Coil Antenna Irradiation with Integrated Cooling and Capacitance Feedback
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Solution Overview
Problem
Traditional electromagnetic wave irradiation devices generate heat during treatment, requiring separate cooling devices that can complicate the product structure and make it difficult to determine the extent of magnetic field and heat source exposure to the user.
Innovation Solution
An electromagnetic wave irradiation apparatus with a coil-type antenna and a cooling unit, including a Peltier element and heat dissipation unit, that prevents overheating and measures energy transfer using a capacitance variation measurement unit to ensure safe and efficient treatment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional electromagnetic wave irradiation devices generate heat during irradiation, then electromagnetic wave treatment function is achieved, but the device structure becomes complicated due to separate cooling devices and it becomes difficult to determine the extent of magnetic field and heat source exposure to the user
Solution Approach 1:
The patent combines the cooling function with the electromagnetic wave irradiation apparatus by integrating a cooling unit that includes a cooling plate positioned to contact the treatment area. This merging of cooling and irradiation functions into a single integrated device reduces structural complexity compared to separate cooling devices, while maintaining treatment safety through simultaneous heat management and electromagnetic wave delivery
Solution Approach 2:
The patent implements a control unit that receives temperature information from temperature sensors and adjusts the electromagnetic wave output accordingly. This feedback mechanism allows the device to automatically regulate heat generation based on real-time temperature monitoring, ensuring treatment safety without requiring complex external cooling systems or manual intervention
2Reliability
If electromagnetic waves are irradiated onto the user's body to generate heat for treatment, then therapeutic effect is achieved, but it becomes difficult to measure the amount of energy transfer and determine user exposure extent
Solution Approach 1:
The patent employs temperature sensors positioned at the treatment area that provide real-time temperature feedback to the control unit. This feedback enables the system to measure and monitor energy transfer to the user's body by detecting temperature changes, thereby determining the extent of exposure without requiring complex external measurement equipment
Solution Approach 2:
The patent replaces complex mechanical or external measurement systems for energy transfer detection with electronic temperature sensing and control. By using temperature sensors and electronic control circuits to monitor and measure energy transfer, the system achieves accurate measurement while simplifying the overall detection mechanism
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 apparatus effectively delivers electromagnetic waves to deep tissue, prevents overheating, and measures energy transfer to ensure safe treatment by estimating deep tissue temperature, thereby ensuring efficient and safe procedures.
Implementation Method 1
a coil-type antenna 20 with a spiral shape in the hollow portion and configured to emit electromagnetic waves
Implementation Method 2
Electromagnetic waves, which generate heat through the process of dielectric heating, cause the water molecules exposed to the electromagnetic waves to repeatedly undergo molecular rotation
Implementation Method 3
a Peltier element 61 with one side in contact with an upper side of the housing 10
Implementation Method 4
a heat exchange unit 65 in contact with the other side of the Peltier element 61; a pump 64 connected to the heat exchange unit 65 to control a coolant flowing through the heat exchange unit 65
Data Source
AI summary
An electromagnetic wave irradiation apparatus includes a housing having a hollow portion formed inside and an open lower side; a coil-type antenna with a spiral shape in the hollow portion and configured to emit electromagnetic waves; a window coupled to the open lower side of the housing; and a capacitance variation measurement unit configured to measure a capacitance variation of the coil-type antenna. The electromagnetic wave irradiation apparatus may further include a cooling unit configured to cool at least one of the window or the housing. The capacitance variation measurement unit includes a capacitance sensor with one side connected to the coil-type antenna and the other side connected to the ground.