CN-122015765-A - Leveling system and leveling method

CN122015765ACN 122015765 ACN122015765 ACN 122015765ACN-122015765-A

Abstract

The application provides a leveling system and a leveling method. The leveling system comprises a leveling instrument, a front view rule, a rear view rule, two view rule modules and a leveling instrument module, wherein the view rule modules and the leveling instrument module have the same hardware structure, the front view rule and the rear view rule are respectively arranged on two sides of the leveling instrument, the two view rule modules are respectively arranged on the front view rule and the rear view rule, the leveling instrument module receives distance information and height information sent by the view rule module, combines the distance information and the height information acquired by the leveling instrument module, determines the horizontal distance and the height difference among the leveling instrument, the front view rule and the rear view rule after calibration, sends the horizontal distance and the height difference to the view rule module, and gives an alarm if the horizontal distance and the height difference meet preset alarm conditions. According to the application, the front and rear vision ruler and the level gauge can be effectively laid for a small number of times according to the alarm prompt, the operation efficiency is improved, and meanwhile, the calculated horizontal distance or height difference error is prevented from being increased due to long-time operation through calibrating the data.

Inventors

BAI ZHIYONG
YANG JUN
DU ZHIGANG
GUO ZHIGUANG
YU ZHIQIANG
YANG XINYU

Assignees

中铁一局集团第五工程有限公司
中铁一局集团有限公司
上海太博智创科技有限公司
苏州中德睿博智能科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260209

Claims (10)

1. The leveling system is characterized by comprising a leveling instrument, a front view ruler, a rear view ruler, two view ruler modules and a leveling instrument module, wherein the view ruler module and the leveling instrument module have the same hardware structure, the front view ruler and the rear view ruler are respectively arranged on two sides of the leveling instrument, the two view ruler modules are respectively arranged on the front view ruler and the rear view ruler, the leveling instrument module is arranged on the leveling instrument, and the view ruler module is in communication connection with the leveling instrument module; The leveling instrument module receives the distance information and the height information sent by the two vision ruler modules, combines the distance information and the height information acquired by the leveling instrument module, and determines the horizontal distance and the height difference among the leveling instrument, the front vision ruler and the rear vision ruler after calibration; The level gauge module sends the horizontal distance and the elevation difference to the two vision ruler modules; And if the horizontal distance and/or the elevation difference meet preset alarm conditions, the level gauge module and/or the vision rule module alarms.
2. The leveling system according to claim 1, wherein the scale module and the level module comprise a ranging module for measuring distance data between themselves and other targets, a height measuring module for measuring height data of the positions of themselves, a communication module for transmitting the distance data and the height data to the communication targets, and a parameter calibration module for calibrating the distance data and/or the height data.
3. The leveling system of claim 2, wherein the ranging module comprises a wireless two-way ranging module and a wireless two-way ranging antenna coupled to the wireless two-way ranging module, the altitude measuring module is configured as a barometer and a thermometer, and the parameter calibration module comprises a satellite positioning receiver and a satellite positioning antenna coupled to the satellite positioning receiver.
4. The leveling system of claim 3 wherein the level module receives distance information and height information transmitted by the two vision ruler modules, and in combination with the distance information and the height information collected by the level module, determines a horizontal distance and a height difference between the level, the front vision ruler and the rear vision ruler after calibration, comprising: The leveling instrument module receives air pressure information and temperature information sent by the two vision rule modules, and determines the elevation difference between the leveling instrument module and the vision rule module by combining the air pressure information and the temperature information acquired by the leveling instrument module and preset barometer error parameters; The leveling instrument module acquires distance information between the leveling instrument module and the vision rule module through the wireless two-way ranging module; And the level gauge module is used for determining the horizontal distance between the level gauge module and the vision ruler module according to the elevation difference and the distance information.
5. The leveling system of claim 4 wherein the leveling instrument module receives distance information and height information transmitted by the two vision ruler modules, and further comprises, before determining the horizontal distance and elevation difference between the leveling instrument, the front vision ruler and the rear vision ruler after calibration in combination with the distance information and the height information acquired by the leveling instrument module: and the level gauge module and the two vision ruler modules are electrified, and the barometer calibration is completed through the parameter calibration module.
6. The leveling system of claim 5, wherein the barometer calibration comprises: The level gauge module and the two vision rule modules detect that the satellite positioning receiver enters a dynamic carrier phase differential positioning mode; the leveling instrument module receives the calibrated air pressure information and the calibrated temperature information sent by the two vision rule modules; the level gauge module obtains three-dimensional relative coordinates of the two vision ruler modules relative to the level gauge module through the satellite positioning receiver; And the level gauge module determines the barometer error parameter according to the calibrated air pressure information, the calibrated temperature information and the three-dimensional relative coordinates, and sends the barometer error parameter to the two vision rule modules.
7. The leveling system of claim 6, wherein the level module is configured as a base station for dynamic carrier phase differential positioning.
8. The leveling system according to any one of claims 1-7, wherein the scale module and the level module further comprise a display screen for displaying the horizontal distance and/or the elevation difference.
9. A leveling method for use with a leveling system according to any one of claims 1-8, the method comprising: Receiving distance information and height information sent by the two vision rule modules, combining the distance information and the height information acquired by the two vision rule modules, and determining the horizontal distance and the height difference among the level gauge, the front vision rule and the rear vision rule after calibration; the horizontal distance and the elevation difference are sent to the two vision ruler modules; and if the horizontal distance and/or the elevation difference meet the preset alarm condition, alarming.
10. The leveling method according to claim 9, wherein the receiving the distance information and the height information sent by the two vision ruler modules, in combination with the distance information and the height information collected by the two vision ruler modules, determines the horizontal distance and the height difference among the leveling instrument, the front vision ruler and the rear vision ruler after calibration, and includes: receiving air pressure information and temperature information sent by the two vision rule modules, and determining the elevation difference of the level gauge module and the vision rule module by combining the air pressure information and the temperature information acquired by the two vision rule modules and preset barometer error parameters; acquiring distance information between the wireless two-way distance measuring module and the vision rule module through the wireless two-way distance measuring module; And determining the horizontal distance between the video rule module and the video rule module according to the elevation difference and the distance information.

Description

Leveling system and leveling method Technical Field The disclosure relates to the technical field of engineering measurement, in particular to a leveling system and a leveling method. Background Electronic level is a commonly used field survey and mapping device. The typical leveling instrument measuring system comprises a leveling instrument, a front (indium steel) ruler and a rear (indium steel) ruler, when measuring and mapping, the position relationship between the leveling instrument and the front and rear ruler is shown in fig. 1, and the leveling instrument, the front ruler and the rear ruler are continuously moved by an operator to realize multipoint measuring and mapping. In order to ensure measurement accuracy, it is generally required that the distance between the front ruler and the leveling instrument, the distance between the rear ruler and the leveling instrument are not more than 50 meters and the difference in elevation is not more than 1 meter when measuring and mapping. However, when the staff moves the leveling instrument, the front ruler and the rear ruler in the field operation process, the distance and the elevation difference are often out of tolerance due to lack of prompt in the movement process, so that one-time effective measurement and mapping are finished, and the leveling instrument, the front ruler and the rear ruler are required to be moved for many times. When the air pressure gauge works for a long time, due to the fact that the temperature of the air pressure gauge is different, the error characteristics of the air pressure gauge working for a long time are also different, the height difference measurement error of the die assembly is larger and larger, the horizontal distance error is influenced, and the requirements on the height difference and the distance precision cannot be met. Disclosure of Invention The present disclosure provides a leveling system and method that avoids a long-term operation from causing a large error in the calculated horizontal distance or height. In a first aspect, a leveling system includes a level, a front view rule, a rear view rule, two view rule modules and a level module, the view rule modules and the level module have the same hardware structure, the front view rule and the rear view rule are respectively arranged on two sides of the level, the two view rule modules are respectively arranged on the front view rule and the rear view rule, the level module is arranged on the level, and the view rule modules are in communication connection with the level module; The leveling instrument module receives the distance information and the height information sent by the two vision ruler modules, combines the distance information and the height information acquired by the leveling instrument module, and determines the horizontal distance and the height difference among the leveling instrument, the front vision ruler and the rear vision ruler after calibration; The level gauge module sends the horizontal distance and the elevation difference to the two vision ruler modules; And if the horizontal distance and/or the elevation difference meet preset alarm conditions, the level gauge module and/or the vision rule module alarms. According to the leveling system, the front and rear vision ruler and the leveling instrument can be effectively laid for a small number of times or even a single time only according to the alarm prompt, the moving times of the front and rear vision ruler and the leveling instrument are greatly reduced, and the operation efficiency is improved. In addition, the accuracy of the determined horizontal distance and elevation difference is improved by calibrating the distance information and the elevation information. Optionally, the vision rule module and the leveling instrument module comprise a ranging module, a height measuring module, a communication module and a parameter calibration module, wherein the ranging module is used for measuring distance data between the vision rule module and other targets, the height measuring module is used for measuring height data of the position of the vision rule module and other targets, the communication module is used for sending the distance data and the height data to the communication targets, and the parameter calibration module is used for calibrating the distance data and/or the height data. Optionally, the ranging module comprises a wireless two-way ranging module and a wireless two-way ranging antenna connected with the wireless two-way ranging module, the altitude measuring module is designed to be a barometer and a thermometer, and the parameter calibration module comprises a satellite positioning receiver and a satellite positioning antenna connected with the satellite positioning receiver. Optionally, the level module receives distance information and altitude information sent by the two vision rule modules, combines distance information and altitude information acquired by th