阅读说明：本技术 基于可智能处理塔尺高度数据水准仪系统的高度检测方法 (Height detection method based on intelligent processing of height data of sliding staff and level gauge system ) 是由 雷威 吴勇 杨继武 张�林 王厚林 仇志龙 张系峰 罗建华 曹业锐 张辉 陈公社 于 2021-07-21 设计创作，主要内容包括：本发明涉及一种高度检测方法,尤其涉及一种基于可智能处理塔尺高度数据水准仪系统的高度检测方法,其目的是解决现有高度检测方法存在当检测点上放置的水准仪的塔尺的垂直度不足时,会造成检测数值变大的技术问题。该方法基于可智能处理塔尺数据的水准仪系统,水准仪上安装有图像处理系统,选取的塔尺包括条形码或二维码形式的塔尺高度数据。高度测试中,通过在检测点周围缓慢晃动方式获取多个高度检测值,然后选取多个高度检测值中的最小值作为最终高度检测值,实现了自动捕捉最准确的高度数值。(The invention relates to a height detection method, in particular to a height detection method based on a leveling instrument system capable of intelligently processing the height data of a sliding staff, aiming at solving the technical problem that the detection value is increased when the verticality of the sliding staff of the leveling instrument placed on a detection point is insufficient in the conventional height detection method. The method is based on a leveling instrument system capable of intelligently processing the data of the sliding staff, an image processing system is installed on the leveling instrument, and the selected sliding staff comprises sliding staff height data in a bar code or two-dimensional code mode. In the height test, a plurality of height detection values are obtained in a slow shaking mode around the detection point, and then the minimum value of the plurality of height detection values is selected as the final height detection value, so that the most accurate height value can be automatically captured.)

1. A height detection method based on a leveling instrument system capable of intelligently processing height data of a sliding staff is characterized by comprising the following steps:

1) selecting a leveling instrument system capable of intelligently processing the height data of the sliding staff, wherein the leveling instrument system comprises a leveling instrument, the sliding staff and an image processing system, and the leveling instrument is connected with the image processing system;

the sliding staff comprises a sliding staff body (1) and a row of height scale pictures (2) arranged on the side surface of the sliding staff body (1); each height scale picture (2) comprises height data of a corresponding sliding staff; the expression form of the height data of the sliding staff is a bar code or a two-dimensional code;

or the sliding staff comprises a sliding staff body (1) and N rows of height scale pictures (2) arranged on the side surface of the sliding staff body (1); n is the uniform subdivision number of each height unit L of the tower ruler, and is a natural number more than or equal to 2; the height of each height scale picture (2) is smaller than a height unit L of the tower ruler; each height scale picture (2) comprises height data of a corresponding sliding staff; the expression form of the height data of the sliding staff is a bar code or a two-dimensional code; n height scale pictures (2) in the height corresponding to each height unit L are sequentially arranged into inclined rows according to the height data of the corresponding tower ruler, and the height difference between two adjacent height scale pictures (2) is L/N;

2) selecting a detection point, erecting the sliding staff body (1) at the detection point, keeping the lower end of the sliding staff body (1) unmovable, slowly shaking the sliding staff body (1) around the detection point, and acquiring and storing height detection values at the detection point by using a level and an image processing system;

3) selecting the minimum height detection value in all the height detection values at the detection point obtained in the step 2) as the final height detection value of the detection point.

2. The height detection method based on an intelligently processable dipstick height data level system according to claim 1, characterized in that: in step 3), before selecting the minimum height detection value as the final height detection value of the detection point, firstly judging whether all the height detection values at the detection point obtained in step 2) have values far away from the data detection range, if not, selecting the minimum height detection value as the final height detection value of the detection point; if the height detection value exists, the deviation value is removed, and the minimum height detection value in the other detection values is selected as the final height detection value of the detection point; the value far from the detection range of the data refers to a height detection value which is more than 10% away from the average value of all other height detection values.

3. The height detection method based on an intelligently processable dipstick height data level system according to claim 1, characterized in that:

in the step 1), one row of the height scale pictures (2) arranged on the side surface of the tower ruler body (1) or N rows of the height scale pictures (2) arranged on the side surface of the tower ruler body (1) are pictures pasted on the side surface of the tower ruler body (1) or carved on the side surface of the tower ruler body (1).

4. The height detection method based on the intelligent processing sliding staff height data leveling instrument system according to any one of claims 1 to 3, characterized in that in the sliding staff selected in step 1), N rows of height scale pictures (2) are arranged on the side surface of the sliding staff body (1), and the value of N is as follows:

2≤N≤10。

5. the height detection method based on an intelligently processable dipstick height data level system according to claim 4, wherein:

in the step 1), N rows of height scale pictures (2) arranged on the side surface of the tower ruler body (1) are arranged in the selected tower ruler, and the N height scale pictures (2) in the same diagonal row are sequentially arranged in a left-high-right-low mode.

6. The height detection method based on an intelligently processable dipstick height data level system according to claim 5, wherein:

in the step 1), one row of the height scale pictures (2) arranged on the side surface of the tower ruler body (1) or N rows of the height scale pictures (2) arranged on the side surface of the tower ruler body (1) are selected, and the tower ruler height data of each height scale picture (2) is the height corresponding to the bottom edge, the central line or the top edge of the height scale picture (2).

Technical Field

The invention relates to a height detection method, in particular to a height detection method based on a leveling instrument system capable of intelligently processing the height data of a sliding staff.

Background

In modern various construction and construction, the height detection of construction points is more and more, and in the construction of high-speed railways, highways, bridges and tunnels, the height detection of the construction points of each construction point site is hundreds of thousands every day. The accuracy of the height detection data directly influences the quality and progress of a construction project, the requirement on accuracy is high in high-speed railway construction, once the height detection value is inaccurate, the construction quality may not reach the standard, and then huge economic loss is caused to a construction unit. The error of height detection mainly comes from the vertical degree of a leveling instrument tower ruler placed on a detection point. When the verticality of the sliding staff is insufficient due to the fact that the ground is not level, visual contrast is not available or other reasons, the detection value is enlarged. The existing height detection method is usually completed by directly reading the height reading of the leveling instrument tower rod manually, and the vertical degree of the leveling instrument tower rod placed in the detection process may have certain errors, so that the detection value is enlarged.

Disclosure of Invention

The invention aims to solve the technical problem that the detection value is increased when the verticality of a leveling instrument sliding staff arranged on a detection point is insufficient in the conventional height detection method, and provides a height detection method based on a leveling instrument system capable of intelligently processing the height data of the sliding staff.

In order to solve the technical problems, the technical solution provided by the invention is as follows:

a height detection method based on a leveling instrument system capable of intelligently processing the height data of a sliding staff is characterized by comprising the following steps:

1) selecting a level system capable of intelligently processing the data of the sliding staff, wherein the level system comprises a level, the sliding staff and an image processing system, and the level is connected with the image processing system;

the sliding staff comprises a sliding staff body and a row of height scale pictures arranged on the side surface of the sliding staff body; each height scale picture comprises height data of a corresponding tower ruler; the expression form of the height data of the sliding staff is a bar code or a two-dimensional code;

or the sliding staff comprises a sliding staff body and N rows of height scale pictures arranged on the side surface of the sliding staff body; n is the uniform subdivision number of each height unit L of the tower ruler, and is a natural number more than or equal to 2; the height of each height scale picture is smaller than a height unit L of the tower ruler; each height scale picture comprises height data of a corresponding tower ruler; the expression form of the height data of the sliding staff is a bar code or a two-dimensional code; the N height scale pictures in the height corresponding to each height unit L are sequentially arranged into an inclined line according to the height data of the corresponding tower ruler, and the height difference between two adjacent height scale pictures is L/N;

2) selecting a detection point, erecting the sliding staff body at the detection point, keeping the lower end of the sliding staff body not moving, slowly shaking the sliding staff body around the detection point, and acquiring and storing height detection values at a plurality of detection points by using a level gauge and an image processing system;

3) selecting the minimum height detection value in all the height detection values at the detection point obtained in the step 2) as the final height detection value of the detection point.

Further, in step 3), before selecting the minimum height detection value as the final height detection value of the detection point, firstly, judging whether all the height detection values at the detection point acquired in step 2) have values far away from the data detection range, if not, selecting the minimum height detection value as the final height detection value of the detection point; if the height detection value exists, the deviation value is removed, and the minimum height detection value in the other detection values is selected as the final height detection value of the detection point; the value far from the detection range of the data refers to a height detection value which is more than 10% away from the average value of all other height detection values.

Further, in the step 1), one row of the height scale pictures arranged on the side surface of the tower ruler body or N rows of the height scale pictures arranged on the side surface of the tower ruler body are pictures attached to the side surface of the tower ruler body or engraved on the side surface of the tower ruler body.

Further, the height scale picture is carved on the side surface of the tower ruler body.

Further, in the step 1), N rows of height scale pictures are arranged on the side surface of the tower ruler body, wherein the value of N is as follows: n is more than or equal to 2 and less than or equal to 10.

Further, in the step 1), the N rows of height scale pictures arranged on the side surface of the body of the tower ruler are sequentially arranged in a left-high-right-low mode.

Further, in the step 1), one column of the height scale pictures arranged on the side surface of the tower ruler body or N columns of the height scale pictures arranged on the side surface of the tower ruler body are selected, and the tower ruler height data of each height scale picture is the height corresponding to the bottom edge, the central line or the top edge of the height scale picture.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the height detection method based on the leveling instrument system capable of intelligently processing the height data of the sliding staff, the image processing system is installed on the existing leveling instrument, the selected sliding staff comprises the sliding staff body and the height scale picture which is arranged on the side surface of the sliding staff body and contains the height data of the corresponding sliding staff, the expression form of the height data of the sliding staff is a bar code or a two-dimensional code, and the bar code or the two-dimensional code can be read by connecting the leveling instrument with the image processing system. During the height test, the sliding staff body is erected at the detection point, the lower end of the sliding staff body is kept unmovable, the sliding staff body is slowly shaken around the detection point, a plurality of height detection values at the detection point are obtained and stored, the minimum value is taken as the final height detection value of the detection point, the level system used in the height detection method is simple in structure and convenient to use, the final height detection value is selected from the height detection values in a shaking mode, and the most accurate height value can be automatically captured.

2. According to the height detection method based on the intelligent processing sliding staff height data level system, provided by the invention, the plurality of height detection values at the detection point are read after the sliding staff body is slowly shaken in the detection process, so that the detection process is not limited by the inclination of the sliding staff and the terrain.

3. The invention provides a height detection method based on a leveling instrument system capable of intelligently processing the height data of a sliding staff, when a selected sliding staff comprises a sliding staff body and N rows of height scale pictures arranged on the side surface of the sliding staff body, the height of each height scale picture is smaller than a sliding staff height unit L, the expression form of the height data of the sliding staff adopts bar codes or two-dimensional codes, the bar codes or the two-dimensional codes can be read by an image processing system connected with the leveling instrument, N height scale pictures in the height corresponding to each height unit L are sequentially arranged into oblique lines according to the height data of the corresponding sliding staff, and the height difference between two adjacent height scale pictures is L/N, the number of the height scales (the height scale pictures containing the corresponding sliding staff height data) can be increased under the condition that the height range of the sliding staff is not changed, the leveling instrument can observe more height values, so that the height detection precision of the height detection method is improved.

Drawings

Fig. 1 is a schematic view of a structure of a leveling rod based on a leveling rod height data intelligently-processing leveling rod system, wherein a is height data read when the leveling rod is completely vertical to the ground, and a' are height data read when the upper end of the leveling rod inclines left and right respectively;

description of reference numerals:

1-a box staff body and 2-a height scale picture.

Detailed Description

The invention is further described below with reference to the figures and examples.

A height detection method based on a leveling instrument system capable of intelligently processing height data of a sliding staff comprises the following steps:

1) selecting a level system capable of intelligently processing the data of the sliding staff, wherein the level system comprises a level, the sliding staff and an image processing system, and the level is connected with the image processing system;

the sliding staff comprises a sliding staff body 1 and a row of height scale pictures 2 arranged on the side surface of the sliding staff body 1; each height scale picture 2 comprises height data of a corresponding sliding staff; the expression form of the height data of the sliding staff is a bar code or a two-dimensional code;

or the sliding staff comprises a sliding staff body 1 and N rows of height scale pictures 2 arranged on the side surface of the sliding staff body 1; n is a uniform subdivision number of each height unit L of the tower ruler, is a natural number more than or equal to 2, and is preferably more than or equal to 2 and less than or equal to 10; the height of each height scale picture 2 is smaller than the height unit L of the tower ruler; each height scale picture 2 comprises height data of a corresponding sliding staff; the expression form of the height data of the sliding staff is a bar code or a two-dimensional code; the N height scale pictures 2 in the height corresponding to each height unit L are sequentially arranged into inclined rows according to the height data of the corresponding tower ruler, the N height scale pictures 2 in the same inclined row are sequentially arranged in a left-high-right-low mode, and the height difference of two adjacent height scale pictures 2 is L/N;

the column of the height scale pictures 2 arranged on the side surface of the sliding staff body 1 or the N columns of the height scale pictures 2 arranged on the side surface of the sliding staff body 1 are pictures adhered to the side surface of the sliding staff body 1 or carved on the side surface of the sliding staff body 1; and the height data of the sliding staff of each height scale picture 2 is the height corresponding to the bottom edge, the central line or the top edge of the height scale picture 2.

2) Selecting a detection point, erecting the sliding staff body 1 at the detection point, keeping the lower end of the sliding staff body 1 unmovable, slowly shaking the sliding staff body 1 around the detection point, and acquiring and storing height detection values at a plurality of detection points by using a level and an image processing system;

3) judging whether all the height detection values at the detection point obtained in the step 2) have values which deviate from the data detection range to a far extent or not, and if not, selecting the minimum height detection value as the final height detection value of the detection point; if the height detection value exists, the deviation value is removed, and the minimum height detection value in the other detection values is selected as the final height detection value of the detection point; the value far from the detection range of the data refers to a height detection value which is more than 10% away from the average value of all other height detection values.

The invention installs an image processing system on the prior level, directly reads the horizontal height on the sliding staff through image detection, when the sliding staff shakes, the level system capable of intelligently processing the height data of the sliding staff can detect a group of height data with different sizes in a period of time and store the height data (bad values need to be removed, the bad values are height data which are far away from the detection range of the height data), and in the group of height data, the detected height data are minimum only when the sliding staff is completely vertical to the ground (namely the measured height value is minimum when the sliding staff is vertical to the ground), so the minimum value in the group of height data is taken as the height detection value of the detection point. In fig. 1, a is the height data read when the tower ruler is completely vertical to the ground, and a' and a "are the height data read when the upper end of the tower ruler inclines left and right, respectively.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.