Electricity changing vehicle guiding and positioning device

Abstract

The utility model discloses a guiding and positioning device for a battery changing vehicle, which relates to the technical field of battery changing of battery changing heavy trucks and comprises a guiding mechanism and a positioning mechanism. The guiding mechanism comprises a camera and a display screen, the camera is electrically connected with the display screen, and the camera and the display screen are installed on a battery replacing station. The positioning mechanism comprises a slide rail device and a laser ranging device; the sliding rail device is installed on a battery replacing station box body, and the laser distance measuring device is connected to the sliding rail device. When a vehicle enters a battery replacing station, a battery pack image generated by the camera is displayed on the display screen, a driver is guided to stop the battery pack in a set area, after the vehicle is stopped, the sliding rail device drives the laser ranging device to start scanning the side face of the battery pack, the position and angle of the battery pack are obtained, and therefore the follow-up battery replacing action is completed. According to the scheme, a camera and laser ranging combined recognition scheme is adopted, the method is suitable for different vehicle types, the misrecognition probability is reduced under the extreme weather environment, and the battery replacement success rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery swap heavy truck, especially to a battery swap vehicle guiding and positioning device. BACKGROUND

[0002] In recent years, new energy heavy truck develops rapidly, battery swap heavy truck breaks through the bottleneck of pure electric heavy truck endurance mileage and long charging time, accelerates the market share of electric heavy truck in the field of new energy heavy truck, and the heavy truck battery swap station has become a necessary supporting facility for the development of battery swap heavy truck.

[0003] The new energy heavy truck needs to be guided and positioned when swapping batteries at the battery swap station, in the existing scheme, the guiding system mostly uses a deceleration zone or a guide line for guiding, and the positioning module mostly uses a 3D camera, which has poor applicability for different vehicle models, and the battery pack cannot be recognized in extreme weather environment. UTILITY MODEL CONTENT

[0004] In order to solve the problems in the prior art, the utility model provides a battery swap vehicle guiding and positioning device, which comprises a guiding mechanism and a positioning mechanism.

[0005] The guiding mechanism comprises a camera and a display screen, the camera is electrically connected with the display screen, and the camera and the display screen are installed on the battery swap station.

[0006] The positioning mechanism comprises a slide rail device and a laser ranging device, the slide rail device is installed on the battery swap station box body, and the laser ranging device is connected to the slide rail device.

[0007] Further, the camera is installed on the top of the battery swap station, and the display screen is installed on the obliquely front position below the roof of the battery swap station.

[0008] Further, the slide rail device comprises:

[0009] a slide rail installed on the battery swap station box body;

[0010] a servo motor connected with the slide rail;

[0011] The laser ranging device is connected to the sliding block of the slide rail through a support.

[0012] Further, the slide rail device further comprises:

[0013] a protective cover installed on the battery swap station box body, and the slide rail, the servo motor and the laser ranging device are located in the protective cover;

[0014] And a gap for the laser beam of the laser ranging device is formed on the protective cover.

[0015] Further, the slide rail device is kept horizontal with the ground.

[0016] Further, both ends of the slide rail are connected with limiting blocks.

[0017] Further, the laser ranging device is a laser range finder.

[0018] The beneficial effects of the technical scheme provided by the utility model are: the utility model discloses guiding mechanism and positioning mechanism, guiding mechanism includes: camera and display screen, positioning mechanism includes slide rail device and the laser ranging device of installing on slide rail device, when the vehicle enters the battery swap station, the battery pack image generated by the camera is displayed on the display screen, guiding the driver to stop the battery pack in the set area, after the vehicle is parked, the slide rail device drives the laser ranging device to start scanning the side of the battery pack, and the position and angle of the battery pack are obtained, so that the subsequent battery swap action is completed, the scheme adopts the camera and laser ranging combined identification scheme, is applicable to different vehicle models, reduces the misidentification probability under extreme weather environment, and improves the battery swap success rate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall arrangement drawing of the battery swap vehicle guiding and positioning device provided by the utility model;

[0020] Figure 2 It is the visual guiding schematic drawing of the battery pack provided by the utility model;

[0021] Figure 3 It is the structural schematic drawing of the positioning mechanism provided by the utility model;

[0022] Figure 4 It is the positioning principle schematic drawing of the positioning mechanism provided by the utility model;

[0023] Figure 5 It is the guiding and positioning system flow schematic drawing provided by the utility model.

[0024] Fig. 1- camera; 2- display screen; 3- slide rail device; 4- laser ranging device; 5- slide rail; 6- servo motor; 7- support; 8- sliding block; 9- protective cover; 10- gap; 11- limiting block; 12- guiding schematic frame, 13- actual position of battery. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model embodiment will be described in further detail below in combination with the drawings.

[0027] It should be noted that in the present embodiment, the orientation or positional relationship indicated by "bottom", "top", "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0028] It should also be noted that in the present embodiment, unless otherwise explicitly specified and limited, the terms "arranged", "connected" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be directly connected, or indirectly connected through an intermediate medium, and can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Referring to Figure 1 A battery replacement vehicle guiding and positioning device, comprising: a guiding mechanism and a positioning mechanism; the guiding mechanism comprises: a camera 1 and a display screen 2, the camera 1 is electrically connected with the display screen 2, and the camera 1 and the display screen 2 are installed on a battery replacement station.

[0030] In actual use, the camera 1 is arranged at the top of the battery replacement station and the central axis position of the battery replacement channel, different guiding schematic boxes are calibrated according to different vehicle models, and the calibration criteria are as follows: during the forward and backward movement of the battery in the forward direction of the vehicle, the battery is ensured not to hit the front of the vehicle when moving forward, and the battery is ensured not to hit the hanging or upper part when moving backward. The display screen 2 is installed at the obliquely front position of the roof of the battery replacement station, when the vehicle enters the battery replacement station, the battery pack image generated by the camera 1 is displayed on the display screen 2, the driver can conveniently stop the battery pack in the set area through the image of the display screen interface, as shown in Figure 2 The guiding schematic box 12 and the actual position of the battery 13, the driver moves the vehicle to the position where the battery pack is entirely located in the guiding schematic box, that is, the vehicle is positioned.

[0031] Referring to Figure 3, the positioning mechanism comprises: a slide rail device 3 and a laser ranging device 4, the slide rail device 3 is installed on the battery swap station box, the height of the slide rail device 3 is lower than the height of the battery operation channel and higher than the height of the battery base of the battery swap vehicle; the slide rail device 3 is kept horizontal with the ground, the slide rail device 3 comprises: a protective cover 9 and a slide rail 5, the slide rail 5 can be a ball screw slide rail or a synchronous belt slide rail (both are existing structures, which will not be described here); the protective cover 9 is installed on the battery swap station box, the slide rail 5 is connected in the protective cover 9, the end of the slide rail 5 is connected with a servo motor 6, the servo motor 6 can drive the slide rail 5, the servo motor 6 rotates to drive the pulley to rotate, the pulley drives the synchronous belt to move through the toothed engagement, or the servo motor 6 rotates to drive the screw to rotate, so that the sliding block 8 connected to the synchronous belt or the ball nut seat moves, the laser ranging device 4 is a laser range finder, which is installed on the sliding block 8 through a support 7, the support 7 can be an L-shaped or U-shaped metal support, one end of the support 7 is fixed on the sliding block 8, and the other end of the support 7 is installed with the laser range finder; the sliding block 8 moves to drive the laser ranging device 4 to move; the laser ranging device 4 is located in the protective cover 9, the protective cover 9 is a full envelope structure, and a gap 10 for the laser beam of the laser ranging device 4 to pass through is formed in the side wall of the protective cover 9 along the movement direction of the laser ranging device 4.

[0032] In addition, the two ends of the slide rail 5 are connected with limiting blocks 11, the positions of the limiting blocks can be adjusted, the positions of the limiting blocks are determined according to the front and rear limit positions of the battery pack in the battery pack replaceable area of the battery pack guiding device, and the positions of the limiting blocks are determined to ensure that the battery pack can be parked between the two end limiting blocks after the vehicle is positioned.

[0033] When the vehicle is positioned, the slide rail 5 starts to slide to drive the laser range finder to start scanning, and the position of the slide rail and the data returned by the laser range finder are recorded, Figure 4 It is a schematic diagram of the working principle, 11 is a limiting block, 12 is a guiding schematic box, the positions of the limiting blocks are in front of and behind the guiding schematic box respectively, and there is a 10cm gap. The camera 1, the laser ranging device 4 and the slide rail device are electrically connected with the upper computer, the upper computer receives the camera data, the camera visual recognition is performed, the battery pack is judged to be positioned, when the vehicle arrives, the laser range finder on the slide rail slides from the start end of the limiting block to the end of the limiting block, continuously scans the side distance of the battery pack 2 and sends the distance to the upper computer, finally the position of the battery pack is obtained, whether the battery can be replaced is judged according to the result, if the battery can be replaced, the battery pack coordinates and direction information are sent to the battery pack grabbing mechanism, and the battery replacement operation is completed. After the battery replacement is successful, the vehicle leaves, the guiding module judges that the vehicle has left, and triggers the slide rail zero operation, and completes the battery replacement once.

[0034] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A battery swap vehicle guiding and positioning device, characterized in that, The application relates to a guiding mechanism and a positioning mechanism. The guiding mechanism comprises a camera (1) and a display screen (2), the camera (1) is electrically connected with the display screen (2), and the camera (1) and the display screen (2) are installed on a battery replacement station. The positioning mechanism comprises a sliding rail device (3) and a laser ranging device (4), the sliding rail device (3) is installed on a battery replacement station box body, and the laser ranging device is connected to the sliding rail device. The camera (1) is installed on the top of the battery replacement station and at the central axis position of a battery replacement channel, and the display screen (2) is installed on the obliquely front position below the roof of the battery replacement station.

2. The battery swap vehicle guiding and positioning device according to claim 1, characterized in that, The sliding rail device (3) comprises: 3.The battery swap vehicle guiding and positioning apparatus according to claim 1, characterized in that, a sliding rail (5) installed on the battery replacement station box body, a servo motor (6) connected with the sliding rail (5), and the laser ranging device (4) is connected to a sliding block (8) of the sliding rail (5) through a support (7). The sliding rail device (3) further comprises:

4. The battery swap vehicle guiding and positioning device according to claim 3, characterized in that, a protective cover (9) installed on the battery replacement station box body, the sliding rail (5), the servo motor (6) and the laser ranging device (4) are located in the protective cover (9), and a gap (10) for a laser beam of the laser ranging device (4) is formed on the protective cover (9). The sliding rail device is kept horizontal with the ground.

5. The battery swap vehicle guiding and positioning device according to claim 3, characterized in that, Both ends of the sliding rail (5) are connected with limiting blocks (11).

6. The battery swap vehicle guiding and positioning device according to claim 4, characterized in that, The laser ranging device (4) is a laser range finder.

7. The battery swap vehicle guiding and positioning device according to claim 1, characterized in that, ​

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