GNSS positioning terminal

Abstract

The utility model relates to a GNSS positioning terminal, and belongs to the technical field of engineering measurement. The terminal comprises a mainboard, an STM32 core board, a screen module, a GNSS module and a rotary encoder. A core board interface, a USB female seat, a GNSS module interface and a rotary encoder interface are welded on the mainboard; the STM32 core board is electrically connected with the main board through the core board interface, the screen module is electrically connected with the STM32 core board, the GNSS module is electrically connected with the main board through the GNSS module interface, and the rotary encoder is electrically connected with the main board through the rotary encoder interface. The mainboard disclosed by the utility model adopts a function partition integrated design, so that the cost is low, and the later maintenance is easier. The GNSS module disclosed by the utility model supports Beidou, GPS and GLONASS multi-system joint calculation, signal lock loss is effectively avoided, and the plurality of button contacts are matched with the plurality of buttons, so that the positioning efficiency and the data entry speed under complex terrains are improved.

Description

TECHNICAL FIELD

[0001] The present disclosure belongs to the technical field of engineering surveying, and particularly relates to a GNSS positioning terminal. BACKGROUND

[0002] With the wide application of satellite navigation technology in the fields of engineering surveying and geological exploration, the GNSS positioning terminal has become an important tool for obtaining geographic spatial data.

[0003] Traditional GNSS positioning equipment is mostly designed with high integration, and although the positioning accuracy is high, the following technical defects exist:

[0004] First, the hardware architecture is closed, and the core processor is highly coupled with the peripheral modules, resulting in high cost and difficulty in later maintenance.

[0005] Second, the positioning system is single, and most devices only support GPS or Beidou, that is, only single-system positioning is supported, and signal loss is prone to occur in complex terrain environments. CONTENT OF THE UTILITY MODEL

[0006] The present disclosure provides a GNSS positioning terminal to solve the above technical problems.

[0007] The present disclosure provides a GNSS positioning terminal, characterized in that it comprises a mainboard, an STM32 core board, a screen module, a GNSS module, and a rotary encoder; the mainboard is welded with a core board interface, a USB female seat, a GNSS module interface, and a rotary encoder interface; the STM32 core board is electrically connected with the mainboard through the core board interface, the screen module is electrically connected with the STM32 core board, the GNSS module is electrically connected with the mainboard through the GNSS module interface, and the rotary encoder is electrically connected with the mainboard through the rotary encoder interface.

[0008] In some embodiments, the GNSS module is electrically connected with the GNSS module interface through a connecting line, realizing the electrical connection between the GNSS module and the mainboard.

[0009] In some embodiments, the mainboard is further welded with a storage unit, a button contact, a power supply unit, a battery seat, and a power switch.

[0010] In some embodiments, a housing is further included, which comprises an upper housing for sealing the top of a middle housing, the middle housing, and a lower housing for sealing the bottom of the middle housing; the mainboard is fixed on the middle housing, and the right side plate of the middle housing is provided with a GNSS module fixing portion and a rotary encoder fixing portion.

[0011] In some embodiments, the upper shell is provided with a button for cooperating with the button contact, and a screen module fixing portion for fixing the screen module.

[0012] In some embodiments, a knob is welded on the rotary encoder.

[0013] In some embodiments, the STM32 core board is electrically connected with the core board interface through a gold finger interface, so as to realize the electrical connection between the STM32 core board and the main board.

[0014] In some embodiments, the screen module is electrically connected with the STM32 core board through an FPC flat cable.

[0015] In some embodiments, the rotary encoder is provided with a rotary encoder output interface, which is connected with the rotary encoder interface through a connecting line, so as to realize the electrical connection between the rotary encoder and the main board.

[0016] In some embodiments, the upper shell and the lower shell are respectively fixed on the middle shell through a hot melt nut and a flat head screw, so as to realize the sealing of the top of the middle shell and the sealing of the bottom of the middle shell.

[0017] In some embodiments, the main board is fixed on the middle shell through a hot melt nut and a flat head screw; and the screen module is fixed on the screen module fixing portion through a hot melt nut and a flat head screw.

[0018] The some embodiments of the present disclosure can achieve the following beneficial technical effects: first, the main board adopts a functional partition integrated design, such as a pluggable core board interface, a plurality of button contact designs, a USB female seat (realizing double power supply), a GNSS module interface, a rotary encoder interface, etc. Compared with the traditional GNSS positioning terminal highly integrated design, the cost is low, and the later maintenance is easier.

[0019] Second, the GNSS module involved in the present disclosure supports Beidou, GPS, GLONASS multi-system joint solution, which effectively avoids signal loss. The GNSS module supports Beidou, GPS, GLONASS multi-system joint solution, and the plurality of button contacts cooperate with the plurality of buttons, which improves the positioning efficiency and data entry speed in complex terrain.

[0020] In addition, the combination design of the rotary encoder and the knob realizes accurate parameter adjustment (please refer to the specific embodiments); the shell adopts a three-layer design, which is convenient to disassemble, and the screen module is embedded in the upper shell to form an integrated operation panel.

[0021] The present disclosure is suitable for scenes such as preliminary measurement positioning in the early stage of engineering and geological exploration, which reduces the cost under the premise of ensuring the positioning accuracy, and has significant economic benefits and promotional value. Attached Figure Description

[0022] The accompanying drawings, which form part of this specification, illustrate embodiments of this disclosure and, together with the specification, serve to explain the principles of this disclosure.

[0023] This disclosure can be more clearly understood with reference to the accompanying drawings and the following detailed description.

[0024] Figure 1 This is a top view of the motherboard showing some embodiments of a GNSS positioning terminal according to the present disclosure.

[0025] Figure 2 This is a bottom view of the motherboard showing some embodiments of a GNSS positioning terminal according to the present disclosure.

[0026] Figure 3 This is an exploded view of the terminal structure showing some embodiments of the GNSS positioning terminal according to this disclosure.

[0027] Figure 4 This is a schematic diagram illustrating the assembly of a terminal according to some embodiments of a GNSS positioning terminal based on the present disclosure.

[0028] Figure 5 This is a schematic diagram showing the connection of the constituent units of some embodiments of a GNSS positioning terminal according to the present disclosure.

[0029] Figure 6 This is a terminal workflow diagram illustrating some embodiments of a GNSS positioning terminal according to the present disclosure.

[0030] In the diagram: 1. Motherboard; 2. Core board interface; 3. Button contact; 4. Storage unit; 5. Power switch; 6. Battery holder; 7. GNSS module interface; 8. Rotary encoder interface; 9. USB female connector; 10. Power supply unit; 11. STM32 core board; 12. Rotary encoder; 13. Rotary encoder output interface; 14. Knob; 15. GNSS module; 16. Lower housing; 17. Middle housing; 18. Upper housing; 19. Screen module; 20. Button.

[0031] It should be understood that the dimensions of the various parts shown in the accompanying drawings are not drawn to actual scale. Furthermore, the same or similar reference numerals denote the same or similar components. Detailed Implementation

[0032] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present disclosure.

[0033] The following description of at least one example embodiment is merely exemplary in nature and is in no way intended to limit the disclosure.

[0034] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such techniques, methods, and apparatus can be considered as part of the description.

[0035] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as a limitation. Thus, other examples of the example embodiments can have different values.

[0036] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 shown, a GNSS positioning terminal comprises a mainboard 1, an STM32 core board 11, a screen module 19, a GNSS module 15, and a rotary encoder 12; a storage unit 4, a core board interface 2, a button contact 3, a power supply unit 10, a USB female seat 9, a GNSS module interface 7, a rotary encoder interface 8, a battery seat 6, and a power switch 5 are welded on the mainboard; the STM32 core board is electrically connected to the mainboard through the core board interface, the screen module is electrically connected to the STM32 core board, the GNSS module is electrically connected to the mainboard through the GNSS module interface, and the rotary encoder is electrically connected to the mainboard through the rotary encoder interface.

[0037] In some embodiments, a housing is further included, which comprises an upper housing 18 for sealing the top of the middle housing, the middle housing 17, and a lower housing 16 for sealing the bottom of the middle housing; the mainboard is fixed on the middle housing, and the right side plate of the middle housing is provided with a GNSS module fixing part and a rotary encoder fixing part.

[0038] In some embodiments, the upper housing is provided with a button 20 for cooperating with the button contact, and a screen module fixing part for fixing the screen module.

[0039] In some embodiments, the rotary encoder is welded with a knob 14.

[0040] In some embodiments, the STM32 core board is electrically connected to the core board interface through a gold finger interface, so as to realize the electrical connection between the STM32 core board and the mainboard.

[0041] In some embodiments, the screen module is electrically connected to the STM32 core board through an FPC flat cable.

[0042] In some embodiments, the GNSS module is electrically connected with the GNSS module interface through a connecting line, so as to realize the electrical connection between the GNSS module and the mainboard.

[0043] In some embodiments, a rotary encoder output interface 13 is arranged on the rotary encoder, and the rotary encoder output interface is connected with the rotary encoder interface through a connecting line, so as to realize the electrical connection between the rotary encoder and the mainboard.

[0044] In some embodiments, the upper shell and the lower shell are respectively fixed on the middle shell through hot melt nuts and flat head screws, so as to realize the sealing of the top of the middle shell and the sealing of the bottom of the middle shell.

[0045] In some embodiments, the mainboard is fixed on the middle shell through hot melt nuts and flat head screws, and the screen module is fixed on the screen module fixing part through hot melt nuts and flat head screws.

[0046] As shown in 3 or Figure 4 As shown in 3 or

[0047] As shown in 3 or Figure 6 As shown in 3 or

[0048] After the system is started and the GNSS signal is valid, the screen module will display the current coordinate information. When the button (setting key) is pressed, the screen module will display the user configuration parameters, and the user configuration parameters can be modified by rotating the knob and pressing the knob, such as the central meridian, target point coordinates, target line coordinates and other parameters, and saved to the storage unit.

[0049] When the current coordinate information interface is displayed, the knob is pressed, and the screen module will display the current coordinate and target coordinate image, and vice versa. When the current coordinate and target coordinate image interface is displayed, the button is pressed, which will move the image display range. Which button is not limited in the present disclosure, and the knob can also be used to zoom the image.

Claims

1. A GNSS positioning terminal, characterized in that The main board, the STM32 core board, the screen module, the GNSS module and the rotary encoder are included. The core board interface, the USB female seat, the GNSS module interface and the rotary encoder interface are welded on the main board. The STM32 core board is electrically connected with the main board through the core board interface, the screen module is electrically connected with the STM32 core board, the GNSS module is electrically connected with the main board through the GNSS module interface, and the rotary encoder is electrically connected with the main board through the rotary encoder interface.

2. The GNSS positioning terminal according to claim 1, characterized in that The storage unit, the button contact, the power supply unit, the battery seat and the power switch are also welded on the main board.

3. The GNSS positioning terminal according to claim 2, characterized in that, The shell includes the upper shell for sealing the top of the middle shell, the middle shell and the lower shell for sealing the bottom of the middle shell. The main board is fixed on the middle shell, and the right side plate of the middle shell is provided with the GNSS module fixing part and the rotary encoder fixing part.

4. The GNSS positioning terminal according to claim 3, characterized in that The upper shell is provided with the button for cooperating with the button contact and the screen module fixing part for fixing the screen module.

5. The GNSS positioning terminal according to claim 1, characterized in that, The rotary knob is welded on the rotary encoder.

6. The GNSS positioning terminal according to claim 1, characterized in that, The STM32 core board is electrically connected with the core board interface through the gold finger interface, so as to realize the electrical connection between the STM32 core board and the main board.

7. The GNSS positioning terminal according to claim 1, characterized in that, The screen module is electrically connected with the STM32 core board through the FPC flat cable.

8. The GNSS positioning terminal according to claim 1, characterized in that, The rotary encoder is provided with the rotary encoder output interface, the rotary encoder output interface is connected with the rotary encoder interface through the connecting line, so as to realize the electrical connection between the rotary encoder and the main board.

9. The GNSS positioning terminal according to claim 3, characterized in that, The upper shell and the lower shell are respectively fixed on the middle shell through the hot melting nut and the flat head screw, so as to realize the sealing of the top of the middle shell and the sealing of the bottom of the middle shell.

10. The GNSS positioning terminal according to claim 4, characterized in that, The main board is fixed on the middle shell through the hot melting nut and the flat head screw. The screen module is fixed on the screen module fixing part through the hot melting nut and the flat head screw.

Images