Motorized Measuring and Drawing Device with Sensor Feedback
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Solution Overview
Problem
Traditional stationery items for measuring and drawing, such as pens, rulers, and protractors, are cumbersome, time-consuming, and prone to errors due to the need for manual operation and coordination, leading to inefficiency and inaccuracies in measurement and drawing processes.
Innovation Solution
A measuring and drawing device comprising a supporting frame, rotation driving portion, reciprocation driving portion, drawing member, laser generators, distance measuring sensor, angle sensor, and a control module, which allows for automated movement and alignment, reducing manual operation and enhancing accuracy through motorized control and sensor feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional stationery items (pens, rulers, protractors) are used for measuring and drawing, then the device complexity is low, but the productivity is low and measurement precision is poor due to manual operation errors
Solution Approach 1:
The patent combines multiple traditional stationery items (ruler, protractor, compass, pen) into a single integrated measuring and drawing device. The device includes a rotating arm with a drawing member that can automatically draw lines and curves while measuring angles and distances, eliminating the need to coordinate multiple separate tools.
Solution Approach 2:
The device performs multiple functions simultaneously: it can measure angles using the angle sensor, measure distances using the distance measuring sensor, draw straight lines by moving the drawing member along the rotating arm, and draw curves by rotating the arm. This multi-functionality replaces several traditional stationery items with one universal device.
2Measurement precision
If traditional manual measuring and drawing methods are used, then the device complexity is low, but the measurement precision is poor due to human error
Solution Approach 1:
The device incorporates an angle sensor that detects the rotation angle of the rotating arm and a distance measuring sensor that measures the distance between the first laser generator and the drawing member. These sensors provide real-time feedback to the control module, which automatically adjusts the drawing member's position to ensure precise measurements and drawings, eliminating human error.
Solution Approach 2:
The patent replaces manual mechanical operations with automated systems. The first motor drives the rotating arm to rotate, the second motor controls the drawing member's reciprocation, and the control module coordinates these movements based on sensor data. This substitution of manual mechanics with motorized control and electronic sensing significantly improves measurement precision.
3Productivity
If traditional stationery items are used for drawing, then the device complexity is low, but the productivity is low due to time-consuming manual operation
Solution Approach 1:
The device is designed to perform measuring and drawing operations automatically without requiring manual coordination of multiple tools. The control module autonomously controls the motors to position the drawing member, the sensors automatically measure angles and distances, and the system self-adjusts to complete drawing tasks efficiently, reducing both time and operational complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device simplifies the measuring and drawing process, improves efficiency, and reduces errors by enabling precise control over the drawing member's movement, allowing for accurate straight lines and curves to be drawn without the need for multiple tools, while also being convenient to store and operate.
Implementation Method 1
the rotation driving portion comprises a first motor and a rotating arm, the first motor is disposed on the supporting frame, and the first motor is configured to drive the rotating arm to rotate relative to the supporting frame
Implementation Method 2
the reciprocation driving portion is disposed on the rotating arm and comprises a second motor and a belt gear pair, and the second motor is operatively coupled to a gear belt of the belt gear pair
Implementation Method 3
The control module is configured to control the drawing point of the drawing member to extend out of or retract back into the drawing member through an electromagnet
Implementation Method 4
The first laser generator is disposed at a center of an axis of an output shaft of the first motor, and the second laser generator is disposed on the drawing member. The control module is configured to control each of the first laser generator and the second laser generator to emit a light spot
Implementation Method 5
The distance measuring sensor is fixedly disposed relative to the output shaft of the first motor and is configured to measure a distance between the output shaft of the first motor and the drawing member
Implementation Method 6
The angle sensor comprises an emitter and a receiver, the emitter is disposed on the rotating arm, and the receiver is fixedly disposed relative to the output shaft of the first motor and is configured to sense a rotating angle of the rotating arm
Data Source
AI summary
The present disclosure discloses a measuring and drawing device. The measuring and drawing device comprises a supporting frame, a rotation driving portion, a reciprocation driving portion, a drawing member, a distance measuring sensor, an angle sensor, and a control module. A first motor is configured to drive the rotating arm to rotate relative to the supporting frame, and a second motor is configured to drive the drawing member to reciprocate along the rotating arm to enable the drawing member to move in two dimensions. The distance between the first motor and the drawing member is measured through the distance measuring sensor to achieve measuring of a length of a line segment, and the rotating angle of the rotating arm relative to the first motor is measured through the angle sensor to achieve measuring of the rotating angle.