Vehicle-mounted high-precision navigation equipment

By adopting a double-layer layout structure and screw fixing in the vehicle navigation device, the wiring structure is simplified, solving the problems of excessive device size and complex wiring, achieving device compactness and stability, and improving reliability and service life.

CN223714389UActive Publication Date: 2025-12-23GEXING MICROELECTRONICS TECH CHENGDU CO LTD
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Patent Information

Application Number
CN202520256737.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-23
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The layout and structure of traditional in-vehicle navigation devices result in an excessively large overall size, making it difficult to fit into the installation space inside a vehicle. Furthermore, the complex wiring and signal interference increase production costs and hinder heat dissipation and maintenance.

Method used

The navigation device adopts a dual-layer layout structure. The data processing PCB board and the sensor PCB board are fixed in the bottom shell with screws, and the communication between the two boards is realized through the connector. This simplifies the wiring structure, makes full use of vertical space, and reduces the additional wiring space and device thickness.

Benefits of technology

This achieves compactness and stability of the equipment, reduces the probability of malfunctions, and improves the reliability and service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses vehicle-mounted high-precision navigation equipment, which relates to the technical field of vehicle-mounted equipment, and comprises a data processing PCB (printed circuit board), a sensor PCB, a bottom shell and a sealing cover, the bottom shell and the sealing cover are matched with each other, the data processing PCB is fixed in the bottom shell through screws, the sensor PCB is arranged above the data processing PCB, and the sealing cover is arranged above the data processing PCB. And the sensor PCB is electrically connected with the data processing PCB through an extension socket. The beneficial effects are that double-layer layout is realized, space utilization is greatly optimized, unnecessary spacing and wiring space between modules are reduced, the plane size and thickness of the equipment are effectively controlled, the overall size is obviously reduced, the requirement of a vehicle-mounted environment for equipment compactness is met, the compactness and stability of the equipment structure are enhanced, and the cost is reduced. The fault occurrence probability caused by structure looseness can be effectively reduced, the reliability of equipment is improved, and the service life of the equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted equipment technical field, concretely related to a vehicle-mounted high-precision navigation equipment. BACKGROUND

[0002] In the field of vehicle-mounted equipment, the traditional navigation equipment layout structure is mostly single-layer or simple stacked design. This design method has many disadvantages: on the one hand, single-layer layout makes each functional module arrange in the limited plane space, in order to ensure the normal operation of each module and not interfere with each other, a larger spacing needs to be reserved, which leads to the overall plane size of the equipment being too large, making it difficult to adapt to the limited and irregularly shaped installation space in the car; on the other hand, although the simple stacked layout makes use of the vertical space to a certain extent, due to the complex connection lines between modules, in order to avoid line entanglement and signal interference, additional isolation layer or wiring space needs to be added, which not only increases the thickness of the equipment, but also increases the production cost, and is not conducive to the heat dissipation and maintenance of the equipment.

[0003] For the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems in the related art, the purpose of the utility model is to provide a vehicle-mounted high-precision navigation equipment to overcome the above technical problems existing in the prior art.

[0005] The technical scheme of the utility model is as follows:

[0006] A vehicle-mounted high-precision navigation equipment, comprising: a data processing PCB board and a sensor PCB board, further comprising: a bottom shell and a cover that are mutually adapted, the data processing PCB board is fixed in the bottom shell by screws, the sensor PCB board is arranged above the data processing PCB board, and the sensor PCB board is electrically connected with the data processing PCB board through a power strip;

[0007] The data processing PCB board is electrically connected with an automobile bus interface, and the automobile bus interface extends to one side of the bottom shell at the end;

[0008] The sensor PCB board is electrically connected with a main antenna interface and a slave antenna interface, and the main antenna interface and the slave antenna interface extend to one side of the bottom shell at the end.

[0009] Further, the bottom shell and the cover are fixedly connected by screws.

[0010] Further, a plurality of indicator lights are arranged at the top end of the cover, and the plurality of indicator lights are electrically connected with the data processing PCB board.

[0011] Further, the bottom shell is internally provided with a plurality of studs, and the data processing PCB board is fixed on the studs by screws.

[0012] Further, the sensor PCB board is fixed on the studs by screws.

[0013] Further, the data processing PCB board and the sensor PCB board are arranged in parallel.

[0014] The utility model discloses beneficial effect:

[0015] The utility model discloses through data processing PCB board and sensor PCB board adopt double -deck layout structure, and through screw fixed in bottom shell and through the communication between two boards of rowing, has simplified wiring structure, and the vertical space between double -deck board can be fully utilized, further reduce the additional space needed because of wiring, reduce the thickness of equipment when reducing wiring cost, whole more light and thin, not only realize double -deck layout greatly optimized space utilization, reduced the unnecessary spacing and wiring space between module, make equipment in plane size and thickness all obtain effective control, the overall size is significantly reduced, more fit the compactness requirement of vehicle -mounted environment to equipment, and the compactness and stability of equipment structure are enhanced, can effectively reduce the failure probability caused because of structure slack, improve the reliability and service life of equipment.

[0016] The other features and advantages of the utility model will be set forth in the subsequent specification, and, partially become obvious from the specification, or be understood by implementing the utility model. The purpose and other advantages of the utility model are realized and obtained in the structure specially pointed out in the specification and drawings.

[0017] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken, and the detailed description is made as follows by cooperating with the attached drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0019] Fig. 1 It is the structure schematic view of vehicle -mounted high-precision navigation equipment according to the utility model embodiment;

[0020] Fig. 2 It is the bottom shell schematic view of vehicle -mounted high-precision navigation equipment according to the utility model embodiment.

[0021] Fig.:

[0022] 1, bottom shell; 2, cover; 3, data processing PCB board; 4, sensor PCB board; 5, row plug; 6, automobile bus interface; 7, main antenna interface; 8, slave antenna interface; 9, indicator light. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0024] According to the embodiments of the present application, a vehicle-mounted high-precision navigation device is provided.

[0025] As shown in the drawings, Figs. 1-2 A vehicle-mounted high-precision navigation device includes a data processing PCB board 3 and a sensor PCB board 4, and further includes a bottom shell 1 and a cover 2 that are mutually adapted, the data processing PCB board 3 is fixed in the bottom shell 1 by screws, the sensor PCB board 4 is arranged above the data processing PCB board 3, and the sensor PCB board 4 is electrically connected with the data processing PCB board 3 through a row plug 5.

[0026] The data processing PCB board 3 is electrically connected with an automobile bus interface 6, and the automobile bus interface 6 extends to one side of the bottom shell 1 at the end.

[0027] The sensor PCB board 4 is electrically connected with a main antenna interface 7 and a slave antenna interface 8, and the main antenna interface 7 and the slave antenna interface 8 extend to one side of the bottom shell 1 at the end.

[0028] In the technical solution, the bottom shell 1 and the cover 2 are respectively provided with reserved external interfaces on one side, which are used for fixing the automobile bus interface 6, the main antenna interface 7 and the slave antenna interface 8, and the main antenna interface 7 and the slave antenna interface 8 can adopt unified specifications but different models to prevent reverse insertion by users. At the same time, the automobile bus interface 6 is provided with multiple pins in an integrated manner, and has simple and firm appearance.

[0029] Among them, the bottom shell 1 and the cover 2 are fixedly connected by screws.

[0030] With the above scheme, the double-layer layout structure is adopted by the data processing PCB board 3 and the sensor PCB board 4, and the two boards are fixed in the bottom shell 1 by screws and communicate with each other through the power strip, which simplifies the wiring structure, the vertical space between the double-layer boards can be fully utilized, and the additional space required by wiring is further reduced, which reduces the wiring cost and also reduces the thickness of the device, making the device lighter and thinner, not only greatly optimizing the space utilization of the double-layer layout, but also reducing the unnecessary space between the modules and the wiring space, effectively controlling the plane size and thickness of the device, and significantly reducing the overall size, which is more suitable for the compactness requirement of the device in the vehicle environment, and enhances the compactness and stability of the device structure, which can effectively reduce the probability of failure caused by loose structure and improve the reliability and service life of the device.

[0031] In addition, a plurality of indicator lights 9 are arranged at the top end of the cover 2, and the plurality of indicator lights 9 are electrically connected with the data processing PCB board 3.

[0032] In the technical solution, the cover 2 is provided with a through hole for placing the indicator lights 9, and the plurality of indicator lights 9 can indicate the state of the device, which is convenient for users to check the device and troubleshoot faults.

[0033] In addition, a plurality of studs are arranged in the bottom shell 1, and the data processing PCB board 3 is fixed on the studs by screws. The sensor PCB board 4 is fixed on the studs by screws. The data processing PCB board 3 and the sensor PCB board 4 are arranged in parallel.

[0034] In the technical solution, the data processing PCB board 3 is fixed on the studs by screws, and the two-layer sensor PCB board 4 arranged in parallel is fixed on the studs by screws and reuse, which can be stably installed in the structure and reduce the overall size of the device. The double-layer design can make the overall size of the device smaller, and the function of the data processing PCB board 3 does not interfere with the function of the sensor PCB board 4.

[0035] In addition, for the above-mentioned data processing PCB board 3, an RH850U2A chip can be used to process the data collected by the sensor PCB board 4 and output accurate pose and positioning information.

[0036] In addition, for the above-mentioned sensor PCB board 4, a MEMS inertial sensor and a satellite receiver are integrated, wherein the model of the MEMS inertial sensor can be SCH16T-K01, which contains a gyroscope and an accelerometer, and can collect the components of roll, pitch and heading of the carrier in the space coordinates; the model of the satellite receiver can be UM982, which can receive satellite information of all systems and all frequency points, and output RTK positioning and double-antenna directional solution information, and still provide reliable and accurate positioning in complex electromagnetic environment.

[0037] Specifically, in the application, the bottom shell 1 is provided with mounting ears around the periphery for rigid connection with other objects, thereby playing a role in stable installation, and can be easily installed under the vehicle instrument panel, the seat bottom or other narrow spaces, thereby greatly improving the versatility and applicability of the device and providing strong support for the wide application of the vehicle high-precision navigation device.

[0038] In summary, the above technical scheme of the utility model can achieve the following effects:

[0039] The data processing PCB 3 and the sensor PCB 4 adopt a double-layer layout structure, are fixed in the bottom shell 1 by screws and realize communication between the two plates by the extension socket, the wiring structure is simplified, the vertical space between the double-layer plates can be fully utilized, the additional space required due to wiring is further reduced, the wiring cost is reduced, the thickness of the device is reduced, the device is light and thin, the space utilization is greatly optimized by the double-layer layout, unnecessary spacing and wiring space between modules are reduced, the device is effectively controlled in the planar size and the thickness, the overall size is significantly reduced, the device is more suitable for the requirement of compactness of the vehicle environment, the compactness and stability of the device structure are enhanced, the probability of failure caused by loose structure is effectively reduced, the reliability and service life of the device are improved.

[0040] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-precision navigation device for a vehicle, comprising: The data processing PCB board (3) and the sensor PCB board (4) are characterized in that further comprising: a bottom shell (1) and a cover (2) which are matched with each other, the data processing PCB board (3) is fixed in the bottom shell (1) by screws, the sensor PCB board (4) is arranged above the data processing PCB board (3), and the sensor PCB board (4) is electrically connected with the data processing PCB board (3) through a power strip (5); The data processing PCB board (3) is electrically connected with a vehicle bus interface (6), and the vehicle bus interface (6) extends to one side of the bottom shell (1) at an end. The sensor PCB board (4) is electrically connected with a main antenna interface (7) and a slave antenna interface (8), and the main antenna interface (7) and the slave antenna interface (8) extend to one side of the bottom shell (1) at ends.

2. The vehicle-mounted high-precision navigation device according to claim 1, wherein The bottom shell (1) and the cover (2) are fixedly connected by screws.

3. The vehicle-mounted high-precision navigation device according to claim 1, wherein The cover (2) is provided with a plurality of indicator lights (9) at a top end, and the plurality of indicator lights (9) are electrically connected with the data processing PCB board (3).

4. The vehicle-mounted high-precision navigation device according to claim 1, wherein The bottom shell (1) is provided with a plurality of studs, and the data processing PCB board (3) is fixed on the studs by screws.

5. The on-board high-precision navigation device according to claim 4, characterized in that, The sensor PCB board (4) is fixed on the studs by screws.

6. The vehicle-mounted high-precision navigation device according to claim 1, wherein The data processing PCB board (3) and the sensor PCB board (4) are arranged in parallel.