WO2014063328A1

WO2014063328A1 - Interconnected multifunctional positioning gauge

Info

Publication number: WO2014063328A1
Application number: PCT/CN2012/083494
Authority: WO
Inventors: 刘雁春
Original assignee: 付建国; 王海亭
Priority date: 2012-10-25
Filing date: 2012-10-25
Publication date: 2014-05-01

Abstract

An interconnected multifunctional positioning gauge comprises a measurement sign pole (1) and a level (2). A satellite positioning receiving module interface (3) is provided at the top of the measurement sign pole (1), and a control module (4) connected to the satellite positioning receiving module interface (3) is provided on the measurement sign pole (1); a communication module (5) is connected to the control module (4), and a measurement terminal (7) is connected to the communication module (5). A sleeve (8) coaxial with the measurement sign pole (1) is slidingly connected at the middle part of the measurement sign pole (1); a lower end of the sleeve (8) is connected to a first axial angle encoder (9); an output of the first axial angle encoder (9) is connected to the control module (4); a radial spindle (10) passing through the axis is also provided on the sleeve (8); a second axial angle encoder (11) and a ranging module (13), a collimation axis of which is perpendicular to the radial spindle, are connected to the radial spindle (10); and the outputs of the second axial angle encoder (11) and the ranging module (13) are connected to the control module (4).

Description

Interconnected multi-function positioning measuring instrument

Technical field

The invention relates to a geographical position measuring device, in particular to a precise positioning by using a satellite locator, and a spatial position transmission through accurate measurement of a slant range, a horizontal angle and a vertical angle, and real-time real-time measurement of regional measurement data. Processing capability, connected multi-function positioning measuring instrument that can improve measurement accuracy and work efficiency.

Background technique

At present, a continuous operation satellite positioning service integrated system established by multi-base station network RTK technology (Continuous Operational Reference System (abbreviated as CORS) has become a hotspot in the development of urban satellite positioning applications, CORS The establishment and application of the city has strongly promoted the construction of digital and informational cities. Depending on the accuracy of the application, users of the CORS system can be divided into surveying and engineering users (cm, decimeter) ), vehicle navigation and positioning users (meter level), high-precision users (after-the-fact processing) and weather users. As a direct high precision application area, CORS It has completely changed the traditional geodetic and engineering measurement methods. For example, traditional triangulation and corner network measurement methods have gradually been replaced by satellite positioning and measurement networks. Traditional theodolites, flat panels, total stations, and rangefinders have gradually been adopted. Replaced by satellite locator. However, based on The precise positioning of CORS has the following shortcomings in the actual measurement application process:

( 1 In the vicinity of forests, tunnels and high-rise buildings, satellite signals are blocked, satellite positioning measurements have blind spots, because satellite locators can only passively give positional coordinate information, without autonomous angle measurement, ranging and autonomous position transmission capability. In particular, it does not have the orientation function, and can not obtain the position coordinate information of the blind spot measurement point, which restricts the application in the engineering support measurement;

(2) In order to complete a terrain, cadastral map or engineering support measurement task, multiple satellite locators are often used simultaneously, as each locator can only Corrosion communication between CORS systems, communication between satellite locators is not possible, and real-time processing and integrated mapping capabilities of regional measurement data are not available, which limits the optimization of measurement operations and the improvement of operational efficiency.

Summary of the invention

The present invention is to solve the above problems existing in the prior art, and to provide a It can use the satellite locator for precise positioning, and can realize the spatial position transmission through the accurate measurement of the slant range, the horizontal angle and the vertical angle, and has the real-time processing capability of the regional measurement data, which can improve the measurement accuracy and work efficiency. Functional positioning gauge.

The technical solution of the invention is: an interconnected multi-functional positioning measuring instrument with a measuring pole and a leveling device, a satellite positioning receiving module interface at the top of the measuring pole, and a satellite positioning receiving module interface on the measuring pole The connected control module has a communication module connected to the control module, and a measurement terminal is connected to the communication module; a sleeve coaxial with the measurement target is slidably connected in the middle of the measurement target, and the lower end of the sleeve and the first shaft angle encoder In connection, the output of the first shaft angle encoder is connected to the control module, and the sleeve is further provided with a radial rotating shaft passing through the axis, and the radial shaft is connected with the second shaft angle encoder and the vertical axis In the distance measuring module of the radial shaft, the output of the second shaft angle encoder is connected to the control module.

The measuring pole is placed in a jacket type fixing frame, and the jacket type fixing frame The utility model has an annular base and a leg connected to the annular base, and at least three transverse top wires which can bear against the measuring rod are arranged on the annular base.

A turret connected to the radial rotating shaft is further disposed outside the sleeve, and the ranging module is fixed on the turret. The turret has two transverse frames connected to the axial end of the radial rotating shaft, and two transverse frames One end is connected with the semi-circular frame with the opening upward, and the other end of the two horizontal frames is connected with the semi-circular frame with the opening downward, and the inner diameter of the semi-circular frame with the opening upward and the semi-circular frame with the opening downward are matched with the outer diameter of the sleeve.

One side of the axially intermediate portion of the sleeve has a connecting side wall, the radial rotating shaft is fixed on the side wall, and the second shaft angle encoder and the distance measuring module are respectively located on the outer side and the inner side of the connecting side wall.

The opposite sides of the axially intermediate portion of the sleeve are provided with connecting side walls, the two ends of the radial rotating shaft are fixed on the side walls, and the second shaft angle encoder and the distance measuring module are respectively located on the inner sides of the two connecting side walls .

The ranging module is a laser or infrared range finder, and a reflective prism is arranged on the measuring rod.

The invention integrates a control module, a satellite positioning receiving module interface, a communication module, a shaft angle encoder and a ranging module into a measuring rod to form a column measuring device, and directly uses satellite positioning in a measuring point where the satellite signal is not blocked. The instrument performs precise positioning; the spatial position transmission is realized by the accurate measurement of the slant distance, the horizontal angle and the vertical angle at the measuring point where the signal is blocked; the number of the columnar measuring device and the measuring terminal in the invention can be flexibly configured (such as one-to-one, One-to-many, many-to-one, many-to-many), using wireless network to form a regional measurement system, with real-time processing of regional measurement data, integrated mapping capabilities, can effectively improve measurement accuracy and work efficiency.

DRAWINGS

1 , 2, 3, and 4 are schematic views of the structure of Embodiment 1 of the present invention.

Fig. 5 is a block diagram showing the circuit principle of the embodiment 1 of the present invention.

Figure 6 is a schematic view showing the structure of Embodiment 2 of the present invention.

Figure 7 is the A-A view of Figure 6.

Figure 8 is a view showing the state of use of Embodiment 2 of the present invention.

Figure 9 is a schematic view showing the structure of Embodiment 3 of the present invention.

Figure 10 is a schematic view showing the structure of a fourth embodiment of the present invention.

detailed description

Example 1

As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , as in the prior art, a cylindrical measuring rod 1 made of carbon fiber, alloy or the like is fixed with a level 2 on the measuring rod 1 and measured. The surface of the benchmark 1 is marked with a scale, the level 2 is selected as a circular level, and the satellite positioning receiving module interface 3 is arranged at the top of the measuring pole 1, and the control module 4 with the ARM processor as the core connected to the satellite positioning receiving module interface 3 is provided. The communication module 5 is connected to the control module 4, and the measurement terminal 7 is connected to the communication module 5 by wire or wirelessly. The communication module 5 can employ a communication module 5 having a Bluetooth adapter, and the measurement terminal 7 can be a smart phone, a palmtop computer or a general-purpose portable computer or the like capable of wired or wireless communication. A sleeve 8 coaxial with the measuring rod 1 is slidably connected in the middle of the measuring rod 1, and a needle bearing with a flange can be connected at the lower end of the sleeve 8, and the sleeve 8 slides with the measuring rod 1 through the needle bearing In contact, the sleeve 8 is rotatable about the measuring rod 1. The flange of the lower end of the sleeve 8 is connected to the first shaft encoder 9. The output of the first shaft encoder 9 is connected to the control module 4, and the sleeve 8 is further provided with a radial shaft passing through the axis. 10. A bushing or bearing may be provided between the radial shaft 10 and the side wall of the sleeve 8, i.e., the radial shaft 10 is rotatable relative to the sleeve 8. The second shaft encoder 11 and the turret 12 outside the sleeve 8 are connected to the radial shaft 10. The output of the second shaft encoder 11 is connected to the control module 4, and is fixed on the turret 12. The quasi-axis is perpendicular to the ranging module 13 of the radial shaft 10. The first shaft angle encoder 9 and the second shaft angle encoder 11 can be selected from a Renishaw absolute circular grating, and the distance measuring module 11 uses a laser ranging sensor, and the entire circuit is powered by a lithium battery pack disposed on the measuring pole 1. . The turret 12 is rotatable with the radial shaft 10, and the structure may be in various forms, preferably as shown in Figures 2, 3 and 4, having two transverse frames 19 connected to the axial end of the radial shaft 10, two transverse frames 19 The end is connected to the upwardly extending semicircular frame 20, the other end of the two transverse frames 19 is connected to the downwardly extending semicircular frame 21, and the inner diameter of the semicircular frame 20 with the opening upward and the semicircular frame 21 with the opening downward are the same as the sleeve. The outer diameter of 8 is matched, and the second shaft encoder 11 and the distance measuring module 13 are respectively placed on the two transverse frames 19. When carrying, the turret 12 can be fastened to the sleeve 8, which occupies a small space and is convenient to carry.

Instructions:

Firstly, the satellite positioning receiving module is installed on the satellite positioning receiving module interface 3, and the satellite positioning receiving module is directly used for precise positioning measurement in the measuring point where the satellite signal is not blocked, and the measured data is performed by the control module 4. The processing is externally transmitted to the measuring terminal 7 through the communication module 5; the measuring terminal 7 can simultaneously realize remote data exchange by using the GPRS through the GSM network, in particular, obtaining the code phase/carrier phase differential correction information data provided by the CORS system, which can realize high-precision real-time dynamics. Positioning

b. In the vicinity of the forest, the tunnel, and the high-rise building, the signal to be measured is blocked, and the satellite positioning receiving module cannot be directly used for the precise positioning measurement. In this case, the present invention 1 Placed in the place where the signal is unobstructed and closest to the point to be measured, observe the level 2, level the measuring rod 1 , determine the azimuth reference, rotate the sleeve 8 and the turret 12 to make the distance measuring module 13 Aligning the point to be measured, using the distance measuring module 13 and the first shaft angle encoder 9 and the second shaft angle encoder 11 to jointly measure the slant distance, the horizontal angle and the vertical angle of the point to be measured, the distance measuring module 13 and the first Shaft angle encoder 9 The second shaft encoder 11 transmits the measured data to the control module 4 and is processed by the control module 4, According to the measured slant distance, horizontal angle and vertical angle between the two points, the geographical position of the point to be measured is derived from the position of the measuring point where the signal is not occluded, and is transmitted to the measurement through the communication module 5 as in the above step a. Terminal 7.

Example 2:

Figure 6 7, the basic structure and circuit principle are the same as in the first embodiment. Different from Embodiment 1, a reflection prism 14 is provided on the measurement target 1, and a 360° reflection prism is used. The measuring rod 1 is placed in a jacket type fixing frame 15, which has an annular base 16 and legs 17 which are connected to the annular base 16, and at least three are arranged on the annular base 16. The transverse top wire 18 of the measuring rod 1 can be supported to facilitate the fixing and leveling of the measuring rod 1.

As shown in Figure 8: There are two cylindrical measuring devices and three measuring terminals 7 , two of which are measuring terminals 7 Using a handheld computer (PDA) with dedicated software and a third measurement terminal 7 using a laptop with dedicated software, using Wi-Fi The network builds a local area wireless measurement work network, which uses a laptop to implement remote data exchange over a 3G network.

Instructions:

a. First, the satellite positioning receiving module is installed on the satellite positioning receiving module interface 3, In the measurement point where the satellite signal is not blocked, the satellite positioning receiving module is directly used for precise positioning measurement, and the specific working process is the same as that in the embodiment 1;

b. In the vicinity of the forest, the tunnel and the high-rise building, the signal is blocked, and the satellite positioning receiving module cannot be directly used for the precise positioning measurement. At this time, the two column measuring devices of the second embodiment of the present invention are respectively placed at the point to be measured and the signal. Unobstructed and closest to the point to be measured, using the distance measuring module and the shaft angle encoder on the two column measuring devices for peer-to-peer bidirectional measurement (peer-to-peer bidirectional observation can improve measurement accuracy and reliability), using two The slant distance, horizontal angle and vertical angle between the columnar measuring devices are accurately derived from the position of the measuring point where the signal is not blocked, and the position of the signal occlusion measuring point is accurately calculated. The specific operation process of the above measurement and data processing is the same as the embodiment. 1 , then send all measured position information to the handheld computer in real time ( PDA On the terminal of the notebook computer, special software is used to optimize the area measurement operation process, and the regional measurement data is synchronously and real-time processed to realize regional integration.

Example 3:

As shown in FIG. 9 , the basic structure and the measuring method are the same as those in the first embodiment. In contrast to the first embodiment, the axially intermediate portion of the sleeve 8 has only one side of the connecting side wall 22 , and the radial rotating shaft 10 passes through the sleeve or The bearing or the like is fixed to the side wall 22 and rotatable relative to the connecting side wall 22, and the second shaft angle encoder 11 and the distance measuring module 13 are respectively located outside and inside the connecting side wall 22.

Implementation 4:

As shown in FIG. 10, the basic structure and the measuring method are the same as those in Embodiment 1. The difference from Embodiment 1 is that the opposite sides of the axially intermediate portion of the sleeve 8 are provided with connecting side walls 22, and both ends of the radial rotating shaft 10 The second shaft angle encoder 11 and the distance measuring module 13 are respectively located inside the two connecting side walls 22 by a sleeve or a bearing or the like.

Claims

An interconnected multi-function positioning measuring instrument has a measuring rod (1) and a leveling device (2), characterized in that: a satellite positioning receiving module interface (3) is arranged at the top end of the measuring rod (1), and the measuring rod is 1) There is a control module (4) connected to the satellite positioning receiving module interface (3), a communication module (5) is connected to the control module (4), and a measuring terminal is connected to the communication module (5) ( 7); a sleeve (8) coaxial with the measuring rod (1) is slidably connected in the middle of the measuring rod (1), and the lower end of the sleeve (8) is connected with the first shaft encoder (9), the first shaft The output of the angular encoder (9) is connected to the control module (4), and the sleeve (8) is further provided with a radial rotating shaft (10) passing through the axis, and a second rotating shaft (10). The shaft angle encoder (11) and the distance measuring module (13) perpendicular to the radial rotating shaft (10), the output and control module of the second shaft angle encoder (11) and the ranging module (13) (4) ) connected.
The interconnected multi-function positioning measuring instrument according to claim 1, characterized in that the measuring rod (1) is placed in a jacket type fixing frame (15), and the jacket type fixing frame (15) has a ring. a base (16) and a leg (17) that is in contact with the annular base (16), and at least three lateral top wires that can bear against the measuring rod (1) are evenly distributed on the annular base (16) ( 18).
The interconnected multi-function positioning measuring instrument according to claim 1 or 2, wherein a turret (12) connected to the radial rotating shaft (10) is further disposed outside the sleeve (8). The distance measuring module (13) is fixed on the turret (12), the turret (12) has two transverse frames (19) connected to the axial end of the radial rotating shaft (9), and one end of the two transverse frames (19) It is connected with the semi-circular frame (20) with the opening upward, the other end of the two transverse frames (19) is connected with the semi-circular frame (21) with the opening downward, the semi-circular frame (20) with the opening upward and the semi-circular frame with the opening downward. The inner diameter of (21) coincides with the outer diameter of the sleeve (8).
The interconnected multi-function positioning measuring instrument according to claim 1 or 2, characterized in that one side of the axially intermediate portion of the sleeve (8) has a connecting side wall (22), and the radial rotating shaft (10) The second shaft angle encoder (11) and the distance measuring module (13) are respectively located on the outer side and the inner side of the connecting side wall (22).
The interconnected multi-function positioning measuring instrument according to claim 1 or 2, characterized in that: the opposite sides of the axial middle portion of the sleeve (8) are provided with connecting side walls (22), the radial rotating shaft (10 The two ends are fixed on the side wall (22), and the second shaft angle encoder (11) and the distance measuring module (13) are respectively located inside the two connecting side walls (22).
The interconnected multi-function positioning measuring instrument according to claim 1 or 2, wherein the distance measuring module (13) is a laser or infrared range finder, and a reflecting prism (14) is arranged on the measuring rod (1). ).