Heating pipe temperature control system and method for respiratory support device and respiratory support device

A technology for heating tube temperature and supporting equipment, which is applied in the direction of respirators, medical devices, and other medical devices, which can solve problems such as temperature limitations, insufficient control of tube temperature, and failure to consider the impact of ambient temperature, etc., to improve user comfort performance, to avoid the effect of condensation

Active Publication Date: 2020-05-08
HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the influence of the ambient temperature on the gas temperature in the pipeline is not considered, and there are certain limitations in

Method used

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  • Heating pipe temperature control system and method for respiratory support device and respiratory support device
  • Heating pipe temperature control system and method for respiratory support device and respiratory support device
  • Heating pipe temperature control system and method for respiratory support device and respiratory support device

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] Example 1

[0037] The present invention provides a heating tube temperature control system for breathing support equipment, including: a controller 1, a turbine 2, an ambient temperature sensor 3, a pipeline temperature sensor 4, a heating tube 5, a heating driver 6 and a power source 7; the turbine 2, The ambient temperature sensor 3, the pipeline temperature sensor 4, and the heating driver 6 are respectively connected to the controller 1; the power source 7 is the controller 1, the turbine 2, and the heating driver respectively 6 power supply; the heating tube 5 has a heating wire connected to the heating driver 6; the pipeline temperature sensor 4 is installed at the end of the heating tube 5; the controller 1 includes a device The setting unit is used to set the snorting demand temperature value and the airflow velocity value of the turbine 2. Specifically, the controller 1 may be a commonly used processor (MCU (Microcontroller Unit, micro control unit) or CPU (cent...

Example Embodiment

[0058] Example 2

[0059] Set the snorting demand temperature value to be 33°C, the airflow velocity value to be 40L / Min, and the supplementary temperature table is the following table:

[0060]

[0061]

[0062] When the machine is turned on for treatment, the current ambient temperature value is first detected. The controller 1 obtains the temperature compensation value Z°C of the nasal oxygen tube part according to the above table, and the ambient temperature value is also collected and monitored in real time. After that, the temperature of the end of the pipeline is detected in real time, and the control accuracy k is set to 2, and the total number of data a of the pipeline temperature threshold group is set to 5, and the judgment is made: 1. When the When the end temperature of the pipeline temperature value is less than (33+Z-1)°C, the heating tube 5 uses the heating power value of 92% as the operating power for rapid heating; 2. When the pipeline temperature value is less th...

Example Embodiment

[0063] Example 3

[0064] A breathing support device includes the heating tube temperature control system of the breathing support device.

[0065] The breathing support equipment is mainly composed of the main body of the humidifying oxygen therapy instrument, the humidifying water box, the heating plate and the external pipeline. The water box and the heating plate constitute the main structure of the humidifying part, and the external pipeline is mainly the heating pipeline and the nasal oxygen tube composition.

[0066] After the air and oxygen are mixed, they enter the water box after passing through the turbine 2, and the heating plate is continuously heated to take away a part of the water vapor, and then it is supplied to the patient after being heated and kept warm through the heating pipe. The present invention mainly introduces the method of controlling the heating temperature of the heating pipe through empirical data and monitoring the temperature and ambient temperatur...

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Abstract

The present invention relates to a heating pipe temperature control system and method for a respiratory support device and a respiratory support device. The heating pipe temperature control system forthe respiratory support device comprises a controller, a turbine, an ambient temperature sensor, a pipeline temperature sensor, a heating pipe, a heating driver and a power supply; the turbine, the ambient temperature sensor, the pipeline temperature sensor and the heating driver are respectively connected with the controller; the power supply respectively supplies power to the controller, the turbine and the heating driver; the heating pipe is provided with a heating wire and the heating wire is connected with the heating driver; the pipeline temperature sensor is arranged at a tail end of the heating pipe; and the controller comprises a setting unit. Through real-time feedback of temperatures at the tail end of the heating pipeline and the ambient temperatures, temperature control powerof the whole heating pipeline is controlled and adjusted, and warmth and moistness of final airflow blown out from a tail end of a nasal oxygen cannula are ensured.

Description

technical field [0001] The invention relates to the field of respiratory support equipment control, in particular to a temperature control system and method for a heating tube of the respiratory support equipment and the respiratory support equipment. Background technique [0002] Respiratory support technology is an important means of treating respiratory failure. Nasal high-flow oxygen humidification therapy (referred to as high-flow oxygen therapy, High-Flow Nasal Cannula, HFNC) is a new type of respiratory support technology. The warmed and humidified gas, with a flow rate of 30-60L / Min or above, achieves the purpose of delivering a stable concentration of oxygen, flushing the dead space of the upper airway, and generating a certain positive end-expiratory airway pressure, and the patient's tolerance is good . [0003] The current high-flow oxygen therapy products are mainly medical products. For some patients with mild symptoms, hospitalization will generate high costs...

Claims

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Application Information

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IPC IPC(8): A61M16/16A61M16/10A61M16/00
CPCA61M16/16A61M16/162A61M16/1075A61M16/022A61M2205/3368A61M2205/33A61M2205/3653
Inventor 戴征李蒙
Owner HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD
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