Self-Propelled Sample Cart with Capacitor Power and Optical Guidance
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Solution Overview
Problem
Existing transport systems in medical and chemical analytical laboratories are limited by low throughput rates due to slow transport speeds and are prone to mechanical failures, requiring complex maintenance and leading to operational inefficiencies.
Innovation Solution
A self-propelled transport system with electrically driven wheels, using capacitors for energy storage, and a control unit for speed regulation, allows for high-speed movement with minimal mechanical components, enabling efficient sample transport through a track with longitudinal grooves and guide projections, and incorporates optical communication and sensors for navigation and obstacle detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If traditional mechanical transport systems are used, then the system structure is simple, but the transport speed is slow and throughput rate is limited
Solution Approach 1:
The patent replaces traditional mechanical drive systems with an electrical drive system. Each transport cart is equipped with electrically driven wheels powered by capacitors, eliminating the need for complex mechanical transmission mechanisms. This substitution enables higher transport speeds while maintaining system simplicity through modular electrical components.
Solution Approach 2:
The transport system implements dynamic speed regulation through electronic control of the electric motors. The control unit adjusts the rotational speed of the electrically driven wheels based on operational requirements, enabling variable speed transport without mechanical gear changes. This dynamic control capability increases throughput rate while keeping the mechanical structure simple.
2Reliability
If mechanical switches and batteries are used, then the system is easier to manufacture, but the system is prone to mechanical failures and maintenance issues
Solution Approach 1:
The patent eliminates mechanical switches by implementing contactless optical communication between transport carts and the control system. Infrared or laser diodes transmit signals without mechanical contact, removing wear and failure points. This substitution significantly improves reliability while the modular optical components remain relatively simple to manufacture and integrate.
Solution Approach 2:
The system uses capacitors instead of traditional batteries, which can be quickly replaced or recharged. The capacitors serve as short-duration energy storage devices that are replaced rather than maintained, eliminating complex battery management systems. This approach improves reliability by removing degraded components rather than attempting to maintain them.
3Use of energy by moving object
If traditional batteries are used for energy storage, then the energy storage capacity is high, but the maintenance requirements increase and environmental impact worsens
Solution Approach 1:
The patent employs capacitors as replaceable energy storage devices instead of maintenance-intensive batteries. These capacitors are designed for short service lives and are quickly replaced when depleted or degraded, eliminating complex battery maintenance procedures. The modular capacitor design makes replacement simpler and faster than traditional battery systems.
Solution Approach 2:
The electrical capacitor-based energy storage system replaces chemical battery systems, eliminating concerns about chemical leakage, thermal runaway, and complex battery management. The electrical components are more environmentally friendly and require no special disposal procedures, reducing environmental impact while maintaining adequate energy storage for transport operations.
4Measurement precision
If optical communication interfaces are implemented, then the navigation precision is improved, but the device complexity increases
Solution Approach 1:
The patent implements optical communication using infrared or laser diodes for precise position detection and navigation. These optical interfaces provide high-precision measurement capabilities without mechanical moving parts, achieving superior navigation precision through photon-based detection rather than mechanical encoders or sensors.
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 system achieves high throughput and reduced maintenance needs by eliminating mechanical switches and batteries, ensuring continuous operation with capacitors and optical communication, thus enhancing operational reliability and efficiency.
Implementation Method 1
an electrical energy storage device for providing electrical energy for the electric drive of the wheels
Implementation Method 2
The transport cart has electrically driven wheels
Data Source
Figure 1~2
Figure 3~4
AI summary
A transport system for transporting samples in a medical and/or chemical analysis laboratory is disclosed, comprising a transport track defining the route and at least one self-propelled transport cart (2) equipped for movement along the route on the transport track and having a receptacle for a sample to be transported. The transport cart (2) has electrically driven wheels, an electrical energy storage device for providing electrical energy for the electric drive of the wheels, and a control unit for the electric drive. According to the invention, the transport cart (2) has a push-button switch (21) on a side facing forward in the direction of travel during operation. Actuation of this switch interrupts a main electrical supply line between the electrical energy storage device and electrical consumers arranged in the transport cart (2).