CN210689634U

CN210689634U - Total station RTK (real time kinematic) handbook capable of measuring coordinates and receiving radio station differential signals

Info

Publication number: CN210689634U
Application number: CN201921467423.9U
Authority: CN
Inventors: 杨红林
Original assignee: Qujing Yeyang Surveying And Mapping Technology Co ltd
Current assignee: Qujing Yeyang Surveying And Mapping Technology Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-05
Anticipated expiration: 2029-09-05

Abstract

The total station RTK handbook capable of measuring coordinates and receiving radio station differential signals comprises an RTK handbook and an electronic module; the method is characterized in that a laser range finder module (10) which is provided with a camera and can measure the horizontal distance and the height difference is arranged in an enlarged bottom box (23) of the existing RTK handbook; a novel handbook which is composed of an electronic compass A (14), an electronic compass B (18), an electronic compass C (38) and a radio differential receiving unit (33) and a gyroscope (46) and intersects at a determined angle is installed. Besides the function of the traditional RTK handbook, the system can also receive a base station differential signal from a self-erecting radio station, and measure measuring point coordinates except for an RTK measuring point through laser ranging and azimuth angle measurement, thereby achieving the purpose of simultaneously adopting one RTK point and a plurality of topographical points, and solving the problem that the measurement is difficult or impossible under special conditions such as a deep groove, a cliff and the like. The working efficiency is improved, the labor intensity is reduced, and the safety is higher.

Description

Total station RTK (real time kinematic) handbook capable of measuring coordinates and receiving radio station differential signals

Technical Field

The utility model belongs to a can measure coordinate and receive total powerstation RTK handbook of radio station differential signal.

Background

The satellite positioning RTK is an indispensable instrument in modern engineering measurement, adopts a self-erecting radio station or borrows a network, transmits a dynamic real-time differential signal of a base station to a mobile station receiver, realizes a measuring method for obtaining centimeter-level positioning accuracy in real time in the field, and greatly improves the field operation efficiency due to the appearance of engineering lofting, terrain mapping and various control measurements.

In the existing satellite positioning RTK measuring instrument, a receiving unit of a mobile station receiver for receiving a base station differential signal is arranged in a mobile station antenna head box, the structural form invisibly increases the weight of a mobile station head, because the mobile station head is arranged at the top end of a centering rod for measurement, when the mobile station head works in the field, the torque of holding the centering rod by hand is large due to the weight of the head, people are easy to fatigue, if the mobile station needs to be lifted up, the head is heavy, more labor is needed, the risk of slipping is caused, and from the angle, the lighter the RTK mobile station antenna head is, the better the RTK mobile station antenna head is; in addition, in the existing satellite positioning RTK measuring instrument, at each point to be measured, a measurer must carry the instrument to measure at the measuring point in person, and then can acquire measurement data, and if people cannot go to a river channel, a deep groove, a cliff or a forest or a corner without enough satellite signals in a shielding manner, the measurement is difficult or impossible.

Disclosure of Invention

The utility model aims at providing a can measure coordinate and receive total powerstation RTK hand book of radio station differential signal, this hand book can also receive the radio station differential signal and measure coordinate, elevation except having conventional RTK hand book function to solve the problem that current satellite positioning RTK measuring instrument can not acquire the topographic point beyond the RTK measurement station in using.

The technical scheme is as follows:

the total station RTK handbook capable of measuring coordinates and receiving radio station differential signals comprises an RTK handbook and an electronic module; a laser range finder module which is provided with a camera and can measure the horizontal distance and the height difference is arranged in the enlarged bottom box of the existing RTK handbook; the novel handbook is provided with a novel handbook which is composed of two or more than two electronic compasses A, an electronic compass B, an electronic compass C or a gyroscope and a radio station differential receiving unit, wherein the electronic compasses A, the electronic compass B, the electronic compass C or the gyroscope and the radio station differential receiving unit are used for measuring azimuth angles and intersect to form a determined angle.

The enlarged existing RTK bottom box is a laser range finder module which can be used for installing a camera and measuring the horizontal distance and the height difference by increasing the width or the length of the existing RTK bottom box; two or three electronic compasses, a radio station differential receiving unit, a gyroscope and other devices can be installed.

And a laser range finder for measuring the horizontal distance and the height difference is arranged at the front end in the cavity of the total station RTK bottom box.

And a radio station difference unit for receiving a radio station base station difference signal is arranged in the cavity of the total station RTK bottom box.

An electronic compass and an electronic compass which are used for measuring an azimuth angle are arranged in a cavity of the total station RTK bottom box in a mutually perpendicular mode.

An electronic compass used for measuring an azimuth angle and installed in the bottom box of the total station RTK handbook can be combined by 3 electronic compasses A, B and C according to the requirement of precision in a crossed mode at 120 degrees.

The 2 or 3 azimuth angle data measured by the electronic compass A, the electronic compass B and the electronic compass C which are arranged vertically or in a 120-degree crossed combination mode and are used for measuring the azimuth angle are used for resolving coordinate data, and the mutual difference value is displayed on a screen and used for monitoring the relative accuracy of a measuring point.

A gyroscope installed in the cavity of the bottom box of the total station RTK pad is another way to measure the azimuth.

The specific constitution mode is as follows: a display screen and keys are inlaid on an upper cover of the existing rectangular RTK handbook; a laser range finder which is provided with a camera and can measure the horizontal distance and the height difference is arranged at the left front end in the bottom box below the upper cover through a screw; two high-precision electronic compasses or gyroscopes which are used for measuring an azimuth angle and are mutually perpendicular or three high-precision electronic compasses or gyroscopes which are arranged in a crossed way at 120 degrees are fixedly arranged in the middle of the left half part in the bottom box through screws; the battery for providing power for the handbook is adhered to the lower end in the bottom box by double-sided adhesive tape; a radio station differential unit for receiving a radio station differential signal is fixedly arranged in the middle of the right half part in the bottom box through a screw, the bottom of an internal pull type receiving antenna is fixed through the screw and is connected with the radio station differential unit through a wire, the other end of the antenna is embedded and arranged on an outer shell at the right front end of the bottom box, and the antenna can be pulled out and elongated; the RTK mainboard passes through the fix with screw at end box right front end.

The use method comprises the steps that the total station RTK handbook manufactured according to the method, the total station RTK consisting of the centering rod and the antenna handpiece, firstly, the coordinate XaYaZa of a certain measuring point A can be measured and stored through the total station RTK in the same way as the existing RTK measuring method, the RTK measuring function is transferred to the coordinate measuring function of the handbook on the total station RTK handbook, the horizontal distance D from the point A to the point B of the other measuring point and the height difference h are measured through a laser range finder on the total station RTK handbook, the azimuth angle α is measured through a compass, the coordinate increment △ x △ y △ z from the point A to the point B can be obtained through mathematical calculation, the initial coordinate XaYaZa of the point A is added, and the coordinate XbZb of the unknown point B is obtained.

When the distance, the height difference and the azimuth angle are measured, if the target cannot be seen clearly, the camera of the laser range finder can be drawn to enlarge and observe. Two sets of square angle data of laser beams of the laser range finder can be measured by using two electronic compasses which are arranged in a crossed manner at 90 degrees, and two sets of coordinate data are solved; three sets of square angle data of laser beams of the laser range finder can be measured by adopting a mode of intersecting three electronic compasses arranged at 120 degrees, and three sets of coordinate data are calculated. And the solved multiple groups of coordinate data are subjected to adjustment calculation to obtain coordinate data with higher precision than that of the single group of data, and the difference value of the XYZ coordinate values is displayed on a screen and used for monitoring the relative precision of the measuring points.

Theoretically, if the compass does not suffer from magnetic field interference, the compass works normally, the difference value of XYZ coordinates is 0 under the condition of neglecting manufacturing errors, if the difference value is large, the precision range is exceeded, the current measurement requirement cannot be met, and the total station RTK handbook can be rotated around the 8-shaped book for several times for re-measurement until the requirement is met.

Two electronic compasses A and electronic compass B that fork becomes 90 degrees installations, the point coordinate value after the adjustment is: x = (Xa + Xb)/2, Y = (Ya + Yb)/2, Z = (Za + Zb)/2, XYZ is displayed at the lower left of the phonebook display screen; the mutual difference value sigma x = Xa-Xb, sigma y = Ya-Yb, sigma z = Za-Zb, and the mutual difference value sigma x sigma y sigma z is displayed at the lower right of the notebook display screen; three electronic compasses A, electronic compass B and electronic compass C that intersect and become 120 degrees installations, the point coordinate value after the adjustment is: x = (Xa + Xb + Xc)/3, Y = (Ya + Yb + Yc)/3, Z = (Za + Zb + Zc)/3, XYZ is displayed in the lower left of the phonebook display screen; the difference σ x1= Xa-Xb, σ y1= Ya-Yb, σ z1= Za-Zb; the difference σ x2= Xa-Xc, σ y2= Ya-Yc, σ z2= Za-Zc; the mutual difference value σ x1 σ y1 σ z1 is displayed in the lower middle of the handbook display screen; the difference σ x2 σ y2 σ z2 is displayed at the lower right of the phonebook display screen.

The azimuth angle α = δ + β measured by the compass, δ is the current electronic compass reading, β is the difference between the actual azimuth angle of the laser axis of the laser range finder measured before the total station RTK handbook leaves the factory and the reading of the electronic compass, and the calculation process is completed in the handbook through software.

If the gyroscope is used for measuring the azimuth angle, the using method is the same as the above, firstly, the coordinate XaYaZa of a certain measuring point A is measured through the RTK and stored, the RTK measuring function is transferred to the coordinate measuring function of the total station RTK handbook, the horizontal distance D from the point A to the point B of another measuring point, the height difference h and the gyroscope measuring azimuth angle α are measured through the laser range finder on the total station RTK handbook, the coordinate increment △ x △ y △ z from the point A to the point B can be obtained through mathematical calculation, and the initial coordinate XaYaZa of the point A is added to obtain the coordinate YbZb of the unknown point B.

By analogy, the coordinates of other points can be measured, the RTK at the point A is still in place, and the purpose of simultaneously adopting one RTK point and a plurality of topographical points is achieved.

The total station RTK handbook which can measure coordinates and receive a radio station differential signal is manufactured in the above mode, a base station differential signal transmitted by a radio station is received through a radio station differential unit arranged in the handbook, a mobile station head on an RTK centering rod is matched to obtain coordinates of a measuring point, the measuring point is used as a measuring station, a laser range finder arranged in the handbook and two or three electronic compasses which are arranged in a crossed mode are used for obtaining the horizontal distance, the height difference and the azimuth angle of the measuring point outside the measuring station, and finally the coordinates of the measuring point outside the RTK measuring point are calculated.

In the practical use of terrain measurement, compared with the traditional RTK, the total station RTK can acquire more than 3 rows of terrain points by measuring one row of RTK points, the working efficiency is improved by more than 3 times, the labor intensity is only 1/3 of the traditional RTK measurement, and the problems that a measurer cannot go to a measuring point and cannot acquire points under special conditions of river channel bank alignment, deep groove, cliff and the like are well solved; in forests and wall corners with shelters and without enough satellite signals, points can be collected at places with signals, and the places without signals are measured in a short distance; and short-distance lead measurement mapping can be performed in the forest.

Drawings

Fig. 1 is a schematic diagram of an upper cover of a total station RTK handbook.

Fig. 2 is a schematic diagram of the components of each unit in a total station RTK handset cassette using two electronic compasses.

Fig. 3 is a block diagram of a total station RTK handbook employing three electronic compasses.

FIG. 4 is a position diagram of a total station RTK handbook coordinate cross-correlation on a display screen.

Fig. 5 is a schematic diagram of the components of each unit in the total station RTK bottom box for measuring the azimuth angle by using a gyroscope.

Detailed Description

The technical solution is specifically described below as an example with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses full-station RTK rectangle handbook upper cover 3's front end trompil is inlayed and is installed handbook display screen 1, and display screen 1 inserts in mainboard slot G28 through winding displacement G4 for information such as the various data of demonstration RTK measurement, file and measuring state. The rear end is provided with a hole for embedding and gluing a handbook key group 2, and the handbook key group 2 is inserted into the main board slot H29 through a flat cable H5 and is used for inputting characters such as numbers, letters, symbols and the like into the handbook.

Referring to fig. 2, the laser range finder module 10 having a camera and capable of measuring horizontal distance and height difference is fixedly installed at the left front end in the total station RTK notebook bottom box 23 through a 4-screw a9, and the laser range finder module 10 is inserted into the motherboard slot a12 through a flat cable a 11; the laser ranging head 7 is embedded in the opening 6 at the left front end of the shell of the bottom box; the middle position of the left half part in the bottom box is fixedly provided with two high-precision electronic compasses A14 and an electronic compass B18 which are used for measuring an azimuth angle and mutually intersect to form a 90-degree angle through 8 screws B13 and C17, and the electronic compass A14 is inserted into a main board slot B16 through a flat cable B15; the electronic compass B18 is inserted into the main board slot C20 through the flat cable C19; the battery 22 is fixed on the double-faced adhesive tape at the lower end in the bottom box and is welded on the main board 27 through a lead A21 to provide power for the handbook; a radio station differential unit 33 for receiving a radio station differential signal is fixedly arranged in the middle of the right half part in the bottom box through a screw E32 and is inserted into a main board slot E30 through a flat cable E31; the bottom 37 of the built-in pull-out antenna 35 of the radio differential unit 33 is fixed by a screw F36 and is connected with the radio differential unit 33 through a lead B34; the other end of the pull type antenna 35 is embedded on the shell 24 at the right front end of the bottom box, and the antenna head 25 can be drawn out and elongated; the RTK main board 27 is fixed at the front right end of the bottom box through 4 screws G26. The total station RTK handbook upper cover 3 covers the

bottom box

23, 4 screws penetrate through 4 bottom box mounting holes 8 on the bottom box, and the total station RTK handbook upper cover 3 and the bottom box 23 are connected into a whole.

Referring to fig. 3, the middle position of the left half portion in the total station RTK handbook bottom box 23 of the present invention is fixedly provided with three high-precision electronic compasses a14, an electronic compass B18 and an electronic compass C38 which are mutually crossed to form 120 degrees and used for measuring an azimuth through 12 screws B13, screws C17 and screws H39, and the electronic compass a14 is inserted into the main board slot B16 through a flat cable B15; the electronic compass B18 is inserted into the main board slot C20 through the flat cable C19; the electronic compass C38 is inserted into the motherboard slot F41 via the flat cable F40. The other devices are mounted in the same manner as described in fig. 2.

Referring to fig. 4, the utility model discloses total station RTK handbook coordinate measurement function, the coordinate XbYbZb of the unknown point B point that records shows in the lower left corner 44 of display screen 1. The mutual difference σ x1 σ y1 σ z1 is displayed in the middle-lower 43 of the album display screen 1; the mutual difference σ x2 σ y2 σ z2 is displayed at the lower right 42 of the phonebook display screen 1.

Referring to fig. 5, the total station RTK bottom case 23 for measuring azimuth using a gyroscope is mounted with a gyroscope 46 for azimuth measurement fixed by 4 screws I45 and inserted into slot I48 of the main board 27 by a flat cable I47.

According to the mode, the measuring instrument with more functions and stronger adaptability can be manufactured on the basis of the existing RTK handbook. Besides the function of the traditional RTK handbook, the system can also receive a base station differential signal from a self-erecting radio station, and measure measuring point coordinates except for an RTK measuring point through laser ranging and azimuth angle measurement, thereby achieving the purpose of simultaneously adopting one RTK point and a plurality of topographical points, and solving the problem that the measurement is difficult or impossible under special conditions such as a deep groove, a cliff and the like. The working efficiency is improved, the labor intensity is reduced, and the safety is higher.

Claims

1. The total station RTK handbook capable of measuring coordinates and receiving radio station differential signals comprises an RTK handbook and an electronic module; the method is characterized in that a laser range finder module (10) which is provided with a camera and can measure the horizontal distance and the height difference is arranged in an enlarged bottom box (23) of the existing RTK handbook; a novel handbook which is composed of an electronic compass A (14), an electronic compass B (18), an electronic compass C (38) and a radio differential receiving unit (33) and a gyroscope (46) and intersects at a determined angle is installed.

2. The total station RTK hand book capable of measuring coordinates and receiving station differential signals according to claim 1, characterized in that a laser range finder module (10) for measuring level and elevation difference is installed at the front end in the cavity of the total station RTK hand book bottom box (23).

3. The total station RTK hand book capable of measuring coordinates and receiving station differential signals according to claim 1, characterized in that a station differential receiving unit (33) for receiving station base station differential signals is mounted within a cavity of a total station RTK hand book bottom box (23).

4. The total station RTK handbook capable of measuring coordinates and receiving station differential signals as claimed in claim 1, characterized in that an electronic compass a (14) and an electronic compass B (18) for measuring azimuth angles are mounted in a mutually perpendicular manner within the cavity of the total station RTK handbook bottom box (23).

5. The total station RTK handbook capable of measuring coordinates and receiving station differential signals as claimed in claim 1, wherein said electronic compass mounted in the total station RTK handbook bottom case for measuring azimuth angle can be cross-combined at 120 degrees using 3 electronic compasses a (14), B (18) and C (38) depending on the accuracy requirement.

6. The total station RTK hand book capable of measuring coordinates and receiving station differential signals according to claim 1, characterized in that a gyroscope (46) for measuring azimuth is mounted within the cavity of the total station RTK hand book bottom box (23).