Whole vehicle arrangement structure of unmanned delivery vehicle

Abstract

This invention discloses an overall layout structure for an unmanned delivery vehicle, belonging to the field of unmanned vehicle technology. It includes: an integral vehicle frame; a battery bracket mounting assembly connected to the belly of the integral vehicle frame; a power battery mounted on the battery bracket mounting assembly; a chassis side protection assembly mounted on the outside of the integral vehicle frame; a raised bracket mounting assembly connected to the upper wing surface of the integral vehicle frame; a lower bumper mounting assembly mounted on the chassis side protection assembly and the raised bracket mounting assembly; front and rear suspensions mounted on corresponding brackets on the lower wing surface of the integral vehicle frame; front and rear axles connected to leaf springs; tires connected to the front and rear axles; an electronically controlled steering system mounted on the front axle; a chassis electrical component mounting bracket assembly connected to the integral vehicle frame; a high-voltage power distribution box and a two-in-one controller mounted on the chassis electrical component mounting bracket; a braking system connected to the integral vehicle frame; and a superstructure system connected to the upper surface of the raised bracket mounting assembly. This optimizes the overall vehicle space layout and improves the convenience of assembly and maintenance.

Description

Technical Field

[0001] This invention relates to the field of unmanned vehicle technology, and in particular to an overall layout structure for an unmanned delivery vehicle. Background Technology

[0002] Currently, most unmanned delivery vehicles adopt an architecture of "multi-sensor fusion + drive-by-wire chassis + cargo box". The cost of large-scale procurement of automotive-grade components has dropped significantly to below 100,000 yuan, and the technical solutions are becoming mature. However, how to comprehensively consider the high-volume cargo box layout, the sensor arrangement under all working conditions, and the integration of redundant safety systems within the limited vehicle size has become a key problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0003] To address the problems of existing technologies, this invention provides an overall layout structure for an unmanned delivery vehicle, comprising:

[0004] integral frame;

[0005] The battery bracket mounting assembly is connected to the belly surface of the overall vehicle frame;

[0006] The power battery is mounted on the battery bracket mounting assembly;

[0007] The chassis side protection assembly is mounted on the outside of the overall vehicle frame;

[0008] Raise the bracket mounting assembly and connect it to the upper wing surface of the overall vehicle frame;

[0009] The lower enclosure mounting assembly is mounted on the chassis side protection assembly and the lift bracket mounting assembly;

[0010] The front and rear suspensions are mounted on the corresponding brackets on the lower wing surface of the overall frame;

[0011] The front and rear axles are connected to the leaf springs of the overall frame;

[0012] Tires, connected to the front and rear axles;

[0013] An electronically controlled steering system is mounted on the front axle;

[0014] Chassis electrical component mounting bracket assembly, connected to the overall vehicle frame;

[0015] The high-voltage distribution box and the two-in-one controller are mounted on the chassis electrical component mounting bracket;

[0016] The braking system is connected to the overall frame;

[0017] The upper structure system is connected to the upper surface of the raised bracket mounting assembly.

[0018] Furthermore, the overall vehicle frame includes: a front frame, a middle frame, and a rear frame;

[0019] Each frame section consists of longitudinal beams and crossbeams. The crossbeams are connected to the longitudinal beams by bolts, and each frame section is connected to the others by connecting plates and bolts.

[0020] Furthermore, the battery bracket mounting assembly is connected to the intermediate section of the vehicle frame and is equipped with a forklift forklift position;

[0021] The battery bracket mounting assembly is equipped with a lower protective plate for the battery and a front mudguard.

[0022] Furthermore, both the front suspension and the rear suspension are equipped with limit blocks and shock absorbers;

[0023] The front and rear axles are connected to the leaf springs via leaf spring cover plates and U-bolts.

[0024] Furthermore, the chassis electrical component mounting bracket assembly is bolted to the front frame crossbeam and the middle frame crossbeam;

[0025] The two-in-one controller is installed on the front frame crossbeam support, and the high-voltage distribution box is installed on the middle frame crossbeam support, located above the battery.

[0026] Furthermore, it also includes: a front fascia system, located at the front of the vehicle, the front fascia consisting of a skin and a frame assembly.

[0027] Furthermore, the battery, brake-by-wire assembly, battery swapping controller, power supply box, 12V high-current relay, switch and router, ultrasonic controller, voice speaker, integrated navigation, time synchronization box, domain controller, and fuse box are arranged inside the front system and distributed around the access panel assembly.

[0028] The access panel assembly is located on the lower front of the front fascia, while the camera and radar are located on the top and sides of the front fascia, and the charging port is located on the lower right side of the front fascia.

[0029] Furthermore, the braking system includes brake lines, EPB, and brake-by-wire assembly;

[0030] The brake-by-wire assembly is located in the front fascia, the EPB is located on the upper wing of the rear frame, and the brake lines are located inside the overall frame.

[0031] Furthermore, the lower enclosure mounting assembly has openings around it for mounting ultrasonic sensors, front and rear openings for mounting headlights and taillights, left and right openings for mounting turn signals, and a rear opening for mounting a camera and millimeter-wave radar. A debugging port is provided on its right side, and an OBD and front access port pull switch are installed inside the adjustment port.

[0032] The beneficial effects of the technical solution provided by the embodiments of the present invention are as follows: The present invention provides a method for arranging the entire vehicle of an unmanned delivery vehicle. The arrangement is reasonable, effectively avoiding the problems of messy layout and spatial conflict of various systems, maximizing the use of the vehicle space, and reserving sufficient margin for the loading space of the upper body system, adapting to the cargo loading needs of unmanned delivery scenarios, and improving vehicle delivery efficiency. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is an overall schematic diagram of the layout structure of the unmanned delivery vehicle of the present invention;

[0035] Figure 2 This is a top view of a chassis system layout scheme provided by the present invention;

[0036] Figure 3 This is a front view of a chassis system layout scheme provided by the present invention;

[0037] Figure 4 This is a schematic diagram of the arrangement scheme of the brake pipeline of the chassis system provided by the present invention;

[0038] Figure 5 This is a front view of a front-end system layout scheme provided by the present invention;

[0039] Attached reference numerals: 1-Front frame, 2-Middle frame, 3-Rear frame, 4-Lower bumper mounting assembly, 5-Chassis side protection assembly, 6-Rear axle, 7-Rear suspension, 8-Raised bracket mounting assembly, 9-EPB, 10-Battery bracket mounting assembly, 11-Power battery, 12-High voltage distribution box, 13-Chassis electrical component bracket mounting assembly, 14-Connecting plate, 15-Electric steering system, 16-Front axle, 17-Two-in-one controller, 18-Front suspension, 19-Tire, 20- 21-Debugging port, 22-Brake line, 23-Battery, 24-Wire brake assembly, 25-Battery swapping controller, 26-Power supply box, 27-12V high current relay, 28-Switch and router, 29-Charging port, 30-Ultrasonic controller, 31-Voice speaker, 32-Combined navigation, 33-Camera, 34-Radar, 35-Skin, 36-Frame assembly, 37-Time synchronization box, 38-Domain controller, 39-Fuse box, 40-Main body assembly. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0042] See Figures 1-5 An unmanned delivery vehicle layout structure is disclosed, mainly comprising a chassis system, a front fascia system, a superstructure system, a braking system, and a wiring harness system. The chassis system provides the mounting surface for the superstructure system and the front fascia system; the front fascia system integrates sensor modules and is located at the front of the vehicle; the superstructure system adopts an assembly design and is positioned above the chassis system; the braking system uses a brake-by-wire system and is located within the front fascia system; the wiring harness system uses a combination of main lines and branch lines, laid along a pre-defined path within the chassis system. This invention achieves deep integration and efficient integration of the various systems, optimizes the overall vehicle spatial layout, improves the convenience of assembly and maintenance, and ensures the stability and reliability of signal transmission.

[0043] The chassis system includes an overall frame, which consists of a front frame 1, a middle frame 2, and a rear frame 3. Each frame section includes longitudinal beams and cross beams. The cross beams are connected to the longitudinal beams by bolts. Each frame section is connected to the others by connecting plates 14 and bolts to form the overall frame.

[0044] The battery bracket mounting assembly 10 is connected to the belly of the intermediate frame 2 and is equipped with a forklift fork towing position. The battery bracket mounting assembly 10 is equipped with a lower protective plate for the battery and a front mudguard. The power battery 11 is mounted on the battery bracket mounting assembly 10.

[0045] The chassis side protection assembly 5 is bolted to the outside of the overall vehicle frame. The lifting bracket mounting assembly 8 is arranged on the upper wing of the overall vehicle frame and connected to the overall vehicle frame by bolts. The lower bumper mounting assembly 4 is bolted to the chassis side protection assembly 5 and the lifting bracket mounting assembly 8. The lower bumper mounting assembly 4 is an externally detachable structure, which improves the convenience of chassis component maintenance. The lower bumper mounting assembly 4 has openings around it for mounting ultrasonic sensors. The front and rear side openings are for mounting headlights and taillights, and the left and right side openings are for mounting turn signals. At the same time, the rear side opening is for mounting a camera and millimeter-wave radar. An adjustment port 20 is set on its right side. The adjustment port 20 contains the OBD and front face inspection port cable switch.

[0046] The front suspension 18 and the rear suspension 7 are respectively mounted on the corresponding brackets on the lower fenders of the front frame 1 and the rear frame 3, and are connected by leaf spring pins. The leaf spring pins are equipped with oil inlets. Both the front suspension 18 and the rear suspension 7 are equipped with limit blocks and shock absorbers.

[0047] The front axle 16 and the rear axle 6 are connected to the leaf springs of the front frame 1 and the rear frame 3 respectively via leaf spring covers and U-bolts. The electric steering gear 15 is mounted on the front axle 16. The tire 19 is connected to the front axle 16 and the rear axle 6.

[0048] The chassis electrical component mounting bracket assembly 13 is located on the outside of the vehicle frame and is bolted to the crossbeams of the front frame 1 and the middle frame 2. The high-voltage distribution box 12 and the two-in-one controller 17 are mounted on the chassis electrical component mounting bracket 13. The two-in-one controller 17 is mounted on the crossbeam bracket of the front frame 1, and the high-voltage distribution box 12 is mounted on the crossbeam bracket of the middle frame 2, located above the battery.

[0049] The front fascia system consists of a skin 34 and a frame assembly 35. The frame assembly 35 is connected to the front frame 1, and the skin 34 is connected to the outside of the frame assembly 35. The battery 22, drive-by-wire brake assembly 23, battery swapping controller 24, power supply box 25, 12V high-current relay 26, switch and router 27, ultrasonic controller 29, voice speaker 30, integrated navigation 31, timing synchronization box 36, domain controller 37, and fuse box 38 are located inside the front fascia system, distributed around the access panel assembly 39. The access panel assembly 39 is located on the lower front of the front fascia for easy debugging and maintenance. Cameras 32 and radar 33 are located on the top and sides of the front fascia, and the charging port 28 is located on the lower right side of the front fascia. Both cameras 32 and radar 33 have protective covers on their outer sides; the specific placement and number can be adjusted according to the sensing scheme.

[0050] The braking system consists of brake lines 21, EPB 9, brake-by-wire assembly 23, etc.; brake-by-wire assembly 23 is located in the front system, EPB 9 is connected to the upper wing surface of the rear frame 3, and brake lines 21 are located inside the overall frame.

[0051] The upper structure system 40 is bolted to the upper surface of the raised bracket mounting assembly 8.

[0052] It is worth noting that, firstly, this invention uses the chassis system as the core installation benchmark, rationally divides the layout areas of each system, integrates sensor modules and various control components in the front system, adopts an assembly design and is mounted on the chassis, the braking system is centrally located in the front system, and the wiring harness system is laid along the preset path of the chassis, effectively avoiding the problems of messy layout and spatial conflict of each system, maximizing the use of the vehicle space, and reserving sufficient margin for the loading space of the upper system, adapting to the cargo loading needs of unmanned delivery scenarios, and improving vehicle delivery efficiency.

[0053] Second: The chassis system adopts a segmented design for the overall frame. The longitudinal beams and cross beams of each frame segment are connected by bolts, which facilitates the disassembly, assembly and transportation of the frame. The battery bracket mounting assembly is designed with a forklift forklift to facilitate the hoisting, replacement and maintenance of the power battery.

[0054] Third: The chassis system is equipped with a chassis side protection assembly, and the battery bracket mounting assembly is equipped with a battery underside protection plate and a front mudguard, which can effectively protect chassis components and power batteries from external impacts and mud and sand corrosion; the cameras and radars are equipped with protective covers to prevent the sensors from being affected by dust, rain, impacts, etc., and to ensure the normal operation of the perception system; all components are bolted together, which is secure and easy to disassemble and replace, reducing the repair cost after component damage and extending the service life of the whole vehicle and its components.

[0055] Fourth: The segmented design of the overall vehicle frame and the bolt connection method of each component make it easy to adjust the structure and size of the superstructure system according to different delivery needs; the placement and number of cameras and radars can be flexibly adjusted according to the perception scheme to adapt to the autonomous driving perception needs of different road conditions and delivery scenarios; the design of the battery bracket mounting assembly is compatible with different specifications of power batteries, which facilitates future battery upgrades and replacements, improves the vehicle's versatility and expandability, and reduces product iteration costs.

[0056] Fifth: The power battery is installed on the belly of the middle section of the frame, and electrical components such as the high-voltage distribution box and the two-in-one controller are reasonably distributed on the frame crossbeam support, which effectively optimizes the distribution of the vehicle's center of gravity, avoids center of gravity shift, improves the stability and handling of the vehicle during driving, reduces the risk of vehicle rollover and loss of control in autonomous driving scenarios, and further ensures driving safety.

[0057] The sequence numbers of the above embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A vehicle layout structure for an unmanned delivery vehicle, characterized in that, include: integral frame; The battery bracket mounting assembly (10) is connected to the belly surface of the overall vehicle frame; The power battery (11) is mounted on the battery bracket mounting assembly (10); The chassis side protection assembly (5) is installed on the outside of the overall vehicle frame; The raised bracket mounting assembly (8) is connected to the upper wing surface of the overall vehicle frame; The lower enclosure mounting assembly (4) is mounted on the chassis side protection assembly (5) and the lift bracket mounting assembly (8); The front suspension (18) and the rear suspension (7) are mounted on the corresponding brackets on the lower wing surface of the integral frame; The front axle (16) and the rear axle (6) are connected to the leaf springs of the overall frame; Tire (19) is connected to the front axle (16) and the rear axle (6); An electronically controlled steering system (15) is mounted on the front axle (16); The chassis electrical component mounting bracket assembly (13) is connected to the overall vehicle frame; The high-voltage distribution box (12) and the two-in-one controller (17) are mounted on the chassis electrical component mounting bracket (13); The braking system is connected to the overall frame; The upper system (40) is connected to the upper surface of the raised bracket mounting assembly (8).

2. The overall layout structure of the unmanned delivery vehicle according to claim 1, characterized in that, The overall frame includes: a front frame (1), a middle frame (2) and a rear frame (3); Each frame section includes longitudinal beams and crossbeams. The crossbeams are connected to the longitudinal beams by bolts. Each frame section is connected to the others by connecting plates (14) and bolts.

3. The overall layout structure of the unmanned delivery vehicle according to claim 2, characterized in that, The battery bracket mounting assembly (10) is connected to the intermediate section of the frame (2) and is equipped with a forklift forklift position; The battery bracket mounting assembly (10) is provided with a lower protective plate and a front mudguard.

4. The overall layout structure of the unmanned delivery vehicle according to claim 1, characterized in that, Both the front suspension (18) and the rear suspension (7) are equipped with limit blocks and shock absorbers; The front axle (16) and the rear axle (6) are connected to the leaf spring via leaf spring cover plates and U-bolts.

5. The overall layout structure of the unmanned delivery vehicle according to claim 2, characterized in that, The chassis electrical component mounting bracket assembly (13) is connected to the crossbeam of the front section frame (1) and the crossbeam of the middle section frame (2) by bolts; The two-in-one controller (17) is installed at the crossbeam support of the front frame (1), and the high-voltage distribution box (12) is installed at the crossbeam support of the middle frame, located above the battery.

6. The overall layout structure of the unmanned delivery vehicle as described in claim 2, characterized in that, Also includes: The front fascia system is located at the front of the vehicle and consists of a skin (34) and a frame assembly (35).

7. The overall layout structure of the unmanned delivery vehicle as described in claim 6, characterized in that, The battery (22), the wire brake assembly (23), the battery swapping controller (24), the power supply box (25), the 12V high current relay (26), the switch and router (27), the ultrasonic controller (29), the voice speaker (30), the integrated navigation (31), the time synchronization box (36), the domain controller (37), and the fuse box (38) are arranged inside the front face system and distributed around the inspection port assembly (39); The access panel assembly (39) is located on the lower front side of the front face, the camera (32) and radar (33) are arranged on the top and side of the front face, and the charging port (28) is arranged on the lower right side of the front face.

8. The overall layout structure of the unmanned delivery vehicle as described in claim 7, characterized in that, The braking system includes a brake line (21), an EPB (9), and a brake-by-wire assembly (23). The brake-by-wire assembly (23) is located in the front face, the EPB (9) is located on the upper wing of the rear frame (3), and the brake line (21) is located inside the overall frame.

9. The overall layout structure of the unmanned delivery vehicle as described in claim 7, characterized in that, The lower enclosure mounting assembly (4) has openings around it for mounting ultrasonic sensors, front and rear openings for mounting headlights and taillights, left and right openings for mounting turn signals, and rear openings for mounting cameras and millimeter-wave radar. A debugging port (20) is provided on its right side, and an OBD and front inspection port pull switch is provided inside the adjustment port (20).

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