CN210109339U

CN210109339U - RTK big dipper satellite geodetic surveying appearance

Info

Publication number: CN210109339U
Application number: CN201920736626.7U
Authority: CN
Inventors: 杨进
Original assignee: Nanjing Guangyou Electronic Technology Co Ltd
Current assignee: Nanjing Guangyou Electronic Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-21
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a RTK big dipper satellite geodetic surveying appearance relates to the relevant field of geodetic survey, through improving the exterior structure, operating personnel's use comfort level improves when going out to measure, can adapt to external environment, and internal element can satisfy the needs that combine with big dipper navigation system correlation technique. The big dipper satellite and the equal bidirectional connection of rover and reference station, the rover includes RTK mobile station and intelligent handbook, the intelligence handbook includes NFC chip and handbook bluetooth module, and NFC chip and handbook bluetooth module bidirectional connection, the RTK mobile station includes built-in NFC induction zone of RTK mobile station, big dipper module and mobile station bluetooth module, built-in NFC induction zone of RTK mobile station and mobile station bluetooth module bidirectional connection, the RTK mobile station still includes storage module, interface module, DP83848I ethernet chip, power conversion module and STM32F407VGT6 core controller, big dipper module and STM32F407VGT6 core controller bidirectional connection.

Description

RTK big dipper satellite geodetic surveying appearance

Technical Field

The utility model relates to a geodetic survey related field specifically is a RTK big dipper satellite geodetic survey appearance.

Background

With the publication of the relevant technical documents of the Beidou navigation system, the China Beidou navigation industry formally enters a new stage of globalization of the satellite navigation system, and more technologies use the Beidou navigation system to perfect the functions of the Beidou navigation system. The method comprises a real-time dynamic positioning technology, a high-precision mobile navigation positioning technology based on a real-time processing carrier phase observation value and a communication technology, and a novel common global positioning measurement method, wherein a GPS receiver is placed at a position with known space coordinate accurate position as a reference station, and a rover receiver of a coordinate position to be measured synchronously observes all visible satellites. The RTCM difference correction data including the accurate coordinate or carrier phase observation value of the reference station is transmitted to the rover station through wireless broadcast equipment, the rover station receiver combines the correction data information from the reference station and the observation information received by the rover station receiver from the same group of satellites into a difference observation value, then the accurate space coordinate of the rover user receiver is obtained through a baseline resolving method to carry out real-time positioning, namely, geodetic surveying is completed through the Beidou navigation system related technology.

The existing geodetic surveying instrument is in an initial research and development stage, the external use function of the device is not perfect, the mobile installation is not convenient, the connection relation between a handbook and a mobile station is not perfect when the geodetic surveying instrument is used, and the internal electronic component equipment needs to be changed due to the combination with the relevant technology of a Beidou navigation system; therefore, the market urgently needs to develop an RTK Beidou satellite geodetic surveying instrument to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a RTK big dipper satellite geodetic surveying appearance through improving the exterior structure, and operating personnel's use comfort improves when going out to measure, can adapt to external environment, and the inner member can satisfy the needs that combine with big dipper navigation system correlation technique.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a RTK big dipper satellite geodetic survey appearance, includes RTK mobile station and big dipper satellite, the centre of terminal surface upper end is provided with the built-in NFC induction zone of RTK mobile station before the RTK mobile station, the handbook fixed bolster is installed to the centre of terminal surface before the RTK mobile station, and handbook fixed bolster and RTK mobile station eccentric fixation.

Preferably, big dipper satellite and the equal bidirectional connection of rover and reference station, the rover includes RTK mobile station and intelligent hand book, the intelligent hand book includes NFC chip and hand book bluetooth module, and NFC chip and hand book bluetooth module bidirectional connection, the RTK mobile station includes built-in NFC induction zone of RTK mobile station, big dipper module and mobile station bluetooth module, built-in NFC induction zone of RTK mobile station and mobile station bluetooth module bidirectional connection.

Preferably, the centre of RTK mobile station lower extreme is provided with adapter sleeve, and adapter sleeve and RTK mobile station welded connection, adapter sleeve includes the triangle breach, adapter sleeve's lower extreme is provided with the spring, the lower extreme of spring is provided with the retainer plate, the retainer plate includes the connection piece, the lower extreme of retainer plate is provided with locking screw, one side in the locking screw outside is provided with the dwang, locking screw's opposite side is provided with lock nut.

Preferably, the connection outer sleeve is installed to adapter sleeve's lower extreme, one side of connecting the outer sleeve is provided with the rocker, the lower extreme of connecting the outer sleeve is provided with the revolving stage, the lower extreme of revolving stage is provided with the fixed station, the centre of fixed station lower extreme is provided with the silica gel hemisphere, the lower extreme of silica gel hemisphere is provided with the bottom plate, the lower extreme of bottom plate is provided with the backing plate, the fixed station passes through adjusting nut and threaded post with the bottom plate and is connected, adjusting nut and the centre that is fixed in the threaded post outside.

Preferably, the lower extreme of adapter sleeve is provided with inserts the ground pole, insert and install auxiliary telescopic rod on the ground pole, auxiliary telescopic rod with insert the ground pole and pass through the damping pivot and be connected, auxiliary telescopic rod is the closed angle with the lower extreme of inserting the ground pole.

Preferably, the bearing is installed in the middle of the fixed station, be provided with rotary damper on the bearing, the outside of fixed station is provided with the engaging lug, and the engaging lug is provided with threely.

Preferably, the RTK mobile station still includes storage module, interface module, DP83848I ethernet chip, power conversion module and STM32F407VGT6 core controller, big dipper module and STM32F407VGT6 core controller both way junction, STM32F407VGT6 core controller and mobile station bluetooth module both way junction, STM32F407VGT6 core controller respectively with storage module and interface module both way junction, the output of DP83848I ethernet chip is connected with the input of the built-in NFC induction zone of RTK mobile station, intelligence handbook still includes microprocessor and handbook wireless communication module, and microprocessor respectively with handbook bluetooth module and handbook wireless communication module both way junction.

Preferably, the handbook fixed bolster includes half mounting on a left side, half mounting on a right side, extension spring and little telescopic structure, and half mounting on a left side and half mounting on a right side pass through extension spring and little telescopic structure and connect, all are provided with the recess on half mounting on a left side and the half mounting on a right side, and extension spring and little telescopic structure set up in the recess.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the built-in NFC induction zone of the RTK mobile station can carry out the connection of equipment through the NFC function, the connection speed is faster without manual connection, the measurement time of the mobile station is reduced, the time cost is greatly reduced, wherein the hand book fixing bracket and the RTK mobile station are eccentrically fixed, the built-in NFC induction zone of the laminating RTK mobile station with better upper end of the intelligent hand book is free from shell obstruction, and the connection precision is high;

2. in the utility model, a connecting sleeve is arranged in the middle of the lower end of the RTK mobile station, threads are arranged in the connecting sleeve, a lower end supporting structure is screwed in through the threads, the installation and the disassembly are more convenient, each part is disassembled to move during the movement, and different supporting structures can be selected by the lower end according to the area environment where the mobile station is located;

3. in the utility model, the rocker is embedded into the groove of the connecting sleeve part, and when the rocker rotates, the lug on the piston rod is meshed with the connecting sleeve part to stretch up and down, so as to complete lifting, the rotary table is embedded with the level gauge, and the screw thread column moves up and down between the fixed table and the bottom plate by rotating the adjusting nut as the fixed table is connected with the bottom plate through the adjusting nut and the screw thread column, so that the level of the RTK mobile table is kept;

4. in the utility model, the ground inserting rods are directly inserted into the wet soft soil pavement to keep stable, and three auxiliary telescopic rods are used for assisting the support of the hard pavements such as cement pavements and the like, so that the stability is just kept;

5. in the utility model, the bearing makes the rotating platform at the upper end of the fixed station have a supporting effect and do not obstruct the rotation, and the rotating damper is arranged on the bearing to make the rotation have a certain obstruction and not over-rotate, thus avoiding the inaccurate measurement of the distance precision caused by the rotation;

6. in the utility model, STM32F407VGT6 core controller 39 is used, single-cycle DSP instruction system and FPU function are configured, high-performance digital signal processing capability is provided, code execution efficiency can be improved, research and development cycle is shortened, and the main frequency is 168MHz, and excellent control technology and advanced digital signal processing technology are provided;

7. the utility model discloses an in, extension spring has the reaction effect, keeps the distance between half mounting on the left side and the half mounting on the right side stable, makes tighter of centre gripping, all is provided with the recess on half mounting on the left side and the half mounting on the right side, extension and retraction and movement distance.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a front view of another embodiment of the present invention;

fig. 3 is an exploded view of the present invention at a;

fig. 4 is a top view of the fixing table of the present invention;

fig. 5 is the utility model discloses a RTK big dipper satellite geodetic surveying appearance's working principle diagram.

In the figure: 1. an RTK mobile station; 2. an NFC induction area is arranged in the RTK mobile station; 3. a handbook fixing bracket; 4. connecting an outer sleeve; 5. a rocker; 6. a rotating table; 7. a fixed table; 8. adjusting the nut; 9. A threaded post; 10. a silica gel hemisphere; 11. a base plate; 12. a base plate; 13. a ground inserting rod; 14. an auxiliary telescopic rod; 15. a spring; 16. a stationary ring; 17. connecting sheets; 18. locking the screw rod; 19. locking the nut; 20. rotating the rod; 21. connecting a sleeve; 22. a triangular notch; 23. connecting lugs; 24. a bearing; 25. a rotary damper; 26. a Beidou module; 27. a storage module; 28. an interface module; 29. DP83848I ethernet chip; 30. an intelligent handbook; 31. a Beidou satellite; 32. a reference station; 33. an NFC chip; 34. a Bluetooth module of the handbook; 35. a microprocessor; 36. a handbook wireless communication module; 37. a rover station; 38. a mobile station Bluetooth module; 39. STM32F407VGT6 core controller; 40. And a power supply conversion module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides an embodiment: the utility model provides a RTK big dipper satellite geodetic surveying appearance, including RTK mobile station 1 and big dipper satellite 31, the centre of terminal surface upper end is provided with the built-in NFC induction zone 2 of RTK mobile station before the RTK mobile station 1, can carry out the connection of equipment through the NFC function, do not need manual connection, connection speed is faster, handbook fixed bolster 3 is installed to the centre of terminal surface before the RTK mobile station 1, and handbook fixed bolster 3 and 1 eccentric fixed of RTK mobile station, let the built-in NFC induction zone 2 of laminating RTK mobile station that intelligence handbook 30 upper ends is better, there is not the casing to hinder, connection accuracy is high.

Further, the handbook fixed bolster 3 includes half mounting on the left side, half mounting on the right side, extension spring and little telescopic structure, and extension spring can have the reaction effect, keeps between the distance stable, makes the centre gripping tighter, and half mounting on the left side and half mounting on the right side pass through extension spring and little telescopic structure and connect, all are provided with the recess on half mounting on the left side and half mounting on the right side, extension and movement distance, and extension spring and little telescopic structure set up in the recess.

Further, the Beidou satellite 31 is bidirectionally connected with both the rover station 37 and the reference station 32, the rover station 37 comprises an RTK mobile station 1 and an intelligent handbook 30, the intelligent handbook 30 comprises an NFC chip 33 and a handbook Bluetooth module 34, the NFC chip 33 is bidirectionally connected with the handbook Bluetooth module 34, the RTK mobile station 1 comprises an RTK mobile station built-in NFC induction area 2, a Beidou module 26 and a mobile station Bluetooth module 38, the RTK mobile station built-in NFC induction area 2 is bidirectionally connected with the mobile station Bluetooth module 38, the RTK mobile station 1 further comprises a storage module 27, an interface module 28, a DP83848I Ethernet chip 29, a power conversion module 40 and an STM32F407VGT6 core controller 39, the STM32F407VGT6 core controller 39 is configured with a single-cycle DSP instruction system and FPU functions, has high-performance digital signal processing capability, improves code execution efficiency, shortens research and development cycle, and has main frequency to 168MHz, and has excellent control technology and leading digital signal processing technology, the LMZ14203 model is selected by the power conversion module 40, support 6V to 42V's input voltage, and 0.8V to 6V's output voltage, the conversion rate reaches 90%, and the shielding inductor has been integrated, LM2576 external big electric capacity and inductance have been avoided, make the PCB wiring simpler, the PCB volume is whole to be dwindled, big dipper module 26 and STM32F407VGT6 core controller 39 both way junction, STM32F407VGT6 core controller 39 and mobile station bluetooth module 38 both way junction, STM32F407VGT6 core controller 39 respectively with storage module 27 and interface module 28 both way junction, the output of RTK DP83848I ethernet chip 29 is connected with the input of built-in NFC induction zone 2 of RTK mobile station, intelligence handbook 30 still includes microprocessor 35 and handbook wireless communication module 36, and microprocessor 35 respectively with handbook bluetooth module 34 and handbook wireless communication module 36 both way junction.

Further, a connecting sleeve 21 is arranged in the middle of the lower end of the RTK moving table 1, threads are arranged in the connecting sleeve 21, through the screw thread and twist, and

adapter sleeve

21 and 1 welded connection of RTK mobile station, it is fixed and undetachable, adapter sleeve 21 includes triangle breach 22, certain shrink and extension space have, adapter sleeve 21's lower extreme is provided with spring 15, adapter sleeve 21 passes through spring 15 with retainer plate 16 and is connected, make adapter sleeve 21 shrink and extend unimpededly, spring 15's lower extreme is provided with retainer plate 16, retainer plate 16 includes connection piece 17, retainer plate 16 and connection piece 17 integrated into one piece, retainer plate 16's lower extreme is provided with locking screw 18, locking screw 18 passes hole and locking nut 19 threaded connection on the connection piece 17, one side in the locking screw 18 outside is provided with dwang 20, locking screw 18's opposite side is provided with locking nut 19.

Example 2

Referring to fig. 1, the present invention provides an embodiment: in combination with the components in embodiment 1, the lower end of the connection sleeve 21 is provided with the connection outer sleeve 4, the connection sleeve 21 is of a telescopic structure, one side of the connection outer sleeve 4 is provided with the rocker 5, the rocker 5 is embedded into the groove of the part of the connection sleeve 21, when the connection sleeve rotates, the lug on the piston rod is meshed with the rocker to extend and retract up and down, so as to complete lifting, the lower end of the connection outer sleeve 4 is provided with the rotating table 6, the rotating table 6 is embedded with the level gauge, the lower end of the rotating table 6 is provided with the fixed table 7, the middle of the lower end of the fixed table 7 is provided with the silica gel hemisphere 10, the silica gel hemisphere 10 provides support and does not obstruct lifting, the lower end of the silica gel 10 is provided with the bottom plate 11, the lower end of the bottom plate 11 is provided with the backing plate 12, the fixed, the threaded post 9 is moved up and down between the fixed table 7 and the base plate 11, and the RTK moving stage 1 is kept horizontal.

Further, a bearing 24 is installed in the middle of the fixing table 7, the supporting effect is achieved, rotation is not hindered, a rotary damper 25 is arranged on the bearing 24, rotation is enabled to be hindered to a certain degree, over rotation cannot occur, a connecting lug 23 is arranged outside the fixing table 7, the number of the connecting lugs 23 is three, the triangular angle is adjusted to the horizontal direction, and the whole device is made to be horizontal.

Example 3

Referring to fig. 2, the present invention provides an embodiment: combining the component in embodiment 1, the lower extreme of connecting sleeve 21 is provided with inserts ground pole 13, and the last disect insertion of wet soft mud road surface keeps stable, inserts and installs auxiliary telescopic rod 14 on ground pole 13, and on hard road surfaces such as cement road surface, through auxiliary telescopic rod 14 auxiliary stay, auxiliary telescopic rod 14 has three, just keeps stable, and auxiliary telescopic rod 14 is connected through the damping pivot with inserting ground pole 13, can suspend at any time, and auxiliary telescopic rod 14 is the closed angle with inserting the lower extreme of ground pole 13.

The working principle is as follows: when the support structure is used, different support structures are selected according to the position environment of the mobile station 37, the connection mode of the support structures is screwed into the connecting sleeve 21 through threads, the triangular notch 22 on the connecting sleeve 21 has a certain contraction and extension space so as to meet the connection of the different support structures, the connecting sleeve 21 is connected with the fixing ring 16 through the spring 15, so that the contraction and extension of the connecting sleeve 21 are not hindered, the fixing ring 16 and the connecting piece 17 are integrally formed, and the support structures are installed by the locking screw 18 penetrating through the hole on the connecting piece 17 and being in threaded connection with the locking nut 19; if in the environment with a placing table, the supporting structure adopted in the embodiment 2 is adopted, the threaded column 9 is enabled to move up and down between the fixed table 7 and the bottom plate 11 by rotating the adjusting nut 8, the RTK mobile table 1 is kept horizontal, the silica gel hemisphere 10 between the fixed table 7 and the bottom plate 11 provides support, the lifting is not obstructed during the lifting, the rocker 5 can be rotated to match the height of an operator, the rocker 5 is embedded into the connecting sleeve 21 and is partially slotted, and a bump on the piston rod is meshed with the connecting sleeve to extend and retract up and down during the rotation, so that the lifting is completed, the use comfort of the operator is higher, if the road is a wet soft soil road, the ground inserting rod 13 is directly inserted and kept stable, and if the road is a hard road such as a cement road, the auxiliary telescopic rods 14 are used for auxiliary supporting, three auxiliary telescopic rods 14 are used for just keeping stable, so as to complete the; the GPS receiver is placed at a place where the accurate position of the space coordinate is known as a reference station 32, in addition, a rover station 37 of the coordinate position to be detected is arranged and synchronously observes the Beidou satellites 31, RTCM differential correction data comprising the accurate coordinate or carrier phase observation value of the reference station 32 is transmitted to the rover station 37 through a wireless communication module, the rover station 37 forms differential observation values by the correction data information from the reference station 32 and the observation information received by the rover station from the Beidou satellites 31 of the same group into a differential observation value, and then the accurate space coordinate of the rover station 37 is obtained through a baseline calculation method to carry out real-time positioning

According to the carrier phase measurement principle, the observation equation of pseudo-range measurement is as follows:

wherein, i represents the ith satellite,

represents the carrier phase observation, λ represents the wavelength of the carrier, (X ' Y ' Z ') represents the coordinates of the satellite, c represents the speed of light,

the clock error of the receiver is expressed, and the error of the comprehensive influence of various factors exists in the original GPS observation data, which can be known from the above observation equation

(the factor that ephemeris error affects range finding),

(multi-path error),

(measurement noise), which can be ignored by practical methods.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a RTK big dipper satellite geodetic instrument, includes RTK mobile station (1) and big dipper satellite (31), its characterized in that: the middle of terminal surface upper end is provided with RTK mobile station built-in NFC induction zone (2) before RTK mobile station (1), handbook fixed bolster (3) is installed to the middle of terminal surface before RTK mobile station (1), and handbook fixed bolster (3) and RTK mobile station (1) eccentric fixation.

2. The RTK beidou satellite geodetic instrument of claim 1, characterized in that: big dipper satellite (31) and the equal both way junction of rover (37) and reference station (32), rover (37) includes RTK mobile station (1) and intelligent handbook (30), intelligence handbook (30) include NFC chip (33) and handbook bluetooth module (34), and NFC chip (33) and handbook bluetooth module (34) both way junction, RTK mobile station (1) includes built-in NFC induction zone of RTK mobile station (2), big dipper module (26) and mobile station bluetooth module (38), built-in NFC induction zone of RTK mobile station (2) and mobile station bluetooth module (38) both way junction.

3. The RTK beidou satellite geodetic instrument of claim 1, characterized in that: the middle of RTK mobile station (1) lower extreme is provided with adapter sleeve (21), and adapter sleeve (21) and RTK mobile station (1) welded connection, adapter sleeve (21) are including triangle breach (22), the lower extreme of adapter sleeve (21) is provided with spring (15), the lower extreme of spring (15) is provided with retainer plate (16), retainer plate (16) are including connection piece (17), the lower extreme of retainer plate (16) is provided with locking screw (18), one side in locking screw (18) outside is provided with dwang (20), the opposite side of locking screw (18) is provided with lock nut (19).

4. The RTK Beidou satellite geodetic instrument of claim 3, wherein: the lower extreme of adapter sleeve (21) is installed and is connected outer sleeve (4), one side of connecting outer sleeve (4) is provided with rocker (5), the lower extreme of connecting outer sleeve (4) is provided with revolving stage (6), the lower extreme of revolving stage (6) is provided with fixed station (7), the centre of fixed station (7) lower extreme is provided with silica gel hemisphere (10), the lower extreme of silica gel hemisphere (10) is provided with bottom plate (11), the lower extreme of bottom plate (11) is provided with backing plate (12), fixed station (7) are connected through adjusting nut (8) and screw thread post (9) with bottom plate (11), adjusting nut (8) with be fixed in the centre in the screw thread post (9) outside.

5. The RTK Beidou satellite geodetic instrument of claim 3, wherein: the lower extreme of adapter sleeve (21) is provided with inserts ground pole (13), insert and install auxiliary telescopic rod (14) on ground pole (13), auxiliary telescopic rod (14) with insert ground pole (13) and be connected through the damping pivot, auxiliary telescopic rod (14) are the closed angle with the lower extreme of inserting ground pole (13).

6. The RTK Beidou satellite geodetic instrument of claim 4, wherein: the bearing (24) is installed in the middle of fixed station (7), be provided with rotary damper (25) on bearing (24), the outside of fixed station (7) is provided with engaging lug (23), and engaging lug (23) are provided with threely.

7. The RTK beidou satellite geodetic instrument of claim 2, characterized in that: the RTK mobile station (1) further comprises a storage module (27), an interface module (28), a DP83848I Ethernet chip (29), a power supply conversion module (40) and an STM32F407VGT6 core controller (39), the Beidou module (26) is bidirectionally connected with the STM32F407VGT6 core controller (39), the STM32F407VGT6 core controller (39) is bidirectionally connected with the mobile station Bluetooth module (38), the STM32F407VGT6 core controller (39) is bidirectionally connected with the storage module (27) and the interface module (28) respectively, the output end of the DP83848I Ethernet chip (29) is connected with the input end of the built-in NFC induction area (2) of the RTK mobile station, the smart hand book (30) further comprises a microprocessor (35) and a hand book wireless communication module (36), and the microprocessor (35) is bidirectionally connected with the hand book Bluetooth module (34) and the hand book wireless communication module (36) respectively.

8. The RTK beidou satellite geodetic instrument of claim 1, characterized in that: the utility model discloses a notebook fixed bolster (3) is including half mounting on a left side, half mounting on a right side, extension spring and little extending structure, and half mounting on a left side and half mounting on a right side pass through extension spring and little extending structure and connect, all are provided with the recess on half mounting on a left side and the half mounting on a right side, and extension spring and little extending structure set up in the recess.