Small high-precision positioning equipment based on Beidou navigation system
Through compact internal structure design and built-in spiral antenna technologies, the problem of bulky and complex wear of portable Beidou positioning equipment is solved, and the positioning effect of small, high precision and high anti-interference is achieved.
Patent Information
- Application Number
- CN202420446763.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-08
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-08
AI Technical Summary
The existing portable Beidou high-precision positioning equipment is bulky, large in size, high power consumption, complex wear, and severe satellite occlusion in high-rise buildings and other scenarios, resulting in interruption of positioning data, which is difficult to meet the usage requirements.
A small high-precision positioning device is designed, adopting an internal structure stacked design, built-in spiral antenna and OLED display screen, fixed by welding and backing, reducing the thickness and volume of the equipment, and a waterproof ring and lanyard are installed on the shell. Hole to improve anti-interference ability and wearability.
The compact design of the equipment is realized, reducing the sense of bulkiness and volume, enhancing anti-interference ability and wearability, ensuring stable positioning in severe occlusion scenarios.
Smart Images
Figure CN222212955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of positioning equipment, in particular to a small high-precision positioning equipment based on a Beidou navigation system. Background Art
[0002] The BeiDou Navigation Satellite System (hereinafter referred to as the BeiDou system) is a satellite navigation system independently built and operated by China with an eye on national security and economic and social development needs. It is an important national space infrastructure that provides global users with all-weather, all-day, high-precision positioning, navigation and timing services. With the successful global networking of my country's BeiDou satellite system, the BeiDou satellite navigation system will surely be widely used in various fields of national economy and people's livelihood in the future. At the same time, for the convenience and speed of work, a small high-precision positioning device based on the BeiDou navigation system with long battery life, high precision, miniaturization, small size and easy interaction will surely become a more widespread and necessary demand, especially for lightweight, easy-to-wear, long battery life and high-precision equipment.
[0003] A single-point Beidou high-precision positioning device with application number 202022374928.X in the prior art relates to the field of Beidou positioning technology. The product is equipped with a connecting plate on one side of the body. When the body needs to be moved, the personnel rotate the connecting rod on the top of the connecting block through the second rotating shaft so that the two connecting rods are abutted. The personnel can lift the body through the connecting rod to move the body. However, traditional movable devices are generally bulky, large in size, and have high power consumption, so larger energy storage batteries need to be installed to power them; and most existing devices use external antennas to connect to handheld devices through radio frequency cables, which are complicated to wear; in addition, traditional portable devices are prone to satellite loss in scenes with severe satellite obstruction such as under bridges and between high-rise buildings, and the positioning data will be interrupted; therefore, the existing portable positioning devices are difficult to meet the use requirements. Utility Model Content
[0004] The utility model aims to provide a small high-precision positioning device based on the Beidou navigation system to solve the problems in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small high-precision positioning device based on the Beidou navigation system, comprising a front shell and a back shell, a mainboard is installed in the front shell, a helical antenna is installed at one end of the mainboard, an OLED display, a button, a speaker and a 4G+MCU unit are installed on one side of the mainboard; a battery holder and a battery are installed on the other side of the mainboard, and a GNSS positioning module is also installed on the mainboard; a Type-C and a SIM card slot are provided on the side of the front shell; and a 1 / 4 threaded positioning hole and a lanyard hole are respectively provided at both ends of the front shell.
[0006] Preferably, the front shell and the back shell are fixed by screws, a waterproof ring is provided between the front shell and the back shell, and the shape of the front shell and the back shell after assembly is cylindrical.
[0007] Preferably, the OLED display screen is welded to the mainboard via FPC.
[0008] Preferably, the helical antenna is adhered to the front housing and connected to the mainboard via an IPX connector on the mainboard.
[0009] Preferably, the battery is fixed between the mainboard and the back shell by means of adhesive and a battery bracket, and a power line led out from the inside of the battery is welded to the back of the mainboard.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. The internal structure is compactly laminated. The motherboard, battery, spiral antenna, and human-computer interaction OLED display are fixed by welding, adhesive backing, IPX connection, etc., making the laminate compact, greatly reducing the thickness of the device, reducing the size of the device, and making it easy and quick to carry.
[0012] 2. A built-in helical antenna is provided at one end of the mainboard, and the built-in helical antenna is installed on the top of the shell. The use of a helical antenna greatly enhances the anti-interference ability of the equipment, and the installation position of the helical antenna is far away from the mainboard and screws, which greatly improves the carrier-to-noise ratio of the satellite signal.
[0013] 3. Through the 1 / 4 threaded positioning hole at the bottom of the shell, a lanyard is set on the top, which greatly facilitates the convenience of users to wear it. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0015] Figure 1 It is the front view of the utility model;
[0016] Figure 2 It is a rear view of the utility model;
[0017] Figure 3 It is a side view of the utility model;
[0018] Figure 4 It is a bottom view of the utility model;
[0019] Figure 5 It is a top view of the utility model;
[0020] Figure 6 It is a schematic diagram of the internal structure of the utility model;
[0021] Figure 7 It is a principle diagram of the utility model.
[0022] In the picture: 1. Front shell; 2. OLED display; 3. Button; 4. Speaker; 5. Back shell; 6. Screws; 7. Type-C; 8. SIM card slot; 9. 1 / 4 threaded positioning hole; 10. Lanyard hole; 11. Battery holder; 12. Battery; 13. Helical antenna; 14. 4G+MCU unit; 15. GNSS positioning module; 16. Mainboard; 18. Waterproof ring. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.
[0024] See also Figure 1-7 In an embodiment of the utility model, a small high-precision positioning device based on the Beidou navigation system includes a front shell 1 and a back shell 5. A mainboard 16 is installed in the front shell 1. A helical antenna 13 is installed at one end of the mainboard 16 of the front shell 1. The helical antenna 13 is pasted on the front shell 1 and connected to the mainboard 16 through an IPX connector on the mainboard 16; an OLED display 2, a button 3, a speaker 4 and a 4G+MCU unit 14 are installed on one side of the mainboard 16, and the OLED display 2 is welded to the mainboard 16 through an FPC; the other side of the mainboard 16 is A battery holder 11 and a battery 12 (using a 18650 battery) are installed. The battery 12 is fixed between the mainboard 16 and the back shell 5 through the adhesive and the battery holder 11, and the power line led out from the battery 12 is welded on the back of the mainboard 16; the mainboard 16 is also equipped with a GNSS positioning module 15; the internal structure is compactly laminated, and the mainboard 16, 18650 battery, spiral antenna, and human-computer interaction OLED display screen 2 are fixed by welding, adhesive, IPX connector, small screws, etc., so that the laminate is compact, which greatly reduces the thickness of the device, reduces the size of the device, and is convenient and quick to carry.
[0025] The side of the front shell 1 is provided with Type-C 7 and SIM card slot 8; the two ends of the front shell 1 are provided with 1 / 4 threaded positioning hole 9 and lanyard hole 10 respectively; the side of the front shell 1 is installed with TYPE-C interface 7 and SIM slot 8, screws and threaded positioning hole 6, the top lanyard hole 10 and the bottom 1 / 4 threaded positioning hole 9 are convenient for users to fix and install the device. The front shell 1 and the back shell 5 are fixed by screws 6, and a waterproof ring 18 is provided between the front shell 1 and the back shell 5. The waterproof ring 18 is a rubber waterproof ring, which is used for waterproofing the interface between the upper and lower shells of the front shell 1, and can reach IP67 waterproof level to protect the internal circuit board from being damaged by rain; the shape of the front shell 1 and the back shell 5 after assembly is cylindrical.
[0026] The human-computer interaction OLED display screen 2 is pasted on the shell, the FPC of the OLED is welded to the main board 16, the built-in spiral antenna 13 is pasted on the front shell 1 and connected to the main board 16 via an IPX connecting line, and the 18650 battery 12 is fixed to the back shell 1 through the battery holder 11 using adhesive and screws, and a power line is led out from the inside of the battery and welded to the back of the main board 16 for powering the system and charging the battery. In this way, the battery, the main board, the human-computer interaction OLED display screen 2 and one side of the front shell 1 are stacked together at a minimum height, thereby reducing the size of the device.
[0027] The device body has built-in high-precision Beidou navigation module, spiral antenna, 4G communication module, inertial sensor, built-in 18650 battery, Bluetooth unit, OLED display and other functional devices; including a main board and a human-computer interaction OLED display; the main board integrates high-precision Beidou positioning module, 4G+MCU communication module, BT communication module, inertial sensor, battery charging chip, data storage chip and other functional modules as well as Type-C USB socket, NanoSIM card socket and pin header; the front of the main board is mainly arranged with Type-C mother socket, SIM card, high-precision Beidou navigation module battery charging chip and OLED screen welding point, etc., and the back of the main board is mainly arranged with key switch 4G+MUC communication module, Bluetooth unit, inertial sensor, etc.; the battery uses a high-energy-density 18650 battery, which has the characteristics of small size, light weight and high energy density; in this way, the battery, main board and human The OLED displays of the machine are stacked together at the minimum height, thereby reducing the size of the device; the spiral antenna is installed on the top of the device, with the purpose of keeping away from metal screws and electronic materials to minimize the interference of circuit boards and screws on its signals; the spiral antenna is connected to the high-precision Beidou positioning module of the mainboard through an RF cable, which is used to send the antenna signal to the high-precision Beidou positioning module; the 4G antenna is pasted on the plastic shell and connected to the mainboard through the IPX socket on the mainboard; there are Type-C female socket and NanoSIM card holder slots on the side of the device, which are convenient for users to connect USB data cables to transmit data and power supply and replace SIM cards; a rubber plug is attached for waterproof design; there is also a threaded hole at the bottom for users to install in a fixed position; the front of the device presents buttons, OLED display and LED lights for human-computer interaction; a lanyard is installed on the top of the device for easy wear.
[0028] The working principle of the utility model is as follows: a mainboard 16 is installed in the middle of the front shell 1, a built-in helical antenna 13 is provided at one end of the mainboard 16, a key switch 3 and an OLED display screen 2 are installed on one side of the mainboard 16, and an 18650 battery 12 and a battery fixing bracket 11 are installed on the other side of the mainboard 16, so that the internal structure stacking design is compact, and the mainboard 16, the battery, the helical antenna, and the OLED display screen 2 are fixed by welding, bracket fixing, back glue and other fixing methods to make the stacking compact, which greatly reduces the thickness of the device, reduces the size of the device, and is convenient and quick to carry; and the use of the helical antenna greatly enhances the interference-resistant ability of the device, and the installation position of the helical antenna is far away from the mainboard and screws, which greatly improves the carrier-to-noise ratio of the satellite signal.
[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A small high-precision positioning device based on the Beidou navigation system, comprising a front housing (1) and a back housing (5), characterized in that: A main board (16) is installed in the front housing (1); a helical antenna (13) is installed on one end of the main board (16) of the front housing (1); an OLED display screen (2), a button (3), a speaker (4) and a 4G+MCU unit (14) are installed on one side of the main board (16); a battery holder (11) and a battery (12) are installed on the other side of the main board (16); and a GNSS positioning module (15) is also installed on the main board (16); A Type-C (7) and a SIM card slot (8) are provided on the side of the front shell (1); and a 1 / 4 threaded positioning hole (9) and a lanyard hole (10) are respectively provided on both ends of the front shell (1).
2. A small high-precision positioning device based on the Beidou navigation system according to claim 1, characterized in that: The front shell (1) and the back shell (5) are fixed by screws (6), a waterproof ring (18) is provided between the front shell (1) and the back shell (5), and the shape of the front shell (1) and the back shell (5) after being assembled is cylindrical.
3. A small high-precision positioning device based on the Beidou navigation system according to claim 1, characterized in that: The OLED display screen (2) is welded to the main board (16) via FPC.
4. The small-sized high-precision positioning device based on the Beidou navigation system according to claim 1, characterized in that: The helical antenna (13) is adhered to the front housing (1) and is connected to the mainboard (16) via an IPX connector on the mainboard (16).
5. The small high-precision positioning device based on the Beidou navigation system according to claim 1, characterized in that: The battery (12) is fixed between the mainboard (16) and the front housing (1) via a battery bracket (11), and a power line led out from the inside of the battery (12) is welded to the back of the mainboard (16).