CN217643343U

CN217643343U - Truck-mounted terminal based on high-precision positioning

Info

Publication number: CN217643343U
Application number: CN202221312662.9U
Authority: CN
Inventors: 王勇; 田爱军
Original assignee: Taiyuan Yisi Software Technology Co ltd
Current assignee: Taiyuan Yisi Software Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-21
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to an on-vehicle location technical field just discloses a freight train on-vehicle terminal based on high accuracy location, including shell and location label circuit board, location label circuit installs the inside at the shell, the side of shell is provided with fills charging source interface, switch and USB debugging interface, location label circuit board openly mainly has UWB location module, antenna, GPS location module and lithium cell, and location label circuit board back mounted has the SIM draw-in groove, and the UWB location module is main to begin positioning work, and the base station receives the data that the collection was observed, and it carries out the analysis to pass through the SIM card propelling movement to the server with received data, forms the difference observed value and carries out real-time processing, calculates the real-time precision of position, obtains sub-meter level high accuracy positioning result, realizes the effect of real time monitoring vehicle location.

Description

Truck-mounted terminal based on high-precision positioning

Technical Field

The utility model relates to an on-vehicle location technical field specifically is a freight train on-vehicle terminal based on high accuracy location.

Background

The vehicle-mounted terminal is a device which is installed on a vehicle, moves along with the vehicle in the driving process of the vehicle and positions the vehicle in real time. The vehicle-mounted terminal can transmit signals to the base station or the server, so that the positioning purpose is achieved, the real-time tracking of the vehicle is facilitated, and the management and use safety of the vehicle is ensured. Currently, there are two types of commonly used positioning technologies, one is an indoor high-precision positioning technology represented by UWB, and the other is an outdoor positioning technology represented by GPS. The UWB technology is characterized by high positioning accuracy, high transmission rate and good real-time performance, but when the transmission distance is long and the UWB base station is applied to a large range, more UWB base stations need to be arranged, and the cost is high. The GPS technology is characterized by large-range continuous coverage, real-time positioning and wide application, but when the indoor signal is weak and the positioning accuracy needs to be accurate to several meters, the accurate positioning cannot be realized. However, in the application scenarios of logistics and unattended factory areas, both indoor and outdoor are included, and not only UWB positioning but also GPS positioning cannot meet all positioning requirements. To above problem, the utility model provides an on-vehicle terminal based on high accuracy location can satisfy all outdoor location demands in indoor, can also improve the location precision.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a freight train vehicle mounted terminal based on high accuracy location.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a freight train vehicle mounted terminal based on high accuracy location, includes shell and location label circuit board, location label circuit installs in the inside of shell, the side of shell is provided with fills charging power source interface, switch and USB debugging interface, location label circuit board openly mainly has UWB location module, antenna, GPS location module and lithium cell, and location label circuit board back mounted has the SIM draw-in groove.

Preferably, the antenna includes UWB antenna, GPS antenna and receipt 4G signal antenna, UWB antenna sets up in UWB location module, GPS antenna and receipt 4G signal antenna install the front at location label circuit board.

Preferably, the mounting groove has been seted up on the shell, the mounting groove is located the both sides of shell and installs respectively and fills up one and fill up two, fills up one and fills up two fixed docks, fills up one and fills up two docks and is provided with the opening, the fixed block of USB debugging interface is in filling up one and filling up two openings.

Preferably, the first pad is provided with a sliding groove, the second pad is fixedly provided with a telescopic strip at a position matched with the sliding groove, the telescopic strip penetrates through the sliding groove, the telescopic strip is fixedly provided with a stop block, and the stop block is matched with the opening of the first pad in shape.

Preferably, the spout has two, and two spout symmetries set up, and the equal fixed mounting in the relative one side of two telescopic strips has protruding soft piece, and protruding soft piece design is the triangle-shaped block, and the right angle limit setting of protruding soft piece is in the one end of keeping away from the dog.

(III) advantageous effects

Compared with the prior art, the utility model provides a freight train vehicle carries terminal based on high accuracy location possesses following beneficial effect:

1. according to the truck-mounted terminal based on high-precision positioning, a UWB positioning module is used as a main part to start positioning work, a base station receives and collects observed data, the received data are pushed to a server through an SIM card to be analyzed, a difference observation value is formed to process in real time, the real-time precision of the position is calculated, a sub-meter-level high-precision positioning result is obtained, and the effect of real-time monitoring vehicle positioning is achieved.

2. The truck vehicle-mounted terminal based on high-precision positioning can be used for carrying out high-precision real-time positioning indoors or outdoors. The method can be adapted to all communication operators, has strong anti-interference capability, and can provide high-precision positioning at the sub-meter level.

3. This freight train vehicle-mounted terminal based on high accuracy location, the switching of locate mode is autonomous control completely, and the near UWB basic station of location label periodic automatic search for whether entering into the region that UWB basic station covered, if enter the region that UWB basic station covered, then open UWB location mode, realize the high accuracy location.

4. This freight train vehicle mounted terminal based on high accuracy location, reasonable in design, convenient to carry can the long-time continuation of the journey work to be furnished with the interface that charges, in order to ensure that the location terminal can last work. The location is accurate, can satisfy all location demands indoor outdoor. The vehicle position and running data information can be inquired in real time, time intervals can be set, the terminal can report the information, and historical track records stored on the terminal can be inquired through a background.

Drawings

FIG. 1 is a front side of a positioning label circuit board;

FIG. 2 is a back side of the positioning label circuit board;

FIG. 3 is a vehicle terminal housing;

FIG. 4 is a schematic diagram of a USB debug interface;

FIG. 5 is a diagram of a USB debug interface.

In the figure: 1-receiving 4G signal antenna, 2-GPS antenna, 3-GPS positioning module, 4-USB debugging interface, 5-switch, 6-charging power interface, 7-lithium battery, 8-UWB positioning module, 9-SIM card slot, 41-mounting groove, 42-pad one, 43-sliding groove, 44-telescopic strip, 45-convex soft block, 46-pad two, and 47-stop block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, a truck-mounted terminal based on high-precision positioning comprises a housing and a positioning tag circuit board, wherein the housing is 110mm 50mm 20mm, the size is small, the weight is light, the device is portable, the positioning tag circuit is installed inside the housing, a charging power supply interface 6, a switch 5 and a USB debugging interface 4 are arranged on the side surface of the housing, a UWB positioning module 8, an antenna, a GPS positioning module 3 and a lithium battery 7 are mainly arranged on the front surface of the positioning tag circuit board, an SIM card slot 9 is installed on the back surface of the positioning tag circuit board, the positioning work is started by the UWB positioning module 8, a base station receives and collects observed data, and pushes the received data to a server through the SIM card for analysis to form a differential observation value for real-time processing, the real-time precision of the position is calculated, a sub-meter-level high-precision positioning result is obtained, and the effect of real-time monitoring vehicle positioning is achieved.

The antenna includes UWB antenna, GPS antenna 2 and receipt 4G signal antenna 1, the UWB antenna sets up in UWB location module 8, and GPS antenna 2 and receipt 4G signal antenna 1 are installed in the front of location label circuit board.

In an open outdoor environment, the terminal starts to position by the GPS positioning module 3 to generate longitude and latitude information of the current position, the SIM card is used for data feedback, the information such as the longitude and latitude of the GPS is transmitted to the server, and the background generates the current position information by analyzing the position data.

The switching of the positioning mode is completely and autonomously controlled, the positioning tag can periodically and automatically search nearby UWB base stations to judge whether to enter the area covered by the UWB base stations, and if the positioning tag enters the area covered by the UWB base stations, the UWB positioning mode is started to realize high-precision positioning.

UWB location module and GPS location module are all in the off-state when not fixing a position the use, open or close UWB location module and GPS location module according to the real-time positioning condition when fixing a position the use.

The high-precision DC-DC is suitable for wide input voltage DC6-24V, the conversion efficiency is up to 90%, and the high-precision DC-DC is used for long-term short-circuit protection, automatic recovery and output overvoltage protection;

an STM32L series 32-bit ARM low-power-consumption microcontroller is adopted, the kernel is Cortex-M3, the highest working frequency of 72MHz can reach 1.25DMips/MHZ (DhrystONe2.1) when the 0 waiting period of the memory is accessed, and single-period multiplication and hardware division are carried out;

the method supports the communication of LTE Cat-1, the mobile LTE Cat-1 and the telecommunication LTE Cat-1, and can realize network communication and high-precision positioning;

single system positioning of a BDS/GPS/GLONASS satellite navigation system or multi-system combined positioning of any combination is supported;

and communication connection of the TCP Client and the UDP Client is supported.

Seted up mounting groove 41 on the shell, mounting groove 41 is located the both sides of shell and installs respectively and fills up one 42 and fill up two 46, fills up one 42 and fills up two 46 fixed butt joints, fills up one 42 and fills up two 46 butt joints and is provided with the opening, the fixed block of USB debugging interface 4 is in filling up one 42 and filling up two 46 openings.

The cushion 42 is provided with a sliding groove 43, the cushion 46 is fixedly provided with a telescopic strip 44 at a position matched with the sliding groove 43, the telescopic strip 44 penetrates through the sliding groove 43, a stop block 47 is fixedly arranged on the telescopic strip 44, and the shape of the stop block 47 is matched with the opening of the cushion 42.

The spout 43 has two, and two spout 43 symmetries set up, and the equal fixed mounting in the relative one side of two expansion strips 44 has protruding soft piece 45, and protruding soft piece 45 designs for the triangle-shaped block, and the right-angle side setting of protruding soft piece 45 is in the one end of keeping away from dog 47.

When using, fill up one 42 and fill up two 46 fixed mounting on mounting groove 41, USB debugs interface 4 fixed block fills up one 42 and fills up two 46 openings in, the pulling expansion strip 44 makes and fills up one 42 and fill up two 46 and be close to the extrusion each other, and make on the protruding cushion block opening, thereby guarantee USB debugs interface 4's stable connection, utilize dog 47 to seal and open the opening simultaneously, make things convenient for USB debugs interface 4's use when protecting USB debugs interface 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a freight train vehicle-mounted terminal based on high accuracy location, includes shell and location label circuit board, its characterized in that: location label circuit installs in the inside of shell, the side of shell is provided with fills charging power source interface (6), switch (5) and USB debugging interface (4), location label circuit board openly mainly has UWB location module (8), antenna, GPS location module (3) and lithium cell (7), and location label circuit board back mounted has SIM draw-in groove (9).

2. A high accuracy positioning based truck mounted terminal according to claim 1, characterized in that: the antenna includes UWB antenna, GPS antenna (2) and receipt 4G signal antenna (1), the UWB antenna sets up in UWB location module (8), and GPS antenna (2) and receipt 4G signal antenna (1) are installed in the front of location label circuit board.

3. A high accuracy positioning based truck mounted terminal according to claim 1, characterized in that: seted up mounting groove (41) on the shell, mounting groove (41) are located the both sides of shell and install respectively and fill up one (42) and fill up two (46), fill up one (42) and fill up two (46) fixed butt joint, are provided with the opening on filling up one (42) and filling up two (46) butt joint, USB debugs interface (4) fixed block in the opening of filling up one (42) and filling up two (46).

4. A high accuracy positioning based truck mounted terminal according to claim 3, characterized in that: the cushion is characterized in that a sliding groove (43) is formed in the cushion I (42), a telescopic strip (44) is fixedly mounted on the cushion II (46) and matched with the sliding groove (43), the telescopic strip (44) penetrates through the sliding groove (43), a stop block (47) is fixedly mounted on the telescopic strip (44), and the shape of the stop block (47) is matched with the opening of the cushion I (42).

5. A high accuracy positioning based truck mounted terminal according to claim 4, characterized in that: spout (43) have two, and two spout (43) symmetry sets up, and the equal fixed mounting in one side that two expansion strips (44) are relative has protruding soft piece (45), and protruding soft piece (45) design is the triangle-shaped block, and the right-angle side setting of protruding soft piece (45) is in the one end of keeping away from dog (47).