Storage conveyer car with automatic tracking and obstacle avoiding functions

A technology for automatic tracking and transport of trolleys, applied in two-dimensional position/channel control, etc., can solve the problems of high cost, large investment in human resources, and high requirements for drivers' driving skills, and achieve high automation level and high detection efficiency Effect

Inactive Publication Date: 2013-12-04
NANJING UNIV OF INFORMATION SCI & TECH
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AI Technical Summary

Problems solved by technology

[0002] There are two main types of traditional warehouse cargo transport trolleys: transport by manual driving and transport by intelligent trolleys on fixed tracks. Tracking function, but the track is fixed, the cost is high, and it cannot automatically avoid obstacles when encountering obstacles, which has great limitations

Method used

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  • Storage conveyer car with automatic tracking and obstacle avoiding functions
  • Storage conveyer car with automatic tracking and obstacle avoiding functions
  • Storage conveyer car with automatic tracking and obstacle avoiding functions

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0020] Such as figure 1 As shown, a 0.15-meter black line 2 is set on the warehouse floor, and the rest of the ground is painted white. The storage and transportation trolley 1 automatically tracks along the black line 2 to reach the destination and then turns 180 degrees on the spot, and encounters an obstacle 3 on the way. Automatically avoid obstacles.

[0021] Such as figure 2 As shown, this embodiment discloses a storage and transport trolley for automatic tracking and obstacle avoidance, which includes a trolley body on which a camera 101, a single-chip microcomputer, an ultrasonic sensor 102, a drive module, an on-board power supply and 12 pairs of infrared sensors A, B, C, D, E, F, G, H, I, J, K, L, wherein the camera 101 and the ultrasonic sensor 102 are installed on the front of the car, and the emission direction is directly in front ...

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Abstract

The invention discloses a storage conveyer car with automatic tracking and obstacle avoiding functions. A black line is set on the ground of a warehouse while the rest of the ground is brushed with white color. An infrared sensor below the head of a car emits light ray downwards and receives reflection ray, whether the storage good conveyer car deviates from the black line or not is judged according to the difference between the reflection rays from the back line and the white ground, so that the conveyer car is controlled to return to the back line as set and the tracking function is achieved. Locations and distances of the conveyer car from obstacles are measured by a camera and an ultrasonic sensor right above the head of the conveyer car, and then the optimum obstacle avoiding route is calculated; further, by the aid of infrared sensors and photoelectric encoders on the left side and the right side of the conveyer car, the conveyer car bypasses the obstacles to return to the back line, and accordingly, the obstacle avoiding function is achieved. The storage conveyor car is simple and convenient, has high reliability, low cost and high practicability, and can meet the requirement of automatically conveying storage goods.

Description

technical field [0001] The invention relates to the technical field of robot automatic guidance, in particular to a storage and transportation trolley for automatic tracking and obstacle avoidance. Background technique [0002] There are two main types of traditional warehouse cargo transport trolleys: transport by manual driving and transport by intelligent trolleys on fixed tracks. Tracking function, but the track is fixed, the cost is high, and it cannot automatically avoid obstacles when encountering obstacles, which has great limitations. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a storage and transportation trolley that automatically tracks and avoids obstacles in view of the defects of the background technology. [0004] The present invention adopts the following technical solutions for solving the problems of the technologies described above: [0005] A warehousing and transportation trolley for a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02
Inventor 孙伟朱建栋张小瑞张小娜杨松徐金花杨丽
Owner NANJING UNIV OF INFORMATION SCI & TECH
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