algorithm and displays the angle in real time through the mobile terminal. The 'electronic compass' module added in the matched infrared laser Bluetooth distance measuring instrument is used for collecting the accurate orientation of the wall, so that the overlarge deviation caused by using the cosine law to calculate the angle is avoided, and the inconvenience of carrying various angle measuring devices is also avoided.
Description
Technical Field
The invention relates to a method for quickly and accurately measuring the angle of a building wall.
Background
In the field of indoor house type measurement of buildings, the development of portable equipment, particularly the development of hardware equipment such as mobile phones and the like and the popularization of 4G and 5G networks make it possible to quickly obtain house type field data. At present, the infrared laser Bluetooth range finders are mostly adopted in the field of indoor household type measurement to measure the length of a single line, and data transmission and acquisition are carried out by combining App software, a three-dimensional household type digital model is constructed by using the acquired data, and data cloud storage and rapid sharing are realized. Such a new software-like application for fast mapping house types is represented as "house-aware" App (hereinafter referred to as "house-aware"). The method replaces the traditional mode of indoor measurement of buildings by paper and pens, has the functions of quickly drawing house types, quickly adding building structural members, generating a 3D house type drawing by one key, generating a plane drawing by one key, generating a vertical drawing by one key, quickly sharing CAD engineering drawings, quickly sharing 3D (OBJ) model files and the like, and provides accurate and good house type field data for designers. Based on the characteristic of rapidly constructing a 3D visual digital house type model, the 'known house type' supports cross-platform use, a visual designer is provided, innovative technologies such as house drawing type tools and component adding tools are utilized to rapidly construct the house type digital model and rapidly add and edit house type structural components, data evaluated at a client can be stored in a cloud computing storage mode at the cloud end, and the method is suitable for all real estate and architectural decoration application fields.
However, such approaches have drawbacks: on the one hand, the crossing contained angle of all building indoor wall in reality all can have more or less angular deviation, and infrared laser bluetooth distancer can carry out quick single line length measurement, but accurate indoor wall contained angle can not be measured, need utilize angular surveying appearance or utilize the cosine law to measure diagonal length and calculate the wall body contained angle (see attached figure 1), and on the other hand, the operation proficiency and the operation norm degree of gathering personnel also can lead to the measurement and the calculation error of wall body angle very big.
Disclosure of Invention
The invention aims to provide a method for quickly and accurately measuring the angle of a building wall, which aims at overcoming the defects of the prior art.
In order to solve the technical problems, the following technical scheme is adopted:
the method for quickly and accurately measuring the angle of the building wall is characterized by comprising the following steps of:
step S1, opening the infrared laser Bluetooth distance meter and the surveying and mapping tool, entering a measurement drawing page of the surveying and mapping tool after the connection is successful, and starting to measure and draw from the starting point;
step S2, clicking the wall body of the surveying and mapping tool for measurement, measuring the accurate length data and orientation data of the single line by the infrared laser Bluetooth distance meter matched with the infrared laser Bluetooth distance meter, transmitting the data to the mobile terminal through Bluetooth, and generating visual 3D data;
and step S3, the system calculates the accurate angle of intersection of the wall body through an algorithm and displays the angle in real time through the mobile terminal.
Further, in step S1, the infrared laser bluetooth distance meter and the mapping tool are connected by obtaining the bluetooth device model and the machine code by using the android system and ios system interface communication method, obtaining the laser positioning value feedback of the bluetooth distance meter, and performing value marking corresponding to the length between two points of the corresponding line segment in the sketch drawing.
Further, in step S2, the method of wall measurement is as follows: by dragging the vertex of the line segment and marking A, B the space coordinate information of the vertex, the length of the line segment is measured by calculating the distance between the two points A and B.
Further, after the step of measuring the wall body is completed, the discrete linear data in the sketch are subjected to linearization processing, meanwhile, the data of the wall space and the wall width and thickness are combined to generate a plane graph, and the plane graph provides complete wall surface information data; and length measurement calculation is carried out according to the vertex position and the direction between two points of different line segments in the plane graph, and numerical value labeling is carried out.
Further, an electronic compass is arranged in the infrared laser bluetooth distance meter, and in the steps S2 and S3, the accurate orientation data measured by the electronic compass is also transmitted to the surveying and mapping tool through bluetooth, and recorded in the wall attribute of each bar.
Further, in step S3, after the indoor measurement and drawing of the building are completed, the angles of all the wall joints are calculated from the direction data of each indoor wall, and are displayed in real time.
Further, in the steps S2 and S3, the calculation formula of the included angle is:
and calculating the included angle between the two vectors V1 and V2 to calculate the angle between the two line segments.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the invention relates to a method for quickly and accurately measuring the angle of a building wall, which collects the accurate orientation of the wall through an 'electronic compass' module added in a matched infrared laser Bluetooth distance meter, avoids overlarge deviation of the angle calculated by using a cosine law, and simultaneously avoids the inconvenience of carrying various angle measuring equipment.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of the present invention, which uses the cosine law to measure the length of the diagonal line and calculate the included angle of the wall;
FIG. 2 is a schematic structural diagram of wall attribute record accurate azimuth information in the present invention;
FIG. 3 is a schematic view of the structure of the present invention showing the orientation of each wall in the building;
FIG. 4 is a schematic structural diagram of the "Cartesian coordinate system" of the present invention matching a fixed value of a degree;
fig. 5 is a diagram of an embodiment of the present invention in which the included angle cos α is 90 °;
fig. 6 is a diagram of an embodiment of the present invention in which the included angle cos α is 135 °.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 4, step S1, opening the infrared laser bluetooth range finder and the surveying and mapping tool, entering a measurement drawing page of the surveying and mapping tool after the connection is successful, and starting to measure and draw from a starting point;
step S2, clicking the wall body of the surveying and mapping tool for measurement, measuring the accurate length data and orientation data of the single line by the infrared laser Bluetooth distance meter matched with the infrared laser Bluetooth distance meter, transmitting the data to the mobile terminal through Bluetooth, and generating visual 3D data;
and step S3, the system calculates the accurate angle of intersection of the wall body through an algorithm and displays the angle in real time through the mobile terminal.
This surveying instrument is present "knows house type" survey and drawing APP.
Further, in step S1, the infrared laser bluetooth distance meter and the mapping tool are connected by obtaining the bluetooth device model and the machine code by using the android system and ios system interface communication method, obtaining the laser positioning value feedback of the bluetooth distance meter, and performing value marking corresponding to the length between two points of the corresponding line segment in the sketch drawing.
Further, in step S2, the method of wall measurement is as follows: by dragging the vertex of the line segment and marking A, B the space coordinate information of the vertex, the length of the line segment is measured by calculating the distance between the two points A and B.
Specifically, the marker A, B vertex space coordinate information: are respectively A (x)1，y1)、B(x2，y2)，
Length calculation formula (distance between points a and B):
further, after the step of measuring the wall body is completed, the discrete linear data in the sketch are subjected to linearization processing, meanwhile, the data of the wall space and the wall width and thickness are combined to generate a plane graph, and the plane graph provides complete wall surface information data; and length measurement calculation is carried out according to the vertex position and the direction between two points of different line segments in the plane graph, and numerical value labeling is carried out.
Further, referring to fig. 2, an electronic compass is provided in the infrared laser bluetooth distance meter, and in steps S2 and S3, the precise orientation data measured by the electronic compass is also transmitted to the mapping tool via bluetooth, and recorded in the wall attribute of each bar.
Further, referring to fig. 3, in step S3, after the indoor measurement of the building is completed and the indoor measurement is drawn, the angle of intersection of all walls is calculated according to the orientation data of each indoor wall and displayed in real time.
Further, in the steps S2 and S3, the calculation formula of the included angle is:
and calculating the included angle between the two vectors V1 and V2 to calculate the angle between the two line segments.
In addition, in the actual measurement process, the direction of the wall is not fixed in a single direction, but a bidirectional arbitrary measurement condition exists, so that a complementary calculation method is provided for calculating the direction of the wall, specifically as follows:
specifically, referring to FIG. 4, we match the measured unidirectional orientation of the wall to a fixed degree value using the "Cartesian coordinate system," as follows:
referring to fig. 5, by calculating the formula cos α ═ v1-v2|, for example: cos α is 90 °.
Referring to fig. 6, by calculating the formula cos α ═ v1-v2|, for example: cos α is 135 °.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.
Claims (7)
1. The method for quickly and accurately measuring the angle of the building wall is characterized by comprising the following steps of:
step S1, opening the infrared laser Bluetooth distance meter and the surveying and mapping tool, entering a measurement drawing page of the surveying and mapping tool after the connection is successful, and starting to measure and draw from the starting point;
step S2, clicking the wall body of the surveying and mapping tool for measurement, measuring the accurate length data and orientation data of the single line by the infrared laser Bluetooth distance meter matched with the infrared laser Bluetooth distance meter, transmitting the data to the mobile terminal through Bluetooth, and generating visual 3D data;
and step S3, the system calculates the accurate angle of intersection of the wall body through an algorithm and displays the angle in real time through the mobile terminal.
2. The method for rapidly and accurately measuring the angle of a building wall according to claim 1, wherein: in step S1, the infrared laser bluetooth distance meter and the surveying and mapping tool are connected by obtaining the bluetooth device model and the machine code by using the android system and ios system interface communication method, obtaining the laser positioning value feedback of the bluetooth distance meter, and performing value marking corresponding to the length between two points of the corresponding line segment in the sketch drawing.
3. The method for rapidly and accurately measuring the angle of a building wall according to claim 1, wherein: in step S2, the method of wall measurement is as follows: by dragging the vertex of the line segment and marking A, B the space coordinate information of the vertex, the length of the line segment is measured by calculating the distance between the two points A and B.
4. The method for rapidly and accurately measuring the angle of a building wall according to claim 3, wherein: after the step of wall body measurement is completed, carrying out linearization processing on discrete linear data in the sketch, and generating a plane diagram by combining wall space data and wall width and thickness data, wherein the plane diagram provides complete wall surface information data; and length measurement calculation is carried out according to the vertex position and the direction between two points of different line segments in the plane graph, and numerical value labeling is carried out.
5. The method for rapidly and accurately measuring the angle of a building wall according to claim 1, wherein: an electronic compass is arranged in the infrared laser Bluetooth distance meter, and in the steps S2 and S3, the accurate orientation data measured by the electronic compass is also transmitted to a surveying and mapping tool through Bluetooth, and the record is recorded in the wall attribute of each piece.
6. The method for rapidly and accurately measuring the angle of a building wall according to claim 1, wherein: in step S3, after the indoor measurement and drawing of the building are completed, the angles of all the wall joints are calculated according to the orientation data of each indoor wall, and are displayed in real time.
7. The method for rapidly and accurately measuring the angle of a building wall according to claim 1, wherein: in the steps S2 and S3, the calculation formula of the included angle is:
and calculating the included angle between the two vectors V1 and V2 to calculate the angle between the two line segments.
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| CN102829755A (en) * | 2012-08-27 | 2012-12-19 | 西安煤航信息产业有限公司 | Quick measuring method based on laser ranging device |
| CN103868477A (en) * | 2014-03-28 | 2014-06-18 | 山东颐荣集团有限公司 | Wall flatness measuring instrument and measuring method thereof |
| CN105890580A (en) * | 2016-04-06 | 2016-08-24 | 马嘉伦 | Indoor space surveying and mapping system and method |
| CN108446830A (en) * | 2018-02-13 | 2018-08-24 | 厦门知本家科技有限公司 | A kind of house type Sunlight Analysis method based on mobile device end |
-
2020
- 2020-06-24 CN CN202010589857.7A patent/CN111521147A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829755A (en) * | 2012-08-27 | 2012-12-19 | 西安煤航信息产业有限公司 | Quick measuring method based on laser ranging device |
| CN103868477A (en) * | 2014-03-28 | 2014-06-18 | 山东颐荣集团有限公司 | Wall flatness measuring instrument and measuring method thereof |
| CN105890580A (en) * | 2016-04-06 | 2016-08-24 | 马嘉伦 | Indoor space surveying and mapping system and method |
| CN108446830A (en) * | 2018-02-13 | 2018-08-24 | 厦门知本家科技有限公司 | A kind of house type Sunlight Analysis method based on mobile device end |
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