Rotary Barbeque Forward-Reverse Motor to Prevent Sensor Cable Damage
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Solution Overview
Problem
Existing barbeque stoves face challenges in temperature control, leading to uneven heating and potential chemical emissions, with charcoal stoves emitting harmful substances, gas stoves emitting chemicals, and electric stoves experiencing heat loss and radiation issues.
Innovation Solution
A rotary barbeque apparatus with a forward-reverse motor, featuring a temperature detection device with a probe that directly measures food temperature and a drive motor that rotates the barbeque rack, allowing for precise temperature control and prevention of chemical emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed temperature range is set without detecting the temperature inside the barbeque stove, then the device complexity is reduced, but the temperature control precision deteriorates leading to non-uniform heating and potential burning
Solution Approach 1:
The patent implements a temperature detection device with a temperature sensor that continuously monitors the temperature inside the barbeque stove and feeds this information back to the control system. This feedback mechanism enables the system to adjust heating parameters in real-time based on actual temperature conditions, ensuring uniform heating and preventing burning while maintaining reasonable device complexity.
2Productivity
If the barbeque rack rotates continuously in one direction, then the productivity is improved, but the temperature sensor cable may be damaged due to excessive rotation
Solution Approach 1:
The patent employs a forward-reverse motor that rotates the barbeque rack in alternating forward and reverse directions. This periodic bidirectional rotation achieves several purposes: it maintains cooking productivity by continuously moving food, prevents the temperature sensor cable from winding or damaging due to unidirectional rotation, and ensures uniform exposure of food to heat sources. The motor switches rotation direction at appropriate intervals, creating a reliable operating cycle.
3Ease of operation
If electric heating body is exposed from the bottom of the barbeque tray with certain distance, then the heat transmission is done by radiation or convection, but the heat loss increases and temperature uniformity deteriorates
Solution Approach 1:
The patent addresses heat loss and temperature uniformity by implementing multiple electric heating trays stacked in different layers and positions within the barbeque stove. This spatial arrangement in multiple dimensions ensures that heat is generated from various locations and directions, reducing heat loss through distributed heating and ensuring uniform temperature distribution across the barbeque tray surface. The heating elements are positioned at different heights and locations to cover the entire cooking area effectively.
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 rotary barbeque apparatus ensures uniform heating and prevents harmful chemical emissions by directly monitoring food temperature and using a forward-reverse motor to rotate the barbeque rack, ensuring effective cooking without damaging the temperature sensor.
Implementation Method 1
the temperature sensor sends a detected temperature to the temperature control device through a transmission cable
Implementation Method 2
the electric heating body is usually exposed from the bottom of the barbeque tray and keeps a certain distance from the barbeque tray, and thus the process of transmitting the heat from the electric heating body to the barbeque tray is mostly done by heat radiation or heat convection
Implementation Method 3
an end of the barbeque rack has a drive motor with an output end transmitted and coupled to the barbeque rack; the drive motor is a forward-reverse motor
Data Source
AI summary
A rotary barbeque apparatus with a forward-reverse motor includes a machine, a cover, a barbeque tray, an electric heating tray, a temperature detection device, and a barbeque rack. A drive motor is installed at an end of the barbeque rack. The temperature detection device includes a temperature sensor and a temperature control device. The temperature sensor transmits a detected temperature to the temperature control device through a transmission cable. The drive motor is a forward-reverse motor. The temperature sensor is a probe directly inserted into a barbeque food for detecting the temperature of the barbeque food, so that a user may determine whether or not the food is cooked to effectively prevent the barbeque food from producing harmful chemical substances by a too-high temperature. To prevent damaging the transmission cable of the temperature sensor in the rotation of the barbeque rack, a forward-reverse rotating drive motor is adopted.