Mobile robot navigation system and pointing lamp thereof

Abstract

The utility model discloses a mobile robot navigation system and a pointing lamp thereof. The mobile robot navigation system comprises a mobile robot and a cargo storage area, an image acquisition camera is arranged on the mobile robot; a plurality of pointing lamps are embedded in the ground of the cargo storage area; the pointing lamp comprises a lamp holder, and a motor and a lamp panel which are positioned in the lamp holder; the lamp panel is connected with the motor; the lamp panel is provided with a light-transmitting area and a non-light-transmitting area. The mobile robot navigation system and the pointing lamps thereof are simple in structure and high in practicability, the pointing lamps are connected to form a walking track of the mobile robot, and the mobile robot recognizes indication information of the pointing lamps through the image acquisition camera and moves along the walking track according to indication of the pointing lamps. The accuracy of position movement is ensured, and the working reliability of the mobile robot is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of storage equipment, in particular to a mobile robot navigation system and a direction light thereof. Background Art

[0002] With the continuous development of intelligent warehousing technology, material transfer is increasingly being accomplished using mobile robots. Mobile robots can perform tasks autonomously, accepting human commands or running pre-programmed programs to control their movement trajectory, enabling material transfer. Replacing traditional manual labor with mobile robots not only improves work efficiency but also reduces labor costs. However, when mobile robots repeatedly perform long round-trip operations, they accumulate motion errors, resulting in deviations between their initial and final positions. This affects the positioning accuracy of the mobile robot, thereby compromising the efficiency and reliability of material transfer. Therefore, to address these challenges and technical requirements, improvements to existing mobile robots are necessary. Summary of the Invention

[0003] The purpose of the utility model is to provide a mobile robot navigation system and its direction light, which have a simple structure and strong practicality, effectively solve the problem of movement deviation of mobile robots caused by long-term repeated back and forth work in the prior art, and improve the reliability of the mobile robot's work.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A mobile robot navigation system includes a mobile robot and a cargo storage area; the mobile robot is provided with an image acquisition camera; a plurality of directional lights are buried in the ground of the cargo storage area; the directional lights include a lamp holder, a motor located in the lamp holder, and a lamp panel; the lamp panel is connected to the motor; and the lamp panel is provided with a light-transmitting area and a non-light-transmitting area.

[0006] In the utility model, directional lights are set in the cargo storage area, and the directional lights are connected to form a walking track of the mobile robot. The mobile robot uses an image acquisition camera to identify the directional lights and moves along the walking track according to the instructions of the light-transmitting area of ​​the directional lights, thereby avoiding the movement deviation of the mobile robot.

[0007] In the utility model, the motor is used to drive the lamp panel to rotate, thereby changing the indication information directed to the light-transmitting area on the lamp, and the flexibility is high.

[0008] Preferably, the directional lights are arranged in an array. Further preferably, the spacing between each directional light is equal. For directional lights in the same row, the spacing between adjacent lights is equal; for directional lights in the same column, the spacing between adjacent lights is equal; and the spacing between adjacent directional lights in the same row is equal to the spacing between adjacent directional lights in the same column.

[0009] Preferably, a driving gear is provided on the output shaft of the motor; a driven gear is provided on the lamp panel; the driving gear and the driven gear are meshed. The motor is used to drive the driving gear to rotate, thereby driving the driven gear to rotate, and further driving the lamp panel to rotate, thereby changing the indication of the light transmission area of ​​the directional lamp.

[0010] Preferably, the driven gear is provided with a shaft; the other end of the shaft is rotatably connected to the lamp holder. One end of the shaft is connected to the driven gear, and the other end is rotatably connected to the lamp holder, thereby improving the rotation stability of the lamp panel.

[0011] Furthermore, the lamp panel includes a lamp housing, a lamp tube, and a cover plate; the lamp housing is connected to a motor; the lamp tube is located within the lamp housing; and the cover plate covers the lamp housing. Furthermore, preferably, the cover plate is provided with a light-transmitting area and a non-light-transmitting area. The lamp housing is used to accommodate the lamp tube, and if the lamp tube is damaged, the cover plate can be opened for repair.

[0012] Preferably, the light-transmitting area is in the shape of an arrow, and the mobile robot moves according to the indication of the arrow.

[0013] Furthermore, the mobile robot is an AGV or a four-way shuttle. The type of mobile robot is selected according to actual needs and does not affect the realization of the technical effect of the utility model.

[0014] In the present invention, the mobile robot has the basic components and structure of a conventional mobile robot, such as a central processing module. The image acquisition camera is conventionally electrically connected to the central processing module. The image acquisition camera transmits the recognized information to the central processing module. The central processing module controls the mobile robot based on the received information. The specific control method is a conventional technology and does not affect the understanding of the present invention by those skilled in the art.

[0015] In the utility model, a conventional power supply is also provided in the direction lamp for supplying power to the motor and the lamp panel.

[0016] In the present invention, the method of adjusting the direction of the arrow mark on each directional light is a conventional technology, which can be controlled by the conventional SCADA (Supervisory Control And Data Acquisition) system of the warehouse system and does not affect the understanding of the present invention by those skilled in the art.

[0017] The utility model also discloses a directional lamp, comprising a lamp holder, a motor located in the lamp holder, and a lamp panel; the lamp panel is connected to the motor; and a light-transmitting area and a non-light-transmitting area are provided on the lamp panel.

[0018] Due to the application of the above-mentioned technical solution, the beneficial effects of the present invention compared with the prior art are: by arranging directional lights in the cargo storage area, the directional lights are connected to form the walking trajectory of the mobile robot, and the mobile robot uses the image acquisition camera to identify the indication information of each directional light, and moves along the walking trajectory according to the indication of the directional light, thereby ensuring the accuracy of position movement, solving the problem of movement deviation of the mobile robot caused by long-term repeated back and forth work in the prior art, and improving the reliability of the mobile robot; by arranging a motor to drive the light panel to rotate, the direction of the arrow mark on each directional light can be adjusted, thereby changing the walking trajectory, with high flexibility, and the mobile robot executes a single-segment movement command according to the direction of the arrow mark, without cumulative error, and the moving position is accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the mobile robot navigation system.

[0020] Figure 2 It is a structural diagram of a pointing light.

[0021] Among them: mobile robot 1, cargo storage area 2, direction light 3, light-transmitting area 4, non-light-transmitting area 5, power supply 6, lamp holder 301, motor 302, lamp panel 303, driving gear 304, driven gear 305, shaft 306, lamp housing 3031, lamp tube 3032, cover 3033. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments. The specific components involved are prior art, and the connection and use methods between the specific components are conventional technologies.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this invention pertains; the terms used in this specification are for the purpose of describing specific embodiments only and are not intended to limit this invention; for example, the directions or positions indicated by terms such as "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", and "outside" are based on the directions or positions shown in the accompanying drawings and are for ease of description only and should not be construed as limiting this technical solution.

[0024] The inventiveness of this utility model lies in the design of a mobile robot image acquisition camera combined with a directional light. This structure enables accurate movement of the mobile robot, improving its operational reliability. The method for adjusting the orientation of the arrow mark on the directional light's translucent area and the method for the image acquisition camera to recognize the directional light and move based on the directional information are conventional techniques and do not affect the understanding of this utility model by those skilled in the art. Example 1

[0025] like Figures 1 to 2 As shown:

[0026] A mobile robot navigation system includes a mobile robot 1 and a cargo storage area 2; the mobile robot is provided with an image acquisition camera; a plurality of direction lights 3 are buried in the ground of the cargo storage area; the direction lights include a lamp holder 301 and a motor 302 and a lamp panel 303 located in the lamp holder; and the lamp panel is connected to the motor.

[0027] In this embodiment, the directional lights are arranged in an array. The spacing between adjacent directional lights in the same row is equal; the spacing between adjacent directional lights in the same column is equal; and the spacing between adjacent directional lights in the same row is equal to the spacing between adjacent directional lights in the same column.

[0028] In this embodiment, the lamp panel includes a lamp housing 3031, a lamp tube 3032, and a cover plate 3033. The lamp tube is located within the lamp housing. The cover plate covers the lamp housing and is provided with a light-transmitting area 4 and a non-light-transmitting area 5. A driving gear 304 is mounted on the output shaft of the motor; a driven gear 305 is mounted on the lamp housing. The driving gear meshes with the driven gear. The driven gear is provided with a shaft 306, one end of which is connected to the driven gear and the other end is rotatably connected to the lamp holder.

[0029] In this embodiment, the light-transmitting area is in the shape of an arrow.

[0030] In this embodiment, the mobile robot is a four-way shuttle.

[0031] In the present invention, a conventional power supply 6 is further provided in the directional lamp for supplying power to the motor and the lamp panel.

[0032] In the present invention, the mobile robot has the basic components and structure of a conventional mobile robot, such as a central processing module. The image acquisition camera is conventionally electrically connected to the central processing module. The image acquisition camera transmits the recognized information to the central processing module. The central processing module controls the mobile robot based on the received information. The specific control method is a conventional technology and does not affect the understanding of the present invention by those skilled in the art.

[0033] In the present invention, the method of adjusting the direction of the arrow mark on each directional light is a conventional technology, which can be controlled by the conventional SCADA (Supervisory Control And Data Acquisition) system of the warehouse system and does not affect the understanding of the present invention by those skilled in the art.

[0034] The specific method of using the mobile robot navigation system of the utility model is:

[0035] (1) The SCADA system controls the motor rotation and adjusts the direction of the arrows on each directional light;

[0036] (2) The image acquisition camera of the mobile robot identifies the direction of the arrow mark on each direction light, moves according to the direction of the arrow mark, and completes the material transfer. Example 2

[0037] Based on the first embodiment, the difference of this embodiment is that the driving gear, the driven gear and the shaft are omitted, and the lamp housing is directly mounted on the output shaft of the motor, and the rest are the same.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the principles of the present invention, and these should also be considered to fall within the scope of protection of the present invention.

Claims

1. A mobile robot navigation system, characterized in that: It includes a mobile robot and a cargo storage area; the mobile robot is provided with an image acquisition camera; a plurality of directional lights are buried in the ground of the cargo storage area; the directional lights include a lamp holder, a motor located in the lamp holder, and a lamp panel; the lamp panel is connected to the motor; and the lamp panel is provided with a light-transmitting area and a non-light-transmitting area.

2. The mobile robot navigation system according to claim 1, characterized in that: The directional lights are distributed in an array.

3. The mobile robot navigation system according to claim 2, characterized in that: The distance between each directional light is equal.

4. The mobile robot navigation system according to claim 1, characterized in that: A driving gear is provided on the output shaft of the motor; a driven gear is provided on the lamp panel; and the driving gear is meshed with the driven gear.

5. The mobile robot navigation system according to claim 4, characterized in that: The driven gear is provided with a shaft; the other end of the shaft is rotatably connected to the lamp holder.

6. The mobile robot navigation system according to claim 1, characterized in that: The lamp panel includes a lamp housing, a lamp tube, and a cover plate; the lamp housing is connected to a motor; the lamp tube is located in the lamp housing; and the cover plate covers the lamp housing.

7. The mobile robot navigation system according to claim 6, characterized in that: The cover plate is provided with a light-transmitting area and a light-impermeable area.

8. The mobile robot navigation system according to claim 1, characterized in that: The light-transmitting area is arrow-shaped.

9. The mobile robot navigation system according to claim 1, characterized in that: The mobile robot is an AGV or a four-way shuttle.

10. A directional light, characterized in that: The invention comprises a lamp holder, a motor and a lamp panel located in the lamp holder; the lamp panel is connected to the motor; and a light-transmitting area and a non-light-transmitting area are provided on the lamp panel.

Images