一种新型人体部位加热装置
By combining voltage, temperature, and drive modules, and using a microcontroller circuit to adjust the voltage duty cycle, the problem of uncontrolled current and power of the heating device under different voltages is solved, realizing controllable adjustment of heating power and optimized utilization of resources.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN DONGRONG ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-07-17
AI Technical Summary
Existing heating devices exhibit uncontrolled current and power variations when operating under different voltage ranges, leading to impacts on batteries and generators and posing safety hazards. Furthermore, the production and sales process requires manufacturing multiple voltage models, resulting in resource waste and inventory difficulties.
The system employs a combination of voltage, temperature, drive, and heating modules, and uses a microcontroller circuit to adjust the voltage duty cycle, forming a closed-loop regulation that ensures the heating power fluctuates within a small range. It also utilizes the vehicle's instrument display screen for bidirectional communication, reducing the need for screen installation.
It enables controllable adjustment of heating power over a wide voltage range, avoiding safety hazards, reducing resource waste in production and sales, and saving materials and space.
Smart Images
Figure CN224521185U_ABST
Abstract
Claims
1. A new body part heating device characterized in that, The device includes a voltage module, a temperature module, a drive module, and a heating module; wherein the voltage module and the temperature module are configured with corresponding functions by a microcontroller circuit. The microcontroller circuit is used to: when the voltage of the target customer is random and uncertain, call the voltage module detection device to input the voltage, and determine the voltage duty cycle signal based on the obtained input voltage signal; when the voltage of the target customer is not random but certain, the voltage duty cycle signal is a fixed value. The temperature module is used to: detect the device temperature signal, perform analog-to-digital conversion on the device temperature signal to obtain a digital temperature signal, and determine a temperature on / off signal by comparing the digital temperature signal with a preset temperature threshold. The microcontroller circuit is also used to: when the voltage duty cycle signal is set to all zeros and the voltage module is not present, directly transmit the temperature on / off signal to the drive module; when the voltage duty cycle signal is not set to all zeros and the voltage module is present, indirectly control the voltage duty cycle signal according to the temperature on / off signal to obtain an adjusted voltage duty cycle signal, and then transmit the adjusted voltage duty cycle signal to the drive module; The drive module is used to: amplify the received signal and then transmit it to the heating module to perform constant temperature and controllable power heating on the device; The microcontroller circuit can either drive the device's built-in display screen in one direction or drive the vehicle's instrument display screen in two directions for bidirectional communication. During bidirectional communication, the vehicle's instrument display screen can also communicate bidirectionally with a wireless device. During bidirectional communication, the vehicle's instrument display screen or the wireless device can display and operate various parameters of the device. The microcontroller circuit can simultaneously drive both the built-in display screen and the vehicle's instrument display screen.
2. The new human body part heating device according to claim 1, characterized in that, The device also includes a flame-retardant module; the flame-retardant module is disposed between the drive module and the heating module; the flame-retardant module is used to melt and cut off the power when the device temperature is higher than a preset temperature threshold to achieve a flame-retardant protection function; the flame-retardant module is made of alloy material.
3. The new human body part heating device according to claim 1, characterized in that, The device also includes an operation module; the operation module is connected to the microcontroller circuit, and the operation module is used to perform power on / off operations, temperature high / low settings, and over / under voltage settings.
4. The new human body part heating device according to claim 1, characterized in that, The microcontroller circuit includes at least one microcontroller chip; The voltage module includes a first resistor and a second resistor; one end of the first resistor is connected to the operating voltage, and the other end of the first resistor is connected to one end of the second resistor and the microcontroller chip; the other end of the second resistor is grounded.
5. The novel body part heating device according to claim 4, characterized in that, The temperature module includes a third resistor, a thermistor, and a first capacitor; one end of the third resistor is connected to +5V, and the other end of the third resistor is connected to one end of the thermistor, one end of the first capacitor, and the microcontroller chip; the other ends of the thermistor and the first capacitor are both grounded.
6. The new human body part heating device according to claim 2, characterized in that, The driving module includes a field-effect transistor, a fourth resistor, and a fifth resistor; the source of the field-effect transistor is grounded, the drain of the field-effect transistor is connected to the flame-retardant module, and the gate of the field-effect transistor is connected to one end of the fourth resistor and one end of the fifth resistor, respectively; the other end of the fourth resistor is connected to the microcontroller circuit, and the other end of the fifth resistor is grounded.
7. The new human body part heating device according to claim 3, characterized in that, The operation module includes a first button, a second button, a second capacitor, and a third capacitor; the first button and the second button are both connected to the microcontroller circuit; one end of the second capacitor is connected to the first button, and the other end of the second capacitor is grounded; one end of the third capacitor is connected to the second button, and the other end of the third capacitor is grounded.
8. The new human body part heating device according to claim 4, characterized in that, The device also includes a voltage regulator circuit; the voltage regulator circuit is used to regulate the operating voltage to 5V to power the microcontroller circuit.
9. The new body part heating device of claim 1, wherein, The heating module is made of resistive material.