Bubble Producing Device Recirculation and Motor Control

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Solution Overview

Problem

Existing bubble producing devices often leak excess solution, leading to waste, overheating, and reduced functionality due to lack of a fail-safe mechanism for motor speed and inadequate recirculation structures.

Innovation Solution

A bubble producing device with a housing, motor, pump, and air producing system, featuring a shaft, duct, nozzle with a wiper, and a recirculation channel that collects and reuses excess solution, reducing leakage and overheating by controlling motor speed and drip rate through a converter and tubular structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the motor speed is increased to improve bubble production efficiency, then productivity increases, but the device overheats and solution leaks worsen

Engineering Contradiction:
Improvebubble production efficiencyVSAvoiddevice temperature
Core Design Contradiction:
ProductivityVSTemperature

Solution Approach 1:

The patent implements a feedback mechanism where a sensor detects the temperature of the motor and pump assembly and sends signals to a control circuit. The control circuit adjusts the motor speed accordingly, reducing speed when temperature exceeds thresholds. This closed-loop feedback system allows the device to maintain high productivity when cool while preventing overheating, thus resolving the contradiction between bubble production efficiency and device temperature control.

Inventive Principle:
Principle #23Feedback

2Productivity

If the motor speed is increased to improve bubble production, then productivity increases, but solution leakage increases

Engineering Contradiction:
Improvebubble production efficiencyVSAvoidsolution leakage
Core Design Contradiction:
ProductivityVSLoss of substance

Solution Approach 1:

The control circuit receives temperature feedback from the sensor and adjusts motor speed to prevent overheating. Since excessive motor speed causes both overheating and solution leakage, the feedback-based speed control simultaneously reduces both problems while maintaining optimal bubble production efficiency, resolving the contradiction between productivity and solution leakage.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent incorporates a drip tray positioned beneath the nozzle that collects excess solution before it can leak onto electronic components. This preventive structure cushions against the harmful effects of solution leakage that occur at high motor speeds, allowing the device to maintain high productivity while preventing the worsening of solution loss.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Loss of substance

If a recirculation structure is added to reduce solution waste, then loss of substance decreases, but device complexity increases

Engineering Contradiction:
Improvesolution wasteVSAvoidstructure complexity
Core Design Contradiction:
Loss of substanceVSDevice complexity

Solution Approach 1:

The patent employs the pump (a hydraulic component) to circulate bubble solution from the collection reservoir back to the nozzle through a recirculation line. This hydraulic system efficiently recycles solution, reducing waste to minimal evaporation losses. The pump-driven recirculation uses well-understood hydraulic principles to achieve low solution loss while maintaining manageable device complexity through the use of standard hydraulic components.

Inventive Principle:
Principle #29Pneumatics and hydraulics

Solution Approach 2:

The patent implements a solution recovery system where excess solution that falls into the drip tray is collected and pumped back into the reservoir for reuse. This discarding and recovering process ensures that nearly all solution is循环利用, minimizing loss of substance. The system recovers solution that would otherwise be wasted, and the moderate complexity of the recovery mechanism is offset by the significant reduction in solution consumption.

Inventive Principle:
Principle #34Discarding and recovering

4Reliability

If a recirculation structure is added to protect electronic components, then reliability increases, but device complexity increases

Engineering Contradiction:
Improveprotection of electronic componentsVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent positions a drip tray beneath the nozzle to collect excess solution before it can reach and damage electronic components. This beforehand cushioning structure provides passive protection against solution leakage without requiring complex active control systems. The simple geometric design of the drip tray integrates into the existing device structure, minimizing the increase in device complexity while significantly improving reliability by preventing solution contact with electronics.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS12097447B2Bubble producing device
Publication Date: 2024.09.24 LIGHTUPTOYS COM LLC
  • US12097447B2 patent drawing
  • US12097447B2 patent drawing
  • US12097447B2 patent drawing

AI summary

A bubble producing device that includes a housing with a motor, a pump and an air producing device, all of which are electrically connected. A shaft with two ends, one end of which is connected to said housing and the second end is connectable to a bubble producing solution reservoir. A duct connected on one end to the air producing device and on the other end to a nozzle. The nozzle includes an open inner portion and an outer portion, wherein the outer portion includes a trough which surrounds an outer circumference of the nozzle and includes an outlet and an inlet. The inner portion includes a wiper secured therein. A solution channel pumps solution from the reservoir to the outlet to create bubbles and a recirculation channel pumps excess solution from the inlet back to the reservoir.