Anti-interference Beidou high-precision positioning terminal

By introducing anti-interference components and digital filtering modules into the positioning terminal, the problems of signal attenuation and interference in complex electromagnetic environments were solved, achieving high-precision BeiDou positioning and improving the anti-interference capability of the positioning terminal.

CN224203430UActive Publication Date: 2026-05-05SHENZHEN JIAMEISHI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN JIAMEISHI TECH CO LTD
Filing Date
2025-05-13
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing positioning terminals are susceptible to signal attenuation and electromagnetic interference in complex electromagnetic environments, leading to a decrease in positioning accuracy.

Method used

It employs anti-interference components, including a shock-resistant elastic buffer layer, an electromagnetic wave absorption layer, and a high electromagnetic shielding layer. Combined with the collaborative work of the digital filtering module and the Beidou positioning module, it reduces the impact of physical vibration and electromagnetic interference on the internal circuitry, and prevents dust from entering through heat dissipation vents and filters.

Benefits of technology

It effectively reduces signal attenuation and external interference in complex electromagnetic environments, improves positioning accuracy, ensures signal purity, and enhances the practicality and reliability of positioning terminals.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of positioning terminals, and discloses an anti-interference Beidou high-precision positioning terminal, which comprises a positioning terminal main body, and a telescopic antenna is arranged at the upper end of the positioning terminal main body. When the anti-interference Beidou high-precision positioning terminal is used, noise reduction processing is carried out on an original signal through the digital filtering module, in combination with cooperative work of the Beidou positioning module and the radio frequency signal module, it is ensured that positioning data are accurate and reliable, errors are reduced, meanwhile, through the arrangement of the anti-interference assembly, the electromagnetic wave absorption layer absorbs stray electromagnetic waves in the environment, and the positioning accuracy is improved. The high electromagnetic shielding layer obstructs the interference of an external strong electromagnetic field, the anti-falling elastic buffer layer reduces the influence of physical vibration on an internal circuit, and triple protection ensures that signals are pure, so that signal attenuation and external interference in a complex electromagnetic environment can be effectively weakened, the positioning precision is improved, and the practicability of the anti-interference Beidou high-precision positioning terminal is improved.
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Description

Technical Field

[0001] This utility model relates to the field of positioning terminal technology, and in particular to an anti-interference BeiDou high-precision positioning terminal. Background Technology

[0002] In recent years, satellite positioning technology has been widely used, with the most common applications including satellite navigation, transportation, surveying and mapping, aviation and maritime navigation, and disaster response. Satellite positioning technology is a technology that uses satellite systems for global positioning. Currently, the most commonly used satellite positioning system in my country is the BeiDou system.

[0003] Current positioning terminals are susceptible to signal attenuation and electromagnetic interference when in complex electromagnetic environments, such as city streets, canyons, and forests, which can affect positioning accuracy.

[0004] To address this, we propose an interference-resistant BeiDou high-precision positioning terminal. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an anti-interference BeiDou high-precision positioning terminal.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An anti-interference BeiDou high-precision positioning terminal includes a positioning terminal body, a telescopic antenna at the upper end of the positioning terminal body, a display screen at the front end of the positioning terminal body, control buttons below the display screen, an installation cavity inside the positioning terminal body, and an anti-interference component between the positioning terminal body and the installation cavity.

[0008] As a further embodiment of this utility model: the anti-interference component includes a drop-proof elastic buffer layer, a drop-proof elastic buffer layer is provided between the positioning terminal body and the mounting cavity, an electromagnetic wave absorbing layer is wrapped inside the drop-proof elastic buffer layer, a high electromagnetic shielding layer is wrapped inside the electromagnetic wave absorbing layer, and the high electromagnetic shielding layer is wrapped around the outer end of the mounting cavity. The drop-proof elastic buffer layer is made of elastic rubber material, the electromagnetic wave absorbing layer is made of ferrite nanocrystals and carbonyl iron powder composite, and the high electromagnetic shielding layer is made of nickel-zinc ferrite and permalloy foil.

[0009] As a further improvement of this utility model: a processor is provided inside the mounting cavity, a Beidou positioning module is electrically connected to one side of the processor, and a storage module is electrically connected to the side of the processor away from the Beidou positioning module.

[0010] As a further improvement of this utility model: the side of the Beidou positioning module away from the processor is electrically connected to a radio frequency signal module, and the side of the radio frequency signal module is electrically connected to a communication module.

[0011] As a further embodiment of this invention: a digital filtering module is electrically connected to the side of the storage module away from the processor, and a display module is electrically connected to one side of the digital filtering module.

[0012] As a further improvement of this utility model: the rear end of the positioning terminal body is provided with an anti-collision mounting shell, the outer end of the anti-collision mounting shell is provided with a power interface, and the inside of the anti-collision mounting shell is provided with a storage battery. The storage battery can be protected by the anti-collision mounting shell.

[0013] As a further improvement of this utility model: a heat dissipation vent is provided on the side of the main body of the positioning terminal, and a filter screen is provided inside the heat dissipation vent. The heat dissipation vent facilitates heat dissipation of the positioning terminal, and the filter screen can filter dust.

[0014] Compared with the prior art, this utility model provides an anti-interference BeiDou high-precision positioning terminal, which has the following beneficial effects:

[0015] 1. This utility model uses a digital filtering module to reduce noise in the original signal during use. Combined with the collaborative work of the Beidou positioning module and the radio frequency signal module, it ensures accurate and reliable positioning data and reduces errors. At the same time, through the setting of anti-interference components, the electromagnetic wave absorption layer absorbs stray electromagnetic waves in the environment, the high electromagnetic shielding layer blocks strong external electromagnetic field interference, and the drop-proof elastic buffer layer reduces the impact of physical vibration on the internal circuit. This triple protection ensures signal purity and can effectively reduce signal attenuation and external interference in complex electromagnetic environments, improve positioning accuracy, and enhance the practicality of the anti-interference Beidou high-precision positioning terminal.

[0016] 2. In this utility model, the battery is installed inside the anti-collision mounting shell, which can protect the battery and prevent it from being damaged by collisions. The battery can supply power to the positioning terminal. The heat dissipation vent facilitates heat dissipation of the positioning terminal and prevents the terminal from overheating and affecting its use. The filter screen can filter dust and prevent dust from entering the terminal, thus improving the performance of the anti-interference Beidou high-precision positioning terminal.

[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of an anti-interference Beidou high-precision positioning terminal proposed in this utility model;

[0019] Figure 2 This is a front cross-sectional view of an anti-interference BeiDou high-precision positioning terminal proposed in this utility model.

[0020] Figure 3 This is a schematic cross-sectional view of the anti-collision mounting shell structure of a high-precision Beidou positioning terminal with anti-interference capabilities proposed in this utility model.

[0021] Figure 4 This is an enlarged structural diagram of point A of the anti-interference Beidou high-precision positioning terminal proposed in this utility model.

[0022] In the diagram: 1. Positioning terminal main body; 2. Telescopic antenna; 3. Display screen; 4. Control button; 5. Mounting cavity; 6. Shock-proof elastic buffer layer; 7. Electromagnetic wave absorption layer; 8. High electromagnetic shielding layer; 9. Processor; 10. Beidou positioning module; 11. Storage module; 12. Radio frequency signal module; 13. Communication module; 14. Digital filtering module; 15. Display module; 16. Anti-collision mounting shell; 17. Power interface; 18. Battery; 19. Heat dissipation vent; 20. Filter screen. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Example: Please refer to Figures 1-4 This utility model provides a technical solution:

[0026] An anti-interference BeiDou high-precision positioning terminal includes a positioning terminal body 1, a telescopic antenna 2 is provided at the upper end of the positioning terminal body 1, a display screen 3 is provided at the front end of the positioning terminal body 1, a control button 4 is provided below the display screen 3, an installation cavity 5 is provided inside the positioning terminal body 1, and an anti-interference component is provided between the positioning terminal body 1 and the installation cavity 5.

[0027] In this embodiment, the preferred anti-interference component includes a drop-proof elastic buffer layer 6. A drop-proof elastic buffer layer 6 is disposed between the positioning terminal body 1 and the mounting cavity 5. An electromagnetic wave absorbing layer 7 is wrapped inside the drop-proof elastic buffer layer 6. A high electromagnetic shielding layer 8 is wrapped inside the electromagnetic wave absorbing layer 7. The high electromagnetic shielding layer 8 is wrapped around the outer end of the mounting cavity 5. The drop-proof elastic buffer layer 6 is made of elastic rubber material. The electromagnetic wave absorbing layer 7 is made of ferrite nanocrystals and carbonyl iron powder composite. The high electromagnetic shielding layer 8 is made of nickel-zinc ferrite and permalloy foil.

[0028] In this embodiment, preferably, a processor 9 is disposed inside the mounting cavity 5, one side of the processor 9 is electrically connected to a Beidou positioning module 10, and the side of the processor 9 away from the Beidou positioning module 10 is electrically connected to a storage module 11.

[0029] In this embodiment, preferably, the side of the Beidou positioning module 10 furthest from the processor 9 is electrically connected to the radio frequency signal module 12, and the side of the radio frequency signal module 12 is electrically connected to the communication module 13.

[0030] In this embodiment, preferably, the storage module 11 is electrically connected to a digital filter module 14 on the side away from the processor 9, and a display module 15 is electrically connected to one side of the digital filter module 14.

[0031] In this embodiment, the rear end of the preferred positioning terminal body 1 is provided with a collision-resistant mounting shell 16, the outer end of the collision-resistant mounting shell 16 is provided with a power interface 17, and the inside of the collision-resistant mounting shell 16 is provided with a storage battery 18. The storage battery 18 can be protected by the collision-resistant mounting shell 16.

[0032] Working Principle: In this embodiment, the anti-interference Beidou high-precision positioning terminal uses a telescopic antenna 2 to capture Beidou satellite signals. These signals are amplified and converted into digital signals by the radio frequency signal module 12 and transmitted to the processor 9. The processor 9 processes the signals, separates the positioning information, and transmits it to the storage module 11 for temporary storage. Simultaneously, the digital filtering module 14 filters noise and optimizes data quality. The processed positioning data is then visualized on the display screen 3 via the display module 15. Through the anti-interference components, the electromagnetic wave absorption layer 7 absorbs stray electromagnetic waves from the environment, the high electromagnetic shielding layer 8 blocks strong external electromagnetic field interference, and the drop-proof elastic buffer layer 6 reduces the impact of physical vibration on the internal circuitry. This triple protection ensures signal purity. The battery 18 provides power to the positioning terminal, and the heat dissipation vent 19 facilitates heat dissipation, preventing overheating and affecting operation. The filter 20 filters dust, preventing it from entering the terminal.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An anti-interference BeiDou high-precision positioning terminal, comprising a positioning terminal body (1), characterized in that: The upper end of the positioning terminal body (1) is provided with a telescopic antenna (2), the front end of the positioning terminal body (1) is provided with a display screen (3), the lower part of the display screen (3) is provided with a control button (4), the interior of the positioning terminal body (1) is provided with an installation cavity (5), and an anti-interference component is provided between the positioning terminal body (1) and the installation cavity (5).

2. The anti-interference BeiDou high-precision positioning terminal according to claim 1, characterized in that... The anti-interference component includes a drop-proof elastic buffer layer (6). A drop-proof elastic buffer layer (6) is provided between the positioning terminal body (1) and the mounting cavity (5). An electromagnetic wave absorption layer (7) is wrapped inside the drop-proof elastic buffer layer (6). A high electromagnetic shielding layer (8) is wrapped inside the electromagnetic wave absorption layer (7). The high electromagnetic shielding layer (8) is wrapped around the outer end of the mounting cavity (5).

3. The anti-interference BeiDou high-precision positioning terminal according to claim 1, characterized in that... The mounting cavity (5) is equipped with a processor (9), one side of the processor (9) is electrically connected to a Beidou positioning module (10), and the side of the processor (9) away from the Beidou positioning module (10) is electrically connected to a storage module (11).

4. The anti-interference BeiDou high-precision positioning terminal according to claim 3, characterized in that... The Beidou positioning module (10) is electrically connected to a radio frequency signal module (12) on the side away from the processor (9), and a communication module (13) is electrically connected to the side of the radio frequency signal module (12).

5. The anti-interference BeiDou high-precision positioning terminal according to claim 3, characterized in that... The storage module (11) is electrically connected to a digital filter module (14) on the side away from the processor (9), and a display module (15) is electrically connected to the side of the digital filter module (14).

6. The anti-interference BeiDou high-precision positioning terminal according to claim 1, characterized in that... The rear end of the positioning terminal body (1) is provided with an anti-collision mounting shell (16), the outer end of the anti-collision mounting shell (16) is provided with a power interface (17), and the inside of the anti-collision mounting shell (16) is provided with a storage battery (18).

7. The anti-interference BeiDou high-precision positioning terminal according to claim 6, characterized in that... The positioning terminal body (1) has a heat dissipation vent (19) on its side, and a filter screen (20) is provided inside the heat dissipation vent (19).