Wireless Pressure Detection for Easy Cooker Assembly and Disassembly
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Solution Overview
Problem
Existing pressure sensors in pressure cookers have complex wire connections, making it difficult to detach the cooker lid and pot body, leading to assembly challenges and potential measurement errors due to indirect pressure detection methods.
Innovation Solution
A pressure detection device with a simple and compact structure using wireless power and data transmission, featuring a pressure sensing assembly with a movable part that changes displacement in response to pressure, allowing for accurate pressure measurement without wires between the lid and body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pressure sensors with wire connections are used, then pressure detection function is achieved, but wire connection complexity increases and assembly difficulty increases
Solution Approach 1:
The patent extracts the wire connection from the pressure detection system by using a wireless pressure sensor. The pressure sensor communicates pressure data to the control unit wirelessly, eliminating the need for physical wire connections between the pressure sensor, cooker lid, and pot body, thus reducing assembly complexity while maintaining pressure detection functionality
Solution Approach 2:
The patent replaces the mechanical wire connection system with a wireless communication system. The pressure sensor uses wireless transmission (such as radio frequency communication) to send pressure data to the control unit, substituting the mechanical connection with an electromagnetic field-based communication mechanism
2Reliability
If wire connections are used for pressure sensors, then pressure detection is enabled, but assembly and disassembly convenience deteriorates
Solution Approach 1:
The patent removes the wire connection requirement from the pressure detection system, allowing the cooker lid and pot body to be freely assembled and disassembled without worrying about wire management. The wireless pressure sensor maintains pressure detection capability while eliminating the mechanical constraint of wire connections
Solution Approach 2:
The patent enables dynamic assembly and disassembly of the cooker components by eliminating fixed wire connections. The wireless communication system allows the pressure sensor to maintain connectivity regardless of the physical position or assembly state of the cooker lid and pot body
3Reliability
If indirect pressure detection methods are used, then pressure measurement is achieved, but measurement precision deteriorates
Solution Approach 1:
The patent replaces indirect pressure detection methods with direct pressure sensing. The wireless pressure sensor directly measures the pressure inside the pressure cooker using a pressure-sensitive element, converting pressure changes into electrical signals for accurate measurement, eliminating the need for indirect inference methods
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
Enables easy assembly and disassembly of the cooker lid and body, provides direct and accurate pressure measurement, enhancing user experience and safety while reducing production complexity and costs.
Implementation Method 1
a pressure sensing assembly I and a detection unit II, wherein the pressure sensing assembly I includes a fixed part 14 and a movable part 13, the movable part 13 moves relative to the fixed part 14 when it is sensed that a pressure in the sealed cavity varies, so as to change a sensing parameter of the pressure sensing assembly I
Data Source
Figure 1~2
Figure 3~4
Figure 5a~5b
AI summary
Disclosed is a pressure detection device (10), wherein the pressure detection device (10) is configured to detect the pressure in a sealed cavity. The pressure detection device (10) further comprises: a pressure sensing assembly (I), wherein the pressure sensing assembly (I) comprises a fixed part (14) and a movable part (13), the movable part (13) moves relative to the fixed part (14) when a change of the pressure in the sealed cavity is sensed, so as to change a sensing parameter of the pressure sensing assembly (I); and a detection unit (II), wherein the detection unit (II) is connected to the pressure sensing assembly (I), and the detection unit (II) is used for obtaining the pressure in the sealed cavity according to a current sensing parameter of the pressure sensing assembly (I).